*** This bug is a duplicate of bug 296167 ***
https://bugs.launchpad.net/bugs/296167
The cause is a xinerama vs mouse cursor issue.
when you switch to "twinview", you stopped using xinerama, so the
problem goes away.
Steve H wrote:
> *** This bug is a duplicate of bug 296167 ***
> https://bugs.launchpad.net/bugs/296167
>
>
> Twinview originally gave me X-config problems (nVidia w/laptop + external
> monitor) when I 1st installed, and Xinerama provided a better solution.
> So I avoided it. For whatever reason, Twinview is operating correctly now,
> and not experiencing the resolution issues I originally had.
>
> I made the switch 2 days ago, and thus far, have not had any problems. It
> also has the added bonus, of allowing Compiz to work, whereas before,
> any attempt under Xinerama would reject the options of using any visual
> effects setting, other than 'none'. I assumed this was due to different
> resolutions on 2 screens, as it worked fine in single-monitor mode.
>
> I'm reasonably certain that this resolves the mouse-click problem, but
> will update you in a couple of days, to confirm.
>
> Thanks for the assist. I hadn't considered any graphics related causes.
>
> -----------------
> Human beings, by changing the inner attitudes of their minds, can change the
> outer aspects of their lives.
> William James (1842 - 1910)
>
>
>
>
>> Date: Sat, 7 Feb 2009 06:13:11 +0000
>> From: [email protected]
>> To: [email protected]
>> Subject: [Bug 326354] Re: Mouse looses sync - X Restart seems only restore
>> option
>>
>> I suppose this is the bug you're looking for:
>> https://bugs.launchpad.net/ubuntu/+bug/296167
>>
>> Xinerama causes that, try TwinView.
>>
>> --
>> Mouse looses sync - X Restart seems only restore option
>> https://bugs.launchpad.net/bugs/326354
>> You received this bug notification because you are a direct subscriber
>> of the bug.
>>
>> Status in Ubuntu: New
>>
>> Bug description:
>> Release: Ubuntu 8.10 (intrepid)
>> Gnome: 2.24.1 (Ubuntu 2008-10-24)
>> Kernel: 2.6.27-11-generic (#1 SMP Thu Jan 29 19:28:32 UTC 2009)
>> CPU: AMD Turion(tm) 64 X2 Mobile Technology TL-56
>>
>> At completely random times, the mouse looses sync, and fails to recover.
>> This affects only the *click* functions, not pointer visibility or travel.
>> I've seen reports, in various Linux flavors, with errors of psmouse.c losing
>> sync, but haven't found any specifically talking about a loss of click
>> functionality.
>>
>> I've attached a log dump of all /var/log files containing the string
>> 'mouse'. You can see where the driver is frequently losing/restoring sync.
>> At some point, it simply loses sync, and fails to restore.
>>
>> I've tried to tie this to specific actions, CPU loads or high memory
>> utilization, but thus far, it's seemed random, in that it's not tied to any
>> specific action or application I've noticed. However, it does only seem to
>> occur, when there are user-initiated active processes going on. If the
>> machine is idle and processing normally, things are fine.
>>
>> This is an HP Pavilion DV9320US. Ubuntu 8.10 is the only release to be
>> installed to this machine, so I cannot say if prior releases had this
>> problem. This has been an ongoing problem since the OS was installed, in
>> Nov/Dec time-frame.
>>
>> Problem *seems* to be tied to a kernel issue, as seen in these log entries,
>> which is an example of the sync loss, requiring either a reboot or X restart:
>>
>> syslog.0:Feb 4 00:30:27 Megatron kernel: [11315.129813] psmouse.c: TouchPad
>> at isa0060/serio1/input0 lost sync at byte 4
>> syslog.0:Feb 4 00:30:27 Megatron kernel: [11315.129818] psmouse.c: issuing
>> reconnect request
>>
>> kern.log.0:Feb 4 00:30:27 Megatron kernel: [11315.129813] psmouse.c:
>> TouchPad at isa0060/serio1/input0 lost sync at byte 4
>> kern.log.0:Feb 4 00:30:27 Megatron kernel: [11315.129818] psmouse.c:
>> issuing reconnect request
>>
>> ProblemType: Bug
>> Architecture: amd64
>> DistroRelease: Ubuntu 8.10
>> ExecutablePath: /usr/bin/gnome-system-log
>> NonfreeKernelModules: nvidia
>> Package: gnome-utils 2.24.1-0ubuntu1
>> ProcEnviron:
>> PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
>> LANG=en_US.UTF-8
>> SHELL=/bin/bash
>> SourcePackage: gnome-utils
>> Uname: Linux 2.6.27-11-generic x86_64
>>
>
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--
Mouse looses sync - X Restart seems only restore option
https://bugs.launchpad.net/bugs/326354
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