ZFS v28: mount dataset hangs

[Sergey Gavrilov]

PID    TID COMM             TDNAME           KSTACK
   29 100137 zfskern          arc_reclaim_thre mi_switch+0x176
sleepq_timedwait+0x42 _cv_timedwait+0x134 arc_reclaim_thread+0x29d
fork_exit+0x11f fork_trampoline+0xe
   29 100138 zfskern          l2arc_feed_threa mi_switch+0x176
sleepq_timedwait+0x42 _cv_timedwait+0x134 l2arc_feed_thread+0x1a8
fork_exit+0x11f fork_trampoline+0xe
   29 100305 zfskern          txg_thread_enter mi_switch+0x176
sleepq_wait+0x42 _cv_wait+0x129 txg_thread_wait+0x79 txg_quiesce_thread+0xb5
fork_exit+0x11f fork_trampoline+0xe
   29 100306 zfskern          txg_thread_enter mi_switch+0x176
sleepq_timedwait+0x42 _cv_timedwait+0x134 txg_thread_wait+0x3c
txg_sync_thread+0x269 fork_exit+0x11f fork_trampoline+0xe
   29 100473 zfskern          txg_thread_enter mi_switch+0x176
sleepq_wait+0x42 _cv_wait+0x129 txg_quiesce_thread+0x1fb fork_exit+0x11f
fork_trampoline+0xe
   29 100474 zfskern          txg_thread_enter mi_switch+0x176
sleepq_wait+0x42 _cv_wait+0x129 txg_thread_wait+0x79 txg_sync_thread+0x2f0
fork_exit+0x11f fork_trampoline+0xe
   29 100641 zfskern          txg_thread_enter mi_switch+0x176
sleepq_wait+0x42 _cv_wait+0x129 txg_thread_wait+0x79 txg_quiesce_thread+0xb5
fork_exit+0x11f fork_trampoline+0xe
   29 100642 zfskern          txg_thread_enter mi_switch+0x176
sleepq_timedwait+0x42 _cv_timedwait+0x134 txg_thread_wait+0x3c
txg_sync_thread+0x269 fork_exit+0x11f fork_trampoline+0xe

2011/10/7 Xin LI <delphij at gmail.com>

> Hi,
>
> On Fri, Oct 7, 2011 at 12:52 AM, Sergey Gavrilov <srg.gavrilov at gmail.com>
> wrote:
> > There are too many running processes right now. Will it be enough
> procstat
> > for hanged process only?
>
> No but output from procstat -kk 29 is likely to be helpful if you
> can't paste the full traces.
>
> Cheers,
> --
> Xin LI <delphij at delphij.net> https://www.delphij.net/
> FreeBSD - The Power to Serve! Live free or die
>



-- 
Best regards,
Sergey Gavrilov