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Date:      Tue, 04 Sep 2018 13:07:07 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 229745] ahcich: CAM status: Command timeout
Message-ID:  <bug-229745-227-fntAW5Do6O@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-229745-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-229745-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D229745

--- Comment #11 from cryx-freebsd@h3q.com ---
(In reply to cryx-freebsd from comment #10)

Setting kern.cam.ada.write_cache=3D0 in loader.conf and doing a power-cycle=
 makes
the problem go away, with the obvious hits on IO performance.

IHMO this shows that there is indeed a problem with the disks write-cache
handling.

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