linux-kernel - Server chaos after upgrade from 4.5.2 -> 4.5.3

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Message-ID: <572E054E.7090007@unsolicited.net>
Date:	Sat, 7 May 2016 16:10:06 +0100
From:	David R <david@...olicited.net>
To:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	"linux-media@...r.kernel.org >> Linux Media Mailing List" 
	<linux-media@...r.kernel.org>
Subject: Server chaos after upgrade from 4.5.2 -> 4.5.3

Hi

Every few years I get a kernel upgrade that breaks my server. This time
the first oops (and the last to make it to syslog) seems to be v4l
related. After this I get more on the console at intervals, but the
server is unusable. Returning to 4.5.2 fixes things.

Oops and dmesg (from 4.5.3) attached.

Looking at source control 922ff7af18370b752204c03e75e3dc3a2c50127d
<http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?h=linux-4.5.y&id=922ff7af18370b752204c03e75e3dc3a2c50127d>
and ef468ad540f990e0f479a7548aea7dd089fdbd5a
<http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?h=linux-4.5.y&id=ef468ad540f990e0f479a7548aea7dd089fdbd5a>
look like likely culprits.

I might try reverting these and trying again, but the boss at home is
grumpy enough that my quick restart turned into an hour of faffing
before I reverted, so I may not do this over the weekend.

Cheers
David

View attachment "oops.txt" of type "text/plain" (5298 bytes)

View attachment "dmesg.txt" of type "text/plain" (109122 bytes)