Mailinglist Archive: opensuse-security (34 mails)

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[opensuse-security] Did the last kernel update break v4l?
  • From: "Max B" <teege.max@xxxxxxxxxxxxxx>
  • Date: Sun, 19 Oct 2008 14:49:28 +0200
  • Message-id: <7e2387db0810190549i7bf15eccvb19072d816b964d1@xxxxxxxxxxxxxx>

I would like to inquire whether the last kernel update
( changed something about v4l? My webcam suddenly
stopped working right, here is the background.

Everything worked fine before the update. Now: dmesg correctly identifies
the usb webcam as before, the driver is zc0301: V4L2 driver for ZC0301[P]
Image Processor and Control Chip v1:1.05, device registered as /dev/video0.
Previously, I used mplayer to test the webcam with the driver v4l specified.
That no longer works, but if I specify the v4l2 driver I get an image in
mplayer. But xawtv and skype no longer work.

When I try to launch xawtv, I get:
This is xawtv-3.95, running on Linux/i686 (
/dev/video0 [v4l2]: no overlay support
v4l-conf had some trouble, trying to continue anyway
ioctl: VIDIOC_G_STD(std=0xbfb9fae4

Invalid argument
ioctl: VIDIOC_S_STD(std=0x0 []): Invalid argument

Both xawtv and skype /used/ to work before the update. Mplayer now only
works if I specify the v4l2 driver, not v4l as before.

My question is, did something get changed (and how can I fix it back?) or
is it a PEBKAC on my side?

Thank you for any responses in advance!

Best regards
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