[arch-dev-public] [signoff] kernel26

Thomas Bächler thomas at archlinux.org
Thu Oct 8 07:43:14 EDT 2009

Andreas Radke schrieb:
> Am Thu, 08 Oct 2009 13:21:07 +0200
> schrieb Thomas Bächler <thomas at archlinux.org>:
>> Thomas Bächler schrieb:
>>> Another upstream release, I want to move directly after signoff.
>>> Last minute changes:
>>> - Changed number of maximum serial ports to 32
>>> - Enabled ATI KMS (if this causes problems, blame Andy, he says
>>> it's fine :D)
>>> Working fine on x86_64, i686 will be ready soon.
>> Minor upstream update, the same holds again. Please sign off.
>> Also, announcement draft:
>> ATI KMS enabled in 2.6.31 kernel
>> Linux has moved to core and brings a small change for ATI 
>> users: Experimental modesetting for the radeon driver is now enabled.
>> If you have problems with the driver, add "radeon.modeset=0" to the
>> kernel command line or add the line "options radeon modeset=0" to any 
>> modprobe.d file. If you are using catalyst, you might have to
>> blacklist the radeon driver.
> This was my suggestion:
> draft:
> The new kernel 2.6.31 introduces KernelModeSetting(kms) enabled by
> default for AMD/Ati video cards. The kernel will take over setting the
> proper screen resolution. You will need the xf86-video-ati driver in
> version 6.12.4 or later to solve most Xorg problems.
> KMS will by default run in "late" mode when udev starts loading the
> modules. If you want kms "early" mode put "radeon" into the modules
> array into your /etc/mkinitcpio.conf. It has been reported that some
> cards will require also intel_agp module.
> It's important to remove all framebuffer (e.g. radeonfb) modules
> from /etc/mkinitcpio.conf and all framebuffer + vga entries from the
> kernel append line.
> It is possible your Ati card will fail in kms mode. This can be a
> kernel crash, Xorg not starting or Xorg starting without 3D
> acceleration. If you are affected by this disable KernelModeSetting at
> all by putting radeon.modeset=0 into the kernel append line
> in /boot/grub/menu.lst or the lilo configuration file.
> + the catalyst note
> I'm not sure if we want to cover all options in this announcement or
> somewhere else (e.g. wiki). Your choice.
> -Andy

As you have more experience with this ATI stuff, you could post the 
announce, the rest of the kernel doesn't need any announcing.

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