linux-kernel - Re: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

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Message-Id: <1156809000.447.20.camel@dyn9047017100.beaverton.ibm.com>
Date:	Mon, 28 Aug 2006 16:50:00 -0700
From:	Badari Pulavarty <pbadari@...il.com>
To:	Andi Kleen <ak@...e.de>
Cc:	Jan Beulich <jbeulich@...ell.com>, Andrew Morton <akpm@...l.org>,
	"J. Bruce Fields" <bfields@...ldses.org>,
	lkml <linux-kernel@...r.kernel.org>,
	"Randy.Dunlap" <rdunlap@...otime.net>
Subject: Re: boot failure, "DWARF2 unwinder stuck at 0xc0100199"

On Tue, 2006-08-29 at 00:54 +0200, Andi Kleen wrote:
> Thanks for the test cases. If you have more keep them comming.
> 
...
> > 
> > Call Trace:
> >  [<ffffffff8020ad7f>] show_trace+0xae/0x30e
> >  [<ffffffff8020aff4>] dump_stack+0x15/0x17
> >  [<ffffffff802288a5>] __might_sleep+0xb2/0xb4
> >  [<ffffffff8024750e>] down_read+0x1d/0x2f
> >  [<ffffffff8023e674>] blocking_notifier_call_chain+0x1b/0x41
> >  [<ffffffff80232511>] profile_task_exit+0x15/0x17
> >  [<ffffffff80233f95>] do_exit+0x25/0x91e
> >  [<ffffffff8020b222>] kernel_math_error+0x0/0x96
> >  [<ffff81010b6a30c0>]
> 
> 
> Hmm, not sure about that one. In theory it should have been fixed
> in rc4 already. Was this from an earlier kernel?
> 

No. All these traces are from -rc4.

Thanks,
Badari

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