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[Launchpad Bug Tracker <534754@xxxxxxxxxxxxxxxxxx>]

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Binary package hint: gdm

In Ubuntu 10.04, X crashes consistently on the suspend/resume cycle.

The symptoms are one of the following:

* X crashes on standby: the gdm-greeter screen appears complete with
login prompt just before standby. The system either enters standby or
doesn't; I can log in to X again.

* X crashes on standby: the gdm-greeter screen appears but without login
prompt. The system either enters standby or doesn't; I can't login
because there is no login prompt and have to reboot the PC.

* X crashes on resume: the PC appears to enter stand-by successfully but
the gdm-greeter screen is present on resume. This may be the same as the
first case except that the PC enters standby earlier, ie before the gdm-
greeter screen can appear.

The attached /var/log/Xorg.0.log shows a segmentation fault in X during
standby.

I have tried different combinations of the 2.6.33 and 2.6.32 (stock
Ubuntu) kernels and the nvidia 195.30 (installed via nvidia installer)
and 195.36.08 (installed with jockey) drivers and they all exhibit the
same problem.

The one time that I can recall a successful standby/resume cycle (ie
where it goes back to the screensaver password prompt) is immediately
after I added the nomodeset command to the kernel boot options. However,
it has not worked successfully since.

ProblemType: Bug
Architecture: amd64
CheckboxSubmission: 1bd8e90541d49b96c13cbfcc9baf103b
CheckboxSystem: d00f84de8a555815fa1c4660280da308
Date: Tue Mar  9 07:55:46 2010
DistroRelease: Ubuntu 10.04
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Alpha amd64 (20100224.1)
NonfreeKernelModules: nvidia
Package: gdm 2.29.6-0ubuntu7
ProcEnviron:
 PATH=(custom, user)
 LANG=en_AU.utf8
 SHELL=/bin/bash
SourcePackage: gdm
Uname: Linux 2.6.33-generic x86_64

** Affects: xorg-server (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug lucid
-- 
X crashes during suspend/resume
https://bugs.edge.launchpad.net/bugs/534754
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