[Bug 237636] bhyve guest ZFS filesystem freezes in zcw->zcw_cv state

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed May 8 21:44:36 UTC 2019


--- Comment #4 from Morgan Davis <freebsd-bugs at 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 command,
and it is highly unlikely this is possible once the system gets into this

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

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