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[Bug 790433] Re: radeon driver crashes (freezing the system) on 11.04 when forcing KMS on Power G5

To: ubuntu-x-swat@xxxxxxxxxxxxxxxxxxx
From: "Sergey V. Udaltsov" <sergey.udaltsov@xxxxxxxxx>
Date: Tue, 31 May 2011 20:32:16 -0000
Reply-to: Bug 790433 <790433@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

BTW, I had to put (manually) the following into /etc/modules:

radeon
drm
drm_kms_helper

otherwise in Xorg.0.log:

[    53.714] (EE) RADEON(0): [dri] RADEONDRIGetVersion failed because of a version mismatch.
[dri] This chipset requires a kernel module version of 1.17.0,
[dri] but the kernel reports a version of 2.8.0.[dri] If using legacy modesetting, upgrade your kernel.
[dri] If using kernel modesetting, make sure your module is
[dri] loaded prior to starting X, and that this driver was built
[dri] with support for KMS.
[dri] Disabling DRI.

In that case, no acceleration - and no crashes.

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https://bugs.launchpad.net/bugs/790433

Title:
  radeon driver crashes (freezing the system) on 11.04 when forcing KMS
  on Power G5