[arch-general] Kernel 2.6.32 and Radeon KMS

Thomas Bächler thomas at archlinux.org
Sat Dec 5 09:59:33 EST 2009


Gabriel Morrison Lima Dantas schrieb:
> Hi, I installed kernel26 and kernel26-firmware from testing, and I'm
> experiencing some problems with KMS. During system initialization, the
> system requests the firmware radeon/R300_cp.bin, waits a couple of seconds
> and then proceeds normal initialization. But when I log into X, DRI isn't
> enabled. Checking dmesg, I see that the kernel couldn't load R300 firmware,
> therefore disabling GPU acceleration.
> My problem is the same of this post:
> http://old.nabble.com/kernel-2.6.32-experiences-td26458040.html. Thomas said
> that mkinitcpio automatically inserts firmware listed in modinfo module in
> the initramfs image. When I run modinfo radeon | grep R300, it shows me
> 'firmware: radeon/R300_cp.bin'. So it should be available to kernel at the
> time of requesting it, shouldn't it?
> Has someone any idea to help solving that problem?

Can you remove radeon from initramfs and try in the real system? I 
suspect that the initramfs/udev firmware loader is broken - this can't 
be fixed until we dump klibc, which I don't have the time for currently.

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