From: Andrew Morton <akpm@osdl.org>
To: Jan Dittmer <jdi@l4x.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: VFS: Busy inodes after unmount. Self-destruct in 5 seconds. Have a nice day...
Date: Tue, 7 Feb 2006 16:23:35 -0800 [thread overview]
Message-ID: <20060207162335.5304ae61.akpm@osdl.org> (raw)
In-Reply-To: <43E90573.8040305@l4x.org>
Jan Dittmer <jdi@l4x.org> wrote:
>
> Debian 2.6.15-1-686-smp
>
> $ umount /mnt/data
> Segmentation Fault
>
> dmesg:
>
> VFS: Busy inodes after unmount. Self-destruct in 5 seconds. Have a nice day...
> Unable to handle kernel NULL pointer dereference at virtual address 00000034
That was clever.
> printing eip:
> f88c7e07
> *pde = 00000000
> Oops: 0000 [#1]
> SMP
> Modules linked in: xfs rfcomm l2cap bluetooth nfsd exportfs lockd nfs_acl sunrpc ipv6 deflate zlib_deflate twofish serpent aes blowfish des sha256
> sha1 crypto_n ull af_key raid5 xor dm_mod tun vfat fat loop lp usbmouse eeprom i2c_dev i2c_isa i2c_core usbkbd usb_storage ehci_hcd button processor
> ac ide_cd cdrom e100 mii 3w_xxxx e1000 joydev piix serio_raw uhci_hcd generic parport_pc ide_core usbcore parport pcspkr psmouse rtc ext3 jbd mbcache
> raid1 md_mod sd_mod aic79xx scsi_tr ansport_spi scsi_mod shpchp pci_hotplug evdev mousedev
> CPU: 2
> EIP: 0060:[<f88c7e07>] Not tainted VLI
> EFLAGS: 00210282 (2.6.15-1-686-smp)
> EIP is at ext3_show_options+0x13/0xd5 [ext3]
> eax: 00000000 ebx: f7f1fe00 ecx: da82c540 edx: 00000000
> esi: da82c540 edi: da82c540 ebp: 00000400 esp: f7bcbf18
> ds: 007b es: 007b ss: 0068
> Process mv (pid: 4409, threadinfo=f7bca000 task=e9978a70)
> Stack: 00000000 dfd74c00 c01646cf da82c540 dfd74c00 da82c540 dfd74c00 00000143
> c0167ffd da82c540 dfd74c00 00000000 da82c560 0000000a 00000000 00000009
> 00000000 00000400 e64cea80 40019000 00000000 c014ca9d e64cea80 40019000
> Call Trace:
> [<c01646cf>] show_vfsmnt+0xcf/0xe6
> [<c0167ffd>] seq_read+0x199/0x26a
> [<c014ca9d>] vfs_read+0xa1/0x138
Have you any idea what `mv' was doing in ext3_show_options? I can only
think that something was doing `mv /proc/mounts somewhere-else', which is
odd.
next prev parent reply other threads:[~2006-02-08 0:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-07 20:39 Jan Dittmer
2006-02-08 0:23 ` Andrew Morton [this message]
2006-02-08 7:48 ` Jan Dittmer
2006-02-08 18:06 ` Balbir Singh
2006-02-08 22:42 ` Jan Dittmer
2006-02-09 4:02 ` Balbir Singh
-- strict thread matches above, loose matches on Subject: below --
2006-12-28 9:27 Jesper Juhl
2006-12-28 9:43 ` Jan Engelhardt
2006-12-28 10:32 ` Ian Kent
2001-07-29 19:13 David Ford
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