Andrey Falko wrote:
On 11/20/08, *Nikos Chantziaras* <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:

    I upgraded to kernel 2.6.27 (gentoo-sources-2.6.27-r3) yesterday.
     Today I experienced random segfaults during an emerge (twice during
    emerging mozilla-thunderbird; one time "as" (assembler) segfaulted,
    on the second try python segfaulted at the end of the emerge).

    Anyone noticing something similar?  I'm reverting back to 2.6.26 for
    now.



You do not see these segfaults on 2.6.26, right?

Correct.


When I had the symptoms you described, it turned out that my RAM voltage needed to be raised in the BIOS.

Hmm. My system *is* overclocked (I'm one of those "enthusiast" guys). I'm running an E6600 that runs 2.4GHz stock at 3GHz with a good aftermarket cooler (temps never go above 48C at full load). The CPU is overclocked and *undervoltaged* (1.29V from its 1.35V stock). The RAM is both underclocked (to get an FSB:DRAM ratio of 1:1) and undervoltaged. The system has been confirmed stable though; 8 hours Prime95 stress test with no errors, which is much more of a stress test than any real application can pull off. It also passes memtest.


Do you run the proprietary nvidia-drivers? If you don't, run any software that taints the kernel, I'd file a bug with upstream kernel people: http://bugzilla.kernel.org/

As it happens, upgrading to kernel 2.6.27 was not the only change; I switched from xf86-video-radeonhd to the proprietary ATI Catalyst drivers. Didn't think that this has anything to do with it though.

Can you recommend a Linux program that does a stress test like Prime95 on Windows?


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