FreeBSD 7-STABLE deadlock!

[John Baldwin]

On Monday 16 June 2008 07:21:15 am Lev Serebryakov wrote:
> Lev Serebryakov wrote:
> >  It seems to be ATA/SATA or UFS2 problem: now I have computer in state,
> > when 4 iozone processes are hanged in "Disk wait" state, and I can not
> > "cd" to filesystem, which is tested by "iozone".
> >  But I can create processes, work on system, etc., if I don't touch this
> > filesystem.
>
>    I can reproduce it, creating gmirror on 5 disks (yes, not very useful
> configuration, but I've started from non-base-system RAID5 and need to
> exclude it), FS with 64Kb blocks, and 4 threads of iozone with mixed
> workload (-i 8 -+p 70).
>
>    All 5 disks are ICH9DO-based, SATA-II WD5000AAKS HDDs.

Try getting the 'ps' output from ddb.  Also, get a crash dump if you can.

-- 
John Baldwin