Public bug reported:
Was observed on Toshiba L40 laptop while trying to connect to wireless
network, first while starting Ubuntu 10.04 LTS amd64 from live DVD. Also
occurred while booting its fresh installation for a first time from HDD.
Manifestation: immediately after notification from Network Manager pops
up on a screen, Gnome desktop (screen and mouse) has become
unresponsive. Keyboard however seems is not affected.
A simple workaround has worked out in my case: do not connect to
wireless network immediately after first system boot (thus don't allow
any notification at all), but set Compiz level (System-Preferences-
Appearance-Visual Effects) to None first then connect to wireless.
Reverting Compiz back to Normal level results in a graphic driver being
restarted with new parameters, and notifications work flawlessly after
that. System installation on HDD retains new safe parameters after
reboot. With live DVD however, the procedure has to be repeated at each
system boot.
System affected:
Toshiba L40 series laptop, Intel T7200 Core 2 Duo CPU, 2GB RAM, Intel 945GM
graphic chip; Ubuntu 10.04 LTS amd64 on live DVD, Kernel Linux
2.6.32-21-generic, Gnome 2.30.0. No relevant messages have been found in system
logs.
Unlike amd64, 32-bit live DVD is not affected. No CD installations have been
tested against the issue.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: 10.04 amd64 livedvd lucid
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Gnome desktop crash in Lucid amd64 live DVD on some systems with Intel 945GM
graphic
https://bugs.launchpad.net/bugs/577645
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