linux-kernel - Re: Resuming from hibernation on T61 with nvidia

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Message-ID: <op.v4102pcrwcw97g@localhost>
Date:	Wed, 16 Nov 2011 20:43:27 +0100
From:	dienet <dienet@...zta.fm>
To:	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>
Cc:	linux-acpi@...r.kernel.org,
	Linux PM mailing list <linux-pm@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Resuming from hibernation on T61 with nvidia

On Tue, 15 Nov 2011 20:34:42 +0100, Srivatsa S. Bhat  
<srivatsa.bhat@...ux.vnet.ibm.com> wrote:

> You can try using the pm_test framework for debugging this, to a certain
> extent. See Documentation/power/basic-pm-debugging.txt for details on how
> to use it.

So I run some test:

Using platform in state file:

1. echo freezer > pm_test - no problems.
2. echo devices > pm_test - problems: no picture (LCD is up and shining,  
but there is only black picture [even after 60 seconds]). I can use power  
button to shut down the system. Other keyboard keys are not working (I was  
trying to type reboot with no luck).
3. echo processors > pm_test - the same as above
4. echo core > pm_test - the same as above
5. I turn off the X11 (telinit 2), but the nvidia module is still loaded -  
no problems.
6. I left X11 working on f7 (7th tty) and switch to f1 (1st tty) - echo  
core > pm_test works OK, but switching back to X11 (alt+f7) will give me  
the same as in 2. I can change the brightness of black screen, but I can  
not go back to tty1 (ctrl+alt+f1).

Is there more I can do?

-- 
pozdr0
dienet

"Old C programmers never die. They're just cast into void."

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