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Re: ext3 kernel panic



Jack Neely wrote:
> Folks,
> 
> I have a RHEL 3 production Cyrus IMAP server that has kernel paniced
> twice in as many weeks with something similar to the below.  The /imap
> partition (where the IO was in question) is about 98% full with about
> 6.2G free and is hosted on a fiber connected EMC Clariion lun.
> Currently running kernel 2.4.21-15.0.4.ELsmp.
> 
> I know things are old here, and the machine is on the upgrade list, but
> I need to do due diligence to figure out how serious this error is.
> Does anyone have any advice why this is happening?
> 
> Thanks,
> Jack Neely
> 

That's not only an old distro, but an un-updated installation.  I'd get
the latest RHEL3 kernel and peruse the changelog, for starters, to see
if it looks like this might have been fixed (although I don't see
anything offhand).

-Eric

> Unable to handle kernel NULL pointer dereference at virtual address 00000004
>  printing eip:
> f88d2863
> *pde = 299d3001
> *pte = 00000000
> Oops: 0002
> audit autofs openafs e1000 iptable_filter ip_tables floppy microcode emcphr emcpmpap emcpmpaa emcpmpc emcpmp sg emcp emcpsf loop lvm-mod keybdev mousedev hid 
> CPU:    0
> EIP:    0060:[<f88d2863>]    Tainted: P 
> EFLAGS: 00010213
> 
> EIP is at ext3_orphan_del [ext3] 0x73 (2.4.21-15.0.4.ELsmp/i686)
> eax: c520d360   ebx: e3fc8900   ecx: e3fc8aac   edx: 00000000
> esi: 00000000   edi: c520d000   ebp: c520d360   esp: eed8fddc
> ds: 0068   es: 0068   ss: 0068
> Process imapd (pid: 7628, stackpage=eed8f000)
> Stack: e4de9940 eed8e000 c69b6200 e9ffde00 f88b8445 000f8094 c520d0fc e1ee4e80 
>        00000007 00000292 e3fc8900 00000000 eed8e000 f88cc72c c69b6200 e3fc8900 
>        e4de9940 eed8e000 e9ffde00 f88cc84c e4de9940 e3fc8900 ee6d7500 e3fc8900 
> Call Trace:   [<f88b8445>] journal_start_Rsmp_25661df5 [jbd] 0xa5 (0xeed8fdec)
> [<f88cc72c>] start_transaction [ext3] 0x8c (0xeed8fe10)
> [<f88cc84c>] ext3_delete_inode [ext3] 0x8c (0xeed8fe28)
> [<f88cc7c0>] ext3_delete_inode [ext3] 0x0 (0xeed8fe3c)
> [<c017ccd0>] iput [kernel] 0x150 (0xeed8fe44)
> [<c0179afa>] dput [kernel] 0xca (0xeed8fe60)
> [<c0161a5b>] __fput [kernel] 0xbb (0xeed8fe74)
> [<c015fc0e>] filp_close [kernel] 0x8e (0xeed8fe90)
> [<c012bf6c>] put_files_struct [kernel] 0x6c (0xeed8feac)
> [<c012c85a>] do_exit [kernel] 0x1ba (0xeed8fec8)
> [<c012cbbb>] do_group_exit [kernel] 0x8b (0xeed8fee4)
> [<c013656b>] get_signal_to_deliver [kernel] 0x20b (0xeed8fef8)
> [<c010bdd4>] do_signal [kernel] 0x64 (0xeed8ff20)
> [<c0175a56>] sys_select [kernel] 0x296 (0xeed8ff60)
> 
> Code: 89 42 04 89 10 c7 41 04 00 00 00 00 89 8b ac 01 00 00 89 8b
> 
> Kernel panic: Fatal exception
> 


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