Matthew
On Sat, 11 Sep 1999, WOL - Odinn Sorensen wrote:
> Hello all.
>
> We have a webhotel setup with linux 2.2.x, running apache 1.3.6(9), with
> thousands of namebased virtual hosts. The webhotel data is accessed via nfs
> on another server (also linux). This is with Pentium II's on Asus P2B
> motherboards.
>
> Since we started using this setup, we have experienced rather frequent
> crashes (ranging from hours to many days in bewteen). Always there were no
> useful indications in any logfiles, and no kernel panic messages on the
> console.
>
> However we have now noticed one interesting data point. When watching "top",
> the shared memory field usually wobbles around 1200000K, but sometimes
> spikes upward. I have just now seen it hit over 1800000K. So I suspect our
> crashes happen when the shared memory number passes 2097152K, indicating
> some signed 32 bit int overflowing and doing nasty things.
>
> We have run kernels 2.2.5-22 and 2.2.12-7 from redhat, and 2.2.7-1.15 and
> 2.2.7-1.23 from va-linux. The problem appears to surface much much faster
> with the 2.2.12-7 kernel, which might indicate that either the 2.2.12 memory
> leak patch is not applied in redhats 2.2.12-7 (which I thought it was), or
> that some other leak is present.
>
> Any ideas why linux would crash with shared memory > 2G?
>
> --
> Med venlig hilsen / Best Regards
> Odinn Sørensen (System Developer) / World Online Denmark A/S
> Peter Bangs Vej 26, 2000 Frederiksberg, Denmark
> Tlf. (+45) 38 14 70 00 - Fax (+45) 38 14 70 07
>
> -
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-- >From the card, through the hub, over the router, off the bridge. Nothin' but net. ~~~~~~~~~~~~ Matthew matthew@mattshouse.com http://www.mattshouse.com- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/