Public bug reported:
Binary package hint: kernel-image-2.6.24-19-generic-di
Hello!
My whole system tends to lockup, whenever I'm not typing or moving the
mouse. Everything returns to normal, once I provide a constant stream of
input.
This affects *all* applications. Symptoms include:
- cursors stop blinking *everywhere* in KDE (kwrite, kate, this textbox in
firefox, ...)
- the clock in the tray is stuck
- if a screensaver is active, it doesn't repaint
- the diagrams in ksysguard don't update anymore
- animated gifs in Firefox freeze
- tooltips for the desktop previews and task show up only halfway
- amarock equalizer freezes (though music playback continues)
- my ftp server slows down to a crawl
- ...
There are phases (some minutes), when everything seems normal, but then
again there are phases, where the computer locks up a millisecond after
my last keypress. A single freeze can last from only a few seconds up to
hours. It immediately stops and reacts normally again, as soon, as I
touch the touchpad or press shift or any other key. It won't loose
keypresses, so if I type a letter, they all arrive in the textbox. Only
sometimes, I can type "a letter late", that is the textbox draws the
previous letter, when it's freeze is briefly released by the current
keypress.
All this started with updating to 2.6.22-* kernel. In fact, for my daily
work I still go back to 2.6.20-16.32-generic. the 2.6.24-* series has
the advantage, of booting without my assistance. The 2.6.22.* would only
boot if I pressed shift whenever it hung up. In addition, 2.6.24-* will
accept a normal keyboard repeat, while 2.6.22-* accepted only the first
keypress, without repeating it automatically while my finger still kept
it pressed. But still, 2.6.24-* won't shut down without some keystrokes.
Lets see, what else do you need ... I've mentioned my problem in bug
#123789 which is about to close. That's why I open my own now.
My laptop is a Samsung R40plus with dual-core Intel processor, 2 GB RAM
and 160 GB hdd, ati graphics is on board. 3D-acceleration works ... but
its not useful, if the game hooks up ever few seconds.
Switching back and forth between kernel 2.6.20 and 2.6.24 definitely
toggles this bug on and of (proved over the last month)
In /var/log/messages I could not spot relevant error messages.
Thanks for your time and effort
Holger
---
> uname -a
Linux samson 2.6.24-19-generic #1 SMP Fri Jul 11 23:41:49 UTC 2008 i686
GNU/Linux
> cat /proc/version_signature
Ubuntu 2.6.24-19.36-generic
> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=8.04
DISTRIB_CODENAME=hardy
DISTRIB_DESCRIPTION="Ubuntu 8.04.1"
> cat /proc/swaps
Filename Type Size Used Priority
/dev/sda1 partition 1951856 0 -1
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
--
Event-hungry kernel blocks system
https://bugs.launchpad.net/bugs/261219
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