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s3 buggy after kernel-update
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maggu2810
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PostPosted: Tue Nov 15, 2005 6:31 pm    Post subject: s3 buggy after kernel-update Reply with quote

i own a 'targa traveller 811'. the company 'targa' supports only microsoft windows (who is suprised).
for a few month i spend a lot of time to get s3 working and since then i used suspend-to-ram with full satisfaction with kernel 2.6.12-gentoo-r10 (kernel from gentoo-sources with my own configuration).
because of an update to version 2.6.14-gentoo-r2 the screen keeps blank / black / off after wake up from s3. i changed nothing in the kernel confiuration (except the new functions - make oldconfig...).
where can be the problem?
does somebody know what could be responsible for this?
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Johan_V
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PostPosted: Tue Nov 15, 2005 6:55 pm    Post subject: Reply with quote

What options you passed to kernel? Is the keyboard still working?
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maggu2810
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PostPosted: Tue Nov 15, 2005 7:43 pm    Post subject: Reply with quote

the laptop wakes up, only the lcd is blank. i can execute commands (blind), can start the ssh daemon an connect from an other pc to the laptop...
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Johan_V
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PostPosted: Tue Nov 15, 2005 8:13 pm    Post subject: Reply with quote

Reset video with vbetool or video_post from http://www.srcf.ucam.org/~mjg59/laptops/.
You can also try kernel option acpi_sleep=s3bios,s3mode.
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maggu2810
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PostPosted: Tue Nov 15, 2005 8:19 pm    Post subject: Reply with quote

thanks Johan_V

Quote:

Reset video with vbetool or video_post

vbetool vbestate save > ...
vbetool vbestate restore < ...
does not help.
it worked for my 2.6.12-gentoo-r10 kernel, but not for the 2.6.14-gentoo-r2

Quote:

You can also try kernel option acpi_sleep=s3bios,s3mode.

i tested it with a lot of kernel parameters (also with acpi_sleep=s3bios,s3mode)

i am confused, because it worked with the 'old' kernel and not with the 'new'

the lcd is not only black, it is without any light (i do not know, how i should say...). it seems, that rhe power connection is not re-established.
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Johan_V
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PostPosted: Tue Nov 15, 2005 9:23 pm    Post subject: Reply with quote

Did you try video_post too? Also try switching virtual terminals with chvt.
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maggu2810
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PostPosted: Wed Nov 16, 2005 9:21 am    Post subject: Reply with quote

i tested the 'video-post_0.1.orig.tar.gz' after a wake up - it did not help.

if i start the utility under working system, the screen goes also blank and the system hangs.
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Johan_V
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PostPosted: Wed Nov 16, 2005 10:59 am    Post subject: Reply with quote

I cannot think anything else. Maybe you should go back to previous kernel version.
You could try noapic or pci=noacpi options but I don't think they will make any difference.
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Johan_V
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PostPosted: Wed Nov 16, 2005 4:49 pm    Post subject: Reply with quote

UPDATE: I have similar problems using 2.6.14-gentoo-r2 kernel. Removing kernel option
acpi_sleep=s3_bios,s3_mode seems to help in my case.

Also try swithing to text console using chvt, suspend, and then switch back to X with chvt 7.
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