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Old 11-30-2011, 11:12 AM   #1
Shark82
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kernel 3.1 and newer blanks my screen


Hi

I have ArchLinux, XFCE. From the kernel 3.1 onwards when my power-manager blank the screen i cannot recall my screen back to normal, switching consoles doesn't help - it remains black. I have to suspend and then wake a computer to go back to normal. I know it is the kernel because if i downgrade it the problem disappears. My logs are in this forum thread:https://bbs.archlinux.org/viewtopic.php?id=130052
I posted it here too because for some time now nothing happened regarding the issue.

Thanks for all help
 
Old 11-30-2011, 01:24 PM   #2
corp769
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Are you using ACPI or APM power management on your computer? I am thinking it may be a combination kernel/hardware issue; If you use ACPI, try disabling it before you boot into your 3.1 kernel via kernel options in grub, and let me know if it does anything.
 
Old 11-30-2011, 03:44 PM   #3
Shark82
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Actually, problem is solved. Look at my upper link. The problem was some acpi lines in my kerneline: acpi_osi=Linux acpi_backlight=vendor.
Now the problem is gone away tough i have to tackle with my volume buttons now. Volume down and mute stopped working. Oh well, at lest black screen has gone

Thanks for help.
 
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Old 11-30-2011, 04:08 PM   #4
corp769
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Yup, that will do it
I had a similar problem in the past on my old acer.... I had to spend some time tweaking the ACPI settings to get everything just right.
 
Old 11-30-2011, 10:34 PM   #5
griffinwebnet
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OK how exactly did you fix this? I have a feeling, that the problem i am having may be solved the same way...
 
Old 12-01-2011, 07:20 AM   #6
Shark82
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Quote:
Originally Posted by griffinwebnet View Post
OK how exactly did you fix this? I have a feeling, that the problem i am having may be solved the same way...
In my kernel line (in grub menu) i had this "acpi_osi=Linux acpi_backlight=vendor". When i removed it everything was fine.

Last edited by Shark82; 12-01-2011 at 09:01 AM.
 
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Old 12-01-2011, 02:01 PM   #7
griffinwebnet
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wow im an idiot if i had simply looked at your link i would have seen that :P Anyways thanks and ill see if that works for me

-JL
 
  


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