Re: hammer crash on cleanups

["Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>]

Redirecting to bugs@

Eugene wrote:
> Hello All.
> I've got a time-to-time reproducible panic while running cleanups on a 
> mirror built with hammer mirror-stream.
> I'm running a system built on -DEVELOPMENT sources from August, 9th 
> (uses SILI device) and a following system layout:
>
> /dev/da0s1a      /          ufs     rw  1  1
> /dev/da0s2b      none       swap    sw  0  0
> /dev/da0s2h      /HAMMER0   hammer  rw  2  2
> /HAMMER0/pfs/var /var       null    rw  2  2
> /dev/da1s1a      /mirror    ufs     rw  1  1 # not used
> /dev/da1s2b      none       swap    sw  0  0
> /dev/da1s2h      /HAMMER1   hammer  rw  2  2
> /HAMMER1/pfs/var /mirrorvar null    rw  2  2
> proc             /proc      procfs  rw  0  0
>
> A kernel panic occurs on running daily cleanups on a slave part of 
> mirror and I managed to reproduce it manually while executing %hammer 
> reblock and %hammer rebalance commands on a slave pfs after a day or two 
> of uptime.
> When running %hammer cleanup immediately after system boot-up, it always 
> runs fine and resumes with no error.
> I've attached a screenshot of a latest panic I've got while running 
> cleanup.
>
> If there can be any solution for this problem?

Which kernel version are you running?  Please post a uname -a output.

Also, please configure a dumpdev and capture a crash dump.

cheers
  simon

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