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Date:      Sun, 11 Dec 2022 16:01:41 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 127420] geom: panic: journal overflow on gmirrored gjournal
Message-ID:  <bug-127420-227-oQlcCBiqH9@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-127420-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-127420-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D127420

--- Comment #9 from ruben@verweg.com ---
Created attachment 238711
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D238711&action=
=3Dedit
crashinfo dump of gmirror'ed gjournal panic

(In reply to Graham Perrin from comment #8)
Unfortunately, it does.

Inside a Freebsd 13.1 zfs VM I created 2 zvols of 5G each, gmirror'ed them =
and
then gjournalled the mirror. The same bonnie++ invocation was used, resulti=
ng
in the attached crashinfo.

The story nowadays is somewhat different though, for triage purposes: ZFS w=
as
still experimental then and a lot of functionality once covered by
gmirror/gjournal etc is available with ZFS in a much more stable fashion.

It might be a question whether having these geom classes should be continued
instead of using ZFS.

If geom is still considered to be a first-class citizen the bug should prob=
ably
be explored...

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