regression on RV280 card freeze, patch not applicable any more
joro-2013 at t-online.de
Sat Oct 5 06:13:40 PDT 2013
I'm running a RV280 based Radeon 9200 card (I know, an ancient card) in
a Mac Mini G4 (powerpc-architecture) with Ubuntu Precise and the latest
3.4.64-kernel/ati driver and get lockups when trying to run the card in
AGP mode (KMS enabled). The lockups happen when resetting the card
(that's what I can infer from the oops-screen). PCI mode works. After
researching I found a old bug that was fixed back in 2006
(_https://bugs.freedesktop.org/show_bug.cgi?id=6011_) that looks like
the freeze I experience (since PCI mode -- which allocates 64 MB of
memory - works and AGP mode which by default allocates 256 MB doesn't).
The card has 64 mb memory.
So the first question is, could this be the problem that causes the
Secondly, the patch that fixed the bug (which is simple enough -- it
just aligns the aperture to the aperture size due to an RV280 errata)
cannot be applied any more because the driver code obviously has been
completely re-organized. Could somebody point me to where the code of
the patch might be inserted into the current driver code ? At the moment
it's missing from the code.
Thank you for your patience
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