kern/151648: [zfs] disk wait bug

[Andriy Gapon]

The following reply was made to PR kern/151648; it has been noted by GNATS.

From: Andriy Gapon <avg at freebsd.org>
To: Bartosz Nowicki <b.nowicki at admin.net.pl>
Cc: bug-followup at freebsd.org
Subject: Re: kern/151648: [zfs] disk wait bug
Date: Mon, 25 Oct 2010 09:02:31 +0300

 on 24/10/2010 23:10 Bartosz Nowicki said the following:
 > Dnia 24-10-2010 o 10:12:59 Andriy Gapon <avg at freebsd.org> napisał(a):
 > 
 >> I believe that the threads you showed so far are "secondary victims".
 >> I think that there should be a primary victim that got stuck while holding some
 >> locks and now other threads get stuck on those locks.
 >>
 >> Could you please check in procstat -kk -a if there are any threads in zio_wait
 >> call.  Also, you can send the full output to me privately.
 > 
 > Hi Andriy,
 > There are no threads in zio_wait state. Full output from procstat attached.
 
 Please try upgrading to a more recent version of stable/8, particularly you want
 revision r213924 from 2010-10-16.
 Please let us know if that helps.
 Thank you!
 -- 
 Andriy Gapon