2.6.23-rc7 + radeonfb/s2ram

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From: Mihai
Date: Friday, September 21, 2007 - 10:27 pm

Hi,

Today, out of curiosity, I pulled 2.6.23-rc7 (leave on the edge in a quiet weekend).
Anyway, it seems that radeonfb and my:
"01:05.0 VGA compatible controller: ATI Technologies Inc ATI Radeon XPRESS 200M 5955 (PCIE)"
don't get along anymore, by:
a) X somehow fails to initialize the card and everything moves really slow (I can
   see how surfaces are drawn pixel-by-pixel); furthermore, garbage stuff appears
   on the screen;
b) after powering up from a s2ram, the system freezes;

b) is not that bad, s2ram never worked on my machine (kjournald and some other kernel
processes, enter disk-sleep and in a matter of seconds, everything just... freezes.
I can type a few commands at the normal console but that is all);

Following the advices in 'Documentation/power/s2ram.txt' helped. Using the regular
VGA console got X on the right track (no more slowness);

Now that I got my hands "dirty", I'm in the mood to make my s2ram work (I've
been using Linux (exclusively) for three years now, it's about time I do a small
contribution). What kernel option must I enable to determine why some processes
enter (and stay in) disk-sleep? I'm on a laptop and I don't think it will withstand
too many reboots :)

I've also attached the output of lspci and dmesg. Maybe someone spots something.

Thanks,

-- 
Mihai Don
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Messages in current thread:
2.6.23-rc7 + radeonfb/s2ram, Mihai , (Fri Sep 21, 10:27 pm)
Re: 2.6.23-rc7 + radeonfb/s2ram, Mihai , (Sat Sep 22, 7:46 am)
Re: 2.6.23-rc7 + radeonfb/s2ram, Benjamin Herrenschmidt, (Sun Sep 23, 3:20 am)
Re: 2.6.23-rc7 + radeonfb/s2ram, Mihai , (Sun Sep 23, 9:37 am)
Re: 2.6.23-rc7 + radeonfb/s2ram, Mihai , (Sun Sep 23, 10:51 am)
Re: 2.6.23-rc7 + radeonfb/s2ram, Mihai , (Sun Sep 23, 11:31 am)
Re: 2.6.23-rc7 + radeonfb/s2ram, Rafael J. Wysocki, (Sun Sep 23, 12:18 pm)
Re: 2.6.23-rc7 + radeonfb/s2ram, Mihai , (Sun Sep 23, 12:22 pm)
Re: 2.6.23-rc7 + radeonfb/s2ram, Oleg Verych, (Sun Sep 23, 2:31 pm)
Re: 2.6.23-rc7 + radeonfb/s2ram, Benjamin Herrenschmidt, (Sun Sep 23, 5:06 pm)
Re: 2.6.23-rc7 + radeonfb/s2ram, Benjamin Herrenschmidt, (Sun Sep 23, 5:07 pm)
Re: 2.6.23-rc7 + radeonfb/s2ram, Andreas Herrmann, (Mon Sep 24, 7:43 am)
Re: 2.6.23-rc7 + radeonfb/s2ram, Mihai , (Tue Sep 25, 12:09 am)
Re: 2.6.23-rc7 + radeonfb/s2ram, Randy Dunlap, (Tue Sep 25, 8:48 am)