From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: RKK <kulkarni.ravi4@gmail.com>
Cc: kernelmail.jms@gmail.com, linux-kernel@vger.kernel.org, cmm@us.ibm.com
Subject: Re: Fw: RCU boot debug patch
Date: Wed, 20 Jul 2011 09:09:46 -0700 [thread overview]
Message-ID: <20110720160946.GA2313@linux.vnet.ibm.com> (raw)
In-Reply-To: <CAM=x7SbUJyZuCsgc_mfkgYZ4hyZz4iK7ASs7hyW5jfyGP-2Zwg@mail.gmail.com>
On Wed, Jul 20, 2011 at 09:23:06PM +0530, RKK wrote:
> Hi Paul
>
> >>
> >> On Wed, Jul 20, 2011 at 4:11 AM, Paul E. McKenney
> >> <paulmck@linux.vnet.ibm.com> wrote:
> >> > Hello, Julie and Ravi,
> >> >
> >> > Although we arrived at a patch that worked for both of you, we never did
> >> > identify exactly which RCU callback (or other issue) that was causing
> >> > the problem. It would be good to do this in case there is some other
> >> > problem lurking that might bite us in the future. Mingming has therefore
> >> > put together the following diagnostic patch which should identify the
> >> > callbacks, please see below.
> >> >
> >> > So could you please run this and let us know what you find? There should
> >> > at least be a message for artificial_callback().
> >> >
> >>
> >> Do i need to apply this patch on today's Linus master or on -rc7 ?
> >
> > Please do not use -rc7, as that would reproduce your hang. Linus master
> > tree would be best, but -rc7 with the fix applied would work fine as well.
> >
>
> Ok. will apply against Linus Master tree and get back to you sometime
> later tonight.
Thank you, Ravi!
Thanx, Paul
next prev parent reply other threads:[~2011-07-20 16:15 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-19 22:41 Fw: RCU boot debug patch Paul E. McKenney
2011-07-20 5:27 ` RKK
2011-07-20 14:59 ` Paul E. McKenney
2011-07-20 15:53 ` RKK
2011-07-20 16:09 ` Paul E. McKenney [this message]
2011-07-21 5:39 ` RKK
2011-07-22 2:29 ` Paul E. McKenney
2011-07-27 21:47 ` kernelmail.jms
2011-07-27 23:56 ` Kyle Moffett
2011-07-28 0:02 ` Paul E. McKenney
2011-07-28 19:56 ` Julie Sullivan
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