Re: Segfault on the i386 enter instruction

From: Lee Revell
Date: Mon May 15 2006 - 15:55:58 EST


On Mon, 2006-05-15 at 23:38 +0400, Stas Sergeev wrote:

> > It is set by a few distributions (for use with flexmmap) in PAM, but
> > not by all. The kernel defaults don't have it.
> That might explain why I get
> $ ulimit -s
> 8192
> on fedora core.
> Thanks for explanations.

Just FYI, this does actually have an important effect on multithreaded
programs - glibc will allocate RLIMIT_STACK for each thread stack. If
mlockall() is used this can eat quite a bit of memory. It's a real
world problem for some pro audio apps.

Lee

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