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-   -   how to get X not to use KMS? (http://www.linuxquestions.org/questions/debian-26/how-to-get-x-not-to-use-kms-840240/)

Peterius 10-25-2010 12:12 AM

how to get X not to use KMS?
 
A recent Debian update in unstable(sid?) seems to require KMS for my Thinkpad x60:

(EE) intel(0): No kernel modesetting driver detected.

Latest kernel 2.6.36 and i915.modeset=1 has the screen go black on booting and it doesn't come back.

Is there anyway to use X without modesetting?

the trooper 10-25-2010 04:29 AM

Quote:

Is there anyway to use X without modesetting?
Change modeset=1 to nomodeset in /etc/default/grub.
Don't forget to run update-grub afterward.

Peterius 10-25-2010 12:22 PM

Thanks for reading. I meant X, not the kernel?

jim_p 10-25-2010 01:21 PM

Modesetting is part of the vga drivers, which in turn are part of the kernel.

Peterius 10-25-2010 01:35 PM

I know that modesetting is part of the kernel. I also know that X worked without it before the debian update. The kernel driver is broken, and I want to get X to not have a problem with modesetting being off.

Nevermind, I'll submit a bug report and hope they fix it.

Peterius 10-27-2010 01:30 AM

Apparently you have to use KMS and KMS doesn't work with framebuffer drivers in the kernel. So I removed them and my laptop boots now.


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