http://bugs.freedesktop.org/show_bug.cgi?id=27225
Summary: Radeon KMS fails on Xpress 200M
Product: DRI
Version: unspecified
Platform: Other
OS/Version: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
AssignedTo: [email protected]
ReportedBy: [email protected]
On an Ubuntu Lucid installation (at the moment of writing still beta) KMS
should be enabled on the Radeon Xpress 200M.
But intialization of KMS does fail with the lines in attachment kms_fail.txt
Apparently the driver doesn't like the card's memory, which I believe is an IGP
card without memory itself.
Next thing I tried was passing 'radeon agpmode=-1' to the module, to force it
into PCI mode.
(even though the card does say in lshw:
description: VGA compatible controller
product: RC410 [Radeon Xpress 200M]
vendor: ATI Technologies Inc
physical id: 5
bus info: p...@0000:01:05.0
version: 00
width: 32 bits
clock: 66MHz
capabilities: agp agp-3.0 pm msi cap_list
configuration: latency=64 mingnt=8
resources: memory:c0000000-cfffffff(prefetchable)
ioport:9800(size=256) memory:fe1f0000-fe1fffff
memory:fe1c0000fe1dffff(prefetchable)
and so I think is an AGP card and not a PCI(E) card)
anyhow, this does seem to improve the situation, because now can KMS be loaded.
But a new error appears: it says it fails the r100_ring_test with 0xCAFEDEAD. I
don't know why it fails, I found multiple people with this problem on the
internet, but nobody with a fix.
The log of this one I will attach as kms_forceagp-1_fail.txt
Notes:
Tested: kernel 2.6.32(from lucid with DRM code), 2.6.33 and 2.6.34-rc1
Tested: DRM 2.4.18 (from lucid), 2.4.19+git20100318 (xorg-edgers repository)
I load radeon in /etc/modules to force the loading of the driver in time to
assure that the firmware does load in time (recommended by developers)
Already thanks for your time, if you need more information/testing I am willing
to of course.
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