Christopher Zimmerman wrote:
> Christoph Rohland wrote:
>
> > Hi Alan,
> >
> > The following patch against -ac8 finally gets db2 working again with
> > recent kernels. (I hate the SYSV API :-( )
> >
> > It also makes a change to shm.h to make the compile of ipcs
> > et.al. happy again.
> >
> > Please apply
> > Christoph
> >
> >
------------------------------------------------------------------------
> >
> > patch-shm_perm2Name: patch-shm_perm2
> > Type: Plain Text (text/plain)
>
> hey Christoph
>
> I've tried this patch with ac9 and it doesn't seem to solve the
problems I've
> been having. Basically I can cause any system running 2.4.0-test1+ to
lock
> up without any messages to the console or log files. Right before the
lockup
> one can still login, but ps halts at the process that's about to cause
the
> lock up and top will not even run. If one tries to nicely shutdown
the
> machine locks. The process in question is multithreaded and basically
mmaps
> files read/shared and read/write/shared.
>
> Okay I just finished another test. This one takes a while to kill the
box.
> Basically this program opens a 10GB file and has 100 threads reading
and
> writing to it. A mutex is used every time the file is accessed. Any
help
> would be appreciated. :)
>
> -zim
>
> Christopher Zimmerman
> AltaVista Company
> Index Build Engineering
>
> -
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After further testing I've concluded that the problems I've been having
are SMP
related. If I recompile the kernel without SMP support all of the above
issues
vanish.
-zim
Christopher Zimmerman
AltaVista Company
Index Build Engineering
-
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This archive was generated by hypermail 2b29 : Wed Jun 07 2000 - 21:00:26 EST