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Re: Suspend to memory: display problem after resume w/ i855

On Mon, 2004-05-10 at 10:49, Warren Togami wrote:
> Manuel M T Chakravarty wrote:
> > On Sun, 2004-05-09 at 23:15, Warren Togami wrote:
> > 
> >>What kernel version?  Please test with kernel-2.6.5-1.358+.
> > 
> > 
> > Urgh - sorry for not mentioning the kernel version.  I originally tested
> > with kernel-2.6.5-1.356.  I just tried kernel-2.6.5-1.358.  The
> > behaviour is exactly the same.
> > 
> > Looks like the graphics adapter is not properly re-initialised during
> > resuming.  Does this work for others with a i8xx chipset or is it maybe
> > just a problem with my video BIOS?  I append what X has to say about my
> > BIOS during initialisation.  Could the last message about "VBE Restore
> > workaround: enabled." be relevant - although this probably only relates
> > to virtual console switching.  The machine is a Fujitsu S6130.
> > 
> Try commenting out this line from you /etc/X11/xorg.conf.
> Load  "dri"
> Does behavior change at all?

To exclude as many components as possible, I tested this in single-user
mode (ie, init S) - as I mentioned in my original message.  Hence, X was
not running at all.  The only component of the DRI infrastructure that I
can't easily disable is AGP, as AGP support is compiled into current FC
kernels, instead of being modules.  (I can recompile the kernel without
AGP if you think it would be worthwhile to test that.)

For completeness sake, I did two more tests:

* Runlevel 3 *without* X: same behaviour as in single-user mode; ie, the
screen is blank, but I can issue shell commands and CTRL-ALT-Delete
works.  However, there is no beep when I press CTRL-G.

* Runlevel 3 with X started, but DRI disabled: The screen remains blank,
as before, but I don't seem to be able to issue shell commands and
CTRL-ALT-Backspace (to kill X) doesn't seem to work.


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