ubuntu-x-swat team mailing list archive

[Brian Yurko <446717@xxxxxxxxxxxxxxxxxx>]

Experiencing this issue with Natty 11.04 on a 5810T.

I erroneously created another bug report for this issue at this URL
https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/783262

Here's the description as my comment here. Feel free to remove the other
bug, if this is the proper place.

This issue happens nearly every time I press the Function key in
conjunction with the left or right arrows. I often intend to press Ctrl
+ Arrows to move the cursor, but the Function key is adjacent to Ctrl.

What happens, the following symptoms are observed. The desktop is
preserved as it was at the time of the crash. The system time never
advances nor does any other visual indicator update (such as network
disconnect, media insert, etc). I can move the mouse about the screen,
but the pointer does not change based upon the context and no clicks are
registered. No keystrokes are registered. I cannot press Special
(Window) + F2 or Special + Escape to bring up any system menus.

I have needed to restart the computer to correct this. (I can test again
with less drastic steps if anyone wishes to make recommendations.)

(I believe the issue is with xorg-server, not various gnome processes.)

I am using an Acer Aspire Timeline 5810T, a laptop.

Here is a interesting series of steps that will reproduce this issue
every time:

Boot the computer.
At the GDM login screen, prior to logging in...
Press Function + Left Arrow and Function + Right Arrow a couple of times.
Notice that there is a screen overlay that shows the brightness level in the upper right corner (LCD brightness is mapped to my FN + Arrows)
At this point I can still use the mouse and keystrokes are still being registered.
Log into the system by selecting a user account and entering a password.
You will begin to see the desktop load, accompanied by a login sound.
The cursor changes to a waiting icon.
At this point, the system ceases to be responsive any further, according to the description provided above.
The mouse will still move the wait cursor around the screen. Keystrokes other than Ctrl + Alt + F# are not recognized.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: xserver-xorg-core 2:1.10.1-1ubuntu1
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic-pae 2.6.38.2
Uname: Linux 2.6.38-8-generic-pae i686
Architecture: i386
Date: Sun May 15 21:09:31 2011
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/bin/Xorg
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta i386 (20110413)
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
SourcePackage: xorg-server
UpgradeStatus: No upgrade log present (probably fresh install)

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https://bugs.launchpad.net/bugs/446717

Title:
  [gm45] Adjusting Brightness in Acer Aspire Timelines causes system
  freeze in 4810T and 5810T models