linux-kernel - RE: 3.7 RC1

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Date:	Thu, 25 Oct 2012 13:50:53 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>,
	"olaf@...fle.de" <olaf@...fle.de>,
	"apw@...onical.com" <apw@...onical.com>,
	"jasowang@...hat.com" <jasowang@...hat.com>
Subject: RE: 3.7 RC1



> -----Original Message-----
> From: Greg KH [mailto:gregkh@...uxfoundation.org]
> Sent: Monday, October 22, 2012 7:34 PM
> To: KY Srinivasan
> Cc: linux-kernel@...r.kernel.org; devel@...uxdriverproject.org; olaf@...fle.de;
> apw@...onical.com; jasowang@...hat.com
> Subject: Re: 3.7 RC1
> 
> On Mon, Oct 22, 2012 at 04:37:45PM -0700, K. Y. Srinivasan wrote:
> >
> > While testing 3.7 RC1 I discovered that invoking the function
> orderly_poweroff()
> > from an interrupt context will trigger an ASSERT(). This was not the case till
> > recently. The comment preceding the orderly_poweroff() function claims that
> this
> > function can be invoked from any context and in the current Hyper-V util driver,
> > we support host-driven orderly shut down of the guest by invoking this
> > orderly_poweroff() function in the context of the message callback. This code
> has
> > been working for a very long time and it is broken now. Is my assumption that
> > orderly_poweroff() could be invoked from the interrupt context a wrong
> assumption?
> 
> Can you check 3.7-rc2?  If that also fails, care to do a 'git bisect'
> from 3.6 to 3.7-rc1 to find the problem patch?

The problem still persists in 3.7-rc2. Sorry for the false positive; we had a script problem
that indicated that the problem had gone away. Manual testing has shown that the problem
persists. We will investigate it further.

Regards,

K. Y
> 
> thanks,
> 
> greg k-h
> 
> 


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