Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750854AbVLLUW6 (ORCPT ); Mon, 12 Dec 2005 15:22:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750936AbVLLUW6 (ORCPT ); Mon, 12 Dec 2005 15:22:58 -0500 Received: from smtp.osdl.org ([65.172.181.4]:42136 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1750854AbVLLUW5 (ORCPT ); Mon, 12 Dec 2005 15:22:57 -0500 Date: Mon, 12 Dec 2005 12:22:26 -0800 From: Andrew Morton To: Stephen Hemminger Cc: trond.myklebust@fys.uio.no, linux-kernel@vger.kernel.org Subject: Re: oops on shutdown. Message-Id: <20051212122226.4d47dde8.akpm@osdl.org> In-Reply-To: <20051212114246.09c4b172@unknown-222.office.pdx.osdl.net> References: <20051212114246.09c4b172@unknown-222.office.pdx.osdl.net> X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3299 Lines: 49 Stephen Hemminger wrote: > > This is a 2 CPU Opteron box. It hung on a basic shutdown reboot > running 2.6.15-rc5. It doesn't look related to the sky2 driver. > I had a couple of nfs client mounts. > > > [264357.575968] nfsd: last server has exited > [264357.589641] nfsd: unexporting all filesystems > [264357.605047] RPC: failed to contact portmap (errno -5). > [264362.028736] sky2 eth1: disabling interface > [264369.044649] Unable to handle kernel NULL pointer dereference at 0000000000000001 RIP: > [264369.063676] {find_get_pages+87} > [264369.088376] PGD 7d698067 PUD 7dc0a067 PMD 0 > [264369.103310] Oops: 0000 [1] SMP > [264369.114347] CPU 0 > [264369.121489] Modules linked in: nfsd exportfs binfmt_misc video thermal processor fan button battery ac ohci_hcd ehci_hcd i2c_amd8111 i2c_amd756 i2c_core snd_intel8x0 snd_ac97_codec snd_ac97_bus snd_seq_dummy snd_seq_oss snd_seq_midi_event snd_seq snd_seq_device snd_pcm_oss snd_mixer_oss snd_pcm snd_timer snd soundcore snd_page_alloc sky2 tg3 usbcore > [264369.180541] Pid: 11776, comm: umount Not tainted 2.6.15-rc5 #1 > [264369.180544] RIP: 0010:[] {find_get_pages+87} > [264369.180553] RSP: 0018:ffff81007d9d9c48 EFLAGS: 00010002 > [264369.180556] RAX: 000000000000086c RBX: 0000000000000002 RCX: ffff81007d9d9ce0 > [264369.180558] RDX: 0000000000000001 RSI: 0000000000000001 RDI: 0000000000000002 > [264369.180561] RBP: ffff81007d9d9c78 R08: 0000000000000000 R09: 0000000000000040 > [264369.180564] R10: ffff8100005ef4b0 R11: 0000000000000002 R12: 000000000000000e > [264369.180567] R13: 0000000000000000 R14: ffff81007d9d9cd8 R15: ffff8100006cd6c0 > [264369.180571] FS: 00002aaaaaac5e80(0000) GS:ffffffff805ae800(0000) knlGS:0000000000000000 > [264369.180574] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > [264369.180577] CR2: 0000000000000001 CR3: 000000007c2d8000 CR4: 00000000000006e0 > [264369.180580] Process umount (pid: 11776, threadinfo ffff81007d9d8000, task ffff81005aa300c0) > [264369.180583] Stack: ffff81007d9d9c58 ffff81007d9d9cc8 0000000000000000 ffff81007d9d9dc8 > [264369.180588] 0000000000006fb4 ffff8100006cd6a8 ffff81007d9d9c98 ffffffff8016657f > [264369.180594] 0000000000000018 ffff8100006cd558 > [264369.180597] Call Trace:{pagevec_lookup+31} {truncate_inode_pages+252} > [264369.180611] {dispose_list+90} {invalidate_inodes+257} > [264369.180624] {generic_shutdown_super+154} {kill_block_super+48} > [264369.180635] {deactivate_super+108} {mntput_no_expire+88} > [264369.180643] {path_release_on_umount+29} {sys_umount+639} > [264369.180651] {system_call+126} Damn, that's a weird place to be oopsing. NFS doesn't call kill_block_super(), so it might be a different fs. Is it repeatable? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/