thank you :)

On Tue, 2009-03-10 at 21:20 +0000, mtopro wrote:
> Another comment that may help other GUI users test, you can enable the
> fix through System>Administration>Synaptic Package Manager.  Then go to
> Settings>Repositories and under the 'Updates' tab check the box under
> Pre-released updates.  Close out of that box and Synaptic, then do a
> System>Administration>Update Manager.  'Check' for new updates and you
> will get a list of the active updates.  Uncheck all of them except the
> xorg-server and the xorg-common.  After that updates, go back into the
> Synaptic Package Manager and uncheck the box for Pre-released updates.
> You're all set.  Reboot and you should hopefully have a fix.
> 
> -- 
> X.org will stop responding to mouse clicks on Ibex with Xinerama.  Occurs 
> frequently, Fatal Error.
> https://bugs.launchpad.net/bugs/296167
> You received this bug notification because you are a direct subscriber
> of a duplicate bug.
> 
> Status in X.Org X server: Fix Released
> Status in Ubuntu: Invalid
> Status in “xorg-server” source package in Ubuntu: Fix Released
> Status in The Intrepid Ibex: Invalid
> Status in xorg-server in Ubuntu Intrepid: Fix Committed
> Status in “xorg-server” source package in Fedora: Fix Released
> 
> Bug description:
> [Problem]
> When using Xinerama (such as with multiple video cards), if using an animated 
> cursor, after some time X will stop responding to mouse events.  All mouse 
> events are being sent to the root window instead of client applications.
> 
> [SRU]
> Confirmed fix is released upstream in xserver 1.6.0 and present in Jaunty (as 
> of xserver 1.6.0)
> 
> Impact:  Severe regression for users of -nvidia and other drivers which still 
> rely on Xinerama, resulting in mouse cursor (and thus much of the GUI) 
> becoming unusable.  No reliable workaround known.
> 
> Fix:  Avoid calling UpdateSpriteForScreen() if the Xinerama extension is 
> loaded
> 
> Patch:  https://bugs.freedesktop.org/attachment.cgi?id=22373
> 
> Test Case:  Configure a Xinerama multi-head (3+) layout using -nvidia.  
> Configure the mouse to use an animated cursor; this is optional but makes it 
> easier to reproduce the problem.  Move windows around, from one screen to 
> another until the bug is triggered (may take a few tries).  Mouse clicking 
> will become disabled, while keyboard and mouse movement continues to work 
> correctly.  
> 
> Regression Potential:  The fix is extremely trivial and highly tied to 
> Xinerama.  The net effect is to prevent code from being executed rather than 
> enable it. For non-Xinerama users, there is no chance for regression.  For 
> Xinerama users, give the huge number that have reported this as an issue, 
> this bug probably affects all users; furthermore we already have numerous 
> confirmations of the fix and zero reports of side effects.  So I think the 
> chance of regression is close to nil.
> 
> [Original Report]
> After upgrading to Ibex a problem has appeared where after some activity 
> (10-15 minutes), X will suddenly stop responding to any mouse events - the 
> cursor is still there and will move around, but windows won't change focus 
> and clicking the mouse buttons have no effect (in both the focused and 
> unfocused windows). Keyboard still works fine and I can Alt-Tab between 
> windows. Mouse still moves the cursor normally, just will not click anything.
> 
> I have a four-monitor Xinerama setup running the latest NVidia drivers on two 
> 8600GT Graphics cards. This setup worked perfectly in Hardy.
> 
> Problem is present in  2.6.27-7 & 2.6.24-19, Nvidia Drivers 177 & 173. 
> 
> Tried with two different wired optical mouses (logitech and microsoft) and 
> problem is present in both.
> 
> Once the problem occurs, the only way to get the mouse buttons working again 
> is to Ctl-Alt-Backspace to restart X. Mouse will work fine for a period of 
> time after that.
> 
> Strangely - if I have xev running, it won't respond to any events if the 
> mouse is over the window, but if the cursor is at the same height as the 
> window one screen over to the right, it will show events.
> 
> I don't think I see anything in dmesg / syslog / Xorg.conf.
> 
> amd64 arch w/ 8 GB Ram.
> 
> This is driving me absolutely crazy as my computer is pretty much unusable.
> 
> ProblemType: Bug
> Architecture: amd64
> DistroRelease: Ubuntu 8.10
> NonfreeKernelModules: nvidia
> Package: xorg 1:7.4~5ubuntu3
> ProcEnviron:
>  SHELL=/bin/bash
>  PATH=/home/User 
> Name/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/home/User
>  Name/bin
>  LANG=en_US.UTF-8
> ProcVersion: Linux version 2.6.27-7-generic (bui...@crested) (gcc version 
> 4.3.2 (Ubuntu 4.3.2-1ubuntu11) ) #1 SMP Tue Nov 4 19:33:06 UTC 2008
> 
> SourcePackage: xorg
> Uname: Linux 2.6.27-7-generic x86_64
> Xrandr:
>  
> xkbcomp:
> 
> [lspci]
> 00:00.0 Host bridge [0600]: nVidia Corporation C55 Host Bridge [10de:03a1] 
> (rev a2)
>       Subsystem: nVidia Corporation Device [10de:c55e]
> 01:00.0 VGA compatible controller [0300]: nVidia Corporation GeForce 8600 GTS 
> [10de:0400] (rev a1)
>       Subsystem: eVga.com. Corp. Device [3842:c773]
> 03:00.0 VGA compatible controller [0300]: nVidia Corporation GeForce 8600 GTS 
> [10de:0400] (rev a1)
>       Subsystem: eVga.com. Corp. Device [3842:c773]

-- 
X.org will stop responding to mouse clicks on Ibex with Xinerama.  Occurs 
frequently, Fatal Error.
https://bugs.launchpad.net/bugs/296167
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.

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