Public bug reported:
Binary package hint: pidgin
I am running the 64-bit version of Ubuntu 9.10 (with all updates
applied, kernel version 2.6.31-17-generic), with the pidgin package from
the repository (1:2.6.2-1ubuntu7.1).
I have a Logitech QuickCam 4000 Pro plugged into a powered usb hub.
The webcam works perfectly when accessed from cheese or mplayer, even with
multiple application starting/stopping.
Video from the webcam worked ONCE on my first attempt to place an audio/video
call. I ran into problems due to the microphone not being configured, and upon
exiting and restarting, the camera could no longer be accessed by pidgin (in
fact, the notice to the recipient was no longer sent due to the
non-responsiveness of the camera). Even with multiple reboots,
disconnecting/reconnecting the cam and hub, pidgin has not been able to read
video input from the camera.
When looking at dmesg output, I see errors like these (usually in a pair per
attempt):
pwc: isoc_init() submit_urb 0 failed with error -28
pwc: isoc_init() submit_urb 1 failed with error -28
Google searches indicate that the problem is likely from being connected
through the hub, but they are old posts and refer to older kernel versions...
In addition, wouldn't a problem stemming from a hub (or kernel driver) manifest
when ANY program attempted to access the device, not just pidgin?
Plugging the cam directly into the system isn't really an option, so I
thought I'd see if pidgin accessed video devices in an unusual or
outdated way that makes it susceptible to problems--and if it could be
brought more in-line with the way that mplayer or cheese handle it.
ProblemType: Bug
Architecture: amd64
Date: Thu Jan 28 21:34:53 2010
DistroRelease: Ubuntu 9.10
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
NonfreeKernelModules: nvidia
Package: pidgin 1:2.6.2-1ubuntu7.1
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-17.54-generic
SourcePackage: pidgin
Uname: Linux 2.6.31-17-generic x86_64
** Affects: pidgin (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug
--
audio/video call does not work with Logitech QuickCam 4000 Pro (pwc module)
https://bugs.launchpad.net/bugs/514133
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