I'm trying to troubleshoot an intermittent video failure.
Sometimes at logout, the screen goes black instead of showing the login screen again.
The system seems responsive but I get no video. Haven't tried a remote login but I think it would work. My way out of the problem is to press control-alt-delete and the system goes into a controlled reboot.
This is an Asus ul50vt with hybrid graphics, onboard intel and discrete nvidia, but the BIOS is set to only know of the nvidia card.
It is running on the proprietary nvidia driver and seems to work fine.
I found this in the system log:
Nov 17 19:36:01 gdm-binary[1869]: WARNING: GdmDisplay: display lasted 2.957683 seconds
Nov 17 19:36:02 acpid: client 1900[0:0] has disconnected
Nov 17 19:36:04 gdm-binary[1869]: WARNING: GdmDisplay: display lasted 2.920398 seconds
Nov 17 19:36:12 gdm-binary[1869]: WARNING: GdmDisplay: display lasted 2.920477 seconds
Nov 17 19:36:15 gdm-binary[1869]: WARNING: GdmDisplay: display lasted 2.970521 seconds
Nov 17 19:36:18 gdm-binary[1869]: WARNING: GdmDisplay: display lasted 2.877427 seconds
Nov 17 19:36:21 gdm-binary[1869]: WARNING: GdmDisplay: display lasted 2.865047 seconds
Nov 17 19:36:21 gdm-binary[1869]: WARNING: GdmLocalDisplayFactory: maximum number of X display failures reached: check X server log for errors
The Xorg.log looks similar on a success and a fail up to the point "Connected display device(s)" where a fail reads:
[191351.816] (--) NVIDIA(0): Connected display device(s) on GeForce G210M at PCI:1:0:0
[191351.816] (--) NVIDIA(0): none
[191351.819] (EE) NVIDIA(0): No display devices found for this X screen.
[191354.112] (II) UnloadModule: "nvidia"
[191354.112] (II) UnloadModule: "wfb"
[191354.112] (II) UnloadModule: "fb"
and a success reads:
[ 477.170] (--) NVIDIA(0): Connected display device(s) on GeForce G210M at PCI:1:0:0
[ 477.170] (--) NVIDIA(0): AUO (DFP-0)
[ 477.170] (--) NVIDIA(0): AUO (DFP-0): 330.0 MHz maximum pixel clock
[ 477.170] (--) NVIDIA(0): AUO (DFP-0): Internal Dual Link LVDS
[ 477.223] (II) NVIDIA(0): Assigned Display Device: DFP-0
Any suggestions on troubleshooting this will be appreciated.
Linear Mode
