Re: Very wierd behavior on new nodes
Thanks for replying. I have memtest now working on one of the nodes.
We are usint the K7VTA3 Mainboard motherboard. Does anyone have
experience with this board?
Thanks
Art Edwards
On Sun, Jan 12, 2003 at 09:59:07PM +0100, Frank Gevaerts wrote:
> On Sun, Jan 12, 2003 at 01:19:46PM -0700, Art Edwards wrote:
> > I have taken you advice and installed memtest86. The machine seemed to
> > boot without incident (I believe memtest86 runs at system boot?) so
> > memory seems not ot be the problem.
>
> memtest86 boots _instead_ of the kernel. You should add a lilo or grub
> entry for it (if the package didn't do this for you), and select it on
> the next boot. Otherwise, it will not run at all.
>
> > I have tried to run the same job again and it got much further and then
> > crashed. Out of curiosity, a colleague loaded RH 8 and got the same
> > behavior. My only insight is that, under the 2.2 kernel, when I left
> > the machine alone (no other jobs running) it stayed up. When I invoked
> > vi, the job crashed with an exit 139 (seg violation)
>
> I would guess this really is a hardware problem (RAM, cache or CPU)
>
> Frank
>
> >
> > Art Edwards
> >
> > On Tue, Jan 07, 2003 at 05:14:49PM +1100, David Cureton wrote:
> > > Compilers are very good tools for finding memory problems. I would suspect
> > > the system memory may be bad. Especially given it is a new system of which
> > > you have not had a chance to gain confidence in. Have a look at the memtest86
> > > package that you can use to test the memory of the system.
> > >
> > > Just a thought,
> > >
> > > Cheers
> > > David
> > >
> > > On Tuesday 07 January 2003 15:48, Arthur H.
> > > Edwards,1,505-853-6042,505-256-0834 wrote:
> > > > tal difficulty getting a new set of PC's working. I
> > > > had been installing a 2.4.19 kernel with debian on a MB with a via chip
> > > > set, and athlon XP2100, a promise ide system. Debian semms to install
> > > > correctly. However, when running large fortran jobs (under g77-3.2), the
> > > > system would either die immedieately, or start running and then die.
> > > > When I say die I mean that I can't login. I have backed off to a 2.2.20
> > > > kernel and g77 2.95. Now the program dies with an exit 139, but the
> > > > system stays up.
> > > >
> > > > What is an exit 139?
> > >
> > >
> >
> > --
> > Arthur H. Edwards
> > 712 Valencia Dr. NE
> > Abq. NM 87108
> >
> > (505) 256-0834
> >
> >
> > --
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