From patchwork Mon Apr 2 20:29:51 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tejun Heo X-Patchwork-Id: 10320381 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1203460116 for ; Mon, 2 Apr 2018 20:29:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E75BF2893C for ; Mon, 2 Apr 2018 20:29:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DB40C2894B; Mon, 2 Apr 2018 20:29:57 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 84E722893C for ; Mon, 2 Apr 2018 20:29:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756671AbeDBU34 (ORCPT ); Mon, 2 Apr 2018 16:29:56 -0400 Received: from mail-yw0-f194.google.com ([209.85.161.194]:42560 "EHLO mail-yw0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756412AbeDBU3z (ORCPT ); Mon, 2 Apr 2018 16:29:55 -0400 Received: by mail-yw0-f194.google.com with SMTP id z82so5393588ywd.9; Mon, 02 Apr 2018 13:29:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=XkE0HCWw4+XOXdo1mgyicsiwqYahw3bNMo6PHJFctT0=; b=hG3+iHXiPTJWLgVlf5FA8sU0+AU1F0yXZuO+Sgb2+ZaFLBysBciJDPC4wJF9R70fyS OpAP2pMMDi/U1lWzbnHjzR92DzPTXmS2nZdqjr92kmSuqfdnAAXMisEPwSgMgJN9Govr YGEMgoNvpvYeaR4jsIlNuWT/y8HmDin1NCnAuWKv3OItiZP/zfQ/6OPi8aRGD6ZLaQ+I VnE0k3UIcYJ2Pp2JW7NV6mPQdnXCKMY7JwpoON+baPzYYE/WKiwuQVyDGhwu1122mi3Z lLigHAY1i5BFcquU85Ro9NP5MaqVEqnFEK/HnNZHeMEgpQVifxWa6qXOrrUV/3DBWpq3 jsiA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=XkE0HCWw4+XOXdo1mgyicsiwqYahw3bNMo6PHJFctT0=; b=D3fSb82e2VoQ2phEt1xG+iFn2khdaP+uiQ94VlDFiPBftHheoHdV32dfPjwuLe6VSG KtTB7xPMpBJt/TQGGS0YtESEJRUi3FGt6vsnwScMc11Ph9uBjj6WRhLtiYPRKdDJjtiY tYRUvR05LSrMJW0j0dyJDR7qqBiZBiGPA2C0OGKEqqWkLMulmxbV4N0xKktdBRQ4ghXG foAZEDoaw3ninB2eaL9JFO+tSVMBHzW7MNCt1VK5sgA+wsDStkbFK+nyRRruokRRiuZI 52Refh3Ghbsld3q54i0KWZ2vAlaMi7UCACJyjjKV/t+D8QX++JDT1vPHz5zLOTl+61z9 FT1A== X-Gm-Message-State: ALQs6tAQ75uEBWSKaWSNwqNFRxO3Btc3V5Of5uoC5FFScR91rgaR16BW dpPcA71GMdqjnO9SmrfVcFg= X-Google-Smtp-Source: AIpwx4+jBhfRmnYNHYE3Nwkw/Dko0x1hzxkZnwKfj53h+SkLeuUqAVi1mfX8XDiWwvu+XFjInKsUKQ== X-Received: by 10.129.175.93 with SMTP id x29mr6304125ywj.4.1522700994960; Mon, 02 Apr 2018 13:29:54 -0700 (PDT) Received: from localhost ([2620:10d:c091:180::1:23de]) by smtp.gmail.com with ESMTPSA id i82sm535908ywi.15.2018.04.02.13.29.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 02 Apr 2018 13:29:53 -0700 (PDT) Date: Mon, 2 Apr 2018 13:29:51 -0700 From: Tejun Heo To: Sitsofe Wheeler Cc: Jens Axboe , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, Stefan Haberland , Jan Hoeppner , Bart Van Assche Subject: Re: [BISECTED][REGRESSION] Hang while booting EeePC 900 Message-ID: <20180402202951.GE388343@devbig577.frc2.facebook.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Hello, Sitsofe. Can you see whether the following patch makes any difference? Thanks. diff --git a/block/blk-timeout.c b/block/blk-timeout.c index a05e367..f0e6e41 100644 --- a/block/blk-timeout.c +++ b/block/blk-timeout.c @@ -165,7 +165,7 @@ void blk_abort_request(struct request *req) * No need for fancy synchronizations. */ blk_rq_set_deadline(req, jiffies); - mod_timer(&req->q->timeout, 0); + kblockd_schedule_work(&req->q->timeout_work); } else { if (blk_mark_rq_complete(req)) return;