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Old 09-16-04, 10:07 AM   #1
alsm
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Join Date: Sep 2004
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Thumbs down LCD simply turns off with nvidia driver

I've been trying to use nvidia driver on my laptop (toshiba satellite 2455-s305), and I have no idea what the problem is. When I try to start the X server using the nvidia driver, the monitor goes dark, but for some time you can see it's on, after a while, it goes completely dark, like if it was shut off. Despite all that, everything freezes, and my only option is to reboot everything with the magic sysreq key. I have installed 2.6.8.1 kernel, Xorg 6.8.0, and the graphics card is GeForce 4 420 Go.

Another strange thing: it seems xorg doesn't record log messages for this. After every atempt to startx, I have to boot Knoppix, change the Drive "nvidia" to "nv", and when I go in Xorg.0.log, the messages are from the latest normal startup, which means, they are from the "nv" driver, not the "nvidia".

bash-2.05b$ sudo /sbin/lsmod
Module Size Used by
nvidia 2075144 0

I installed the driver from gentoo nvidia-kernel and nvidia-glx:

bash-2.05b$ epm -qa | grep nvidia
nvidia-glx-1.0.5336-r2
nvidia-kernel-1.0.5336-r4


Any help is positive for me.

The Xorg.0.log and my xorg.conf are attached
Attached Files
File Type: txt Xorg.0.log.txt (35.9 KB, 120 views)
File Type: txt xorg.conf.txt (14.5 KB, 126 views)

Last edited by alsm; 09-16-04 at 10:13 AM. Reason: Some info I forgot
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Old 09-17-04, 03:14 PM   #2
alsm
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Question Re: LCD simply turns off with nvidia driver

I solved this problem. The error was in the kernel, I had to re-compile it and change the stack back to 8kb. The 2.6 series (I think that's it) reduced the stack to 4kb.

But, now I have another problem. I boot, the module loads ok, the nvidia logo appears on the screen, after the X server starts. I log in as my normal user, and just before KDE finishes loading everything freezes again, and I have to reboot with the sysreq again. I tryed desabling agpart on the kernel and using the Option NvAGP but the result was the same. The only strange message I found is this one:

(WW) Open APM failed (/dev/apm_bios) (No such file or directory)
this on the Xorg.0.log

any suggestions?
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Old 09-17-04, 04:54 PM   #3
Cartman
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Default Re: LCD simply turns off with nvidia driver

Quote:
Originally Posted by alsm
(WW) Open APM failed (/dev/apm_bios) (No such file or directory)
Try modprobe apm as root.
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Old 09-17-04, 05:56 PM   #4
alsm
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Default Re: LCD simply turns off with nvidia driver

I don't have apm enabled, I use acpi, do you think this can be causing the freezing problem?
I have seen so many different things for similar problems here in the forum, but I still didn't make it.
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