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-   -   M2NPV-VM + nvidia driver = BIOS hangs on reboot (http://www.nvnews.net/vbulletin/showthread.php?t=93020)

Henk Poley 06-10-07 06:15 AM

M2NPV-VM + nvidia driver = BIOS hangs on reboot
I just found out that my reboot problem is related to whether or not X is started. When I reboot with the nvidia drivers loaded, the screen blanks, DVD spins up, but then nothing (no BIOS screen).

Is this a known bug with the Asus M2NPV-VM motherboard? And how to debug this problem? (I need the nvidia driver for the TV-out, and a reboot for setting the wakeup time of the system)

piotrq__ 06-10-07 07:09 AM

Re: M2NPV-VM + nvidia driver = BIOS hangs on reboot
Ummm... Tried a BIOS update from ASUS ?

Henk Poley 06-10-07 07:51 AM

Re: M2NPV-VM + nvidia driver = BIOS hangs on reboot [fixed]
Yup, I have BIOS 0901, which is latest. Also just found out that Windows users are reporting the same problem. Supposed fix is disabling Cool'n'Quiet in the BIOS. This worked, and after re-enableing CnQ it still works :-?

It could very well be that a fix for Ubuntu bug #118015 [1] got snugged in when I ran the latest updates. The bug mentions a similar reboot problem which can be fixed by stopping 'powernowd' just before reboot, which means setting the cpu scaling governor back to no powersaving.

What part of the nvidia driver triggered this bug is stil a mystery to me.

[1] https://bugs.launchpad.net/ubuntu/+s...wd/+bug/118015

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