I'm seeing the same thing on a Sony Vaio VGN-FE41Z, with Gutsy x86_64
(and Hardy beta).
After having previously done a Suspend/Resume everything appears to be
working okay. If at some point I log-out Xorg hangs the entire PC during
its restart, before it can display the log-in prompt. Instead it leaves
the screen blank. The same thing occurs if the restart is done from a
terminal using "sudo /etc/init.d/gdm restart".
nvidia-glx-new has to be used when doing suspend/resume since the nv
driver doesn't/can't reinitialise the graphics card on resume.
At the very least Xorg should handle the issue and exit gracefully - it
shouldn't lock up the system.
I compared the /var/log/Xorg.0.log files of a good start and the failing
one, and it seems to indicate that after the suspend/resume cycle Xorg
doesn't free system resources when it stops.
$ diff -au Xorg.0.log Xorg.0.log.old
--- Xorg.0.log 2008-04-03 11:11:28.000000000 +0100
+++ Xorg.0.log.old 2008-04-03 12:06:39.000000000 +0100
@@ -11,7 +11,7 @@
Markers: (--) probed, (**) from config file, (==) default setting,
(++) from command line, (!!) notice, (II) informational,
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
-(==) Log file: "/var/log/Xorg.0.log", Time: Thu Apr 3 11:09:46 2008
+(==) Log file: "/var/log/Xorg.0.log", Time: Tue Apr 1 13:33:30 2008
(==) Using config file: "/etc/X11/xorg.conf"
(==) ServerLayout "Dual-screen Layout"
(**) |-->Screen "Default Screen" (0)
@@ -666,3 +666,26 @@
ProcXCloseDevice to close or not ?
ProcXCloseDevice to close or not ?
SetClientVersion: 0 9
+SetGrabKeysState - disabled
+Synaptics DeviceOff called
+(II) Screen 0 shares mem & io resources
+(II) Screen 1 shares mem & io resources
+Synaptics DeviceOn called
+(II) Open ACPI successful (/var/run/acpid.socket)
+(II) Screen 0 shares mem & io resources
+(II) Screen 1 shares mem & io resources
+(II) Screen 0 shares mem & io resources
+(II) Screen 1 shares mem & io resources
+(II) NVIDIA(0): Setting mode "nvidia-auto-select+0+0"
+(II) NVIDIA(1): Setting mode "1280x1024+0+0"
+(II) Entity 0 shares no resources
+(II) Entity 1 shares no resources
+Synaptics DeviceOn called
+(--) Synaptics Touchpad auto-dev sets device to /dev/input/event3
+(**) Option "Device" "/dev/input/event3"
+(--) Synaptics Touchpad touchpad found
+(II) Configured Mouse: ps2EnableDataReporting: succeeded
+SetGrabKeysState - enabled
+Synaptics DeviceOff called
+(II) Screen 0 shares mem & io resources
+(II) Screen 1 shares mem & io resources
** Also affects: xorg-server (Ubuntu)
Importance: Undecided
Status: New
--
Restarting Xorg after suspend causes system to hang.
https://bugs.launchpad.net/bugs/43625
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