[ltp] Re: Possibly Solved: i855-based ThinkPad R51 suspend-to-RAM

Fri, 15 Apr 2005 17:43:04 +0200

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Andrew Barr schrieb:

> <posted & mailed>
> 
> Jan Girlich wrote:
> 
>>But no success. The problem is pretty the same:
>>After waking my R51 up the moon-LED keeps shining and the laptop makes
>>some noises (HDD, CDROM, ...) but no network connection and the screen
>>is freezed.
> 
> It sounds like something else is wrong. I always had a network connection,
> even with frozen video, and the half-moon LED goes off. I have BIOS 1.21
> and EC 1.04, if that helps. Perhaps acpi_sleep=s3_bios is the problem?

I took acpi_sleep=s3_bios off and use the same BIOS and EC.

Starting the script from X this happens:

Suspend works fine, waking up seems to work fine (getting picture of my 
Desktop etc.) but then the screen freezes. No reaction on nmouse-moving 
or key-hitting. But I can ssh into my box and restart it.

Starting the script from a text-console this happens:

Again suspends fine, waiking up works, too. But the screen just shows a 
blinking cursor in the upper left, much bigger than the cursor was bevor 
(framebuffer crashed?) No reaction on keys, switching to X shows some 
flickering, some green stripes and then crashes X and I'm not able to 
switch the consoles anymore.

So I took out all the lines mentioning vbetool and tried it again:

Starting the script without vbetool from X this happens:

As usual, suspending works fine. I get the picture of my Desktop, but 
can't do anything. It's pretty the same like with vbetool. The screen is 
freezed and I even can't ssh to it and shut it down. No more reactions.

Starting the script without vbetool from a text-console this happens:

After resuming I see the command-line and I can work as usual. But the 
rest of the screen above the command-line is black and shows the 
"Stopping tasks: ==================|"-line, whatever it showed before 
suspend. When I switch to X it's similar to suspend from a console with 
vbetool. Flickering, black screen and X stops working.

I don't believe it's a module-related problem, because suspending works 
fine for me with the same kernel-config and BIOS 1.11, EC 1.02 and 
acpi_sleep=s3_bios.

Any suggestions? What can I try, what should I report?
Jan

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