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2004 Aug 26 21:22

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Re: Fwd: Re: [vox-tech] debian woody to sarge upgrade = dead xserver:solved
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Re: Fwd: Re: [vox-tech] debian woody to sarge upgrade = dead xserver:solved



Ken Bloom wrote:
On Thu, 26 Aug 2004 15:12:51 -0700
Rick Moen <rick@linuxmafia.com> wrote:


Quoting Ken Bloom (kabloom@ucdavis.edu):


I don't think that's correct. Signal 11 is better known as SIGSEGV,
and it is a segmentation fault usually caused by a programmer
dereferencing an uninitialized pointer (or a deleted pointer). It's
entirely a programmer error.
Well, congratulations on encountering so little bad RAM.  ;->  Our
experience differs.

Quoting (selectively) a small piece of the SIG 11 FAQ:

QUESTION

  Ok. I may have a hardware problem what is it?

ANSWER

  If it happens to be the hardware it can be:

   * Main memory.
   [...]

My main experience with segfaults, when I've cared enough to figure out
what was going on, has been when I've been writing C++ programs that
used new and delete. If you're going to debug a segfault, you need to
debug for a software problem first, and you need to debug for it
exhaustively to make sure it's not a software problem - that includes
sending strace/ltrace/valgrind/whatever output to the developer
and asking them what they think. *Then* you can conclude it's a hardware
problem.

Well, if its new or suspect hardware, you can boot up memtest86(+).
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