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[Bug 397936] Re: 100% CPU when changing hardware volume control

 

** Project changed: notify-osd => notify-osd (Ubuntu)

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https://bugs.launchpad.net/bugs/397936

Title:
  100% CPU when changing hardware volume control

Status in “notify-osd” package in Ubuntu:
  Invalid

Bug description:
  I checked, and found no similar bug.

  Two problems occur when the hardware volume control on my laptop is
  used/bumped, i.e. moves:

  1. notify-osd goes to 100% CPU for a few minutes.

  2. During this time I cannot type anything in the any open terminal
  windows, though the mouse functions. Terminal windows can be opened
  and their window title bar highlighted, but the cursor stays an empty
  block. Alt-TAB also does nothing, though I can switch desktops and go
  to a text console.

  Further observations:

  1. The notification box disappears whenever the mouse goes over it,
  and reappears thereafter.

  2. ps shows only one instance of /usr/lib/notify-osd/notify-osd (I
  have to switch to a text console (Ctrl-F1) to get this).

  3. Killing the notify-osd instance )from the text console) with signal
  15 or signal 9 doesn't help: a new one (owned by init) appears.

  4. My keyboard remains messed up as I type this: Alt-Space doesn't
  bring up the current window menu. I can switch desktops with Ctrl-Alt-
  arrow, though.

  This is a real problem, in that I have to reboot unless I want to wait
  10 minutes or so. It happened earlier today at a client, who told me
  that it would have been much less of a problem if I had been using
  Windows instead of Linux. Not much I could say... :-( Why did I move
  the volume? Simple: it's just off the corner of my notebook, and
  moving the notebook is not easy without this happening. Putting
  something down next to the notebook could move the volume wheel.

  Some specs:

  Machine: Toshiba Satellite Pro U-300

  uname -a: Linux lonsdale.b.c 2.6.28-13-generic #45-Ubuntu SMP Tue Jun
  30 19:49:51 UTC 2009 i686 GNU/Linux

  Machine running Jaunty to latest updates.

  notify-osd version: 0.9.11-0ubuntu3

  Let me know if you need more info.

  ~8-|
  John

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