Radeon HD 6290 and radeonkms

[KOT MATPOCKuH]

2013/11/8 Jean-Sébastien Pédron <dumbbell at freebsd.org>

> Is possible to use radeonkms on Radeon HD 6290 card?
>
>> I tried to boot kernel with loaded radeonkms module, but amd64 and i386
>> kernels hangs while booting after messages like this:
>>
>
> Your card is an integrated card (IGP), right? There's one known issue: we
> fail to detect that it's the default output at boot time.
>
Yes, this card is integrated  into AMD C-60 processor.

 Try to put this line in your /boot/loader.conf, and reboot:
>   hw.pci.default_vgapci_unit="0"
>
It fixes problem - I successfully booted both kernels with radeonkms module.
I lost any console output till X starts, but it's known issue too (?).

Can somebody add this workaround to https://wiki.freebsd.org/AMD_GPU ?

But after upgrade x11-drivers/xf86-video-ati port version from 6.14.6 to
7.2.0 I got second problem:
X starts, correctly set resolution for display, but on display I see only
noise.
I logged via ssh and tried to change resolution via xrandr, but without any
result.
Also "X -configure" fails with core dump.
X -configure output, Xorg.0.log's for ATI driver versions 6.14.6 and 7.2.0
attached.

Tell us if this fix your problem with both i386 and amd64. That silent
> reboot is not a known issue.

In my amd64 kernel's config was have "device radeondrm". After commenting
out this string the problem was solved.

-- 
MATPOCKuH
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