linux-kernel - Re: Linux 2.6.27-rc3: kernel BUG at mm/vmalloc.c

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Message-Id: <200808141814.43484.rjw@sisk.pl>
Date:	Thu, 14 Aug 2008 18:14:42 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"Alan D. Brunelle" <Alan.Brunelle@...com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Linux 2.6.27-rc3: kernel BUG at mm/vmalloc.c - bisected

On Thursday, 14 of August 2008, Alan D. Brunelle wrote:
> I ran into this trying 2.6.27-rc3 today:
> 
> [6.461876] kernel BUG at mm/vmalloc.c:217!
> 
> (full boot log attached)
> 
> I bisected it to:
> 
> git-bisect bad 1c89ac55017f982355c7761e1c912c88c941483d
> 
> which is:
> 
> commit 1c89ac55017f982355c7761e1c912c88c941483d
> Merge: 88fa08f... b1b135c...
> Author: Linus Torvalds <torvalds@...ux-foundation.org>
> Date:   Tue Aug 12 08:40:19 2008 -0700
> 
>     Merge
> git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus

This is a merge commit that introduced several changes into the
kernel.  It would be helpful to search through these changes.

>     *
> git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
>       fix spinlock recursion in hvc_console
>       stop_machine: remove unused variable
>       modules: extend initcall_debug functionality to the module loader
>       export virtio_rng.h
>       lguest: use get_user_pages_fast() instead of get_user_pages()
>       mm: Make generic weak get_user_pages_fast and EXPORT_GPL it
>       lguest: don't set MAC address for guest unless specified
> 
> Backing out to the previous commit boots just fine. I've attached the
> boot.log, config file, lspci.txt and git-bisect-log. If there is
> anything else I can do, I'd be happy to oblige, but I'm checking out
> right now. I'll check in tomorrow morning (Eastern USA).

Thanks,
Rafael
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