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Subject: Re: PMU_IOC_SLEEP failed
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: jjDaNiMoTh <jjdanimoth@gmail.com>
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Date: Wed, 29 Dec 2010 07:54:08 +1100
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On Tue, 2010-12-28 at 17:39 +0100, jjDaNiMoTh wrote:
> 2010/12/28 Michel Dänzer <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

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.

Cheers,
Ben.