KMS generates kernel oops on PowerPC hardware not Apple with RadeonHD 4xxx and 6xxx
michel at daenzer.net
Thu Feb 7 01:03:26 PST 2013
On Mit, 2013-02-06 at 23:31 +0100, mario at locati.it wrote:
> I'm having problems using a KMS enabled kernel 3.4.x with RadeonHD on
> a PowerPC 32 platform (NOT an Apple hardware).
> The kernel always hung with a "Machine check in kernel mode".
> I've compiled the DRM a module and enabled the KMS, then put all the
> required radeon firmware files in "/lib/firmware/radeon".
> I must admit that I'm not an advanced Linux user,only trying my best.
> Attached below two typical kernel logs grabbed from the serial port.
> My system is the ACube Sam460ex, with a CPU AMCC 460ex, an embedded
> PowerPC 32 CPU.
> Here the mother board description:
> The board uses U-Boot as a boot loader:
> Sadly the mother board producer does not support Linux, so no help at
> all from them.
> Please, have a look at my web page about my attempt of using Linux on
> Another Sam460ex user rised a similar problem a year ago here in the
http://lists.freedesktop.org/archives/dri-devel/2012-February/019181.html Ben mentioned some patches which would be needed for your board. Unfortunately, I've never seen those patches in any form. You should probably ask Ben and Tony about them.
Earthling Michel Dänzer | http://www.amd.com
Libre software enthusiast | Debian, X and DRI developer
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