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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28D9AC2BA19 for ; Mon, 6 Apr 2020 12:29:02 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [203.11.71.2]) (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 95FCD2192A for ; Mon, 6 Apr 2020 12:29:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 95FCD2192A Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bugzilla.kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 48wqbH2M8HzDqs8 for ; Mon, 6 Apr 2020 22:28:59 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=198.145.29.99; helo=mail.kernel.org; envelope-from=srs0=qm5j=5w=bugzilla.kernel.org=bugzilla-daemon@kernel.org; receiver=) Authentication-Results: lists.ozlabs.org; dmarc=none (p=none dis=none) header.from=bugzilla.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (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 48wqXW2BFdzDqq5 for ; Mon, 6 Apr 2020 22:26:35 +1000 (AEST) From: bugzilla-daemon@bugzilla.kernel.org To: linuxppc-dev@lists.ozlabs.org Subject: [Bug 207129] PowerMac G4 DP (5.6.2 debug kernel + inline KASAN) freezes shortly after booting with "do_IRQ: stack overflow: 1760" Date: Mon, 06 Apr 2020 12:26:32 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo platform_ppc-32@kernel-bugs.osdl.org X-Bugzilla-Product: Platform Specific/Hardware X-Bugzilla-Component: PPC-32 X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: erhard_f@mailbox.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: platform_ppc-32@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created 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=3D207129 --- Comment #2 from Erhard F. (erhard_f@mailbox.org) --- Created attachment 288229 --> https://bugzilla.kernel.org/attachment.cgi?id=3D288229&action=3Dedit screenshot01.jpg Without CONFIG_DEBUG_STACKOVERFLOW things are better. The rsync completes, = the G4 was building stuff for 2 hours or so until I got these errors and a hard freeze: [...] Oops: kernel stack overflow, sig: 11 [#1] BE PAGE_SIZE=3D4K MMU=3DHash SMP NR_CPUS=3D2 PowerMac Modules linked in: ... CPU: 1 PID: 17105 Comm: kworker/u4:5 Tainted: G W=20=20=20=20=20=20= =20 5.6.2-PowerMacG4+ #5 ------------[ cut here ]------------ kernel BUG at mm/usercopy.c:99! Oops: Exception in kernel mode, sig: 5 [#2] BE PAGE_SIZE=3D4K MMU=3DHash SMP NR_CPUS=3D2 PowerMac Modules linked in: ... CPU: 1 PID: 17185 Comm: kworker/u4:5 Tainted: G W=20=20=20=20=20=20= =20 5.6.2-PowerMacG4+ #5 usercopy: Kernel memory overwrite attempt detected to kernel text (offset 6= 336, size 4)! ------------[ cut here ]------------ kernel BUG at mm/usercopy.c:99! Oops: Exception in kernel mode, sig: 5 [#3] BE PAGE_SIZE=3D4K MMU=3DHash SMP NR_CPUS=3D2 PowerMac Modules linked in: ... CPU: 1 PID: 17185 Comm: kworker/u4:5 Tainted: G W=20=20=20=20=20=20= =20 5.6.2-PowerMacG4+ #5 usercopy: Kernel memory overwrite attempt detected to kernel text (offset 5= 336, size 4)! ------------[ cut here ]------------ kernel BUG at mm/usercopy.c:99! Oops: Exception in kernel mode, sig: 5 [#4] BE PAGE_SIZE=3D4K MMU=3DHash SMP NR_CPUS=3D2 PowerMac Modules linked in: ... CPU: 1 PID: 17185 Comm: kworker/u4:5 Tainted: G W=20=20=20=20=20=20= =20 5.6.2-PowerMacG4+ #5 usercopy: Kernel memory overwrite attempt detected to kernel text (offset 4= 336, size 4)! ------------[ cut here ]------------ kernel BUG at mm/usercopy.c:99! Oops: Exception in kernel mode, sig: 5 [#5] BE PAGE_SIZE=3D4K MMU=3DHash SMP NR_CPUS=3D2 PowerMac Modules linked in: ... Unrecoverable FP Unavailable Exception 801 at 9b8 CPU: 1 PID: 17185 Comm: kworker/u4:5 Tainted: G W=20=20=20=20=20=20= =20 5.6.2-PowerMacG4+ #5 usercopy: Kernel memory overwrite attempt detected to kernel text (offset 3= 336, size 4)! ------------[ cut here ]------------ Now running with CONFIG_THREAD_SHIFT=3D14 which runs fine so far... Did not= try without CONFIG_VMAP_STACK yet. --=20 You are receiving this mail because: You are watching the assignee of the bug.=