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From: jjDaNiMoTh <jjdanimoth@gmail.com>
Date: Tue, 28 Dec 2010 17:39:43 +0100
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Subject: Re: PMU_IOC_SLEEP failed
To: =?UTF-8?Q?Michel_D=C3=A4nzer?= <michel@daenzer.net>
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2010/12/28 Michel D=C3=A4nzer <michel@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