Error in rs400_gart_adjust_size

[Alex Deucher]

On Thu, Dec 16, 2010 at 9:05 AM, Fernando Alvarado <fencore at gmail.com> wrote:
> Alex Deucher <alexdeucher at ...> writes:
>
>>
>> On Mon, Apr 26, 2010 at 3:05 PM, Daniel Klaffenbach
>> <danielklaffenbach at ...> wrote:
>> > Dave Airlie wrote:
>> >> from memory it was rs480+4GB RAM where the issue arose.
>> > I only have 2GB of memory in my laptop (still 64bit system). I also
>> > lowered the graphics memory in BIOS to 32MB, but the error still appears.
>> >
>> > Alex Deucher wrote:
>> >> https://bugs.freedesktop.org/show_bug.cgi?id=27529
>> >> is likely related.
>> > Possibly. Sometimes I also get screen corruptions but only in KMail. I
>> > forgot to mention that the error message comes up right at boot time
>> > (even before the framebuffer with Tux kicks in).
>>
>> The dmesg error is misleading.  It's just telling you the gart
>> aperture has been limited to 32 MB by the driver.  We should probably
>> make that an info message or remove it altogether.
>>
>> Alex
>>
>
> So this thing has nothing to do with the instability of the OS? nothung to do
> with the randomized corrupt screen at start up before the Ubuntu welcome screen
> appears? I'm sorry but I'm kind of new at this things: what's happen to the
> performance of the ATI Radeon Xpress 200 with the Gart being limited to that
> size?
> I've just get to this site from here
> https://bugs.launchpad.net/ubuntu/+source/linux/+bug/562843
>
> Regards and thanks for the help

Make sure your kernel has these patches:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=8d369bb196f1f9111cb7ab839d4f420378fa7b30
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=833ee5c4ab36937a99e63935d7f06bc2c1f9343b

Alex