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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB1C9C433F5 for ; Thu, 4 Nov 2021 12:39:57 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 8861961139 for ; Thu, 4 Nov 2021 12:39:57 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 8861961139 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bugzilla.kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 54ACC6EE86; Thu, 4 Nov 2021 12:39:56 +0000 (UTC) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id 00BFB6EE86 for ; Thu, 4 Nov 2021 12:39:54 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPS id C07E961205 for ; Thu, 4 Nov 2021 12:39:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1636029594; bh=iecfXihgFWKkld81jtce0SknBXlg8LCgCCO64CnVbgA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=PMFvZTXlMlY4iQR4u/KcdyF0HoPY2vA1a2jJkyubR5380P4zKSx9LbJDEii5K1re/ 3KSke9yZ8tboRquRLf8J1hRyb3fFTBvcIwGmHoNcVIhjznUtVJ2KyhAdAxQly971CY ouLU4NHsogcfm7YT1ZMwmxDMYNU20iS/0oQrr/a+QPMqkX74GDu40BnrluYqzxnSvu BTfhNNssyPzVD/PiyuI5LEqWLs0SFdPuRggkt28J5cUW4PUzECkEycMSgTyWFUQuD/ XExxmaRmbMQe8Oh3WGxluqEgqPTaXuGKb96aedFoixVREqoJuDL8t/H2SW1G516jpB aLHHFn1ZTu8Bw== From: bugzilla-daemon@bugzilla.kernel.org To: dri-devel@lists.freedesktop.org Subject: [Bug 214621] WARNING: CPU: 3 PID: 521 at drivers/gpu/drm/ttm/ttm_bo.c:409 ttm_bo_release+0xb64/0xe40 [ttm] Date: Thu, 04 Nov 2021 12:39:54 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_video-dri@kernel-bugs.osdl.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: Video(DRI - non Intel) X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: christian.koenig@amd.com X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: DUPLICATE X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_video-dri@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" https://bugzilla.kernel.org/show_bug.cgi?id=3D214621 --- Comment #13 from Christian K=C3=B6nig (christian.koenig@amd.com) --- (In reply to Lang Yu from comment #12) > The warning was just merged into mainline 5.15.0 on Tue Nov 2 16:47:49 > 2021(commit 56d33754481f). Not sure Erhard F.'s build contains this warni= ng.=20 Good point. > And we can also add a debug WARN() into amdgpu_dma_buf_pin() to see who > pinned dma_buf. I thought about that as well, the problem is that we call this function very often (e.g. 60 times a second if we play a 60fps video or similar). Saying that I could as well be misguided by the dma_buf_release() function = in the call stack. This could potentially also be a bug in DAL/DC where we for= get to unpin a BO in some situation. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=