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Date: Wed, 20 Sep 2006 18:04:06 -0500
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: Hang with isync
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From: linas@austin.ibm.com (Linas Vepstas)
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On Thu, Sep 21, 2006 at 08:38:13AM +1000, Benjamin Herrenschmidt wrote:
> On Wed, 2006-09-20 at 15:31 -0700, Manoj Sharma wrote:
> > This is the stack trace.
> > 
> > Registers:
> > GPR00: 00069030 

This is the MSR and it has the user-mode bit set, which is surely wrong. 
This is not how one gets to user space.

00048000 

The MSR had this or'ed into it, which is setting the user-mode bit. 
Surely that's wrong.

--linas