Public bug reported:
Binary package hint: libv4l-0
hello
ubuntu intrepid 8.10 2.6.27-10-generic
xawtv 3.95.dfsg.1-8ubuntu2 0
libv4l-0 0.5.6-1~intrepid1 0
since kernel 2.6.27 i can't use anymore webcam (logitech quick cam express and
my tuner tv (hauppauge wintv usb)
both of them are detected but they show only black screen
xawtv wich is working with breezy dapper edgy feisty gutsy hardy does not work
with intrepid .
this morning i saw libv4l-0 update from poposed repositori but it does the same
as before black screen
lsub
Bus 003 Device 003: ID 0573:4d23 Zoran Co. Personal Media Division (Nogatech)
Hauppauge WinTV-USB France 4D23
Bus 003 Device 004: ID 046d:0840 Logitech, Inc. QuickCam Express
modules are loaded
[EMAIL PROTECTED]:~/Bureau$ xawtv
This is xawtv-3.95.dfsg.1, running on Linux/i686 (2.6.27-10-generic)
xinerama 0: 1600x1200+0+0
WARNING: No DGA direct video mode for this display.
/dev/video0 [v4l2]: no overlay support
v4l-conf had some trouble, trying to continue anyway
Warning: Cannot convert string "-*-ledfixed-medium-r-*--39-*-*-*-c-*-*-*" to
type FontStruct
ioctl: VIDIOC_REQBUFS(count=0;type=VIDEO_CAPTURE;memory=MMAP): Périphérique ou
ressource occupé
ioctl: VIDIOC_REQBUFS(count=2;type=VIDEO_CAPTURE;memory=MMAP): Périphérique ou
ressource occupé
libv4l2: error dequeuing buf: Argument invalide
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=MMAP):
Argument invalide
ioctl:
VIDIOC_S_FMT(type=VIDEO_CAPTURE;fmt.pix.width=320;fmt.pix.height=240;fmt.pix.pixelformat=0x33524742
[BGR3];fmt.pix.field=ANY;fmt.pix.bytesperline=960;fmt.pix.sizeimage=230400;fmt.pix.colorspace=unknown;fmt.pix.priv=0)Erreur
de segmentation
[EMAIL PROTECTED]:~/Bureau$
seg fault become when i want to change channel , before it's blank black screen
too (oposite to webcam who is never segfault)
with --nodga option it does the same
hope it will be usefull
please ask if you need more infos ..
Thank you very much if somebody read this
** Affects: libv4l (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
Binary package hint: libv4l-0
hello
ubuntu intrepid 8.10 2.6.27-10-generic
xawtv 3.95.dfsg.1-8ubuntu2 0
libv4l-0 0.5.6-1~intrepid1 0
since kernel 2.6.27 i can't use anymore webcam (logitech quick cam express
and my tuner tv (hauppauge wintv usb)
- both of hem as detected but my webcam display only black screen
+ both of them are detected but they show only black screen
xawtv wich is working with breezy dapper edgy feisty gutsy hardy does not
work with intrepid .
this morning i saw libv4l-0 update from poposed repositori but it does the
same as before black screen
lsub
Bus 003 Device 003: ID 0573:4d23 Zoran Co. Personal Media Division (Nogatech)
Hauppauge WinTV-USB France 4D23
Bus 003 Device 004: ID 046d:0840 Logitech, Inc. QuickCam Express
- modules are loaded but that s all
+ modules are loaded
[EMAIL PROTECTED]:~/Bureau$ xawtv
This is xawtv-3.95.dfsg.1, running on Linux/i686 (2.6.27-10-generic)
xinerama 0: 1600x1200+0+0
WARNING: No DGA direct video mode for this display.
/dev/video0 [v4l2]: no overlay support
v4l-conf had some trouble, trying to continue anyway
Warning: Cannot convert string "-*-ledfixed-medium-r-*--39-*-*-*-c-*-*-*" to
type FontStruct
ioctl: VIDIOC_REQBUFS(count=0;type=VIDEO_CAPTURE;memory=MMAP): Périphérique
ou ressource occupé
ioctl: VIDIOC_REQBUFS(count=2;type=VIDEO_CAPTURE;memory=MMAP): Périphérique
ou ressource occupé
libv4l2: error dequeuing buf: Argument invalide
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=MMAP):
Argument invalide
ioctl:
VIDIOC_S_FMT(type=VIDEO_CAPTURE;fmt.pix.width=320;fmt.pix.height=240;fmt.pix.pixelformat=0x33524742
[BGR3];fmt.pix.field=ANY;fmt.pix.bytesperline=960;fmt.pix.sizeimage=230400;fmt.pix.colorspace=unknown;fmt.pix.priv=0)Erreur
de segmentation
[EMAIL PROTECTED]:~/Bureau$
seg fault become when i want to change channel , before it's blank black
screen too (oposite to webcam who is never segfault)
with --nodga option it does the same
hope it will be usefull
please ask if you need more infos ..
Thank you very much if somebody read this
--
libv4l2: error dequeuing buf:
https://bugs.launchpad.net/bugs/303174
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