[Lustre-discuss] Kernel Panic on MDS

[Andreas Dilger]

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.