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Tasklist

FS#12508 - X hangs (EQ overflow) on laptop, when no external mouse is plugged in

Attached to Project: Arch Linux
Opened by Visa Jokelainen (Viski) - Friday, 19 December 2008, 21:35 GMT
Last edited by Jan de Groot (JGC) - Sunday, 08 March 2009, 14:32 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To No-one
Architecture i686
Severity High
Priority Normal
Reported Version None
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:

On my laptop X runs as it should when usb mouse is plugged in. Without the mouse, X starts OK but starts to feel sluggish and hangs up completely in few seconds.

Additional info:
* package version(s)
** xorg-server 1.5.3-4
** xf86-input-evdev 2.1.0-1
** xf86-input-synaptics 0.99.2-1
** xf86-video-ati 6.9.0-5

* config and/or log files etc.

** Xorg.0.log attached with and without the mouse

Steps to reproduce:
This task depends upon

Closed by  Jan de Groot (JGC)
Sunday, 08 March 2009, 14:32 GMT
Reason for closing:  Fixed
Comment by Visa Jokelainen (Viski) - Friday, 19 December 2008, 21:40 GMT
Forgot to mention that I'm running xorg with hotplugging, so no xorg.conf at all.
Comment by Visa Jokelainen (Viski) - Friday, 19 December 2008, 21:45 GMT
Let's see if the logs are willing to attach now...
   Xorg.0.log_with_mouse (32.8 KiB)
   Xorg.0.log_without_mouse (32.7 KiB)
Comment by Jan de Groot (JGC) - Saturday, 20 December 2008, 00:44 GMT
Something is overflowing a buffer, which causes your slowdowns and eventually makes whole Xorg unusable. I haven't been able to reproduce this problem yet, but some other developer did and it's a known symptom upstream (note the symptom: you'll find several bugs, all with different causes upstream, with this error message).

Does the problem go away when removing the synaptics driver from your system and restarting X? This could help us to track down the source of this bug.
Comment by Visa Jokelainen (Viski) - Saturday, 20 December 2008, 07:21 GMT
No, removing the synaptics driver doesn't help. And restarting the X requires restarting the whole system, since all the key inputs are lost somewhere in the X.
Comment by F.Di Milia (PyCoder) - Saturday, 31 January 2009, 14:22 GMT
I have the same problem on a Lenovo N200 3000.
Comment by Visa Jokelainen (Viski) - Tuesday, 10 February 2009, 19:44 GMT
The problem seems to have been corrected in a recent update. I can now run my system without the usb mouse attached. Current program versions are:
** xorg-server 1.5.3-4
** xf86-input-evdev 2.1.0-1
** xf86-input-synaptics 0.99.3-1
** xf86-video-ati 6.10.0-1

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