ZFS hang (system #2)
Andriy Gapon
avg at FreeBSD.org
Sat Oct 20 22:17:25 UTC 2012
on 20/10/2012 23:31 Dennis Glatting said the following:
> The following is from a second system working on a 7TB file (started this
> morning), which also hung. However, an important difference is this system's CPU
> is slightly over clocked from 3.6GHz to 4.0GHz; However, prior not over clocking
> made no difference -- it still hanged.
>
> This system has a Gigabyte GA-990FXA-UD7 board.
To me this again looks like an issue with a stuck zio/bio, and not a deadlock.
> bd3# /mnt/camcontrol tags da7 -v (** OS - RAID1 **)
> (pass7:mps1:0:0:0): dev_openings 215
> (pass7:mps1:0:0:0): dev_active 40
> (pass7:mps1:0:0:0): devq_openings 215
> (pass7:mps1:0:0:0): devq_queued 0
> (pass7:mps1:0:0:0): held 0
> (pass7:mps1:0:0:0): mintags 2
> (pass7:mps1:0:0:0): maxtags 255
Of all the disks this one looks the most suspicious, of course.
Do you have the zio/bio debug patch there and usable kgdb?
--
Andriy Gapon
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