[Bug 56941] PS/2 mouse disappears when USB camera is unplugged

Sat Aug 19 21:43:06 UTC 2006

Public bug reported:

Binary package hint: kernel-image-2.6.15-26-386-di

I have a PS/2 mouse and PS/2 keyboard.

Plugged in USB camera (Canon EOS 20D). Everything works fine.

Remove USB camera (removed cord at PC end). Mouse pointer disappears in X.
CTRL-ALT-Backspace to restart X got it back, but I had to kill my X session. Boo.

Presumably a bug in the input layer, as USB had nothing to do with my
mouse.

Log messages:

Aug 19 07:40:59 localhost kernel: [17692457.320000] usb 5-1: new high speed USB device using ehci_hcd and address 7
Aug 19 07:41:53 localhost kernel: [17692512.016000] usb 5-1: USB disconnect, address 7
Aug 19 07:42:31 localhost kernel: [17692549.804000] usb 5-1: new high speed USB device using ehci_hcd and address 8
Aug 19 07:54:44 localhost kernel: [17693282.884000] usb 5-1: USB disconnect, address 8

Noticed later the mouse pointer was not there (was using another PC).
Tried removing and inserting PS/2 mouse (which didn't help) before I
restarted X.

Aug 19 13:50:29 localhost kernel: [17714625.972000] psmouse.c: bad data from KBC - timeout
Aug 19 13:50:30 localhost kernel: [17714626.968000] logips2pp: Detected unknown logitech mouse model 11
Aug 19 13:50:45 localhost gconfd (mbligh-30657): GConf server is not in use, shutting down.
Aug 19 13:50:45 localhost gconfd (mbligh-30657): Exiting

** Affects: linux-source-2.6.15 (Ubuntu)
     Importance: Untriaged
         Status: Unconfirmed

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PS/2 mouse disappears when USB camera is unplugged
https://launchpad.net/bugs/56941