Smells like a hardware problem.
One of:
a) Overheating or
b) Bus timing issue or something.
The reason being is that you say the power button won't work, and the crashes
are random-like. Does it responds to a reset? This is an NMI to the CPU which
cannot be masked or blocked, so if that does not work, it has to be
a hardware problem, and I'd be suspicious of an overheating CPU.
Try poking around in your BIOS and alter some of the timing - wait-states etc.
Keep a note of every change you make. Make one change at a time, then test.
If you have an alternative video-card to try, see if it is on the Linux
hardware compatibility list and try changing that. I've heard that video
cards can cause quite a few issues.
Jeremy
On Fri, 7 Sep 2001 20:28, you wrote:
> Hello.
>
> I encounter serious crashes with XFree 4.1.0 [1].
>
> The screen freezes, the system won't respond to anything, even running
> processes seem to stop (concluded from the fact that
> hard-disk-activities during a long compile suddenly stopped during the
> last crash. -- the compile was started from a tty). Even the
> power-button won't work anymore: I have to pull out the electric cable
> and remove the battery temporarily in order to reboot. Those crashes
> occur quite regularly. But I cannot figure out any pattern. Therefore
> I cannot induce them by intention.
>
> A friend in my local Linux-User-Group told me, that he encountered the
> same phenomenon. He told me that he got rid of the problem after he
> disabled the VESA Framebuffer for the text console in the kernel.
>
> Indeed I have the VESA Framebuffer activated to get a higher
> resolution and nicer fonts on a text console. But to disable it is no
> option for me, because I work most of my time on the text console
> (using X only occasionally). And the pure text mode is ugly.
>
> I would appreciate any hint for a solution or a workaround. Even a
> hint for the cause of the problem without solution would be valuable.
>
> --oliver
>
> Footnotes:
> [1] Further System-information: Linux From Scratch (Linux 2.4.9,
> glibc 2.2.1, gcc 2.95.2.1) on a Notebook (Intel Celeron, S3 Virge MX+
> (... alt least nominally)); self-compiled XFree (no changes, no
> optimization, simply 'make World').
>
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