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Date:      Fri, 27 Sep 2019 07:07:52 +0000
From:      bugzilla-noreply@freebsd.org
To:        fs@FreeBSD.org
Subject:   [Bug 240853] Any moderate I/O panics the kernel when MAC_BIBA + multilabel is enabled
Message-ID:  <bug-240853-3630-DLm9DzbMvQ@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-240853-3630@https.bugs.freebsd.org/bugzilla/>
References:  <bug-240853-3630@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D240853

Kubilay Kocak <koobs@FreeBSD.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freebsd.org/bu
                   |                            |gzilla/show_bug.cgi?id=3D2=
309
                   |                            |62
           Keywords|                            |crash, needs-qa
           Assignee|bugs@FreeBSD.org            |fs@FreeBSD.org
             Status|New                         |Open
                 CC|                            |fs@FreeBSD.org,
                   |                            |mckusick@FreeBSD.org

--- Comment #1 from Kubilay Kocak <koobs@FreeBSD.org> ---
Thank you for your report

Could you please include more information, including:

- Exact FreeBSD version (uname -a)
- /var/run/dmesg.boot output (as an attachment)
- Check and confirm that the file system is clean (fsck -fy in single user)=
, or
report back if it is not
- See if you can obtain a kernel panic backtrace [1], and in particular try=
 to
catch the initial "panic message"
- Clarify whether or not the panic is reproducible *without* MAC_BIBA and/or
multilabel enabled (test each combination)

[1]
https://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html#k=
erneldebug-obtain

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