From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f43.google.com (mail-ej1-f43.google.com [209.85.218.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BF9F84C60 for ; Tue, 23 Jan 2024 02:21:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.43 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705976517; cv=none; b=gvKLi9v1PPAmZV/hPRpTJRzcHfdaxRcLy+wP5VSkWnA6GHMyzSKoByhPDp8o9LyTDcWBRcO6iFlOqfxxuopp1BJ31fjlNTxtGmE+GxrTjxmIGiVC2bT7AqUhxfEiyj08Nq2fkEojnROxjyGc9VLJNDMaCHyUumh3JiXJkI3Db30= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705976517; c=relaxed/simple; bh=1k8ROicesrNsqWVQWRUqg7MU8rCvHMOIi47paJFQ+KU=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=nDfnV8IuU6cvBGG7bccGwvVeco/LUM4/asyo2db7T+h1fJIYbDQTtOMDlmqAncJyFw4yfL3a/q4peq3KvXiETzQOuSZIqrpnuZ8NgLGCYoVYUKSeqNZ6uc0gxKxHlgg0yl5HF2VCJVPxX5OqZ1c/TIf1a/irF0Q1Ob7LV4bv5yE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=RdTRTKZi; arc=none smtp.client-ip=209.85.218.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="RdTRTKZi" Received: by mail-ej1-f43.google.com with SMTP id a640c23a62f3a-a30799d6aa0so126782366b.3 for ; Mon, 22 Jan 2024 18:21:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1705976514; x=1706581314; darn=vger.kernel.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=UQ8GDI8FzhEiMu6pZSg0ZuOmMJQKcLLfU4p0987uNpk=; b=RdTRTKZiSG0Fvsc9I+Y1/0fPnWqmokCMZbBpbUBIpkcppfMOVpvBuaUsj0vMMaw37S SBY73gbKB1VYRyKLHTh34OPsHHhVlRZjzpFs6tsVDulXP+0J3me2K3VJGByMG8jDx96x PxC+G4+HreQWB7p/VcAG/J6yRDiTXrwTjvD6yS1YH9Ac6LIZM/UMWuKBJJBhsF5KuOa5 7PPGB8di+GlaqYpIlL29RRQrCTRiJ+6tRhPGLTXG2IFr8ct9RzXfYTfcmC9wsV/+ohv/ FiHWx+0k8/MI4vZrVK1ZGzkHtudOTwUdJ6fPtZSHVY58fCIVOds6GhNSfCtXrn3GIM/u FDGA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705976514; x=1706581314; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=UQ8GDI8FzhEiMu6pZSg0ZuOmMJQKcLLfU4p0987uNpk=; b=Ba+wvH1VBn5c13ZJb67pPBxutDUOnBrQi4EkWgKPWI25ejoVq5m1KNcdxwtV7GjdnK EnvQk+nIIX5MfpHWxYauPDGbVvqGGsS45EP2yJoifjR+IChgUgFhtkX2sFpKS2BGqN+c 80nByWwVG6wosgo2/Fzxnmo4OFzX42jl5HpLAYVfYxvr3gm0w5NAZoqAQAiXAuZE3HV/ Qf2g7YdsvW9MvCz3QvC+lq9nuzJJGmjOtNyKkaIWhCp5w2Fo5IYadn0tfG1NaOZo42m1 P+uWkrj0rWDaGMdWBiPsbUhybsd0ZRNbkBzB3l3SLMnYGhxuljqlPbzK0oe8YYG6QU1x oH7w== X-Gm-Message-State: AOJu0YzD5/LwbgU4XCJc8sV/FpwdLzSUV+c1SpScjJvfMb59W9SR7+uY HvSp89kkk+EP+LQFpbvqneY7G+eSRRp/V9B1q2iKhJ72Ga61LSI0xwFYQTDtU6xk/LeJAxPsLpv H0jjUI6Tq+Wp8FT6Ys8XaEHmgoxE= X-Google-Smtp-Source: AGHT+IFDCkj/zDpLb0MKY6dR1bSTBGpxcp2rQ+Gl8K7k1K8bcQXP4Bux8V5sPQoBHVJOS7dyfJRf8nFN/evo0h1C2Js= X-Received: by 2002:a17:907:d405:b0:a2f:c878:38c0 with SMTP id vi5-20020a170907d40500b00a2fc87838c0mr3133557ejc.59.1705976513487; Mon, 22 Jan 2024 18:21:53 -0800 (PST) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240122180605.28daf23a@gandalf.local.home> <20240122181547.16b029d6@gandalf.local.home> <20240122181901.05a3b9ab@gandalf.local.home> <27c3d1e9-5933-47a9-9c33-ff8ec13f40d3@amd.com> <20240122203552.529eeb20@gandalf.local.home> In-Reply-To: <20240122203552.529eeb20@gandalf.local.home> From: Dave Airlie Date: Tue, 23 Jan 2024 12:21:41 +1000 Message-ID: Subject: Re: [BUG] BUG: kernel NULL pointer dereference at ttm_device_init+0xb4 To: Steven Rostedt Cc: "Bhardwaj, Rajneesh" , Linus Torvalds , LKML , Felix Kuehling , =?UTF-8?Q?Christian_K=C3=B6nig?= , dri-devel@lists.freedesktop.org, Fedor Pchelkin Content-Type: text/plain; charset="UTF-8" On Tue, 23 Jan 2024 at 12:15, Steven Rostedt wrote: > > On Mon, 22 Jan 2024 19:56:08 -0500 > "Bhardwaj, Rajneesh" wrote: > > > > > On 1/22/2024 7:43 PM, Linus Torvalds wrote: > > > On Mon, 22 Jan 2024 at 15:17, Steven Rostedt wrote: > > >> Perhaps this is the real fix? > > > If you send a signed-off version, I'll apply it asap. > > > > > > I think a fix might already be in flight. Please see Linux-Kernel > > Archive: Re: [PATCH] drm/ttm: fix ttm pool initialization for > > no-dma-device drivers (iu.edu) > > > > Please use lore links. They are much easier to follow and use. https://lore.kernel.org/dri-devel/20240123022015.1288588-1-airlied@gmail.com/T/#u should also fix it, Linus please apply it directly if Steven has a chance to give it a run. Thanks, Dave. From mboxrd@z Thu Jan 1 00:00:00 1970 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 5C5BEC46CD2 for ; Tue, 23 Jan 2024 02:22:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 855F110E471; Tue, 23 Jan 2024 02:22:58 +0000 (UTC) Received: from mail-ej1-f51.google.com (mail-ej1-f51.google.com [209.85.218.51]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0A11710E471 for ; Tue, 23 Jan 2024 02:22:57 +0000 (UTC) Received: by mail-ej1-f51.google.com with SMTP id a640c23a62f3a-a308e6824ccso102256666b.0 for ; Mon, 22 Jan 2024 18:22:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1705976514; x=1706581314; darn=lists.freedesktop.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=UQ8GDI8FzhEiMu6pZSg0ZuOmMJQKcLLfU4p0987uNpk=; b=broxAV6CDKaVh1/X+S9u6z11pYOT3vdHdltmWvCX37jHvSWe+frtR4I9s1EHgFyKMn GydVT7BEpxzvltKTtq1RPWA7sGtiYKWv0edn1Vo5tX1mmo28DcBhN45PfDqAGLfGfM3u YXjeRLXL+p9RtqLotQ4f3BkwTRuJ3MfSYO1UO6hvxeopq35oSVonVK/avr0tuy7cD8Jr WMTY/QxHTRGJNCfDznYyOZ6Fynws1A1RyTrrs2DiLa2UYPHo8IblKOTAV5hpVpukm0JM kxsM0CXDwim1mvxVaL/ftTCyHKu6us/Jtxn9rKLBhhmBAbOFcaF7hYDDZfTGxnjMzMBE 2+1g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1705976514; x=1706581314; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=UQ8GDI8FzhEiMu6pZSg0ZuOmMJQKcLLfU4p0987uNpk=; b=tKN6PrJ1Jq1lVFNdIP13h9rp0yALYA67iRb/8pmucdqCOwZr04ynF9L5ALxYcycUhf iqL2nj/M3fqEG7c8s0TNBz7w9vYcntk7ZWQ0Bi900D40Ie5lrmjwbJoU/fA20fLwaWmG 94FjEbeDt6Ooj4qW6JuYr4ncAcTc7R+erycMXXZLoQEmHCFhF9Z4pp4qcxPdQP5kusd7 eZEkjaqwQuS3fgb5iBzzxbfTWep5zyE/m4qTEu0szwUOM5S3U+yrblOtoNOhrmaETXb5 Z8pZjf6IbB26Fm/Y7bMgmR6xRHAbVo5ZUoC4SJ2HbRLT2Rh6WC4DwZRiK2dMMbcCtbR7 Hz9w== X-Gm-Message-State: AOJu0YyL6oN7rZBYXDPXS9wxc85S/UsS8Dbg/3Bqon7EHWJ5ZOJqo6F0 WAij/CUTtH63+57lc2aJykW3lId3pIzW6fOPV/b5+27WMfgTezvcJClzynPNCM89JWQd7iayG8A pwG8CqS+ouHhigvS+lR+Kh2FC1pm9QoJR6zA= X-Google-Smtp-Source: AGHT+IFDCkj/zDpLb0MKY6dR1bSTBGpxcp2rQ+Gl8K7k1K8bcQXP4Bux8V5sPQoBHVJOS7dyfJRf8nFN/evo0h1C2Js= X-Received: by 2002:a17:907:d405:b0:a2f:c878:38c0 with SMTP id vi5-20020a170907d40500b00a2fc87838c0mr3133557ejc.59.1705976513487; Mon, 22 Jan 2024 18:21:53 -0800 (PST) MIME-Version: 1.0 References: <20240122180605.28daf23a@gandalf.local.home> <20240122181547.16b029d6@gandalf.local.home> <20240122181901.05a3b9ab@gandalf.local.home> <27c3d1e9-5933-47a9-9c33-ff8ec13f40d3@amd.com> <20240122203552.529eeb20@gandalf.local.home> In-Reply-To: <20240122203552.529eeb20@gandalf.local.home> From: Dave Airlie Date: Tue, 23 Jan 2024 12:21:41 +1000 Message-ID: Subject: Re: [BUG] BUG: kernel NULL pointer dereference at ttm_device_init+0xb4 To: Steven Rostedt Content-Type: text/plain; charset="UTF-8" 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: Felix Kuehling , "Bhardwaj, Rajneesh" , dri-devel@lists.freedesktop.org, LKML , Fedor Pchelkin , Linus Torvalds , =?UTF-8?Q?Christian_K=C3=B6nig?= Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Tue, 23 Jan 2024 at 12:15, Steven Rostedt wrote: > > On Mon, 22 Jan 2024 19:56:08 -0500 > "Bhardwaj, Rajneesh" wrote: > > > > > On 1/22/2024 7:43 PM, Linus Torvalds wrote: > > > On Mon, 22 Jan 2024 at 15:17, Steven Rostedt wrote: > > >> Perhaps this is the real fix? > > > If you send a signed-off version, I'll apply it asap. > > > > > > I think a fix might already be in flight. Please see Linux-Kernel > > Archive: Re: [PATCH] drm/ttm: fix ttm pool initialization for > > no-dma-device drivers (iu.edu) > > > > Please use lore links. They are much easier to follow and use. https://lore.kernel.org/dri-devel/20240123022015.1288588-1-airlied@gmail.com/T/#u should also fix it, Linus please apply it directly if Steven has a chance to give it a run. Thanks, Dave.