From patchwork Mon Sep 28 07:17:38 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sedat Dilek X-Patchwork-Id: 7275711 X-Patchwork-Delegate: jikos@jikos.cz Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 268D0BEEA4 for ; Mon, 28 Sep 2015 07:17:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 501AA207AF for ; Mon, 28 Sep 2015 07:17:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3D0052078D for ; Mon, 28 Sep 2015 07:17:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756584AbbI1HRn (ORCPT ); Mon, 28 Sep 2015 03:17:43 -0400 Received: from mail-yk0-f173.google.com ([209.85.160.173]:32804 "EHLO mail-yk0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756573AbbI1HRk (ORCPT ); Mon, 28 Sep 2015 03:17:40 -0400 Received: by ykft14 with SMTP id t14so167049753ykf.0; Mon, 28 Sep 2015 00:17:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:cc:content-type; bh=jjXgPlpOEB/bvEskNKhrGRw3jeEp4HMVIzkUyYt4ZJM=; b=yqRj1bmHshfni6RaH2LDxDc7QfsTRKVkJSdkwm1y+4FHT+AmgvzeGKlmhYIR5MVyTA ui/2kN66qdFHNoJz9LhED0fjBhuYyf1DSDs8fjyVbpfhK279AtpYec64Zgj01gTaTGHm gc7LlrhzBAZmw0iv1txXYI6+YN3So+G2rJwBGTZYMec/62hmPdCheBOLNI9MSDo1yC21 s0PEASRa3OzdKNkD1DaSZYm+ebJy+trupO8TTpB09YYomFrK8rEixiu7C95eTXbOH3ws 0soqoJYj9Qc39XC5/bFWBjHGDIjeoRX6choYEezJ6BwH2B+4Tf0TYvfrxMUPTfkPxWmE 5v/A== MIME-Version: 1.0 X-Received: by 10.31.8.131 with SMTP id 125mr11600458vki.45.1443424659027; Mon, 28 Sep 2015 00:17:39 -0700 (PDT) Received: by 10.103.3.66 with HTTP; Mon, 28 Sep 2015 00:17:38 -0700 (PDT) Reply-To: sedat.dilek@gmail.com In-Reply-To: References: Date: Mon, 28 Sep 2015 09:17:38 +0200 Message-ID: Subject: Re: [Linux v4.2] workqueue: llvmlinux: acpid: BUG: sleeping function called from invalid context at kernel/workqueue.c:2680 From: Sedat Dilek To: Jiri Kosina Cc: Tejun Heo , Lai Jiangshan , LKML , linux-input@vger.kernel.org, Paul McKenney Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, T_DKIM_INVALID, T_RP_MATCHES_RCVD, T_TVD_MIME_EPI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP On Mon, Sep 28, 2015 at 8:50 AM, Sedat Dilek wrote: > [ CC only relevant people plus Paul as he took care in another thread ] > > First of all, sorry for flooding anybody or any mailing-list. > > Of course, using LLVM/Clang for the Linux-kernel is still WIP, but > this does not mean using a different compiler does not find any > bugs... > > Fascinated somehow of this problem I entered the "tracing" area. > I played a bit with tracing and irq-flags (hardirqs). > > This is what I discovered now. > > [ TEST-1 ] > > --- a/drivers/hid/usbhid/hid-core.c > +++ b/drivers/hid/usbhid/hid-core.c > @@ -731,6 +731,7 @@ void usbhid_close(struct hid_device *hid) > */ > spin_lock_irq(&usbhid->lock); > if (!--hid->open) { > + trace_hardirqs_off(); > spin_unlock_irq(&usbhid->lock); > hid_cancel_delayed_stuff(usbhid); > if (!(hid->quirks & HID_QUIRK_ALWAYS_POLL)) { > @@ -1392,6 +1393,8 @@ static void usbhid_disconnect(struct usb_interface *intf) > > static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid) > { > + might_sleep(); > + > del_timer_sync(&usbhid->io_retry); > cancel_work_sync(&usbhid->reset_work); > } > > This makes the BUG line go away - only changes in the HID area. > > [ TEST-2 ] > > --- a/drivers/hid/usbhid/hid-core.c > +++ b/drivers/hid/usbhid/hid-core.c > @@ -732,6 +732,7 @@ void usbhid_close(struct hid_device *hid) > spin_lock_irq(&usbhid->lock); > if (!--hid->open) { > spin_unlock_irq(&usbhid->lock); > + trace_hardirqs_off(); > hid_cancel_delayed_stuff(usbhid); > if (!(hid->quirks & HID_QUIRK_ALWAYS_POLL)) { > usb_kill_urb(usbhid->urbin); > @@ -1392,6 +1393,8 @@ static void usbhid_disconnect(struct usb_interface *intf) > > static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid) > { > + might_sleep(); > + > del_timer_sync(&usbhid->io_retry); > cancel_work_sync(&usbhid->reset_work); > } > > This results in... > > [ 23.236024] BUG: sleeping function called from invalid context at > drivers/hid/usbhid/hid-core.c:1396 > [ 23.236148] in_atomic(): 0, irqs_disabled(): 1, pid: 1419, name: acpid > [ 23.236233] 3 locks held by acpid/1419: > [ 23.236235] #0: (&evdev->mutex){+.+...}, at: [] > evdev_release+0xbc/0xf0 > [ 23.236250] #1: (&dev->mutex#2){+.+...}, at: [] > input_close_device+0x27/0x70 > [ 23.236264] #2: (hid_open_mut){+.+...}, at: [] > usbhid_close+0x28/0xd0 [usbhid] > [ 23.236277] irq event stamp: 3406 > [ 23.236280] hardirqs last enabled at (3405): [] > _raw_spin_unlock_irq+0x32/0x60 > [ 23.236286] hardirqs last disabled at (3406): [] > usbhid_close+0x5d/0xd0 [usbhid] > [ 23.236292] softirqs last enabled at (2806): [] > local_bh_enable+0x9/0x20 > [ 23.236298] softirqs last disabled at (2804): [] > local_bh_disable+0x9/0x20 > [ 23.236306] CPU: 3 PID: 1419 Comm: acpid Not tainted > 4.3.0-rc3-4-llvmlinux-amd64 #3 > [ 23.236309] Hardware name: SAMSUNG ELECTRONICS CO., LTD. > 530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013 > [ 23.236313] ffff8800c760b000 0000000000000096 0000000000000000 > ffff8800bce53c88 > [ 23.236320] ffffffff8149cabd ffff8800bce53cb8 ffffffff810cd5aa > ffffffffa009780c > [ 23.236328] ffff8800c5fd5740 0000000000000000 0000000000000574 > ffff8800bce53cf8 > [ 23.236334] Call Trace: > [ 23.236342] [] dump_stack+0x7d/0xa0 > [ 23.236347] [] ___might_sleep+0x28a/0x2a0 > [ 23.236351] [] __might_sleep+0x4f/0xc0 > [ 23.236357] [] usbhid_close+0x75/0xd0 [usbhid] > [ 23.236366] [] hidinput_close+0x31/0x40 [hid] > [ 23.236373] [] ? hidinput_open+0x40/0x40 [hid] > [ 23.236378] [] input_close_device+0x48/0x70 > [ 23.236382] [] evdev_release+0xd6/0xf0 > [ 23.236387] [] __fput+0x107/0x240 > [ 23.236392] [] ____fput+0x16/0x20 > [ 23.236397] [] task_work_run+0x6c/0xe0 > [ 23.236403] [] prepare_exit_to_usermode+0x13a/0x140 > [ 23.236408] [] syscall_return_slowpath+0x281/0x2f0 > [ 23.236414] [] ? filp_close+0x65/0x90 > [ 23.236420] [] ? trace_hardirqs_on_caller+0x19/0x290 > [ 23.236425] [] ? trace_hardirqs_on_thunk+0x17/0x19 > [ 23.236431] [] int_ret_from_sys_call+0x25/0x9f > > I will not do a statement :-). > > Looking at TEST-1, the spin_unlock_irq() within the if-statement seems > to do cause problems with tracing / irq-flags. > > I have added my kernel-config, llvmlinux patchset, diffs with > corresponding dmesg-logs (look into the attached tarball). > > Hope this really helps you. > I looked over some commits which had problems with tracing and irq-flags (hardirq)... [ TEST-3 ] I am not an locking expert, when I replace... spin_{un}lock_irq() with spin_{un}lock_bh() ...within usbhid_close() in drivers/hid/usbhid/hid-core.c... This makes the BUG line go away for me. Does this help? - Sedat - diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 36712e9f56c2..5531ef839a17 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -729,16 +729,16 @@ void usbhid_close(struct hid_device *hid) * data acquistion due to a resumption we no longer * care about */ - spin_lock_irq(&usbhid->lock); + spin_lock_bh(&usbhid->lock); if (!--hid->open) { - spin_unlock_irq(&usbhid->lock); + spin_unlock_bh(&usbhid->lock); hid_cancel_delayed_stuff(usbhid); if (!(hid->quirks & HID_QUIRK_ALWAYS_POLL)) { usb_kill_urb(usbhid->urbin); usbhid->intf->needs_remote_wakeup = 0; } } else { - spin_unlock_irq(&usbhid->lock); + spin_unlock_bh(&usbhid->lock); } mutex_unlock(&hid_open_mut); } @@ -1392,6 +1392,8 @@ static void usbhid_disconnect(struct usb_interface *intf) static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid) { + might_sleep(); + del_timer_sync(&usbhid->io_retry); cancel_work_sync(&usbhid->reset_work); } [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 4.3.0-rc3-4-llvmlinux-amd64 (sedat.dilek@gmail.com@fambox) (clang version 3.7.0 (tags/RELEASE_370/final)) #3 SMP Sun Sep 27 19:32:52 CEST 2015 [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.3.0-rc3-4-llvmlinux-amd64 root=UUID=001AADA61AAD9964 loop=/ubuntu/disks/root.disk ro [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Centaur CentaurHauls [ 0.000000] Disabled fast string operations [ 0.000000] x86/fpu: xstate_offset[2]: 0240, xstate_sizes[2]: 0100 [ 0.000000] x86/fpu: Supporting XSAVE feature 0x01: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x02: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x04: 'AVX registers' [ 0.000000] x86/fpu: Enabled xstate features 0x7, context size is 0x340 bytes, using 'standard' format. [ 0.000000] x86/fpu: Using 'eager' FPU context switches. [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009d7ff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009d800-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000001fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000020000000-0x00000000201fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000020200000-0x000000003fffffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000040000000-0x00000000401fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000040200000-0x00000000d9c9efff] usable [ 0.000000] BIOS-e820: [mem 0x00000000d9c9f000-0x00000000dae7efff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000dae7f000-0x00000000daf9efff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000daf9f000-0x00000000daffefff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000dafff000-0x00000000daffffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000db000000-0x00000000df9fffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000f8000000-0x00000000fbffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed08000-0x00000000fed08fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed10000-0x00000000fed19fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed1c000-0x00000000fed1ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000ffd80000-0x00000000ffffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000011fdfffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] SMBIOS 2.6 present. [ 0.000000] DMI: SAMSUNG ELECTRONICS CO., LTD. 530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013 [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000000] e820: last_pfn = 0x11fe00 max_arch_pfn = 0x400000000 [ 0.000000] MTRR default type: uncachable [ 0.000000] MTRR fixed ranges enabled: [ 0.000000] 00000-9FFFF write-back [ 0.000000] A0000-BFFFF uncachable [ 0.000000] C0000-FFFFF write-protect [ 0.000000] MTRR variable ranges enabled: [ 0.000000] 0 base 000000000 mask F80000000 write-back [ 0.000000] 1 base 080000000 mask FC0000000 write-back [ 0.000000] 2 base 0C0000000 mask FE0000000 write-back [ 0.000000] 3 base 0DC000000 mask FFC000000 uncachable [ 0.000000] 4 base 0DB000000 mask FFF000000 uncachable [ 0.000000] 5 base 100000000 mask FE0000000 write-back [ 0.000000] 6 base 11FE00000 mask FFFE00000 uncachable [ 0.000000] 7 base 0FFC00000 mask FFFC00000 write-protect [ 0.000000] 8 disabled [ 0.000000] 9 disabled [ 0.000000] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WC UC- WT [ 0.000000] e820: last_pfn = 0xdb000 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [mem 0x000f00e0-0x000f00ef] mapped at [ffff8800000f00e0] [ 0.000000] Scanning 1 areas for low memory corruption [ 0.000000] Base memory trampoline at [ffff880000096000] 96000 size 28672 [ 0.000000] reserving inaccessible SNB gfx pages [ 0.000000] init_memory_mapping: [mem 0x00000000-0x000fffff] [ 0.000000] [mem 0x00000000-0x000fffff] page 4k [ 0.000000] BRK [0x03020000, 0x03020fff] PGTABLE [ 0.000000] BRK [0x03021000, 0x03021fff] PGTABLE [ 0.000000] BRK [0x03022000, 0x03022fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x11fc00000-0x11fdfffff] [ 0.000000] [mem 0x11fc00000-0x11fdfffff] page 2M [ 0.000000] BRK [0x03023000, 0x03023fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0x100000000-0x11fbfffff] [ 0.000000] [mem 0x100000000-0x11fbfffff] page 2M [ 0.000000] init_memory_mapping: [mem 0xc0000000-0xd9c9efff] [ 0.000000] [mem 0xc0000000-0xd9bfffff] page 2M [ 0.000000] [mem 0xd9c00000-0xd9c9efff] page 4k [ 0.000000] BRK [0x03024000, 0x03024fff] PGTABLE [ 0.000000] BRK [0x03025000, 0x03025fff] PGTABLE [ 0.000000] init_memory_mapping: [mem 0xdafff000-0xdaffffff] [ 0.000000] [mem 0xdafff000-0xdaffffff] page 4k [ 0.000000] init_memory_mapping: [mem 0x00100000-0x1fffffff] [ 0.000000] [mem 0x00100000-0x001fffff] page 4k [ 0.000000] [mem 0x00200000-0x1fffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x20200000-0x3fffffff] [ 0.000000] [mem 0x20200000-0x3fffffff] page 2M [ 0.000000] init_memory_mapping: [mem 0x40200000-0xbfffffff] [ 0.000000] [mem 0x40200000-0xbfffffff] page 2M [ 0.000000] RAMDISK: [mem 0x37888000-0x37c3bfff] [ 0.000000] ACPI: Early table checksum verification disabled [ 0.000000] ACPI: RSDP 0x00000000000F0100 000024 (v02 SECCSD) [ 0.000000] ACPI: XSDT 0x00000000DAFFE170 00008C (v01 SECCSD LH43STAR 00000002 PTEC 00000002) [ 0.000000] ACPI: FACP 0x00000000DAFEF000 00010C (v05 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: DSDT 0x00000000DAFF2000 0083AC (v02 SECCSD SNB-CPT 00000000 INTL 20061109) [ 0.000000] ACPI: FACS 0x00000000DAF47000 000040 [ 0.000000] ACPI: SLIC 0x00000000DAFFD000 000176 (v01 SECCSD LH43STAR 00000002 PTEC 00000001) [ 0.000000] ACPI: SSDT 0x00000000DAFFB000 001068 (v01 SECCSD PtidDevc 00001000 INTL 20061109) [ 0.000000] ACPI: ASF! 0x00000000DAFF1000 0000A5 (v32 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: HPET 0x00000000DAFEE000 000038 (v01 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: APIC 0x00000000DAFED000 000098 (v03 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: MCFG 0x00000000DAFEC000 00003C (v01 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: SSDT 0x00000000DAFEB000 000804 (v01 PmRef Cpu0Ist 00003000 INTL 20061109) [ 0.000000] ACPI: SSDT 0x00000000DAFEA000 000996 (v01 PmRef CpuPm 00003000 INTL 20061109) [ 0.000000] ACPI: UEFI 0x00000000DAFE9000 00003E (v01 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: UEFI 0x00000000DAFE8000 000042 (v01 PTL COMBUF 00000001 PTL 00000001) [ 0.000000] ACPI: UEFI 0x00000000DAFE7000 00026A (v01 SECCSD LH43STAR 00000002 PTL 00000002) [ 0.000000] ACPI: SSDT 0x00000000DAFE6000 0000D0 (v01 Iffs IffsAsl 00003000 INTL 20061109) [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] No NUMA configuration found [ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000011fdfffff] [ 0.000000] NODE_DATA(0) allocated [mem 0x11fdf8000-0x11fdfcfff] [ 0.000000] [ffffea0000000000-ffffea00047fffff] PMD -> [ffff88011b400000-ffff88011f3fffff] on node 0 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x000000011fdfffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009cfff] [ 0.000000] node 0: [mem 0x0000000000100000-0x000000001fffffff] [ 0.000000] node 0: [mem 0x0000000020200000-0x000000003fffffff] [ 0.000000] node 0: [mem 0x0000000040200000-0x00000000d9c9efff] [ 0.000000] node 0: [mem 0x00000000dafff000-0x00000000daffffff] [ 0.000000] node 0: [mem 0x0000000100000000-0x000000011fdfffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000011fdfffff] [ 0.000000] On node 0 totalpages: 1021500 [ 0.000000] DMA zone: 64 pages used for memmap [ 0.000000] DMA zone: 156 pages reserved [ 0.000000] DMA zone: 3996 pages, LIFO batch:0 [ 0.000000] DMA32 zone: 13859 pages used for memmap [ 0.000000] DMA32 zone: 886944 pages, LIFO batch:31 [ 0.000000] Normal zone: 2040 pages used for memmap [ 0.000000] Normal zone: 130560 pages, LIFO batch:31 [ 0.000000] Reserving Intel graphics stolen memory at 0xdba00000-0xdf9fffff [ 0.000000] ACPI: PM-Timer IO Port: 0x408 [ 0.000000] ACPI: Local APIC address 0xfee00000 [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) [ 0.000000] IOAPIC[0]: apic_id 14, version 32, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] ACPI: IRQ0 used by override. [ 0.000000] ACPI: IRQ9 used by override. [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a301 base: 0xfed00000 [ 0.000000] smpboot: Allowing 8 CPUs, 4 hotplug CPUs [ 0.000000] PM: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009d000-0x0009dfff] [ 0.000000] PM: Registered nosave memory: [mem 0x0009e000-0x0009ffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000a0000-0x000dffff] [ 0.000000] PM: Registered nosave memory: [mem 0x000e0000-0x000fffff] [ 0.000000] PM: Registered nosave memory: [mem 0x20000000-0x201fffff] [ 0.000000] PM: Registered nosave memory: [mem 0x40000000-0x401fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xd9c9f000-0xdae7efff] [ 0.000000] PM: Registered nosave memory: [mem 0xdae7f000-0xdaf9efff] [ 0.000000] PM: Registered nosave memory: [mem 0xdaf9f000-0xdaffefff] [ 0.000000] PM: Registered nosave memory: [mem 0xdb000000-0xdf9fffff] [ 0.000000] PM: Registered nosave memory: [mem 0xdfa00000-0xf7ffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xf8000000-0xfbffffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfc000000-0xfebfffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec00000-0xfec00fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfec01000-0xfed07fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed08000-0xfed08fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed09000-0xfed0ffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed10000-0xfed19fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed1a000-0xfed1bfff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed1c000-0xfed1ffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfed20000-0xfedfffff] [ 0.000000] PM: Registered nosave memory: [mem 0xfee00000-0xfee00fff] [ 0.000000] PM: Registered nosave memory: [mem 0xfee01000-0xffd7ffff] [ 0.000000] PM: Registered nosave memory: [mem 0xffd80000-0xffffffff] [ 0.000000] e820: [mem 0xdfa00000-0xf7ffffff] available for PCI devices [ 0.000000] Booting paravirtualized kernel on bare hardware [ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns [ 0.000000] setup_percpu: NR_CPUS:256 nr_cpumask_bits:256 nr_cpu_ids:8 nr_node_ids:1 [ 0.000000] PERCPU: Embedded 34 pages/cpu @ffff88011fa00000 s99272 r8192 d31800 u262144 [ 0.000000] pcpu-alloc: s99272 r8192 d31800 u262144 alloc=1*2097152 [ 0.000000] pcpu-alloc: [0] 0 1 2 3 4 5 6 7 [ 0.000000] Built 1 zonelists in Node order, mobility grouping on. Total pages: 1005381 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.3.0-rc3-4-llvmlinux-amd64 root=UUID=001AADA61AAD9964 loop=/ubuntu/disks/root.disk ro [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] Calgary: detecting Calgary via BIOS EBDA area [ 0.000000] Calgary: Unable to locate Rio Grande table in EBDA - bailing! [ 0.000000] Memory: 3915128K/4086000K available (9419K kernel code, 1182K rwdata, 3400K rodata, 2972K init, 14364K bss, 170872K reserved, 0K cma-reserved) [ 0.000000] Running RCU self tests [ 0.000000] Hierarchical RCU implementation. [ 0.000000] RCU lockdep checking is enabled. [ 0.000000] Build-time adjustment of leaf fanout to 64. [ 0.000000] RCU restricting CPUs from NR_CPUS=256 to nr_cpu_ids=8. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=8 [ 0.000000] NR_IRQS:16640 nr_irqs:488 16 [ 0.000000] Console: colour dummy device 80x25 [ 0.000000] console [tty0] enabled [ 0.000000] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.000000] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.000000] ... MAX_LOCK_DEPTH: 48 [ 0.000000] ... MAX_LOCKDEP_KEYS: 8191 [ 0.000000] ... CLASSHASH_SIZE: 4096 [ 0.000000] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.000000] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.000000] ... CHAINHASH_SIZE: 32768 [ 0.000000] memory used by lock dependency info: 8159 kB [ 0.000000] per task-struct memory footprint: 1920 bytes [ 0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 133484882848 ns [ 0.000000] hpet clockevent registered [ 0.000000] tsc: Fast TSC calibration using PIT [ 0.000000] tsc: Detected 1596.403 MHz processor [ 0.000004] Calibrating delay loop (skipped), value calculated using timer frequency.. 3192.80 BogoMIPS (lpj=6385612) [ 0.000020] pid_max: default: 32768 minimum: 301 [ 0.000053] ACPI: Core revision 20150818 [ 0.027253] ACPI: 5 ACPI AML tables successfully acquired and loaded [ 0.027421] Security Framework initialized [ 0.027430] Yama: becoming mindful. [ 0.027478] AppArmor: AppArmor initialized [ 0.028797] Dentry cache hash table entries: 524288 (order: 10, 4194304 bytes) [ 0.030333] Inode-cache hash table entries: 262144 (order: 9, 2097152 bytes) [ 0.030822] Mount-cache hash table entries: 8192 (order: 4, 65536 bytes) [ 0.030856] Mountpoint-cache hash table entries: 8192 (order: 4, 65536 bytes) [ 0.032434] Initializing cgroup subsys io [ 0.032493] Initializing cgroup subsys memory [ 0.032525] Initializing cgroup subsys devices [ 0.032571] Initializing cgroup subsys freezer [ 0.032617] Initializing cgroup subsys perf_event [ 0.032633] Initializing cgroup subsys hugetlb [ 0.032730] Disabled fast string operations [ 0.032738] CPU: Physical Processor ID: 0 [ 0.032745] CPU: Processor Core ID: 0 [ 0.032756] ENERGY_PERF_BIAS: Set to 'normal', was 'performance' [ 0.032764] ENERGY_PERF_BIAS: View and update with x86_energy_perf_policy(8) [ 0.032774] mce: CPU supports 7 MCE banks [ 0.032822] CPU0: Thermal monitoring enabled (TM1) [ 0.032846] process: using mwait in idle threads [ 0.032856] Last level iTLB entries: 4KB 512, 2MB 8, 4MB 8 [ 0.032864] Last level dTLB entries: 4KB 512, 2MB 32, 4MB 32, 1GB 0 [ 0.033552] Freeing SMP alternatives memory: 28K (ffffffff82210000 - ffffffff82217000) [ 0.036397] ftrace: allocating 208498 entries in 815 pages [ 0.143949] x2apic: IRQ remapping doesn't support X2APIC mode [ 0.144644] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.184315] TSC deadline timer enabled [ 0.184321] smpboot: CPU0: Intel(R) Core(TM) i5-2467M CPU @ 1.60GHz (family: 0x6, model: 0x2a, stepping: 0x7) [ 0.184379] Performance Events: PEBS fmt1+, 16-deep LBR, SandyBridge events, full-width counters, Intel PMU driver. [ 0.184426] ... version: 3 [ 0.184431] ... bit width: 48 [ 0.184436] ... generic registers: 4 [ 0.184441] ... value mask: 0000ffffffffffff [ 0.184447] ... max period: 0000ffffffffffff [ 0.184452] ... fixed-purpose events: 3 [ 0.184457] ... event mask: 000000070000000f [ 0.186539] x86: Booting SMP configuration: [ 0.186547] .... node #0, CPUs: #1 [ 0.186886] Disabled fast string operations [ 0.189468] NMI watchdog: enabled on all CPUs, permanently consumes one hw-PMU counter. [ 0.190027] #2 [ 0.190338] Disabled fast string operations [ 0.192943] #3<6>[ 0.193278] Disabled fast string operations [ 0.195423] x86: Booted up 1 node, 4 CPUs [ 0.195437] smpboot: Total of 4 processors activated (12771.22 BogoMIPS) [ 0.200723] devtmpfs: initialized [ 0.207293] evm: security.selinux [ 0.207300] evm: security.SMACK64 [ 0.207304] evm: security.capability [ 0.207538] PM: Registering ACPI NVS region [mem 0xdae7f000-0xdaf9efff] (1179648 bytes) [ 0.207927] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.209580] NET: Registered protocol family 16 [ 0.219623] cpuidle: using governor ladder [ 0.235580] cpuidle: using governor menu [ 0.235793] ACPI: bus type PCI registered [ 0.236124] PCI: MMCONFIG for domain 0000 [bus 00-3f] at [mem 0xf8000000-0xfbffffff] (base 0xf8000000) [ 0.236136] PCI: MMCONFIG at [mem 0xf8000000-0xfbffffff] reserved in E820 [ 0.236152] PCI: Using configuration type 1 for base access [ 0.236875] perf_event_intel: PMU erratum BJ122, BV98, HSD29 worked around, HT is on [ 0.257271] ACPI: Added _OSI(Module Device) [ 0.257280] ACPI: Added _OSI(Processor Device) [ 0.257286] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.257292] ACPI: Added _OSI(Processor Aggregator Device) [ 0.271066] ACPI: Executed 1 blocks of module-level executable AML code [ 0.280721] [Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored [ 0.282729] ACPI: Dynamic OEM Table Load: [ 0.282759] ACPI: SSDT 0xFFFF88011B0A3800 000688 (v01 PmRef Cpu0Cst 00003001 INTL 20061109) [ 0.285222] ACPI: Dynamic OEM Table Load: [ 0.285250] ACPI: SSDT 0xFFFF88011A2D9800 000303 (v01 PmRef ApIst 00003000 INTL 20061109) [ 0.287499] ACPI: Dynamic OEM Table Load: [ 0.287526] ACPI: SSDT 0xFFFF88011A220200 000119 (v01 PmRef ApCst 00003000 INTL 20061109) [ 0.291301] ACPI : EC: EC started [ 0.292733] ACPI: Interpreter enabled [ 0.292757] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S2_] (20150818/hwxface-578) [ 0.292821] ACPI: (supports S0 S1 S3 S4 S5) [ 0.292827] ACPI: Using IOAPIC for interrupt routing [ 0.292915] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.316795] ACPI: Power Resource [FN00] (off) [ 0.317292] ACPI: Power Resource [FN01] (off) [ 0.317669] ACPI: Power Resource [FN02] (off) [ 0.318047] ACPI: Power Resource [FN03] (off) [ 0.318428] ACPI: Power Resource [FN04] (off) [ 0.321079] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-3e]) [ 0.321094] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI] [ 0.321792] \_SB_.PCI0:_OSC invalid UUID [ 0.321794] _OSC request data:1 1f 0 [ 0.321800] acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM [ 0.322790] PCI host bridge to bus 0000:00 [ 0.322800] pci_bus 0000:00: root bus resource [bus 00-3e] [ 0.322808] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.322816] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.322824] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.322833] pci_bus 0000:00: root bus resource [mem 0xdfa00000-0xfeafffff window] [ 0.322842] pci_bus 0000:00: root bus resource [mem 0xfed40000-0xfed44fff window] [ 0.322942] pci 0000:00:00.0: [8086:0104] type 00 class 0x060000 [ 0.323364] pci 0000:00:02.0: [8086:0116] type 00 class 0x030000 [ 0.323394] pci 0000:00:02.0: reg 0x10: [mem 0xf0000000-0xf03fffff 64bit] [ 0.323406] pci 0000:00:02.0: reg 0x18: [mem 0xe0000000-0xefffffff 64bit pref] [ 0.323415] pci 0000:00:02.0: reg 0x20: [io 0x3000-0x303f] [ 0.323910] pci 0000:00:16.0: [8086:1c3a] type 00 class 0x078000 [ 0.323973] pci 0000:00:16.0: reg 0x10: [mem 0xf0705000-0xf070500f 64bit] [ 0.324094] pci 0000:00:16.0: PME# supported from D0 D3hot D3cold [ 0.324474] pci 0000:00:1a.0: [8086:1c2d] type 00 class 0x0c0320 [ 0.324530] pci 0000:00:1a.0: reg 0x10: [mem 0xf070a000-0xf070a3ff] [ 0.324668] pci 0000:00:1a.0: PME# supported from D0 D3hot D3cold [ 0.325022] pci 0000:00:1b.0: [8086:1c20] type 00 class 0x040300 [ 0.325084] pci 0000:00:1b.0: reg 0x10: [mem 0xf0700000-0xf0703fff 64bit] [ 0.325225] pci 0000:00:1b.0: PME# supported from D0 D3hot D3cold [ 0.325433] pci 0000:00:1b.0: System wakeup disabled by ACPI [ 0.325614] pci 0000:00:1c.0: [8086:1c10] type 01 class 0x060400 [ 0.325769] pci 0000:00:1c.0: PME# supported from D0 D3hot D3cold [ 0.325948] pci 0000:00:1c.0: System wakeup disabled by ACPI [ 0.326134] pci 0000:00:1c.3: [8086:1c16] type 01 class 0x060400 [ 0.326288] pci 0000:00:1c.3: PME# supported from D0 D3hot D3cold [ 0.326466] pci 0000:00:1c.3: System wakeup disabled by ACPI [ 0.326645] pci 0000:00:1c.4: [8086:1c18] type 01 class 0x060400 [ 0.326805] pci 0000:00:1c.4: PME# supported from D0 D3hot D3cold [ 0.327159] pci 0000:00:1d.0: [8086:1c26] type 00 class 0x0c0320 [ 0.327215] pci 0000:00:1d.0: reg 0x10: [mem 0xf0709000-0xf07093ff] [ 0.327354] pci 0000:00:1d.0: PME# supported from D0 D3hot D3cold [ 0.327701] pci 0000:00:1f.0: [8086:1c49] type 00 class 0x060100 [ 0.328183] pci 0000:00:1f.2: [8086:1c03] type 00 class 0x010601 [ 0.328243] pci 0000:00:1f.2: reg 0x10: [io 0x3088-0x308f] [ 0.328260] pci 0000:00:1f.2: reg 0x14: [io 0x3094-0x3097] [ 0.328278] pci 0000:00:1f.2: reg 0x18: [io 0x3080-0x3087] [ 0.328295] pci 0000:00:1f.2: reg 0x1c: [io 0x3090-0x3093] [ 0.328312] pci 0000:00:1f.2: reg 0x20: [io 0x3060-0x307f] [ 0.328330] pci 0000:00:1f.2: reg 0x24: [mem 0xf0708000-0xf07087ff] [ 0.328399] pci 0000:00:1f.2: PME# supported from D3hot [ 0.328731] pci 0000:00:1f.3: [8086:1c22] type 00 class 0x0c0500 [ 0.328769] pci 0000:00:1f.3: reg 0x10: [mem 0xf0704000-0xf07040ff 64bit] [ 0.328816] pci 0000:00:1f.3: reg 0x20: [io 0xefa0-0xefbf] [ 0.329535] pci 0000:01:00.0: [8086:0091] type 00 class 0x028000 [ 0.330159] pci 0000:01:00.0: reg 0x10: [mem 0xf0600000-0xf0601fff 64bit] [ 0.331568] pci 0000:01:00.0: PME# supported from D0 D3hot D3cold [ 0.331877] pci 0000:01:00.0: System wakeup disabled by ACPI [ 0.339938] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.339956] pci 0000:00:1c.0: bridge window [mem 0xf0600000-0xf06fffff] [ 0.340173] pci 0000:02:00.0: [10ec:8168] type 00 class 0x020000 [ 0.340373] pci 0000:02:00.0: reg 0x10: [io 0x2000-0x20ff] [ 0.340512] pci 0000:02:00.0: reg 0x18: [mem 0xf0404000-0xf0404fff 64bit pref] [ 0.340598] pci 0000:02:00.0: reg 0x20: [mem 0xf0400000-0xf0403fff 64bit pref] [ 0.340905] pci 0000:02:00.0: supports D1 D2 [ 0.340907] pci 0000:02:00.0: PME# supported from D0 D1 D2 D3hot D3cold [ 0.341073] pci 0000:02:00.0: System wakeup disabled by ACPI [ 0.347859] pci 0000:00:1c.3: PCI bridge to [bus 02] [ 0.347870] pci 0000:00:1c.3: bridge window [io 0x2000-0x2fff] [ 0.347886] pci 0000:00:1c.3: bridge window [mem 0xf0400000-0xf04fffff 64bit pref] [ 0.348082] pci 0000:03:00.0: [1b21:1042] type 00 class 0x0c0330 [ 0.348165] pci 0000:03:00.0: reg 0x10: [mem 0xf0500000-0xf0507fff 64bit] [ 0.348392] pci 0000:03:00.0: PME# supported from D3hot D3cold [ 0.348695] pci 0000:00:1c.4: PCI bridge to [bus 03] [ 0.348711] pci 0000:00:1c.4: bridge window [mem 0xf0500000-0xf05fffff] [ 0.350876] ACPI: PCI Interrupt Link [LNKA] (IRQs 1 3 4 5 6 10 *11 12 14 15) [ 0.351082] ACPI: PCI Interrupt Link [LNKB] (IRQs 1 3 4 5 6 10 11 12 14 15) *0, disabled. [ 0.351288] ACPI: PCI Interrupt Link [LNKC] (IRQs 1 3 4 5 6 *10 11 12 14 15) [ 0.351490] ACPI: PCI Interrupt Link [LNKD] (IRQs 1 3 4 5 6 *10 11 12 14 15) [ 0.351689] ACPI: PCI Interrupt Link [LNKE] (IRQs 1 3 4 5 6 10 11 12 14 15) *9 [ 0.351911] ACPI: PCI Interrupt Link [LNKF] (IRQs 1 3 4 5 6 10 11 12 14 15) *0, disabled. [ 0.352115] ACPI: PCI Interrupt Link [LNKG] (IRQs 1 3 4 5 6 10 *11 12 14 15) [ 0.352314] ACPI: PCI Interrupt Link [LNKH] (IRQs 1 3 4 5 6 10 11 12 14 15) *9 [ 0.353768] ACPI: Enabled 4 GPEs in block 00 to 3F [ 0.353930] ACPI : EC: GPE = 0x17, I/O: command/status = 0x66, data = 0x62 [ 0.354263] ACPI : EC: 0 stale EC events cleared [ 0.355107] vgaarb: setting as boot device: PCI:0000:00:02.0 [ 0.355115] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none [ 0.355132] vgaarb: loaded [ 0.355137] vgaarb: bridge control possible 0000:00:02.0 [ 0.355960] SCSI subsystem initialized [ 0.356150] libata version 3.00 loaded. [ 0.356251] ACPI: bus type USB registered [ 0.356333] usbcore: registered new interface driver usbfs [ 0.356376] usbcore: registered new interface driver hub [ 0.356465] usbcore: registered new device driver usb [ 0.356962] PCI: Using ACPI for IRQ routing [ 0.360597] PCI: pci_cache_line_size set to 64 bytes [ 0.360732] e820: reserve RAM buffer [mem 0x0009d800-0x0009ffff] [ 0.360742] e820: reserve RAM buffer [mem 0xd9c9f000-0xdbffffff] [ 0.360745] e820: reserve RAM buffer [mem 0xdb000000-0xdbffffff] [ 0.360748] e820: reserve RAM buffer [mem 0x11fe00000-0x11fffffff] [ 0.361590] NetLabel: Initializing [ 0.361596] NetLabel: domain hash size = 128 [ 0.361601] NetLabel: protocols = UNLABELED CIPSOv4 [ 0.361665] NetLabel: unlabeled traffic allowed by default [ 0.361915] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0, 0, 0, 0, 0, 0 [ 0.361931] hpet0: 8 comparators, 64-bit 14.318180 MHz counter [ 0.364036] clocksource: Switched to clocksource hpet [ 0.412332] AppArmor: AppArmor Filesystem Enabled [ 0.412622] pnp: PnP ACPI init [ 0.413351] system 00:00: [io 0x0680-0x069f] has been reserved [ 0.413362] system 00:00: [io 0x1000-0x100f] has been reserved [ 0.413370] system 00:00: [io 0x5000-0x5003] has been reserved [ 0.413379] system 00:00: [io 0xffff] has been reserved [ 0.413392] system 00:00: [io 0x0400-0x0453] could not be reserved [ 0.413400] system 00:00: [io 0x0458-0x047f] has been reserved [ 0.413408] system 00:00: [io 0x0500-0x057f] has been reserved [ 0.413417] system 00:00: [io 0x0a00-0x0a0f] has been reserved [ 0.413425] system 00:00: [io 0x164e-0x164f] has been reserved [ 0.413433] system 00:00: [io 0x5000-0x500f] could not be reserved [ 0.413478] system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.413582] pnp 00:01: Plug and Play ACPI device, IDs PNP0b00 (active) [ 0.413758] system 00:02: [io 0x0454-0x0457] has been reserved [ 0.413772] system 00:02: Plug and Play ACPI device, IDs INT3f0d PNP0c02 (active) [ 0.413881] pnp 00:03: Plug and Play ACPI device, IDs PNP0303 (active) [ 0.414020] pnp 00:04: Plug and Play ACPI device, IDs ETD0b00 SYN0002 PNP0f13 (active) [ 0.414505] system 00:05: [mem 0xfed1c000-0xfed1ffff] has been reserved [ 0.414515] system 00:05: [mem 0xfed10000-0xfed17fff] has been reserved [ 0.414524] system 00:05: [mem 0xfed18000-0xfed18fff] has been reserved [ 0.414532] system 00:05: [mem 0xfed19000-0xfed19fff] has been reserved [ 0.414541] system 00:05: [mem 0xf8000000-0xfbffffff] has been reserved [ 0.414550] system 00:05: [mem 0xfed20000-0xfed3ffff] has been reserved [ 0.414558] system 00:05: [mem 0xfed90000-0xfed93fff] has been reserved [ 0.414567] system 00:05: [mem 0xfed45000-0xfed8ffff] has been reserved [ 0.414576] system 00:05: [mem 0xff000000-0xffffffff] could not be reserved [ 0.414585] system 00:05: [mem 0xfee00000-0xfeefffff] could not be reserved [ 0.414598] system 00:05: Plug and Play ACPI device, IDs PNP0c02 (active) [ 0.415513] system 00:06: Plug and Play ACPI device, IDs PNP0c01 (active) [ 0.415575] pnp: PnP ACPI: found 7 devices [ 0.428549] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.428617] pci 0000:00:1c.0: PCI bridge to [bus 01] [ 0.428632] pci 0000:00:1c.0: bridge window [mem 0xf0600000-0xf06fffff] [ 0.428654] pci 0000:00:1c.3: PCI bridge to [bus 02] [ 0.428662] pci 0000:00:1c.3: bridge window [io 0x2000-0x2fff] [ 0.428681] pci 0000:00:1c.3: bridge window [mem 0xf0400000-0xf04fffff 64bit pref] [ 0.428698] pci 0000:00:1c.4: PCI bridge to [bus 03] [ 0.428711] pci 0000:00:1c.4: bridge window [mem 0xf0500000-0xf05fffff] [ 0.428733] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.428736] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.428738] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.428740] pci_bus 0000:00: resource 7 [mem 0xdfa00000-0xfeafffff window] [ 0.428742] pci_bus 0000:00: resource 8 [mem 0xfed40000-0xfed44fff window] [ 0.428745] pci_bus 0000:01: resource 1 [mem 0xf0600000-0xf06fffff] [ 0.428747] pci_bus 0000:02: resource 0 [io 0x2000-0x2fff] [ 0.428749] pci_bus 0000:02: resource 2 [mem 0xf0400000-0xf04fffff 64bit pref] [ 0.428752] pci_bus 0000:03: resource 1 [mem 0xf0500000-0xf05fffff] [ 0.428910] NET: Registered protocol family 2 [ 0.429542] TCP established hash table entries: 32768 (order: 6, 262144 bytes) [ 0.430084] TCP bind hash table entries: 32768 (order: 9, 2097152 bytes) [ 0.432293] TCP: Hash tables configured (established 32768 bind 32768) [ 0.432464] UDP hash table entries: 2048 (order: 6, 327680 bytes) [ 0.432818] UDP-Lite hash table entries: 2048 (order: 6, 327680 bytes) [ 0.433475] NET: Registered protocol family 1 [ 0.433512] pci 0000:00:02.0: Video device with shadowed ROM [ 0.433720] PCI: CLS 64 bytes, default 64 [ 0.434044] Trying to unpack rootfs image as initramfs... [ 0.536147] Freeing initrd memory: 3792K (ffff880037888000 - ffff880037c3c000) [ 0.536266] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 0.536275] software IO TLB [mem 0xd5c9f000-0xd9c9f000] (64MB) mapped at [ffff8800d5c9f000-ffff8800d9c9efff] [ 0.536457] RAPL PMU detected, API unit is 2^-32 Joules, 3 fixed counters 163840 ms ovfl timer [ 0.536467] hw unit of domain pp0-core 2^-16 Joules [ 0.536473] hw unit of domain package 2^-16 Joules [ 0.536478] hw unit of domain pp1-gpu 2^-16 Joules [ 0.536787] microcode: CPU0 sig=0x206a7, pf=0x10, revision=0x28 [ 0.536815] microcode: CPU1 sig=0x206a7, pf=0x10, revision=0x28 [ 0.536860] microcode: CPU2 sig=0x206a7, pf=0x10, revision=0x28 [ 0.536886] microcode: CPU3 sig=0x206a7, pf=0x10, revision=0x28 [ 0.537094] microcode: Microcode Update Driver: v2.00 , Peter Oruba [ 0.537185] Scanning for low memory corruption every 60 seconds [ 0.538616] futex hash table entries: 2048 (order: 6, 262144 bytes) [ 0.538825] audit: initializing netlink subsys (disabled) [ 0.538916] audit: type=2000 audit(1443431289.492:1): initialized [ 0.539986] Initialise system trusted keyring [ 0.540311] HugeTLB registered 2 MB page size, pre-allocated 0 pages [ 0.540862] VFS: Disk quotas dquot_6.6.0 [ 0.540913] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.541850] fuse init (API version 7.23) [ 0.544421] Key type asymmetric registered [ 0.544450] Asymmetric key parser 'x509' registered [ 0.544525] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 251) [ 0.544702] io scheduler noop registered [ 0.544712] io scheduler deadline registered (default) [ 0.544764] io scheduler cfq registered [ 0.544772] start plist test [ 0.546764] end plist test [ 0.548363] pci_hotplug: PCI Hot Plug PCI Core version: 0.5 [ 0.548393] pciehp: PCI Express Hot Plug Controller Driver version: 0.4 [ 0.548641] intel_idle: MWAIT substates: 0x21120 [ 0.548643] intel_idle: v0.4 model 0x2A [ 0.548645] intel_idle: lapic_timer_reliable_states 0xffffffff [ 0.550252] ACPI: AC Adapter [ADP1] (on-line) [ 0.550540] input: Lid Switch as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0D:00/input/input0 [ 0.550599] ACPI: Lid Switch [LID0] [ 0.550766] input: Power Button as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0C:00/input/input1 [ 0.550824] ACPI: Power Button [PWRB] [ 0.550990] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input2 [ 0.551003] ACPI: Power Button [PWRF] [ 0.555970] thermal LNXTHERM:00: registered as thermal_zone0 [ 0.555980] ACPI: Thermal Zone [TZ00] (68 C) [ 0.556656] thermal LNXTHERM:01: registered as thermal_zone1 [ 0.556663] ACPI: Thermal Zone [TZ01] (30 C) [ 0.556799] GHES: HEST is not enabled! [ 0.557194] Serial: 8250/16550 driver, 32 ports, IRQ sharing enabled [ 0.566026] ACPI: Battery Slot [BAT1] (battery present) [ 0.566373] Linux agpgart interface v0.103 [ 0.578172] brd: module loaded [ 0.584499] loop: module loaded [ 0.589979] ahci 0000:00:1f.2: version 3.0 [ 0.590451] ahci 0000:00:1f.2: SSS flag set, parallel bus scan disabled [ 0.604050] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 6 ports 6 Gbps 0x1b impl SATA mode [ 0.604065] ahci 0000:00:1f.2: flags: 64bit ncq sntf ilck stag pm led clo pio slum part ems sxs apst [ 0.630560] scsi host0: ahci [ 0.631223] scsi host1: ahci [ 0.631780] scsi host2: ahci [ 0.632296] scsi host3: ahci [ 0.632779] scsi host4: ahci [ 0.633204] scsi host5: ahci [ 0.633423] ata1: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708100 irq 25 [ 0.633434] ata2: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708180 irq 25 [ 0.633442] ata3: DUMMY [ 0.633448] ata4: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708280 irq 25 [ 0.633458] ata5: SATA max UDMA/133 abar m2048@0xf0708000 port 0xf0708300 irq 25 [ 0.633466] ata6: DUMMY [ 0.635256] libphy: Fixed MDIO Bus: probed [ 0.635702] tun: Universal TUN/TAP device driver, 1.6 [ 0.635708] tun: (C) 1999-2004 Max Krasnyansky [ 0.635939] PPP generic driver version 2.4.2 [ 0.636376] xhci_hcd 0000:03:00.0: xHCI Host Controller [ 0.636599] xhci_hcd 0000:03:00.0: new USB bus registered, assigned bus number 1 [ 0.646395] xhci_hcd 0000:03:00.0: hcc params 0x0200f180 hci version 0x96 quirks 0x00080000 [ 0.647401] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.647410] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.647419] usb usb1: Product: xHCI Host Controller [ 0.647425] usb usb1: Manufacturer: Linux 4.3.0-rc3-4-llvmlinux-amd64 xhci-hcd [ 0.647434] usb usb1: SerialNumber: 0000:03:00.0 [ 0.648464] hub 1-0:1.0: USB hub found [ 0.648548] hub 1-0:1.0: 2 ports detected [ 0.649573] xhci_hcd 0000:03:00.0: xHCI Host Controller [ 0.649592] xhci_hcd 0000:03:00.0: new USB bus registered, assigned bus number 2 [ 0.649697] usb usb2: We don't know the algorithms for LPM for this host, disabling LPM. [ 0.649808] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003 [ 0.649816] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.649824] usb usb2: Product: xHCI Host Controller [ 0.649830] usb usb2: Manufacturer: Linux 4.3.0-rc3-4-llvmlinux-amd64 xhci-hcd [ 0.649839] usb usb2: SerialNumber: 0000:03:00.0 [ 0.650483] hub 2-0:1.0: USB hub found [ 0.650547] hub 2-0:1.0: 2 ports detected [ 0.651162] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 0.651174] ehci-pci: EHCI PCI platform driver [ 0.651578] ehci-pci 0000:00:1a.0: EHCI Host Controller [ 0.651609] ehci-pci 0000:00:1a.0: new USB bus registered, assigned bus number 3 [ 0.651641] ehci-pci 0000:00:1a.0: debug port 2 [ 0.655593] ehci-pci 0000:00:1a.0: cache line size of 64 is not supported [ 0.655634] ehci-pci 0000:00:1a.0: irq 16, io mem 0xf070a000 [ 0.663873] ehci-pci 0000:00:1a.0: USB 2.0 started, EHCI 1.00 [ 0.664014] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.664022] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.664031] usb usb3: Product: EHCI Host Controller [ 0.664037] usb usb3: Manufacturer: Linux 4.3.0-rc3-4-llvmlinux-amd64 ehci_hcd [ 0.664045] usb usb3: SerialNumber: 0000:00:1a.0 [ 0.664694] hub 3-0:1.0: USB hub found [ 0.664728] hub 3-0:1.0: 2 ports detected [ 0.665659] ehci-pci 0000:00:1d.0: EHCI Host Controller [ 0.665697] ehci-pci 0000:00:1d.0: new USB bus registered, assigned bus number 4 [ 0.665727] ehci-pci 0000:00:1d.0: debug port 2 [ 0.669653] ehci-pci 0000:00:1d.0: cache line size of 64 is not supported [ 0.669692] ehci-pci 0000:00:1d.0: irq 23, io mem 0xf0709000 [ 0.679862] ehci-pci 0000:00:1d.0: USB 2.0 started, EHCI 1.00 [ 0.680013] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002 [ 0.680021] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 0.680029] usb usb4: Product: EHCI Host Controller [ 0.680035] usb usb4: Manufacturer: Linux 4.3.0-rc3-4-llvmlinux-amd64 ehci_hcd [ 0.680042] usb usb4: SerialNumber: 0000:00:1d.0 [ 0.680609] hub 4-0:1.0: USB hub found [ 0.680636] hub 4-0:1.0: 2 ports detected [ 0.681071] ehci-platform: EHCI generic platform driver [ 0.681109] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 0.681127] ohci-pci: OHCI PCI platform driver [ 0.681164] ohci-platform: OHCI generic platform driver [ 0.681194] uhci_hcd: USB Universal Host Controller Interface driver [ 0.681337] i8042: PNP: PS/2 Controller [PNP0303:PS2K,PNP0f13:EPAD] at 0x60,0x64 irq 1,12 [ 0.688618] serio: i8042 KBD port at 0x60,0x64 irq 1 [ 0.688694] serio: i8042 AUX port at 0x60,0x64 irq 12 [ 0.689645] mousedev: PS/2 mouse device common for all mice [ 0.691528] rtc_cmos 00:01: rtc core: registered rtc_cmos as rtc0 [ 0.691578] rtc_cmos 00:01: alarms up to one month, y3k, 242 bytes nvram, hpet irqs [ 0.691667] device-mapper: uevent: version 1.0.3 [ 0.692011] device-mapper: ioctl: 4.33.0-ioctl (2015-8-18) initialised: dm-devel@redhat.com [ 0.692061] Intel P-state driver initializing. [ 0.693194] ledtrig-cpu: registered to indicate activity on CPUs [ 0.693961] NET: Registered protocol family 10 [ 0.696345] NET: Registered protocol family 17 [ 0.696430] Key type dns_resolver registered [ 0.700445] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input3 [ 0.700965] registered taskstats version 1 [ 0.700987] Loading compiled-in X.509 certificates [ 0.702311] Loaded X.509 cert 'Build time autogenerated kernel key: d861534734a1854c045ffb7a95ace7fffd94d654' [ 0.708771] Key type trusted registered [ 0.718154] Key type encrypted registered [ 0.718180] AppArmor: AppArmor sha1 policy hashing enabled [ 0.718194] evm: HMAC attrs: 0x1 [ 0.719252] rtc_cmos 00:01: setting system clock to 2015-09-28 09:08:09 UTC (1443431289) [ 0.719428] BIOS EDD facility v0.16 2004-Jun-25, 0 devices found [ 0.719436] EDD information not available. [ 0.951801] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 0.953377] ata1.00: ATA-8: Hitachi HTS545050A7E380, GG2OA6C0, max UDMA/133 [ 0.953387] ata1.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA [ 0.955116] ata1.00: configured for UDMA/133 [ 0.956368] scsi 0:0:0:0: Direct-Access ATA Hitachi HTS54505 A6C0 PQ: 0 ANSI: 5 [ 0.957635] sd 0:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/465 GiB) [ 0.957648] sd 0:0:0:0: [sda] 4096-byte physical blocks [ 0.957908] sd 0:0:0:0: [sda] Write Protect is off [ 0.957921] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 0.958023] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 0.958154] sd 0:0:0:0: Attached scsi generic sg0 type 0 [ 0.974468] sda: sda1 sda2 sda3 [ 0.975663] usb 3-1: new high-speed USB device number 2 using ehci-pci [ 0.976233] sd 0:0:0:0: [sda] Attached SCSI disk [ 0.991761] usb 4-1: new high-speed USB device number 2 using ehci-pci [ 1.108364] usb 3-1: New USB device found, idVendor=8087, idProduct=0024 [ 1.108384] usb 3-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1.109304] hub 3-1:1.0: USB hub found [ 1.109446] hub 3-1:1.0: 6 ports detected [ 1.124344] usb 4-1: New USB device found, idVendor=8087, idProduct=0024 [ 1.124355] usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1.125151] hub 4-1:1.0: USB hub found [ 1.125380] hub 4-1:1.0: 6 ports detected [ 1.275570] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300) [ 1.276178] ata2.00: ATA-8: SanDisk iSSD P4 16GB, SSD 9.14, max UDMA/133 [ 1.276188] ata2.00: 31277232 sectors, multi 1: LBA48 [ 1.276925] ata2.00: configured for UDMA/133 [ 1.277540] scsi 1:0:0:0: Direct-Access ATA SanDisk iSSD P4 9.14 PQ: 0 ANSI: 5 [ 1.278430] sd 1:0:0:0: [sdb] 31277232 512-byte logical blocks: (16.0 GB/14.9 GiB) [ 1.278524] sd 1:0:0:0: Attached scsi generic sg1 type 0 [ 1.278805] sd 1:0:0:0: [sdb] Write Protect is off [ 1.278815] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00 [ 1.278933] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 1.280439] sdb: sdb1 sdb2 [ 1.281660] sd 1:0:0:0: [sdb] Attached SCSI disk [ 1.383484] usb 3-1.2: new high-speed USB device number 3 using ehci-pci [ 1.399449] usb 4-1.4: new low-speed USB device number 3 using ehci-pci [ 1.478985] usb 3-1.2: New USB device found, idVendor=12d1, idProduct=1436 [ 1.478996] usb 3-1.2: New USB device strings: Mfr=4, Product=3, SerialNumber=0 [ 1.479005] usb 3-1.2: Product: HUAWEI Mobile [ 1.479010] usb 3-1.2: Manufacturer: HUAWEI Technology [ 1.498440] usb 4-1.4: New USB device found, idVendor=046d, idProduct=c00e [ 1.498451] usb 4-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1.498460] usb 4-1.4: Product: USB-PS/2 Optical Mouse [ 1.498465] usb 4-1.4: Manufacturer: Logitech [ 1.535478] tsc: Refined TSC clocksource calibration: 1596.373 MHz [ 1.535490] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1702c2a0637, max_idle_ns: 440795222505 ns [ 1.555360] usb 3-1.4: new high-speed USB device number 4 using ehci-pci [ 1.571364] usb 4-1.5: new full-speed USB device number 4 using ehci-pci [ 1.595325] ata4: SATA link down (SStatus 0 SControl 300) [ 1.668695] usb 4-1.5: New USB device found, idVendor=8086, idProduct=0189 [ 1.668707] usb 4-1.5: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 1.808102] usb 3-1.4: New USB device found, idVendor=2232, idProduct=1018 [ 1.808113] usb 3-1.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 1.808122] usb 3-1.4: Product: WebCam SC-13HDL11431N [ 1.808127] usb 3-1.4: Manufacturer: 123 [ 1.915117] ata5: SATA link down (SStatus 0 SControl 300) [ 1.916491] Freeing unused kernel memory: 2972K (ffffffff81f29000 - ffffffff82210000) [ 1.916506] Write protecting the kernel read-only data: 14336k [ 1.917536] Freeing unused kernel memory: 808K (ffff880001936000 - ffff880001a00000) [ 1.918088] Freeing unused kernel memory: 696K (ffff880001d52000 - ffff880001e00000) [ 1.957383] udevd[160]: starting version 175 [ 2.241639] usb-storage 3-1.2:1.0: USB Mass Storage device detected [ 2.252193] usb-storage 3-1.2:1.1: USB Mass Storage device detected [ 2.252579] usb-storage 3-1.2:1.2: USB Mass Storage device detected [ 2.253515] usb-storage 3-1.2:1.3: USB Mass Storage device detected [ 2.255528] usb-storage 3-1.2:1.4: USB Mass Storage device detected [ 2.263133] usb-storage 3-1.2:1.5: USB Mass Storage device detected [ 2.274369] scsi host11: usb-storage 3-1.2:1.5 [ 2.276298] usb-storage 3-1.2:1.6: USB Mass Storage device detected [ 2.286740] scsi host12: usb-storage 3-1.2:1.6 [ 2.288078] usbcore: registered new interface driver usb-storage [ 2.304171] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded [ 2.304193] r8169 0000:02:00.0: can't disable ASPM; OS doesn't have ASPM control [ 2.305610] r8169 0000:02:00.0 eth0: RTL8168evl/8111evl at 0xffffc90000990000, e8:03:9a:36:17:a9, XID 0c900800 IRQ 31 [ 2.305624] r8169 0000:02:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko] [ 2.328054] usbcore: registered new interface driver usbhid [ 2.328071] usbhid: USB HID core driver [ 2.407039] input: Logitech USB-PS/2 Optical Mouse as /devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.4/4-1.4:1.0/0003:046D:C00E.0001/input/input6 [ 2.407665] hid-generic 0003:046D:C00E.0001: input: USB HID v1.10 Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:1d.0-1.4/input0 [ 2.534995] clocksource: Switched to clocksource tsc [ 2.982136] EXT4-fs (loop0): mounted filesystem with ordered data mode. Opts: (null) [ 3.276096] scsi 11:0:0:0: CD-ROM HUAWEI Mass Storage 2.31 PQ: 0 ANSI: 2 [ 3.280345] sr 11:0:0:0: [sr0] scsi-1 drive [ 3.280355] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 3.281111] sr 11:0:0:0: Attached scsi CD-ROM sr0 [ 3.281366] sr 11:0:0:0: Attached scsi generic sg2 type 5 [ 3.287840] scsi 12:0:0:0: Direct-Access HUAWEI SD Storage 2.31 PQ: 0 ANSI: 2 [ 3.288759] sd 12:0:0:0: Attached scsi generic sg3 type 0 [ 3.290964] sd 12:0:0:0: [sdc] Attached SCSI removable disk [ 3.957749] random: nonblocking pool is initialized [ 5.294173] init: ureadahead main process (500) terminated with status 5 [ 9.764168] Adding 262140k swap on /host/ubuntu/disks/swap.disk. Priority:-1 extents:1 across:262140k FS [ 9.998777] EXT4-fs (loop0): re-mounted. Opts: errors=remount-ro [ 10.165538] udevd[736]: starting version 175 [ 11.489233] lp: driver loaded but no devices found [ 13.552623] ACPI Warning: SystemIO range 0x0000000000000428-0x000000000000042F conflicts with OpRegion 0x0000000000000400-0x000000000000047F (\PMIO) (20150818/utaddress-245) [ 13.552639] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [ 13.552649] ACPI Warning: SystemIO range 0x0000000000000540-0x000000000000054F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20150818/utaddress-245) [ 13.552658] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [ 13.552663] ACPI Warning: SystemIO range 0x0000000000000530-0x000000000000053F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20150818/utaddress-245) [ 13.552671] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [ 13.552675] ACPI Warning: SystemIO range 0x0000000000000500-0x000000000000052F conflicts with OpRegion 0x0000000000000500-0x0000000000000563 (\GPIO) (20150818/utaddress-245) [ 13.552684] ACPI: If an ACPI driver is available for this device, you should use it instead of the native driver [ 13.552687] lpc_ich: Resource conflict(s) found affecting gpio_ich [ 13.556463] wmi: Mapper loaded [ 13.992900] samsung_laptop: detected SABI interface: SwSmi@ [ 14.598307] [drm] Initialized drm 1.1.0 20060810 [ 15.179624] Bluetooth: Core ver 2.20 [ 15.179670] NET: Registered protocol family 31 [ 15.179672] Bluetooth: HCI device and connection manager initialized [ 15.179757] Bluetooth: HCI socket layer initialized [ 15.179763] Bluetooth: L2CAP socket layer initialized [ 15.179843] Bluetooth: SCO socket layer initialized [ 15.249053] psmouse serio1: elantech: assuming hardware version 3 (with firmware version 0x450f00) [ 15.264045] psmouse serio1: elantech: Synaptics capabilities query result 0x08, 0x17, 0x0c. [ 15.279119] psmouse serio1: elantech: Elan sample query result 03, 3f, 86 [ 15.358153] input: ETPS/2 Elantech Touchpad as /devices/platform/i8042/serio1/input/input7 [ 15.785670] usbcore: registered new interface driver btusb [ 15.865155] usbcore: registered new interface driver usbserial [ 16.453032] Linux video capture interface: v2.00 [ 16.562320] cfg80211: World regulatory domain updated: [ 16.562326] cfg80211: DFS Master region: unset [ 16.562328] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time) [ 16.562332] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 16.562334] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A) [ 16.562336] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm), (N/A) [ 16.562339] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 16.562341] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm), (N/A) [ 16.859589] audit: type=1400 audit(1443424105.645:2): apparmor="STATUS" operation="profile_load" name="/sbin/dhclient" pid=1080 comm="apparmor_parser" [ 16.859601] audit: type=1400 audit(1443424105.645:3): apparmor="STATUS" operation="profile_load" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1080 comm="apparmor_parser" [ 16.859609] audit: type=1400 audit(1443424105.645:4): apparmor="STATUS" operation="profile_load" name="/usr/lib/connman/scripts/dhclient-script" pid=1080 comm="apparmor_parser" [ 16.859637] audit: type=1400 audit(1443424105.645:5): apparmor="STATUS" operation="profile_replace" name="/sbin/dhclient" pid=1087 comm="apparmor_parser" [ 16.859652] audit: type=1400 audit(1443424105.645:6): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1087 comm="apparmor_parser" [ 16.859665] audit: type=1400 audit(1443424105.645:7): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=1087 comm="apparmor_parser" [ 16.860610] audit: type=1400 audit(1443424105.649:8): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1080 comm="apparmor_parser" [ 16.860627] audit: type=1400 audit(1443424105.649:9): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=1080 comm="apparmor_parser" [ 16.860656] audit: type=1400 audit(1443424105.649:10): apparmor="STATUS" operation="profile_replace" name="/usr/lib/NetworkManager/nm-dhcp-client.action" pid=1087 comm="apparmor_parser" [ 16.860669] audit: type=1400 audit(1443424105.649:11): apparmor="STATUS" operation="profile_replace" name="/usr/lib/connman/scripts/dhclient-script" pid=1087 comm="apparmor_parser" [ 17.033958] uvcvideo: Found UVC 1.00 device WebCam SC-13HDL11431N (2232:1018) [ 17.053816] input: WebCam SC-13HDL11431N as /devices/pci0000:00/0000:00:1a.0/usb3/3-1/3-1.4/3-1.4:1.0/input/input8 [ 17.054490] usbcore: registered new interface driver uvcvideo [ 17.054495] USB Video Class driver (1.1.1) [ 17.445591] ppdev: user-space parallel port driver [ 17.672818] init: failsafe main process (1156) killed by TERM signal [ 17.754869] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 17.754875] Bluetooth: BNEP filters: protocol multicast [ 17.754888] Bluetooth: BNEP socket layer initialized [ 17.947702] cdc_ether 3-1.2:1.1 wwan0: register 'cdc_ether' at usb-0000:00:1a.0-1.2, Mobile Broadband Network Device, 02:50:f3:00:00:00 [ 17.948060] usbcore: registered new interface driver cdc_ether [ 17.971753] Bluetooth: RFCOMM TTY layer initialized [ 17.971771] Bluetooth: RFCOMM socket layer initialized [ 17.971801] Bluetooth: RFCOMM ver 1.11 [ 17.972279] usbcore: registered new interface driver option [ 17.974333] usbserial: USB Serial support registered for GSM modem (1-port) [ 17.974495] option 3-1.2:1.0: GSM modem (1-port) converter detected [ 17.977142] usb 3-1.2: GSM modem (1-port) converter now attached to ttyUSB0 [ 17.977515] option 3-1.2:1.3: GSM modem (1-port) converter detected [ 17.978144] usb 3-1.2: GSM modem (1-port) converter now attached to ttyUSB1 [ 17.978209] option 3-1.2:1.4: GSM modem (1-port) converter detected [ 17.978548] usb 3-1.2: GSM modem (1-port) converter now attached to ttyUSB2 [ 18.665569] Intel(R) Wireless WiFi driver for Linux [ 18.665574] Copyright(c) 2003- 2015 Intel Corporation [ 18.665891] iwlwifi 0000:01:00.0: can't disable ASPM; OS doesn't have ASPM control [ 19.688505] iwlwifi 0000:01:00.0: loaded firmware version 18.168.6.1 op_mode iwldvm [ 20.153500] snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC269VC: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker [ 20.153507] snd_hda_codec_realtek hdaudioC0D0: speaker_outs=0 (0x0/0x0/0x0/0x0/0x0) [ 20.153510] snd_hda_codec_realtek hdaudioC0D0: hp_outs=1 (0x15/0x0/0x0/0x0/0x0) [ 20.153512] snd_hda_codec_realtek hdaudioC0D0: mono: mono_out=0x0 [ 20.153514] snd_hda_codec_realtek hdaudioC0D0: inputs: [ 20.153517] snd_hda_codec_realtek hdaudioC0D0: Internal Mic=0x19 [ 20.153521] snd_hda_codec_realtek hdaudioC0D0: Mic=0x18 [ 20.257449] input: HDA Intel PCH Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9 [ 20.258800] input: HDA Intel PCH Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10 [ 20.259178] input: HDA Intel PCH HDMI/DP,pcm=3 as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11 [ 21.041949] [drm] Memory usable by graphics device = 2048M [ 21.042030] [drm] Replacing VGA console driver [ 21.052094] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 21.052099] [drm] Driver supports precise vblank timestamp query. [ 21.052998] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 21.071180] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no) [ 21.072092] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input12 [ 21.073295] [drm] Initialized i915 1.6.0 20150731 for 0000:00:02.0 on minor 0 [ 21.086737] fbcon: inteldrmfb (fb0) is primary device [ 22.124270] Console: switching to colour frame buffer device 170x48 [ 22.128838] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 23.134672] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEBUG disabled [ 23.134677] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEBUGFS enabled [ 23.134679] iwlwifi 0000:01:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled [ 23.134683] iwlwifi 0000:01:00.0: Detected Intel(R) Centrino(R) Advanced-N 6230 AGN, REV=0xB0 [ 23.135219] iwlwifi 0000:01:00.0: L1 Enabled - LTR Disabled [ 23.250876] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs' [ 25.380481] r8169 0000:02:00.0 eth0: link down [ 25.380772] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -729,16 +729,16 @@ void usbhid_close(struct hid_device *hid) * data acquistion due to a resumption we no longer * care about */ - spin_lock_irq(&usbhid->lock); + spin_lock_bh(&usbhid->lock); if (!--hid->open) { - spin_unlock_irq(&usbhid->lock); + spin_unlock_bh(&usbhid->lock); hid_cancel_delayed_stuff(usbhid); if (!(hid->quirks & HID_QUIRK_ALWAYS_POLL)) { usb_kill_urb(usbhid->urbin); usbhid->intf->needs_remote_wakeup = 0; } } else { - spin_unlock_irq(&usbhid->lock); + spin_unlock_bh(&usbhid->lock); } mutex_unlock(&hid_open_mut); } @@ -1392,6 +1392,8 @@ static void usbhid_disconnect(struct usb_interface *intf) static void hid_cancel_delayed_stuff(struct usbhid_device *usbhid) { + might_sleep(); + del_timer_sync(&usbhid->io_retry); cancel_work_sync(&usbhid->reset_work); }