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Bug#656237: linux-image-686-pae: gspca-based webcam ( 0ac8:305b , gspca_zc3xx driver) kills usb in kernels 3+

Package: linux-image-686-pae
Version: 3.1+41
Severity: important

Dear Maintainer,
*** Please consider answering these questions, where appropriate ***

   * What led up to the situation?
I connected and used the webcam in question (with Skype, vlc, Jitsi)

   * What exactly did you do (or not do) that was effective (or

I just made video calls over Skype/Google talk or recorded with the webcam with
vlc. The webcam worked at first (usually until i closed the first session).

   * What was the outcome of this action?

The program that accessed the webcam could not be stopped with its own menu
options and eventually froze  (kill -9 made it a zombie).
Additionally the camera does not unregister (the /dev/video0 device is
there) if plugged out and all usb hotplugging ceases to work (the
already plugged devices work and lsusb shows a "snapshot" of the
plugged-in devices).
Rmmodding the gspca drivers does not work (device is busy), using the -f
switch locks the console.
dmesg shows no output, no kernel panic or anything.

   * What outcome did you expect instead?

The program(s) close normally, usb subsystem working as expected (and as it
worked until the 3 series kernels).

-- System Information:
Debian Release: wheezy/sid
  APT prefers testing
  APT policy: (500, 'testing'), (500, 'stable'), (1, 'experimental'), (1, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 3.1.0-1-686-pae (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages linux-image-686-pae depends on:
ii  linux-image-3.1.0-1-686-pae  3.1.8-2

linux-image-686-pae recommends no packages.

linux-image-686-pae suggests no packages.

-- no debconf information

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