[Lustre-discuss] Kernel Panic on MDS

Wojciech Turek wjt27 at cam.ac.uk
Mon Jan 18 07:09:36 PST 2010


Thanks Andreas for quick answer. So upgrading to a newer version of
colletcl should fix it?

Cheers

Wojciech

2010/1/18 Andreas Dilger <adilger at sun.com>:
> On 2010-01-18, at 19:59, Wojciech Turek wrote:
>>
>> RHEL4 Lustre-1.6.6
>>
>> Does the kernel panic below rings a bell to anyone?
>>
>> RIP: 0010:[<ffffffff801af8f0>] <ffffffff801af8f0>{proc_pid_status+534}
>> Process collectl (pid: 13546, threadinfo 0000010416fc8000, task
>> Call Trace:<ffffffff801acfd3>{proc_info_read+85}
>>           <ffffffff80178dac>{vfs_read+207}
>>           <ffffffff80179008>{sys_read+69}
>>           <ffffffff80110236>{system_call+126}
>
>
> This looks like collectl reading from a /proc entry after it was cleaned
> up.  I think several such bugs were already fixed.
>
> Cheers, Andreas
> --
> Andreas Dilger
> Sr. Staff Engineer, Lustre Group
> Sun Microsystems of Canada, Inc.
>
>



-- 
--
Wojciech Turek

Assistant System Manager

High Performance Computing Service
University of Cambridge
Email: wjt27 at cam.ac.uk
Tel: (+)44 1223 763517



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