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Re: gspca driver related issues on kernel 3.1 and 3.2-rc7



On Tue, 2012-01-17 at 10:40 +0200, Kertesz Laszlo wrote:
> Hello,
> 
> I have a webcam:
>  ( 0ac8:305b ) Z-Star Microelectronics Corp. ZC0305 Webcam that uses the
> gspca driver (gspca_zc3xx). I have Debian Wheezy installed.
> 
> It works well with older kernels - i used it up to 2.6.38 or 39 and had
> no issues with it. But with the 3 series kernels (at least the current
> 3.1 and the 3.2 from unstable) started to misbehave.
> If i use it with any program (Skype, Vlc, Jitsi etc) it works, but after
> finishing the streaming/call or after a period of time after that i
> cannot close those programs anymore, they freeze and kill or kill -9
> does not kill them.
> Additionally the camera does not unregister (the /dev/video0 device is
> there) if plugged out and all usb hotplugging ceases to work (the
> already plugged devices work and lsusb shows a "snapshot" of the
> plugged-in devices).
> Rmmodding the gspca drivers does not work (device is busy), using the -f
> switch locks the console.
> dmesg shows no output, no kernel panic or anything. Only when i used
> Jitsi (which is java-based) i have seen some reports about "the thread
> being blocked for more than 120 seconds".
> 
> Only resolution i found is a restart.
> 
> Is this a known issue?

It's not known to me.  Please use 'reportbug' to send a bug report.
Also send a bug report to the upstream developers, following
instructions at <http://linuxtv.org/wiki/index.php/Bug_Report>.  Let us
know where that goes, so we can track it.

Ben.

-- 
Ben Hutchings
When in doubt, use brute force. - Ken Thompson

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