From: Andrew Morton <akpm@osdl.org>
To: corbet@lwn.net (Jonathan Corbet)
Cc: linux-kernel@vger.kernel.org, mikpe@csd.uu.se, ak@suse.de
Subject: Re: [BUG] 2.6.6-rc2-bk5 mm/slab.c change broke x86-64 SMP
Date: Fri, 30 Apr 2004 13:31:10 -0700 [thread overview]
Message-ID: <20040430133110.5b9d293f.akpm@osdl.org> (raw)
In-Reply-To: <20040430192911.14289.qmail@lwn.net>
corbet@lwn.net (Jonathan Corbet) wrote:
>
> > Does this fix?
> >
> > diff -puN include/asm-x86_64/processor.h~a include/asm-x86_64/processor.h
> > --- 25/include/asm-x86_64/processor.h~a Fri Apr 30 11:24:58 2004
> > +++ 25-akpm/include/asm-x86_64/processor.h Fri Apr 30 11:25:28 2004
> > @@ -20,6 +20,8 @@
> > #include <asm/mmsegment.h>
> > #include <linux/personality.h>
> >
> > +#define ARCH_MIN_TASKALIGN L1_CACHE_BYTES
> > +
>
> That made my x86_64 boot problem go away; with that patch the system comes
> up just fine.
OK, thanks. It broke parisc too...
> Now I have weird display problems with my Radeon card instead. Ever seen X
> running 100% in kernel space, unkillable?
I did, about a year ago. It was spinning madly in some ioctl waiting for a
bit in a device register to change state. Are you able to generate a
kernel profile while it's being silly? That will tell us where it's stuck.
next prev parent reply other threads:[~2004-04-30 20:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-30 16:11 Mikael Pettersson
2004-04-30 18:21 ` Jonathan Corbet
2004-04-30 18:27 ` Andrew Morton
2004-04-30 19:29 ` Jonathan Corbet
2004-04-30 20:31 ` Andrew Morton [this message]
2004-04-30 19:33 ` R. J. Wysocki
2004-04-30 20:24 ` Andrew Morton
2004-05-01 1:48 ` Andi Kleen
2004-05-01 2:01 ` Andrew Morton
2004-05-01 2:02 ` Andi Kleen
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