PMU_IOC_SLEEP failed

[jjDaNiMoTh]

2010/12/28 Benjamin Herrenschmidt <benh at kernel.crashing.org>:
> On Tue, 2010-12-28 at 17:39 +0100, jjDaNiMoTh wrote:
>> 2010/12/28 Michel Dänzer <michel at daenzer.net>:
>> [cut]
>> > What exactly does "can't switch over VT" mean?
>> After X is running, I can't switch over ctrl + alt + f{1,2,3,4,5,6}
>> consoles ( the screen flicker, then blank ). If I switch to f7, where
>> X live, all return to normal and I can see normal X window.
>> This doesn't happend with X active.
>>
>> > Sleep requires radeonfb, is that enabled?
>>
>> Of course, but I think there is something wrong:
>>
>> (dmesg..)
>> [...]
>> radeonfb_pci_register BEGIN
>> radeonfb 0000:00:10.0: BAR 0: can't reserve [mem 0xb8000000-0xbfffffff pref]
>> radeonfb (0000:00:10.0): cannot request region 0.
>> radeonfb: probe of 0000:00:10.0 failed with error -16
>
> That looks bad indeed. Send me the complete dmesg, a snapshot of the
> device-tree (tar -c /proc/device-tree >foo.tar) and the output
> of /proc/iomem please.

[1] http://nat.vacau.com/linux/iomem.txt.gz
[2] http://nat.vacau.com/linux/dmesg_37-rc.txt.gz
[3] http://nat.vacau.com/linux/device_tree.tar

Thank you