James Olin Oden wrote:
On 12/18/06, James Olin Oden <james.oden@xxxxxxxxx> wrote:
On 12/18/06, Mark Belanger <mark_belanger@xxxxxxx> wrote:
> I have many different centos machines that are hanging
> regulary. I believe this is due to something our application
> is doing - not a centos specific problem.
>
> When the machines hang, there is no access to the console
> or remote access(ssh, rsh, etc).
>
> Any tips on debugging this issue? It is becoming quite a
> show stopper as we migrate our product from Solaris to
> Linux.
>
> tia,
>
> FYI - The "application" is a collection of programs that
> communicate with each other and to a large chip tester via
> a proprietary serial bus. The hangs are random but pretty
> frequent - in the range of several per day to several per week.
>
> -Mark
>
Have you tried the magic sysreq sequence on the console?
Oh, I just noticed propietary serial bus, does mean you have your own
device driver(s)? Still see if magic sysreq works, but what you do
with this should be driven by your driver writers.
We do have our own drivers(supplied by a 3rd party). These
drivers are my biggest suspect.
-Mark
Cheers...james
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--
Mark Belanger
LTX Corporation
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