From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C6DC1238D29; Fri, 7 Feb 2025 15:10:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738941031; cv=none; b=Kd+KtKosn5sboYDeup07QY9KaSPvLNgxGl9PhKhGNfFnv9tarbSdWSLxREmEk1VVwturVW3U2LWLEwN4yZ/jArglC8mxUUNJjIFwbC4cjVARndnGnclFNcAzJwb8aI42T979l2vmXCJK8G66onmWmQIjg3PdvgFR20mwv+mFXHc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738941031; c=relaxed/simple; bh=82Hn5Vv9+moRLz5/ytKgYhAzHehuPFQCaFbwqbElOfc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=knXherULmu8c65GKT70UEOwx070mDra83KAURVac/u6ytJQmbfgB7iwbZtisWlkfptae1tB6Du2QnFazAzf7578nkFLMBTfbntmMmI9NxxdjJ7gs2aavSWti28ouDGBrXVMofKcuWsxm74lVnPiQMKU3kH4hOvHD7KmC4gXi8CM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=MrEzHuiC; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="MrEzHuiC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4F34C4CED1; Fri, 7 Feb 2025 15:10:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1738941031; bh=82Hn5Vv9+moRLz5/ytKgYhAzHehuPFQCaFbwqbElOfc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=MrEzHuiC4XmPMEX/55C6UUY4OkcAhWwVpv5qLHhib5L9zeyBbxOzDdvY+Er82ur7g jf22Qfq+bVq2eXWI7cWN5ZchyR2BAQqgKzigs85G9ERMwMEwC1VTIwAvntoDAJFAiD fkw7oXWRkIP3wP99CE1JBt4ZGXK/xS3ASiNNYC1E= Date: Fri, 7 Feb 2025 16:10:28 +0100 From: Greg KH To: Chuck Lever Cc: rafael@kernel.org, "stable@vger.kernel.org" , linux-kernel@vger.kernel.org Subject: Re: queue-5.10: Panic on shutdown at platform_shutdown+0x9 Message-ID: <2025020722-joyfully-viewless-4b03@gregkh> References: <231c0362-f03e-4cef-8045-0787bca05d25@oracle.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <231c0362-f03e-4cef-8045-0787bca05d25@oracle.com> On Thu, Feb 06, 2025 at 01:31:42PM -0500, Chuck Lever wrote: > Hi - > > For the past 3-4 days, NFSD CI runs on queue-5.10.y have been failing. I > looked into it today, and the test guest fails to reboot because it > panics during a reboot shutdown: > > [ 146.793087] BUG: unable to handle page fault for address: > ffffffffffffffe8 > [ 146.793918] #PF: supervisor read access in kernel mode > [ 146.794544] #PF: error_code(0x0000) - not-present page > [ 146.795172] PGD 3d5c14067 P4D 3d5c15067 PUD 3d5c17067 PMD 0 > [ 146.795865] Oops: 0000 [#1] SMP NOPTI > [ 146.796326] CPU: 3 PID: 1 Comm: systemd-shutdow Not tainted > 5.10.234-g99349f441fe1 #1 > [ 146.797256] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS > 1.16.3-2.fc40 04/01/2014 > [ 146.798267] RIP: 0010:platform_shutdown+0x9/0x20 > [ 146.798838] Code: b7 46 08 c3 cc cc cc cc 31 c0 83 bf a8 02 00 00 ff > 75 ec c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 8b 47 > 68 <48> 8b 40 e8 48 85 c0 74 09 48 83 ef 10 ff e0 0f 1f 00 c3 cc cc cc > [ 146.801012] RSP: 0018:ff7f86f440013de0 EFLAGS: 00010246 > [ 146.801651] RAX: 0000000000000000 RBX: ff4f0637469df418 RCX: > 0000000000000000 > [ 146.802500] RDX: 0000000000000001 RSI: ff4f0637469df418 RDI: > ff4f0637469df410 > [ 146.803350] RBP: ffffffffb2e79220 R08: ff4f0637469dd808 R09: > ffffffffb2c5c698 > [ 146.804203] R10: 0000000000000000 R11: 0000000000000000 R12: > ff4f0637469df410 > [ 146.805059] R13: ff4f0637469df490 R14: 00000000fee1dead R15: > 0000000000000000 > [ 146.805909] FS: 00007f4e7ecc6b80(0000) GS:ff4f063aafd80000(0000) > knlGS:0000000000000000 > [ 146.806866] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 146.807558] CR2: ffffffffffffffe8 CR3: 000000010ecb2001 CR4: > 0000000000771ee0 > [ 146.808412] DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > [ 146.809262] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: > 0000000000000400 > [ 146.810109] PKRU: 55555554 > [ 146.810460] Call Trace: > [ 146.810791] ? __die_body.cold+0x1a/0x1f > [ 146.811282] ? no_context.constprop.0+0xf8/0x2f0 > [ 146.811854] ? exc_page_fault+0xc5/0x150 > [ 146.812342] ? asm_exc_page_fault+0x1e/0x30 > [ 146.812862] ? platform_shutdown+0x9/0x20 > [ 146.813362] device_shutdown+0x158/0x1c0 > [ 146.813853] __do_sys_reboot.cold+0x2f/0x5b > [ 146.814370] ? vfs_writev+0x9b/0x110 > [ 146.814824] ? do_writev+0x57/0xf0 > [ 146.815254] do_syscall_64+0x30/0x40 > [ 146.815708] entry_SYSCALL_64_after_hwframe+0x67/0xd1 > > Let me know how to further assist. Bisect?