[Bug 193803] zvol promote failing

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun Sep 28 18:25:12 UTC 2014


--- Comment #2 from kash at tripleback.net ---
It appears this is not dependent on 'promote' being used, I just hit the bug
again when running 10 rename commands very closely together. 

Thing is, it did not crash the first three times I ran the commands, but it did
crash on the fourth. This is a trend I have observed. After a reboot, the
commands will run, but if you do it too many times, it will stop working.

(In reply to Gavin Atkinson from comment #1)
> Hi,
> When the system is in a hung state, can you please show the output of
> ps -auxwww -O wchan |grep zfs
> And for each process listed, run "procstat -kk [pid]"
> It would also be interesting to know if there is any disk activity while in
> the hung state.  "iostat -t da -c 5 5" should do it.
> Thanks,
> Gavin

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