8.1-STABLE: problem with unmounting ZFS snapshots
avg at freebsd.org
Fri Nov 12 12:13:24 UTC 2010
on 12/11/2010 13:57 Alexander Zagrebin said the following:
> 2. the umount is waiting for disk
> #ps | egrep 'PID|umount'
> PID TT STAT TIME COMMAND
> 958 0 D+ 0:00,04 umount /mnt
> # procstat -t 958
> PID TID COMM TDNAME CPU PRI STATE WCHAN
> 958 100731 umount - 3 133 sleep mntref
procstat -kk <pid>
> Can anybody confirm this issue?
> Any suggestions?
ktrace-ing umount could also be useful.
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