Sid Boyce wrote:
> Sid Boyce wrote:
>> Laurent Pinchart wrote:
>>> Hi Sid,
>>>
>>> On Tuesday 15 January 2008, Sid Boyce wrote:
>>>> Sid Boyce wrote:
>>>>> # luvcview -l
>>>>> luvcview version 0.2.1
>>>>> Video driver: x11
>>>>> A window manager is available
>>>>> video /dev/video0
>>>>> Unable to set format: 16.
>>>>> Init v4L2 failed !! exit fatal
>>>>>
>>>>> # luvcview -L
>>>>> luvcview version 0.2.1
>>>>> Video driver: x11
>>>>> A window manager is available
>>>>> video /dev/video0
>>>>> /dev/video0 does not support read i/o
>>>>> { pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' }
>>>>> { discrete: width = 640, height = 480 }
>>>>> Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 1/1,
>>>>> { discrete: width = 352, height = 288 }
>>>>> Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 1/1,
>>>>> { discrete: width = 320, height = 240 }
>>>>> Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 1/1,
>>>>> { discrete: width = 176, height = 144 }
>>>>> Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 1/1,
>>>>> { discrete: width = 160, height = 120 }
>>>>> Time interval between frame: 1/30, 1/20, 1/15, 1/10, 1/5, 1/1,
>>>>>
>>>>>
>>>>> # lsmod|grep uvc
>>>>> uvcvideo 68740 1
>>>>> compat_ioctl32 25728 1 uvcvideo
>>>>> videodev 44160 2 uvcvideo
>>>>> v4l1_compat 28932 2 uvcvideo,videodev
>>>>> v4l2_common 36608 3 uvcvideo,compat_ioctl32,videodev
>>>>> usbcore 164256 5 uvcvideo,usbhid,ohci_hcd,ehci_hcd
>>>>>
>>>>> openSUSE 11.0Alpha0 x86_64 with kernel 2.6.24-rc7-git5-smp.
>>>>> Help appreciated.
>>>>> Regards
>>>>> Sid.
>>>> Checked out my Logitech QuickCam Pro 9000 on my other x86_64 box - 
>>>> skype
>>>> and luvcview - and it's fine, so there must be a problem with the 
>>>> driver
>>>> with respect to the CrystalEye.
>>>
>>> -16 means -EBUSY. The camera is probably already in use by another
>>> application.
>>>
>>> Best regards,
>>>
>>> Laurent Pinchart
>>>
>>>
>>
>> Nothing else that would use the camera is running, "lsof /dev/video0" 
>> also confirms that. I've tried 2 other USB webcams, gspca and ov51x, 
>> both work fine.
>> It's either broken hardware or something strange in code. I've run 
>> both strace and gdb against luvcview, no more information. xawtv also 
>> gives EBUSY. I'm restoring XP to another HD to see if I get problems 
>> there also.
>> Regards
>> Sid.
>>
> 
> Whilst restoring XP I remembered the webcam did work. XP restored and 
> the webcam definitely is OK under XP. In with the Linux drive again.
> I always do "svn up" to make sure I have the latest uvcvideo.
> Regards
> Sid.

After upgrading to 2.6.24-rc8, getting different results.
  # luvcview
luvcview version 0.2.1
Video driver: x11
A window manager is available
video /dev/video0
Unable to set format: 22.
  Init v4L2 failed !! exit fatal

# xawtv -c /dev/video0
This is xawtv-3.95, running on Linux/x86_64 (2.6.24-rc8-smp)
xinerama 0: 1440x900+0+0
WARNING: No DGA support available for this display.
/dev/video0 [v4l2]: no overlay support
v4l-conf had some trouble, trying to continue anyway
ioctl: VIDIOC_G_STD(std=0x7ffff4508444 
[PAL_G,PAL_D1,PAL_Nc,?,SECAM_K,SECAM_L,(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)]):
 
Invalid argument
ioctl: VIDIOC_S_STD(std=0x0 []): Invalid argument
ioctl: VIDIOC_DQBUF(index=0;type=VIDEO_CAPTURE;bytesused=0;flags=0x0 
[];field=ANY;;timecode.type=0;timecode.flags=0;timecode.frames=0;timecode.seconds=0;timecode.minutes=0;timecode.hours=0;timecode.userbits="";sequence=0;memory=unknown):
 
Invalid argument
ioctl: VIDIOC_DQBUF(index=0;type=VIDEO_CAPTURE;bytesused=0;flags=0x0 
[];field=ANY;;timecode.type=0;timecode.flags=0;timecode.frames=0;timecode.seconds=0;timecode.minutes=0;timecode.hours=0;timecode.userbits="";sequence=0;memory=unknown):
 
Invalid argument

Regards
Sid.
-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support 
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks

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