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 135BBC6FD18 for ; Tue, 18 Apr 2023 13:12:45 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4Q148q24hMz3fSt for ; Tue, 18 Apr 2023 23:12:43 +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=MnK8nL2a; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org (client-ip=2604:1380:4641:c500::1; helo=dfw.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=MnK8nL2a; dkim-atps=neutral Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) (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 4Q147s5hFFz3cS4 for ; Tue, 18 Apr 2023 23:11:53 +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 dfw.source.kernel.org (Postfix) with ESMTPS id BD6546286C for ; Tue, 18 Apr 2023 13:11:50 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 300FFC433EF for ; Tue, 18 Apr 2023 13:11:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1681823510; bh=SNTrR7HxRYpp2xaH8LREU9KKdrSnGkM8A+wDgWYlmBg=; h=From:To:Subject:Date:From; b=MnK8nL2alNTov2DPqpkH4uES3H08nShbTY2q6T0c13U3y62utCeApbWhOuadtJa88 LfqIQrO3a78QRP9hikvCnDwLaD1QZP9oG1YHvR5DPTPMeY0niC42IZvJ2KwyO8qIxM oE1bM8QoVeCocYWefpeg51LpJvpJPq1G1Hro/GcrzGkAkMm8oCfPIUjRO1kU81jw/C +JtntoPtqV56vzgO/cRtNqGCiEEGMZWkraL8X8RELkn/8K5tHiCSKs1Jt7oyPbS5wv tgOqAAtbExxiAOw92P1N7qoNt0Xij3iRq7aug5NkpJcxntAD60m9am9iKEdU8LLU+1 MLfDFQKWlL/Bg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 128B2C43142; Tue, 18 Apr 2023 13:11:50 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linuxppc-dev@lists.ozlabs.org Subject: [Bug 217350] New: kdump kernel hangs in powerkvm guest Date: Tue, 18 Apr 2023 13:11:49 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new 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: piliu@redhat.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: platform_ppc-64@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: 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=3D217350 Bug ID: 217350 Summary: kdump kernel hangs in powerkvm guest Product: Platform Specific/Hardware Version: 2.5 Hardware: PPC-64 OS: Linux Status: NEW Severity: normal Priority: P3 Component: PPC-64 Assignee: platform_ppc-64@kernel-bugs.osdl.org Reporter: piliu@redhat.com Regression: No Created attachment 304157 --> https://bugzilla.kernel.org/attachment.cgi?id=3D304157&action=3Dedit The xml to configure the virtual machine This bug has been observed at least since kernel version 5.19. The kdump kernel command line: [ 0.000000] Kernel command line: elfcorehdr=3D0x22c00000 no_timer_check net.ifnames=3D0 console=3Dtty0 console=3Dhvc0,115200n8 irqpoll maxcpus=3D1 noirqdistrib reset_devices cgroup_disable=3Dmemory numa=3Doff udev.children-max=3D2 ehea.use_mcs=3D0 panic=3D10 kvm_cma_r= esv_ratio=3D0 transparent_hugepage=3Dnever novmcoredd hugetlb_cma=3D0=20 Finally, the system hangs: [ 7.763260] virtio_blk virtio2: 32/0/0 default/read/poll queues [ 7.771391] virtio_blk virtio2: [vda] 20971520 512-byte logical bloc= ks (10.7 GB/10.0 GiB) [ 68.398234] systemd-udevd[187]: virtio2: Worker [190] processing SEQNUM=3D1193 is taking a long time [ 188.398258] systemd-udevd[187]: virtio2: Worker [190] processing SEQNUM=3D1193 killed --=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.=