[Bug 273772] zpool nested in ZVOL becomes inaccessible when zfsd(8) is running on the host

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 273772] zpool nested in ZVOL becomes unaccesible when zfsd(8) is running on host"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 14 Sep 2023 15:00:39 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=273772

Alan Somers <asomers@FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |asomers@FreeBSD.org

--- Comment #3 from Alan Somers <asomers@FreeBSD.org> ---
This doesn't make sense to me.  zfsd does not do anything that would interfere
with some other process reading zvols.  I think there must be something else
going on.  Two things to check:

1) What does "zpool status" show on the host, when the guest is unable to boot?
2) What does "top" show on the host at that time?  Is zfsd spinning the CPU?

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