From: Neil Brown <neilb@suse.de>
To: Zan Lynx <zlynx@acm.org>
Cc: Adrian Bunk <bunk@stusta.de>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [-mm patch] i386: enable 4k stacks by default
Date: Mon, 30 Apr 2007 18:55:52 +1000 [thread overview]
Message-ID: <17973.44824.631204.926723@notabene.brown> (raw)
In-Reply-To: message from Zan Lynx on Saturday April 28
On Saturday April 28, zlynx@acm.org 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
> stacks.
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.
http://www.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.21-rc7/2.6.21-rc7-mm2/broken-out/md-dm-reduce-stack-usage-with-stacked-block-devices.patch
NeilBrown
next prev parent reply other threads:[~2007-04-30 8:56 UTC|newest]
Thread overview: 64+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-28 19:19 Adrian Bunk
2007-04-28 21:18 ` Zan Lynx
2007-04-30 3:58 ` David Chinner
2007-04-30 8:17 ` Alan Cox
2007-04-30 10:26 ` Andi Kleen
2007-04-30 10:48 ` Christoph Hellwig
2007-04-30 12:13 ` Andi Kleen
2007-04-30 17:38 ` William Lee Irwin III
2007-04-30 17:40 ` [1/6] make stack size configurable (was: Re: [-mm patch] i386: enable 4k stacks by default) William Lee Irwin III
2007-04-30 18:10 ` Christoph Hellwig
2007-04-30 18:13 ` William Lee Irwin III
2007-04-30 18:25 ` Adrian Bunk
2007-04-30 18:32 ` William Lee Irwin III
2007-04-30 17:43 ` [2/6] add config option to vmalloc stacks " William Lee Irwin III
2007-04-30 18:11 ` Christoph Hellwig
2007-04-30 18:25 ` Jan Engelhardt
2007-04-30 19:09 ` William Lee Irwin III
2007-04-30 19:15 ` Christoph Hellwig
2007-04-30 19:23 ` Bill Irwin
2007-04-30 22:04 ` Bill Irwin
2007-05-01 22:36 ` Matt Mackall
2007-05-01 22:51 ` Bill Irwin
2007-05-01 23:07 ` Alan Cox
2007-05-01 23:23 ` Bill Irwin
2007-05-01 23:15 ` Matt Mackall
2007-05-01 23:27 ` Bill Irwin
2007-05-04 5:35 ` Joseph Fannin
2007-05-04 7:43 ` Bill Irwin
2007-04-30 17:44 ` [3/6] make IRQ stacks independently configurable " William Lee Irwin III
2007-04-30 18:11 ` Christoph Hellwig
2007-04-30 18:14 ` William Lee Irwin III
2007-04-30 17:45 ` [4/6] go BUG on vmallocspace in __pa() " William Lee Irwin III
2007-04-30 18:52 ` Andi Kleen
2007-04-30 18:58 ` William Lee Irwin III
2007-04-30 19:20 ` Alan Cox
2007-04-30 19:26 ` Bill Irwin
2007-05-02 22:31 ` [4/6] go BUG on vmallocspace in __pa() Jeremy Fitzhardinge
2007-05-02 22:48 ` Bill Irwin
2007-04-30 17:46 ` [5/6] dynamically allocate IRQ stacks (was: Re: [-mm patch] i386: enable 4k stacks by default) William Lee Irwin III
2007-04-30 19:49 ` Zwane Mwaikambo
2007-04-30 20:03 ` Bill Irwin
2007-04-30 20:07 ` Andi Kleen
2007-04-30 17:47 ` [6/6] arrange for a guard page on cpu 0's IRQ stack " William Lee Irwin III
2007-04-30 18:22 ` [-mm patch] i386: enable 4k stacks by default Jan Engelhardt
2007-04-30 18:35 ` William Lee Irwin III
2007-04-30 18:51 ` Andi Kleen
2007-04-30 8:55 ` Neil Brown [this message]
2007-04-30 8:59 ` Christoph Hellwig
2007-04-30 11:30 ` Jens Axboe
2007-04-30 23:24 ` Neil Brown
2007-05-01 8:01 ` Jens Axboe
-- strict thread matches above, loose matches on Subject: below --
2006-01-14 2:09 Adrian Bunk
2006-01-05 17:54 Adrian Bunk
2006-01-04 14:51 Adrian Bunk
2006-01-04 16:39 ` Jesper Juhl
2006-01-04 16:44 ` Adrian Bunk
2006-01-04 16:49 ` Jesper Juhl
2006-01-04 16:58 ` Adrian Bunk
2006-01-04 17:10 ` Jesper Juhl
2006-01-04 17:17 ` Adrian Bunk
2006-01-04 21:56 ` Jesper Juhl
2006-01-04 20:53 ` Grant Coady
2006-01-04 21:00 ` Adrian Bunk
2006-01-04 22:24 ` Grant Coady
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