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Old 07-24-06, 03:36 AM   #1
vherva
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Default 87.62 & 2.6.17-rc1 instant reboots

With Geforce4 MX 440, 87.62, 2.6.17-rc1 and xorg-x11-server-Xorg-1.1.1-6.fc6 I'm getting instant reboots every now and then when I load web pages (opera) with a lot of pictures or scroll a text file in nedit.

The reboot appear pretty spurious, but some pages seem to trigger them quite constantly.

It also happened with 87.51, but not before.

Any ideas?
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Old 07-24-06, 11:20 AM   #2
netllama
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Default Re: 87.62 & 2.6.17-rc1 instant reboots

Please generate and post an nvidia-bug-report.log immediately after this problem reproduces.

Thanks,
Lonni
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Old 07-24-06, 11:45 AM   #3
vherva
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Default Re: 87.62 & 2.6.17-rc1 instant reboots

It also happens with 2.6.18-rc2, xorg-x11-server-Xorg-1.1.1-7.fc6 (just updated).

I can reproduce this at will just by scrolling a text file in nedit (simple X11 text editor) up and down.

It also happens with "nv" driver, not just "nvidia".

Underclocking the card to minimum doesn't help.

Sometimes, just starting X11 server causes a reboot.

I was able to reproduce this with pristine Knoppix 5.0.1 DVD (so it's not my installation to blame.)

I ran memtest86 for a few rounds - nothing. Kernel recompiles don't give errors and CPU temps are under 50C. The video card (Geforce4 MX 440) doesn't have a fan, and it doesn't feel too hot. (I don't suppose this card has temp sensors...?)

I swapped the card to an old TNT2... STILL HAPPENS!

What on earth is going on? This box used to be stable as rock...

I can only think of rottinging mobo.

Any ideas?

How should I try to narrow this down?
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Old 07-24-06, 11:47 AM   #4
netllama
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Default Re: 87.62 & 2.6.17-rc1 instant reboots

It could be an X bug. Or perhaps something specific to your hardware. Its clearly not an nvidia driver bug though.

Thanks,
Lonni
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Old 07-24-06, 12:01 PM   #5
zander
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Default Re: 87.62 & 2.6.17-rc1 instant reboots

@vherva: is this problem specific to fairly recent kernels? A worthwhile test to perform in any case is to check the memory with memtest86+ or another memory test utility.
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Old 07-24-06, 01:51 PM   #6
vherva
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Default Re: 87.62 & 2.6.17-rc1 instant reboots

Quote:
Originally Posted by netllama
It could be an X bug. Or perhaps something specific to your hardware.
I don't (no longer) think it's X. It's very probably HW, as it is somewhat random and only started happening recently. Probably my mobo rottening.

After much effort, I was able to reproduce it without X just by playing an .rm with mplayer in text console (no video, light cpu load). What is more interesting is that it happend twice at the exact same place of the .rm. It just boots without warning. Umh.

Quote:
Originally Posted by netllama
Its clearly not an nvidia driver bug though.
Yes, that goes without saying.
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Old 07-24-06, 01:54 PM   #7
vherva
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Default Re: 87.62 & 2.6.17-rc1 instant reboots

Quote:
Originally Posted by zander
@vherva: is this problem specific to fairly recent kernels? A worthwhile test to perform in any case is to check the memory with memtest86+ or another memory test utility.
(As I said earlier) I already ran a few rounds of memtest86, which showed up nothing.

It seems happen on certain kind of PCI/AGP transfers. Regular CPU load (cpuburn, kernel compile) doesn't seem to do it. I've seen that kind of thing with older VIA based mobos that were misdesigned to begin with -- but how a mobo can rot so that it only starts to happens after years of stable operation is beyond me.
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