Questions about vbestate

["Stefan Dösinger" <stefandoesinger-RbZlAiThDcE@public.gmane.org>]

Hello,
I am still investigating the suspend-to-ram issues with the radeon graphic 
cards. I am trying to get s3 working with the proprietary  fglrx driver from 
ati.

There is no problem with the kernel module, but switching back to the X server 
after resuming and post-ing the card the driver hangs. Bad so far. I 
investigated a little bit more:

*switching to the console(no framebuffer), posting the card with one of the 
c000:3 callers and switching back to X causes a crash

*If I save the card's state with vbesate before calling the post-routine and 
restoring the state afterwards makes switching back to X work again.

*BUT: If I switch to the console, save the state, go to suspend, wake up the 
system and restore the vbestate fglrx crashes again.

So my question is: Are there some settings which might get lost during and S3 
which are NOT restored by vbestate?

I am using fglrx V.8.8.25 with X.Org 6.8.1. I will also write a mail to ATI to 
help them fix their driver. They say that they are aware of this problem and 
haven't found a solution yet.

Note: S3 works fine for me with the gpl "radeon" driver from X.Org. I am 
trying to get fglrx working because I need it for gaming and I don't want to 
switch the konfiguration permanently. It would also help users with a radeon 
>=9200 card.

Cheers,
Stefan


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