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 DD8EEF4198D for ; Wed, 15 Apr 2026 17:27:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DECA310E16F; Wed, 15 Apr 2026 17:27:28 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="UMJr1meX"; dkim-atps=neutral Received: from tor.source.kernel.org (tor.source.kernel.org [172.105.4.254]) by gabe.freedesktop.org (Postfix) with ESMTPS id B76F210E16F for ; Wed, 15 Apr 2026 17:27:27 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id D8A5D600AD for ; Wed, 15 Apr 2026 17:27:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 683EAC19424 for ; Wed, 15 Apr 2026 17:27:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1776274046; bh=sFmp8HpmagSparr3wifvKhiCV4vygGhckqUFty+Mm3Q=; h=From:To:Subject:Date:From; b=UMJr1meXE4lnL9UK99O1Pq0MPoeEwla02q43TbKdxF+rY4jQRc+NlwoZmhaNeiAmi nuQeVUUZXhnLBpqESZD5ihWKRjjUzA4WiTmmFIcHwlSAAzj5zMezrn+DtEYXhkPaZk BOIS2Ibx4yUBDsUkFqA7yC5YLFdMKPqaMfgIC7QZy/Ax6+iHQqCdvNH5AAfmcOj1Qe f6+2GV3rTrqsWWfgBfIhNdVSrNeIHJ9estn+h7RYuoso2n66Ik5Y1CSC8WkMl20p07 aCXlW7Hz2jv5l94ZiglupzeJzcFYxKp+qN05KshWf44e9PxiFO8xKPVe1OJ6GErfgb tzUhi4B3PJEcA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 5D59FC4160E; Wed, 15 Apr 2026 17:27:26 +0000 (UTC) From: bugzilla-daemon@kernel.org To: dri-devel@lists.freedesktop.org Subject: [Bug 221369] New: AMDGPU VM_L2_PROTECTION_FAULT causes GPU hang and full system freeze (Firefox/WebRender) Date: Wed, 15 Apr 2026 17:27:26 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new 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: webmaster@ltspiceusers.ch X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: drivers_video-dri@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cf_regression attachments.created Message-ID: 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=3D221369 Bug ID: 221369 Summary: AMDGPU VM_L2_PROTECTION_FAULT causes GPU hang and full system freeze (Firefox/WebRender) Product: Drivers Version: 2.5 Hardware: AMD OS: Linux Status: NEW Severity: normal Priority: P3 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@kernel-bugs.osdl.org Reporter: webmaster@ltspiceusers.ch Regression: No Created attachment 309873 --> https://bugzilla.kernel.org/attachment.cgi?id=3D309873&action=3Dedit Full dmesg log captured immediately after the AMDGPU VM_L2_PROTECTION_FAULT freeze. The system freezes completely when Firefox (WebRender) triggers repeated AM= DGPU VM_L2_PROTECTION_FAULT loops.=20 The GPU enters a retry page fault loop and never recovers. The entire system becomes unresponsive and requires a hard reset. Hardware: VGA: Advanced Micro Devices, Inc. [AMD/ATI] Picasso/Raven 2 [Radeon Vega Se= ries / Vega Mobile] [1002:15d8] (rev c8) Kernel: 6.8.0-110-generic Distribution: Linux Mint 22.3 (Ubuntu 24.04 base) Reproduction steps: 1. Start Firefox 2. Open multiple tabs with video or WebGL content 3. Scroll or switch tabs 4. System freezes within 1=E2=80=935 minutes (intermittent) Relevant dmesg excerpt: amdgpu: [gfxhub0] retry page fault (src_id:0 ring:0 vmid:4 pasid:32775, pro= cess firefox-bin) VM_L2_PROTECTION_FAULT_STATUS:0x00441051 Faulty UTCL2 client ID: TCP (0x8) PERMISSION_FAULTS: 0x5 RW: 0x1 This sequence repeats in a tight loop until the system freezes. Full dmesg log can be attached if needed. --=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.=