Why Steam fails

Kuba Ober kuba at mareimbrium.org
Mon Dec 5 10:34:20 CST 2005

> > > I think I'm the only one with that problem... and I can't figure out
> > > what's wrong :(
> >
> > How's your swapfile size? Maybe your system doesn't do overcommits, thus
> > there must be enough physical ram + swapfile for all virtual allocations.
> > That'd be the only thing that I could think of, although whether
> > overcommits can be disabled and so on I don't know. So I might be just
> > rambling insanely ;-)
> overcommitting is default and I knew that there was a way top turn it off,
> so a find /proc -name "*commit*" found:
> /proc/sys/vm/overcommit_ratio
> /proc/sys/vm/overcommit_memory
> Oh wait, it seems it's not default:
> $ cat /proc/sys/vm/overcommit_memory
> 0

Nevertheless I acknowledge that a compounding issue is VM fragmentation of a 
process. Redoing the prelink & friends would be one way to attack that.

Another issue is how safe it really is to allow overcommits. They are off on 
my FC4 system too.

Cheers, Kuba

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