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Date:      Wed, 08 May 2019 21:44:32 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 237636] bhyve guest ZFS filesystem freezes in zcw->zcw_cv state
Message-ID:  <bug-237636-227-Mu2rFHfiyI@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-237636-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-237636-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237636

--- Comment #4 from Morgan Davis <freebsd-bugs@morgandavis.net> ---
This happened again today while running rsync.  But this time a Control-T
reports a different state: zio->io_cv

load: 0.04  cmd: rsync 98579 [zio->io_cv] 89.97r 0.04u 0.09s 0% 8108k

No luck getting a procstat to run -- it just locks up upon issuing the comm=
and,
and it is highly unlikely this is possible once the system gets into this
state.

If there us a way for capturing this when it happens, please advise.

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