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Bug#605961: xserver-xorg-video-intel: kms prevents X starting on Idealpad U350 unless booted in single-user mode



On Sun, Dec  5, 2010 at 20:36:10 +0000, Wookey wrote:

> +++ Julien Cristau [2010-12-05 19:45 +0100]:
> > On Sun, Dec  5, 2010 at 04:04:59 +0000, Wookey wrote:
> > 
> > > Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-5-686 root=UUID=726cfcad-32c1-4c86-81f7-21b158ae7c00 ro quiet acpi=off
> > 
> > I would guess acpi=off is what's breaking it.
> 
> Very good guess. I had in fact just worked this out and tried it. It
> is indeed the cause. I guess that is a kernel bug? (Maybe it can't work
> without acpi but it should probably say so rather than just quietly
> fail or give a 'no such device' error.) 
> 
It's probably not a bug in the kernel driver, lots of stuff depends on
acpi...  We'll shortly have the intel X driver bail so X can start on
vesa instead in such cases, which should improve things slightly.

Cheers,
Julien

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