[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Mon, 7 Jul 2008 15:40:42 -0700
From: Randy Dunlap <randy.dunlap@...cle.com>
To: lkml <linux-kernel@...r.kernel.org>
Cc: Ingo Molnar <mingo@...e.hu>,
Linus Torvalds <torvalds@...ux-foundation.org>,
"Rafael J. Wysocki" <rjw@...k.pl>,
Kernel Testers List <kernel-testers@...r.kernel.org>,
Yinghai Lu <yhlu.kernel@...il.com>
Subject: Re: [Bug #10872] x86_64 boot hang when CONFIG_NUMA=n
On Mon, 7 Jul 2008 11:39:17 -0700 Randy Dunlap wrote:
> On Mon, 7 Jul 2008 08:32:18 +0200 Ingo Molnar wrote:
>
> >
> > * Linus Torvalds <torvalds@...ux-foundation.org> wrote:
> >
> > > > This still happens with 2.6.26-rc9. Using CONFIG_NUMA=y boots OK.
> > >
> > > Ok, then it wasn't the nr_zones thing.
> > >
> > > Since it seems to be repeatable for you, can you bisect it?
> >
> > one guess would be:
> >
> > | commit e8ee6f0ae5cd860e8e6c02807edfa3c1fa01bcb5
> > | Author: Yinghai Lu <yhlu.kernel@...il.com>
> > | Date: Sun Apr 13 01:41:58 2008 -0700
> > |
> > | x86: work around io allocation overlap of HT links
> >
> > but ... since CONFIG_NUMA makes it work, i'm not sure about that.
> >
> > Randy, could you post the full CONFIG_NUMA bootlog as well, does it show
> > any difference in resource allocations?
>
> Good and bad boot logs are attached. There are several differences, but I don't
> see any that are significant.
>
> I've started bisecting with:
>
> $ git bisect start
> $ git bisect bad v2.6.26-rc1
> $ git bisect good v2.6.25
>
> That's only about 1.29M lines of changes.
git bisect and normal rebooting did not find a problem.
I'll repeat this using kexec to boot the new kernel and see if that
locates any issues... since I normally use kexec to load/test new kernels
and that was how the failure occurred (occurs).
---
~Randy
Linux Plumbers Conference, 17-19 September 2008, Portland, Oregon USA
http://linuxplumbersconf.org/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists