Re: RFC: i386: kill !4KSTACKS

From: Jörn Engel
Date: Wed Jun 08 2005 - 05:06:42 EST


On Tue, 7 June 2005 23:47:38 +0200, Alexander Nyberg wrote:
> tis 2005-06-07 klockan 23:27 +0200 skrev Adrian Bunk:
> > 4Kb kernel stacks are the future on i386, and it seems the problems it
> > initially caused are now sorted out.
> >
> > I'd like to:
> > - get a patch into the next -mm that unconditionally enables 4KSTACKS
> > - if there won't be new reports of breakages, send a patch to
> > completely remove !4KSTACKS for 2.6.13 or 2.6.14
> >
>
> Combinations of IDE/SCSI with MD/DM (maybe even stacking them ontop of
> eachother), NFS and a filesystem in there breaks 4KSTACKS which is a
> known issue so you can't just remove it leaving users with no choice.
>
> This was not even difficult to trigger a while ago and I haven't seen
> any stack reduction patches in these areas.

Can you send me a backtrace for one such dump? I'd like to use that
for some pessimistic checker runs.

Jörn

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