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From: khalasa@piap.pl (Krzysztof =?utf-8?Q?Ha=C5=82asa?=)
To: Andrey Utkin <andrey.utkin@corp.bluecherry.net>
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Date: Fri, 14 Nov 2014 12:00:59 +0100
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	(Andrey Utkin's message of "Tue, 11 Nov 2014 19:46:46 +0200")
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Subject: Re: [RFC] solo6x10 freeze, even with Oct 31's linux-next... any ideas or help?
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Andrey Utkin <andrey.utkin@corp.bluecherry.net> writes:

> The problem is the following: after ~1 hour of uptime with working
> application reading the streams, one card (the same one every time)
> stops producing interrupts (counter in /proc/interrupts freezes), and
> all threads reading from that card hang forever in
> ioctl(VIDIOC_DQBUF).

There is a race condition in the IRQ handler, at least in 3.17.
I don't know if it's related, will post a patch.
-- 
Krzysztof Halasa

Research Institute for Automation and Measurements PIAP
Al. Jerozolimskie 202, 02-486 Warsaw, Poland