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Bug#631567: [linux-source-2.6.39] Recompiled kernel crash on kms with radeon HD6670



On Fri, 2011-06-24 at 23:55 +0200, Francesco Muzio wrote:
> Package: linux-source-2.6.39
> Version: 2.6.39-2
> Severity: important
> 
> Often the recompiled kernel (with a debian-way: make-kpkg --initrd 
> binary-arch) crashed on loading of the KMS.
> 
> The system is freezed, the keyboard is dead, the machine doesn't answer 
> at the ping and I can only reset the machine
> 
> I haven't any debug information because this crash show a black screen 
> and no file (dmesg, kern.log, messages, ecc) are written
> 
> This has never happened with the kernel 2.6.38 (and the config is the 
> same)

The config cannot actually be the same, since each kernel version has
different config variables.

> and seems (for now) not happen with a pre-build kernel (I have 
> tried linux-image-2.6.39-2-686-pae)
> 
> I have attached at this mail the .config used for my custom kernel, I 
> hope it is useful.
>
> The radeon card is a HD6670 (chip TURKS)

Does it work if you set CONFIG_DRM_RADEON=m, or build the appropriate
firmware into the kernel?

Does it work if you set CONFIG_AGP=y and CONFIG_AGP_AMD64=y?

Ben.

-- 
Ben Hutchings
It is impossible to make anything foolproof because fools are so ingenious.

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