Unexplained Segmentation Faults

Christopher A. Bier chris.bier at cymor.com
Thu Mar 13 21:11:34 CST 2003


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  Is the partition that /var is on full or almost full?

On Thu, 2003-03-13 at 13:53, James Colannino wrote:
Hey everyone.  I've had some problems with an old machine of mine for a 
> while.  I have a P200 MMX running Slackware 8.1 that's worked very
well 
> so far.  The BIOS is able to recognize all 13GB of my HD which I've 
> found to be quite rare with such an old machine, and it seemed for a 
> while to be pretty stable.
> 
> However, everytime I try to run "updatedb" so that I can locate files,
> it works for a few minutes and then always without fail will give me a
> segmentation fault.  Then, if I've attempted that command, everytime I
> halt or restart the system, it'll give me a segmentation fault as it's
> unmounting all remote filesystems (I don't actually have any -- I'm 
> planning on removing all references to nfs from the system.)  If I 
> haven't tried to updatedb, it halts and restarts without any problems.
> 
> After I've gotten one segmentation fault from running the command 
> "updatedb," from now on, until I reboot the system, it doesn't even
work 
> the Hard Drive at all before I get the same error, this time saying 
> something about a NULL Pointer.
> 
> This is really frustrating me.  I'm pretty sure from other
observations 
> I've made that excessive writing (and/or reading -- not sure) to the 
> disk is what's producing these errors.
> 
> Now for my question.  Do you think maybe the processor is bad, or do
you 
> think maybe there's something wrong with the IDE controllers?  This is
> kind of an odd problem.  I'm certain that the disk is good.  I've had 
> very good luck with it thus far (of course I'll probably plunk it in 
> another system and give it a good diagnostical checkup to make sure.) 
I 
> tried running the processor at 166 Mhz as opposed to 200 Mhz in a vain
> attempt to see if maybe for some reason the CPU was overheating, but 
> that I see is most likely not the problem.  I did over clock it once
to 
> 233 Mhz, and had the segmentation faults start occuring (this was
before 
> I'd used the system pretty much at all though,) so I originally
thought 
> that maybe I over heated the CPU and thus set it back to 200.  It
seemed 
> to work alright, but it's still producing these errors (only when I
use 
> the disk a great deal though.)  Very strange.  Any ideas?
> 
> James
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