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Bug#617866: uvesafb: cannot reserve video memory at 0xf0000000 and error -5



On Sat, 2011-03-12 at 23:08 +0100, gernotk wrote:
> Hi!
> 
> On Sat, Mar 12, 2011 at 10:08:54AM +0100, Julien Cristau wrote:
> > On Sat, Mar 12, 2011 at 00:47:00 +0100, Gernot Kieseritzky wrote:
> > 
> > > I tried to load uvesafb in order to get frame buffer support for the
> > > native 1024x600 resolution of my JVC MP-XP731 laptop. So I added
> > 
> > You should get that from the i915 kernel mode setting driver, not
> > uvesafb.
> 
> Okay, I'll try to activate KMS, which was off by default after base
> install of debian/squeeze. I guess, it only gets activated by the
> installer selecting tasksel desktop.

KMS is disabled by default in the kernel, so that it is possible to
upgrade just the kernel in a 'lenny' installation without breaking X.
The X drivers that can work with KMS then install configuration files to
enable it in the corresponding kernel driver.

You should create a similar configuration file in /etc/modprobe.d (the
name must end in '.conf') with the text:

    options i915 modeset=1

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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