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Re: [Linux-cluster] kernel panic



Hi,

I keep getting the below crash every few weeks. Is this a known issue? I
wasnt able to find anything in bugzilla. 


Thanks,
Brian

On Thu, 2007-02-08 at 07:26 -0800, Brian Pontz wrote:
> I got the following kernel panic last night on one of
> my cluster nodes. Does this look like a known bug?
> I'll try and give some other useful info and let me
> know if you need any other info.
> 
> OS: CentOS release 4.4 (Final)
> 
> uname -a
> Linux scylla1 2.6.9-42.0.3.ELsmp #1 SMP Fri Oct 6
> 06:21:39 CDT 2006 i686 i686 i386 GNU/Linux
> 
> ---------------------------------------------------
> Feb  7 18:28:59 scylla1 clurgmgrd: [4346]: <info>
> Executing /etc/init.d/httpd status
> Feb  7 18:28:59 scylla1 clurgmgrd: [4346]: <info>
> Executing /etc/init.d/mysqld status
> Feb  7 18:29:00 scylla1 kernel: Unable to handle
> kernel NULL pointer dereference at virtual address
> 00000000
> Feb  7 18:29:00 scylla1 kernel:  printing eip:
> Feb  7 18:29:00 scylla1 kernel: f8c743a6
> Feb  7 18:29:00 scylla1 kernel: *pde = 00004001
> Feb  7 18:29:00 scylla1 kernel: Oops: 0000 [#1]
> Feb  7 18:29:00 scylla1 kernel: SMP
> Feb  7 18:29:00 scylla1 kernel: Modules linked in:
> iptable_filter ip_tables nfs nfsd exportfs lockd
> nfs_acl parport_pc lp parport autofs4 i2c_dev i2c_core
> lock_dlm(U) gfs
> (U) lock_harness(U) dlm(U) cman(U) sunrpc dm_mirror
> dm_multipath dm_mod button battery ac md5 ipv6
> uhci_hcd ehci_hcd hw_random tg3 floppy ext3 jbd cciss
> sd_mod scsi_mod
> Feb  7 18:29:00 scylla1 kernel: CPU:    1
> Feb  7 18:29:00 scylla1 kernel: EIP:   
> 0060:[<f8c743a6>]    Not tainted VLI
> Feb  7 18:29:00 scylla1 kernel: EFLAGS: 00010206  
> (2.6.9-42.0.3.ELsmp)
> Feb  7 18:29:00 scylla1 kernel: EIP is at
> gfs_glock_dq+0xaf/0x16e [gfs]
> Feb  7 18:29:00 scylla1 kernel: eax: d3758b30   ebx:
> d3758b24   ecx: f7f46400   edx: 00000000
> Feb  7 18:29:00 scylla1 kernel: esi: 00000000   edi:
> d3758b08   ebp: f6a8b41c   esp: e9adae98
> Feb  7 18:29:00 scylla1 kernel: ds: 007b   es: 007b  
> ss: 0068
> Feb  7 18:29:00 scylla1 kernel: Process ypserv (pid:
> 31510, threadinfo=e9ada000 task=f387c130)
> Feb  7 18:29:00 scylla1 kernel: Stack: 0219c74e
> ee98019c f8ca96a0 f8945000 f6a8b41c f6a8b41c f6a8b404
> f6a8b400
> Feb  7 18:29:00 scylla1 kernel:        f8c747aa
> f1cb7280 f8c8945c e9adaeec f1cb7280 00000000 00000007
> f1cb7280
> Feb  7 18:29:00 scylla1 kernel:        f8c894d0
> f1cb7280 f8ca98e0 efeb2e20 c016e8ac 00000000 00000000
> 00000000
> Feb  7 18:29:00 scylla1 kernel: Call Trace:
> Feb  7 18:29:00 scylla1 kernel:  [<f8c747aa>]
> gfs_glock_dq_uninit+0x8/0x10 [gfs]
> Feb  7 18:29:00 scylla1 kernel:  [<f8c8945c>]
> do_unflock+0x4f/0x61 [gfs]
> Feb  7 18:29:00 scylla1 kernel:  [<f8c894d0>]
> gfs_flock+0x62/0x76 [gfs]
> Feb  7 18:29:00 scylla1 kernel:  [<c016e8ac>]
> locks_remove_flock+0x49/0xe1
> Feb  7 18:29:00 scylla1 kernel:  [<c015bbc2>]
> __fput+0x41/0x100
> Feb  7 18:29:00 scylla1 kernel:  [<c015a7f5>]
> filp_close+0x59/0x5f
> Feb  7 18:29:00 scylla1 kernel:  [<c0123b5b>]
> put_files_struct+0x57/0xc0
> Feb  7 18:29:00 scylla1 kernel:  [<c012476f>]
> do_exit+0x245/0x404
> Feb  7 18:29:00 scylla1 kernel:  [<c0124a19>]
> sys_exit_group+0x0/0xd
> Feb  7 18:29:00 scylla1 kernel:  [<c02d47cb>]
> syscall_call+0x7/0xb
> Feb  7 18:29:00 scylla1 kernel: Code: f8 ba 57 85 c9
> f8 68 2d 82 c9 f8 8b 44 24 14 e8 e0 1e 02 00 59 5b f6
> 45 15 08 74 06 f0 0f ba 6f 08 04 f6 45 15 04 74 38 8b
> 57 28 <8b
> > 02 0f 18 00 90 8d 47 28 39 c2 74 0b ff 04 24 89 54
> 24 04 8b
> Feb  7 18:29:00 scylla1 kernel:  <0>Fatal exception:
> panic in 5 seconds
> 
> --
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> 


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