Comment 16 for bug 780961
Revision history for this message
| Bryce Harrington (bryce) wrote Re: Natty Xorg crashes on Thinkpad X201 (i915 driver) when using keyboard-based window management | #16 |
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e3ace39
(Get the code!)
Hi Selene,
I've studied this a bit more and come up with a plan.
1. I notice in your Dependencies.txt that it lists you as having -evdev u12 installed, but there is an -evdev u12.1 available with a fix to a bug not dissimilar to this one (LP #774978). The backtrace in that case is different, but it was a very common bug with very similar symptoms, so perhaps yours is some variant of it.
Possibly you already natty-updates enabled and have that fixed version installed now , but please doublecheck and if not pull it in and test it.
apt-cache policy xserver-
2. If #1 doesn't do it, comment #13's findings might be interesting to explore. One of the main differences between us and debian are the Xi2 multitouch patches. I've prepared a set of packages for you to test which have these patches disabled. Please install this whole PPA and try reproducing the crash:
https:/
3. The backtrace in this case is not telling us exactly what is going on. It's like finding your car in the lake - the lake didn't cause the crash, it's just what ruined all your upholstery. So, to try and get a bit better details, I've prepared a debug version of xserver. Disable and uninstall the melon PPA from #2, and install this one instead:
https:/
Then, reproduce the crash and collect another backtrace (or collect several if you notice the backtrace varies from crash to crash). Then uninstall the PPA (ppa-purge can be useful here).
4. Finally, if none of the other options work, please install the xorg-edgers PPA and verify the crash still occurs there. If it does, I can forward the bug upstream. Again, ppa-purge can be used to restore your system back to non-xorg-edgers when you're done.