[Bug 23103] screen not lighting up on resume when using kms

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=23103





--- Comment #45 from Christian Hartmann <cornogle at googlemail.com>  2009-11-24 08:51:09 PST ---
Update of 2.6.32-rc8:

a) s2disk and s2ram works perfectly for me now after pulling 
drm-2.6 drm-linus 

commit 1d33047c9f0ad5a5e3cacf496557aa1672d95d41
Merge: 28590df 5349ef3
Author: christian hartmann <cornogle at googlemail.com>
Date:   Tue Nov 24 15:13:51 2009 +0100

    Merge branch 'drm-linus' of
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 into
rc8_drm_readback

b) therefore some icons (the gnome-panel icons) are now screwed up now.

c) echo mem > /sys/power/state will suspend and resume, but the screen looks
very strange, I can see for a few miliseconds a message  "codec_read 0: read
timeout for register 0x2", the screen looks like it will burn / flame, it look
cool too :) Xorg is running opkay, after the resume from mem.

d) I tried also vbetool post in the console, but this is horrible, cause black
screen as it is described above from  eruditehermit. Switching to X looks show
me a very big mouse pointer, but I can not see anything else. I was able to
blindly type "rcgdm stopt" or to login blindly via gdm and perform a rcgdm
stop. 
When I switch back from Xorg here, the console is not resetted as it should be.
It is lighted up, but I see the whole screen is flashing with random chars in
darkgrey like a cursor does in the console. Restarting gdm/xorg gives me the
same error as before the latest git pull:
[ 2320.550802] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule
IB(11).
[ 2320.559919] [drm:radeon_cs_ioctl] *ERROR* Faild to schedule IB !
[ 2321.352296] [drm:radeon_ib_schedule] *ERROR* radeon: couldn't schedule
IB(11).
[ 2321.361484] [drm:radeon_cs_ioctl] *ERROR* Faild to schedule IB !

So vbetool does not work for me too, yet. (But s2disk does his job now, great.)

e) whenever I have the boot option "splash" enabled, i cannot enter anymore the
uswsup-key to encrypt my suspended image. have  to reboot and set the nosplash
option. sysrequest gives me only help message, but no task, no regs, no mem.
only sysrq + O (poweroff) works at this state. this is all the time I have KMS
enabled. using so far no splash until it it would be fixed.


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