From: Paul Clements <Paul.Clements@SteelEye.com>
To: Dave Jones <davej@redhat.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: nbd oops on unload.
Date: Wed, 18 Feb 2004 01:00:29 -0500 [thread overview]
Message-ID: <4032FF7D.55D9935B@SteelEye.com> (raw)
In-Reply-To: 20040217224700.GE6242@redhat.com
Dave Jones wrote:
>
> modprobe nbd ; rmmod nbd was enough to reproduce this one..
> (2.6.3rc4)
hmmm...I'll look into it...out of curiosity, are you using any "unusual"
kernel config options? I've done the same test myself many times and
have not seen any problems...
--
Paul
> Dave
>
> nbd: registered device at major 43
> Unable to handle kernel paging request at virtual address 6b6b6baf
> printing eip:
> c01d3206
> *pde = 00000000
> Oops: 0000 [#2]
> CPU: 0
> EIP: 0060:[<c01d3206>] Not tainted
> EFLAGS: 00010202
> EIP is at kobject_hotplug+0x24/0x30
> eax: c02e9ff3 ebx: c36530d4 ecx: c36530d4 edx: 6b6b6b6b
> esi: c1f4f190 edi: 00000000 ebp: 00000000 esp: c44c5f24
> ds: 007b es: 007b ss: 0068
> Process rmmod (pid: 7597, threadinfo=c44c4000 task=c40b4650)
> Stack: c01d3486 c36530d4 c01d349d c3653084 c0224536 c3653084 c02276d0 c1f4f190
> c7c103dc c022857a c1f4f190 c0191001 c1f4f190 c7c12990 c7c0e4a4 c7c0fd80
> 00000000 c031acd8 c013a805 0064626e 00000000 c2cd62d8 c2cd62d8 b80d1000
> Call Trace:
> [<c01d3486>] kobject_del+0xf/0x1e
> [<c01d349d>] kobject_unregister+0x8/0x10
> [<c0224536>] elv_unregister_queue+0xf/0x1d
> [<c02276d0>] blk_unregister_queue+0x1b/0x36
> [<c022857a>] unlink_gendisk+0x8/0x19
> [<c0191001>] del_gendisk+0x45/0xc8
> [<c7c0e4a4>] nbd_cleanup+0x26/0x55 [nbd]
> [<c013a805>] sys_delete_module+0x168/0x18a
> [<c014ff4d>] unmap_vma_list+0xe/0x17
> [<c01503f9>] do_munmap+0x17d/0x189
> [<c010b697>] syscall_call+0x7/0xb
>
> Code: 83 7a 44 00 74 05 e9 9f fd ff ff c3 53 31 d2 89 c3 c7 40 18
>
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next prev parent reply other threads:[~2004-02-18 6:00 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-17 22:47 nbd oops on unload Dave Jones
2004-02-18 6:00 ` Paul Clements [this message]
2004-02-18 7:17 ` Jens Axboe
2004-02-18 17:39 ` Paul Clements
2004-02-18 22:03 ` nbd oops on unload. [PATCH x2] Paul Clements
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