Re: [-mm patch] i386: enable 4k stacks by default
From: Neil Brown
Date: Mon Apr 30 2007 - 04:56:49 EST
On Saturday April 28, zlynx@xxxxxxx wrote:
> On Sat, 2007-04-28 at 21:19 +0200, Adrian Bunk wrote:
> > 4k stacks have become a well-tested feature used fore a long time in
> > Fedora and even in RHEL 4.
> So has anyone fixed the bugs involving ext3 and LVM snapshots on top of
> DM mirror?
Well -mm has a patch which makes stacked block devices much less of an
issue, but this hasn't made it -linus yet - I think the dm developer
isn't happy that dm works properly with it.
> Our 32-bit Fedora Core 5 dual Opteron server at work crashed once a week
> while running rdiff-backup off a snapshot. Installing a 64-bit kernel
> stopped the crashes, and I believe the 64-bit still uses the bigger
I wonder if FC-4 has the generic_make_request patch as well as 4K
stacks. If does, then there is obviously something else to be fixed.
If it doesn't, then maybe that is all that is needed.
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