Re: segmentation faults

I have noticed that, too, Paul.

I have to look again at how pthreads uses registers. We used to have  
problems about 3 or 4 years ago with that, and some changes in  
pthreads may have reintroduced new ones.



moshe


On Jan 7, 2006, at 9:24 PM, Paul Bennett wrote:

> Hi Richard,
>
> I ran into the same type of thing upgrading from
> 2.4.19 to 2.4.24 (or any really) it turned out to be
> to be related to libpthreads that are optimized for
> i686.  I've moved the /lib/i686 and it "cured" my
> problems.  My problems seemed to be a little more
> sporadic that what you're experiencing but it's worth
> a look.
>
> --Paul
>
> --- "Smemoe, Richard L." <smemoe-807GuYrz9FD2fBVCVOL8/[email protected]> wrote:
>
>> I have a openmosix cluster of 5 nodes running the
>> 2.4.26 kernel and
>> Redhat AS 3.  We recently upgraded from an older
>> version of RH and
>> openmosix to this version.  Until the upgrade,
>> things were running
>> smooth, but now binaries compiled using a fortran
>> (Lahey Fortran)
>> compiler first lock up the machine they are run on,
>> then throw a
>> segmentation fault and core dump after a while.
>> When I disable the
>> openmosix service, the binaries run fine.  It
>> doesn't seem to be
>> specific to the fortran compiled programs though,
>> since another program
>> we also use, R, does the same thing.
>>
>>
>>
>> Any thoughts on how to begin to troubleshoot this?
>>
>>
>>
>> Thanks,
>>
>>
>>
>> Richard Smemoe
>>
>> Systems Administrator
>>
>> University of Missouri - Columbia
>>
>> smemoe-807GuYrz9FD2fBVCVOL8/[email protected]
>>
>>
>
>
>
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