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Old 08-06-10, 06:02 PM   #6
danix
NVIDIA Corporation
 
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Join Date: Feb 2010
Location: Santa Clara, CA
Posts: 237
Default Re: Ubuntu 10.04 with 3100M - 75% boot failure, black screen

Actually, some newer laptops have their internal panels wired up as DisplayPort instead of LVDS these days. This appears to be one of them:

(--) Aug 03 20:53:54 NVIDIA(0): Connected display device(s) on NVS 3100M at PCI:1:0:0:
(--) Aug 03 20:53:54 NVIDIA(0): LGD (DFP-3)
(--) Aug 03 20:53:54 NVIDIA(0): LGD (DFP-3): 480.0 MHz maximum pixel clock
(--) Aug 03 20:53:54 NVIDIA(0): LGD (DFP-3): Internal DisplayPort

The DisplayPort warning message that appears in the X log is probably not related to the problem here. I've heard reports of Ubuntu Lucid machines not being able to start gdm properly every time, but I haven't been able to reproduce this failure myself:

https://bugs.launchpad.net/bugs/532436

It seems like some kind of timing issue that Ubuntu's startup process can trigger sometimes, but not always.
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