Public bug reported:
Ubuntu Jaunty
linux-image-generic + linux-backports-modules-jaunty-generic 2.6.28.17.22
Gigaware usb webcam 25-1176 w/mic (0c45:62e0)
When this is connected to a USB2 port, luvcview displays only the top third of
the image (see attachment), at >30 fps.
When it is connected to a USB1 hub, luvcview displays a full image at <=8 fps.
Also, I get a notification about a "new audio and a new video input device
being available, do you want to set this as the default?"
I can't test with camorama because it is outdated and doesn't support v4l2.
I can't trivially test with cheese right now because of Bug #290506
the jaunty kernel seems to have ehci_hcd builtin instead of as a module, so my
only choice right now is using a usb1 hub.
however it is connected, it displays the following in dmesg, about half a
second apart:
<nn>:3:1: cannot get freq at ep 0x84
<nn>:3:1: cannot get freq at ep 0x84
where <nn> is an integer (same for both) that has held the following values
recently {16,17,5,19,6,7,3,5,6,7,9,25} (low numbers tend to occur via hub, high
numbers via direct connection, increases by 1 if I just unplug and replug to
hub, increase by 2 if unplugging and replugging the whole hub).
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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uvcvideo webcam displays green rectangle under usb2
https://bugs.launchpad.net/bugs/501579
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