[Bug 78316] Kmix consuming 100% CPU when unplug my Logitech Quickcam for Notebooks.

[Gnuton]

Public bug reported:

Binary package hint: kmix

Kmix 2.6 (on KDE 3.5.5 ubuntu edgy) consuming 100% CPU when unplug my
webcam "Logitech Quickcam for Notebooks".

------------------------------------------------------
Kmix's Backtrace:
(gdb) bt
#0  0xb72299e0 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#1  0xb729d25e in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#2  0xb729d06e in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#3  0xb7284731 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#4  0xb673b206 in kdemain (argc=7, argv=0x812ccc8) at /build/buildd/kdemultimedia-3.5.5/./kmix/main.cpp:66
#5  0xb7fcc524 in kdeinitmain (argc=7, argv=0x812ccc8) at kmix_dummy.cpp:3
#6  0x0804e4df in launch (argc=7, _name=0x812d3dc "kmix", args=0x812d408 "", cwd=0x0, envc=1, envs=0x812d419 "",
    reset_env=false, tty=0x0, avoid_loops=false,
    startup_id_str=0x812d41e "arpstorm;1168178941;22940;5067_TIME4242803692")
    at /build/buildd/kdelibs-3.5.5/./kinit/kinit.cpp:673
#7  0x0804ed6a in handle_launcher_request (sock=10) at /build/buildd/kdelibs-3.5.5/./kinit/kinit.cpp:1240
#8  0x0804f118 in handle_requests (waitForPid=0) at /build/buildd/kdelibs-3.5.5/./kinit/kinit.cpp:1443
#9  0x080503ac in main (argc=5, argv=0xbfe75a84, envp=0xbfe75a9c)
    at /build/buildd/kdelibs-3.5.5/./kinit/kinit.cpp:1909
#10 0xb7d548cc in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#11 0x0804b971 in _start ()


--------------------------------------------------------
dmesg output:
plug:
[17183477.616000] usb 1-1: new full speed USB device using uhci_hcd and address 3
[17183477.820000] usb 1-1: configuration #1 chosen from 1 choice
[17183477.820000] drivers/media/video/spca5xx/spca5xx-main.c: USB SPCA5XX camera found. Logitech QC for Notebooks

unplug:
[17183494.764000] usb 1-1: USB disconnect, address 3


---------------------------------------------------------
gnuton at arpstorm:~$ caminfo
Detected 1 Video4Linux devices.
Device node      : /dev/video0
Name of device   : "Logitech QuickCam for Notebooks"
Minimum size     : 176x144
Current size     : 0x0
Maximum size     : 640x480
Video inputs     : 1
 Input 0
  Name             : "ZC301-2"
  Type             : Camera
  Audio            : no
  Tuners           : 0
Audio inputs     : 0

** Affects: kdemultimedia (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

-- 
Kmix consuming 100% CPU when unplug my Logitech Quickcam for Notebooks.
https://launchpad.net/bugs/78316