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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (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 CCAEBC433EF for ; Sun, 10 Apr 2022 22:48:25 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Kc6bD1cpgz3bqR for ; Mon, 11 Apr 2022 08:48:24 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=fGsSrpWr; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=145.40.68.75; helo=ams.source.kernel.org; envelope-from=bugzilla-daemon@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=fGsSrpWr; dkim-atps=neutral Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4Kc6ZS2Mfgz2xZW for ; Mon, 11 Apr 2022 08:47:44 +1000 (AEST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id EB96DB80EC8 for ; Sun, 10 Apr 2022 22:47:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 93DC1C385A5 for ; Sun, 10 Apr 2022 22:47:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1649630858; bh=tJ41C9fMx59N72LY85YKko5+/Bbs/yuA1b0jQIrr5tA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=fGsSrpWrPE2DEWrcSMQDF6hHOWuE9FLe/ZfWd9nk5aWzFBYPUYm0VMhVH5Y5XI4D/ 8eP83MTizaG7KTnOM4SU0QU85G48Cqn84ztq7TzqjEMfyBDWWsCruf4Lrs/wdzirKd ugVHHhbfN/Y/fDEdsGwHDDKa/zBmBRU0xc/ucYyb2Nh3Xb78N3KKnaBBldacSUMmS6 kQkfqJRbPmbrzJHjqTcYoFVZ2a6RP9yT3ocUdm0U0I/gn4iVDpxPZnIes22QcXV846 ySRtS3/Wp0imM8/gdOivDlriJnTJX3RSmvhlcRzGOgzaL/jEXPhUI7pIwujWv6vI3d 4n3yGzDG9y+sw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 82F17C05FD4; Sun, 10 Apr 2022 22:47:38 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linuxppc-dev@lists.ozlabs.org Subject: [Bug 215803] ppc64le(P9): BUG: Kernel NULL pointer dereference on read at 0x00000060 NIP: do_remove_conflicting_framebuffers+0x184/0x1d0 Date: Sun, 10 Apr 2022 22:47:38 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo platform_ppc-64@kernel-bugs.osdl.org X-Bugzilla-Product: Platform Specific/Hardware X-Bugzilla-Component: PPC-64 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: linux@octaforge.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: platform_ppc-64@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: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" https://bugzilla.kernel.org/show_bug.cgi?id=3D215803 --- Comment #4 from Daniel Kolesa (linux@octaforge.org) --- Also, just to be clear, reverting the commit I linked above does fix the problem for me. Here is a patch you can quickly test: https://gist.github.com/q66/da01b4baecfdc24cd8fa3253d4e7f05a --=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.=