From patchwork Tue Nov 29 21:12:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: John Harrison X-Patchwork-Id: 13059211 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A39B3C4332F for ; Tue, 29 Nov 2022 21:12:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 345AF10E3E9; Tue, 29 Nov 2022 21:12:53 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id DDC2B10E3E9; Tue, 29 Nov 2022 21:12:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1669756369; x=1701292369; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=5wj9cQtrBnT0Vt4tE+ufyP8rz5Tby1AA1O2r9FIOr0c=; b=YxSkHvIwsXa65yt7BpNbWplm5bmYahhtjQz9ezxJTWgnEGzqA7MsOFuS Hgvz5uxkxAX+r58yAOM7dOGMcJUyUuPHsC5PB/pmQIBDih6pKsEvLLT2Y t2rObGuotqOC4/AMX/rUxzS/jztlWr6Cizy75kivFrMLn7S05eLe24Opb qB4FESuWQtUl7Kr425sLyBQiYM4zhJqLzWfloT19KU5JRGPjET+19AOp3 kfcO24n/U+IH1VK8xnmK8Je3MviePeZQKeqmFStcnH89Xk4kyQAmuK1KJ R299I5wYwHAsfCRXZtF8Bd8FLU9QS3qrEqIWnry3c1x5HE8MVhFuT/fuS A==; X-IronPort-AV: E=McAfee;i="6500,9779,10546"; a="315261006" X-IronPort-AV: E=Sophos;i="5.96,204,1665471600"; d="scan'208";a="315261006" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Nov 2022 13:12:49 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10546"; a="676576076" X-IronPort-AV: E=Sophos;i="5.96,204,1665471600"; d="scan'208";a="676576076" Received: from relo-linux-5.jf.intel.com ([10.165.21.143]) by orsmga001.jf.intel.com with ESMTP; 29 Nov 2022 13:12:48 -0800 From: John.C.Harrison@Intel.com To: Intel-GFX@Lists.FreeDesktop.Org Subject: [PATCH 0/2] Allow error capture without a request / on reset failure Date: Tue, 29 Nov 2022 13:12:51 -0800 Message-Id: <20221129211253.3183480-1-John.C.Harrison@Intel.com> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 Organization: Intel Corporation (UK) Ltd. - Co. Reg. #1134945 - Pipers Way, Swindon SN3 1RJ X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: John Harrison , DRI-Devel@Lists.FreeDesktop.Org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: John Harrison It is technically possible to get a hung context without a valid request. In such a situation, try to provide as much information in the error capture as possible rather than just aborting and capturing nothing. Similarly, in the case of a engine reset failure the GuC is not able to report the guilty context. So try a manual search instead of reporting nothing. Signed-off-by: John Harrison John Harrison (2): drm/i915: Allow error capture without a request drm/i915/guc: Look for a guilty context when an engine reset fails .../gpu/drm/i915/gt/uc/intel_guc_submission.c | 15 ++++- drivers/gpu/drm/i915/i915_gpu_error.c | 55 ++++++++++++++----- 2 files changed, 54 insertions(+), 16 deletions(-)