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Subject: RE: kernel crash
Date: Wed, 7 Nov 2007 10:45:56 -0800
Message-ID: <BB375AF679D4A34E9CA8DFA650E2B04E06793E59@onstor-exch02.onstor.net>
In-Reply-To: <20071107104350.6ba40e8f@ripper.onstor.net>
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Thread-Topic: kernel crash
Thread-Index: AcghbiPFPAIwHB+lSk2zXZqgNV9RUwAAA2SQ
References: <BB375AF679D4A34E9CA8DFA650E2B04E06793D8C@onstor-exch02.onstor.net> <20071107104350.6ba40e8f@ripper.onstor.net>
From: "Maxim Kozlovsky" <maxim.kozlovsky@onstor.com>
To: "Andy Sharp" <andy.sharp@onstor.com>

Nothing, just run a couple of our applications.=20

>-----Original Message-----
>From: Andy Sharp
>Sent: Wednesday, November 07, 2007 10:44 AM
>To: Maxim Kozlovsky
>Subject: Re: kernel crash
>
>Damn, dude, what did you do?
>
>On Wed, 7 Nov 2007 09:37:03 -0800 "Maxim Kozlovsky"
><maxim.kozlovsky@onstor.com> wrote:
>
>> Kernel unaligned instruction access[#1]:
>> Cpu 0
>> $ 0   : 0000000000000000 0000000010001fe1 a8000000049b62e0
>> 000000002b7d2b04
>> $ 4   : 000000002aaeb000 0000000000000004 0000000000000000
>> 000000000000000f
>> $ 8   : ffffffff822d44f0 ffffffff823364e0 0000000000000000
>> 0000000000000000
>> $12   : 0000000010001fe1 000000001000001e a8000000049c8350
>> ffffffff8000003f
>> $16   : a80000008d810670 0000000000000000 000000000000000f
>> a80000008d2bce20
>> $20   : a80000008d2bce20 0000000000000000 ffffffff823364e0
>> a80000008cddc3d8
>> $24   : 0000000000000001 000000000000524b
>>
>> $28   : a80000008cdec000 a80000008cdef580 0000000000000003
>> ffffffff8205ba80
>> Hi    : 00000000001a6997
>> Lo    : 000000000008cddd
>> epc   : 000000000000524b 0x524a     Not tainted
>> ra    : ffffffff8205ba80 do_page_cache_readahead+0x40/0xa8
>> Status: 10001fe3    KX SX UX KERNEL EXL IE
>> Cause : 00808010
>> BadVA : 000000000000524b
>> PrId  : 00040103
>> Modules linked in:
>> Process cluster_contrl (pid: 781, threadinfo=3Da80000008cdec000,
>> task=3Da80000000493b7c8)
>> Stack : 0000000000000000 a80000008d810670 0000000000000003
>> a80000008d2bce80
>>         ffffffff82055ecc a8000000049ae5c0 a80000008d810560
>> a80000008cdef610
>>         a80000008cdd0ae0 0000000000000000 a80000008cddd9c0
>> 000000002b938e34
>>         a80000008e98d080 a80000008cddc3d8 0000000000000000
>> 00000000000009c0
>>         a80000008d810670 ffffffff8206381c 0000000000000002
>> ffffffff823305e8
>>         000000002b938000 ffffffff82330000 0000000000000000
>> 0000000000000000
>>         ffffffff8202a39c ffffffff820062b8 000000002b938e34
>> a80000008cddc3d8
>>         a80000000493b7c8 a80000008e98d080 a80000008cdef770
>> 0000000000000000
>>         a80000008e98d0e0 0000000000000001 0000000000000000
>> ffffffff82011838
>>         0003000200000000 0000000000000000 ffffffff822d47c0
>> 00000000000200d2
>>         ...
>> Call Trace:
>> [<ffffffff82055ecc>] filemap_nopage+0x144/0x3d0
>> [<ffffffff8206381c>] __handle_mm_fault+0x38c/0xcb0
>> [<ffffffff8202a39c>] __do_softirq+0x94/0x140
>> [<ffffffff820062b8>] timer_interrupt+0x118/0x170
>> [<ffffffff82011838>] do_page_fault+0x158/0x3e0
>> [<ffffffff820fb988>] nfs_create_request+0x60/0x1d8
>> [<ffffffff820fb8c8>] nfs_unlock_request+0x60/0x78
>> [<ffffffff82100004>] nfs_writepage_setup+0x12c/0x4f8
>> [<ffffffff82001840>] ret_from_exception+0x0/0x20
>> [<ffffffff8214d044>] memset_partial+0x20/0x50
>> [<ffffffff82224764>] rpc_init_task+0x44/0x1a0
>> [<ffffffff822247e0>] rpc_init_task+0xc0/0x1a0
>> [<ffffffff820fefec>] nfs_write_rpcsetup+0xe4/0x1c0
>> [<ffffffff821010fc>] nfs_flush_one+0xd4/0x148
>> [<ffffffff820fb2f0>] nfs_pageio_doio+0x60/0xa0
>> [<ffffffff820fb3a0>] nfs_pageio_add_request+0x70/0x178
>> [<ffffffff820ff324>] nfs_page_async_flush+0x174/0x198
>> [<ffffffff82100458>] nfs_writepage_locked+0x88/0x1a0
>> [<ffffffff820556ac>] generic_file_aio_write+0x74/0x138
>> [<ffffffff82100588>] nfs_writepage+0x18/0x40
>> [<ffffffff820595dc>] __writepage+0x1c/0x90
>> [<ffffffff820598d0>] clear_page_dirty_for_io+0x80/0x110
>> [<ffffffff82059df8>] write_cache_pages+0x298/0x3d0
>> [<ffffffff820595c0>] __writepage+0x0/0x90
>> [<ffffffff820ff6c8>] nfs_writepages+0x60/0x90
>> [<ffffffff82101028>] nfs_flush_one+0x0/0x148
>> [<ffffffff821006f4>] nfs_wb_all+0x6c/0xd8
>> [<ffffffff820f5d24>] nfs_file_flush+0x94/0xf0
>> [<ffffffff82078068>] filp_close+0x48/0xb0
>> [<ffffffff82080180>] do_coredump+0x4d0/0x750
>> [<ffffffff8203c648>] autoremove_wake_function+0x0/0x48
>> [<ffffffff82032b3c>] get_signal_to_deliver+0x33c/0x450
>> [<ffffffff82004758>] do_notify_resume+0x80/0x2d8
>> [<ffffffff8207b090>] sys_write+0x50/0x98
>> [<ffffffff8200cad4>] sys32_rt_sigprocmask+0xcc/0x1a8
>> [<ffffffff820019f8>] work_notifysig+0xc/0x14
