Re: [PATCH][RFC] 4K stacks default, not a debug thing any more...?

utz lehmann
2007-07-16T23:26:59Z

On Tue, 2007-07-17 at 00:28 +0200, Rene Herman wrote:
> Given that as Arjan stated Fedora and even RHEL have been using 4K stacks
> for some time now, and certainly the latter being a distribution which I
> would expect to both host a relatively large number of lvm/md/xfs and what
> stackeaters have you users and to be fairly conservative with respect to the
> chances of scribbling over kernel memory (I'm a trusting person...) it seems
> there might at this stage only be very few offenders left.

I have to recompile the fedora kernel rpms (fc6, f7) with 8k stacks on
my i686 server. It's using NFS -> XFS -> DM -> MD (raid1) -> IDE disks.
With 4k stacks it crash (hang) within minutes after using NFS.
With 8k stacks it's rock solid. No crashes within months.

utz