Alan McKinnon schrieb:

>> Sometimes my gnome-session (2.28) works for hours, sometimes for minutes.
> 
> What happens when X crashes? Does the X session go away? Is there an error 
> message? Or does it just hang?

The whole X-session restarts, as if I do "xdm restart" or
"ctrl-alt-backspace". I get back to the login-prompt of gdm.

No error message, I also browsed the xorg-logs, dmesg, /var/log/messages
... nothing related as far as I understand.

> Your symptoms as described are random, I find far more often than not that is 
> hardware, usually the power supply, ram and video card (in that order)
> 
> Give your hardware a thorough stress test, then only start playing with 
> downgrades

Hmm, I don't know ... why should a hardware-problem only shoot X11 ... ?
It should crash then also when I dualboot windows xp for gaming (it does
not crash there even under quite high gaming load).

OK, RAM might do that, I had a customers pc which rebooted (! reboot,
not only kicking off one app) here and then because of defective RAM.

I start some memtest while having my coffee just to check that out for a
start.

But I really assume some other reason, as I only recently went up to
~amd64 ... for me it is much more likely that maybe the step up to
xorg-server 1.7.x or something related might be the reason here.
bugs.gentoo.org didn't really list such a bug, maybe I should file one.
But to me it seems a bit early as I can't reproduce it or really show
some error-messages so far.

Greets, Stefan

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