Re: Problem with linux-3.1.3

2011-11-28 Thread Laurent Pinchart
Hi Hendrik,

On Sunday 27 November 2011 14:04:02 Hendrik Sattler wrote:
 Hi,
 
 I just updated by self-built kernel-from v3.1 to v3.1.3.
 With the new version, my built-in webcam[1] does not work anymore but it
 did with v3.1.
 $ luvcview
 luvcview 0.2.6
 
 SDL information:
   Video driver: x11
   A window manager is available
 Device information:
   Device path:  /dev/video0
 Stream settings:
   Frame format: MJPG
   Frame size:   640x480
   Frame rate:   30 fps
 libv4l2: error turning on stream: No space left on device
 Unable to start capture: No space left on device
 Error grabbing
 Cleanup done. Exiting ...
 
 The following kernel message pop up with those tries:
 uvcvideo: UVC non compliance - GET_MIN/MAX(PROBE) incorrectly supported.
 Enabling workaround.

That can usually be safely ignored. Let's try to fix the second issue first.

 uvcvideo: Failed to submit URB 0 (-28).
 
 
 Same for using e.g. Google+ Hangouts which worked fine using v3.1.
 
 Any ideas what might be wrong?

I'm tempted to blame http://git.kernel.org/?p=linux/kernel/git/stable/linux-
stable.git;a=commit;h=f0cc710a6dec5b808a6f13f1f8853c094fce5f12. Could you 
please try reverting that patch and see if it fixes your issue ?

-- 
Regards,

Laurent Pinchart
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Re: Problem with linux-3.1.3

2011-11-28 Thread Hendrik Sattler
Hi Laurent,

Am Montag, 28. November 2011, 11:37:52 schrieb Laurent Pinchart:
  uvcvideo: Failed to submit URB 0 (-28).
  
  
  Same for using e.g. Google+ Hangouts which worked fine using v3.1.
  
  Any ideas what might be wrong?
 
 I'm tempted to blame
 http://git.kernel.org/?p=linux/kernel/git/stable/linux-
 stable.git;a=commit;h=f0cc710a6dec5b808a6f13f1f8853c094fce5f12. Could you
 please try reverting that patch and see if it fixes your issue ?

That's it :-D
I reverted f0cc710a6dec5b808a6f13f1f8853c094fce5f12 on-top of v3.1.3 and now 
the webcam is working again.
Should this go to v3.1.4 and 3.2?

Thanks...

HS
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Re: Problem with linux-3.1.3

2011-11-28 Thread Laurent Pinchart
Hi Hendrik,

On Monday 28 November 2011 18:10:38 Hendrik Sattler wrote:
 Hi Laurent,
 
 Am Montag, 28. November 2011, 11:37:52 schrieb Laurent Pinchart:
   uvcvideo: Failed to submit URB 0 (-28).
   
   
   Same for using e.g. Google+ Hangouts which worked fine using v3.1.
   
   Any ideas what might be wrong?
  
  I'm tempted to blame
  http://git.kernel.org/?p=linux/kernel/git/stable/linux-
  stable.git;a=commit;h=f0cc710a6dec5b808a6f13f1f8853c094fce5f12. Could you
  please try reverting that patch and see if it fixes your issue ?
 
 That's it :-D
 I reverted f0cc710a6dec5b808a6f13f1f8853c094fce5f12 on-top of v3.1.3 and
 now the webcam is working again.
 Should this go to v3.1.4 and 3.2?

The problem has just been reported to the linux-usb mailing list (uvcvideo: 
Failed to submit URB 0 (-28) mail thread). Let's see what will happen.

-- 
Regards,

Laurent Pinchart
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Problem with linux-3.1.3

2011-11-27 Thread Hendrik Sattler
Hi,

I just updated by self-built kernel-from v3.1 to v3.1.3.
With the new version, my built-in webcam[1] does not work anymore but it did 
with v3.1.
$ luvcview 
luvcview 0.2.6

SDL information:
  Video driver: x11
  A window manager is available
Device information:
  Device path:  /dev/video0
Stream settings:
  Frame format: MJPG
  Frame size:   640x480
  Frame rate:   30 fps
libv4l2: error turning on stream: No space left on device
Unable to start capture: No space left on device
Error grabbing
Cleanup done. Exiting ...

The following kernel message pop up with those tries:
uvcvideo: UVC non compliance - GET_MIN/MAX(PROBE) incorrectly supported. 
Enabling workaround.
uvcvideo: Failed to submit URB 0 (-28).


Same for using e.g. Google+ Hangouts which worked fine using v3.1.

Any ideas what might be wrong?

Thanks,

HS

[1]: Bus 001 Device 002: ID 5986:0102 Acer, Inc Crystal Eye Webcam
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