linux-kernel - Re: linux-next: Tree for June 5

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Date:	Thu, 5 Jun 2008 19:56:04 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: linux-next: Tree for June 5

On Thu, 5 Jun 2008 17:52:17 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:

> I have created today's linux-next tree at
> git://git.kernel.org/pub/scm/linux/kernel/git/sfr/linux-next.git

Instantly oopses on two x86_64 boxes with this config:
http://userweb.kernel.org/~akpm/config-akpm2.txt

oops: http://userweb.kernel.org/~akpm/p6056454.jpg

At a guess I'd say the sched_domains code is calling into slab before
slab is initalised.  Something like that.


I had to do this:

--- a/arch/x86/kernel/traps_64.c~a
+++ a/arch/x86/kernel/traps_64.c
@@ -504,6 +504,7 @@ void show_registers(struct pt_regs *regs
 		}
 	}
 	printk("\n");
+	for (  ;; );
 }	
 
 int is_valid_bugaddr(unsigned long ip)
_

to collect that oops.  Otherwise it scrolled away due to "trying to
kill init" doing a dump_stack.  pause_on_oops seems to not be working
properly any more.  It used to.

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