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SubjectRe: video resume stuff
On Fri, 5 Oct 2007, Pavel Machek wrote:

> > I suggest we tackle this *after* the x86 merge.
> Well, we still have the regression on jikos' strange system, and I would
> like to understand what is going on there.

Sorry for this taking too long. Finally I had the time to play with this
again, so here goes the current summary. I have a system here, that:

- with 1d67953f2bda8876045c24ae58841f27d9bb7572 (just before the setup
code rewrite), resumes nicely in VGA console
(acpi_sleep=s3_bios,s3_mode kernel parameter is needed), everything
works

- with c39736823232bc3ca113c8228fa852c09fba300e (just after the setup code
rewrite), VGA text console is garbled after resume - looks like the
video RAM contains some strange data (patterns from BIOS post can be
recognized, there are some various-colored stripes across the screen,
etc). The machine also seems to be frozen (no keyboard LEDs working,
etc).

- with 2.6.23-rc9, the video doesn't come up at all, I can't even see the
garbled picture any more - the display stays blank, the LED diod is
yellow (i.e. looks like completely no signal from VGA card). On the
other hand, the machine seems to work otherwise

--
Jiri Kosina
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