From: Mike Galbraith <mgalbraith@novell.com>
To: Michael Wang <wangyun@linux.vnet.ibm.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"paulmck@linux.vnet.ibm.com" <paulmck@linux.vnet.ibm.com>,
mmokrejs@fold.natur.cuni.cz, dan.carpenter@oracle.com
Subject: Re: [QUESTION ON BUG] the rcu stall issue could not be reproduced
Date: Fri, 20 Jul 2012 09:00:24 +0200 [thread overview]
Message-ID: <1342767624.7432.54.camel@marge.simpson.net> (raw)
In-Reply-To: <5008CBD4.6070907@linux.vnet.ibm.com>
On Fri, 2012-07-20 at 11:09 +0800, Michael Wang wrote:
> Hi, Mike, Martin, Dan
>
> I'm currently taking an eye on the rcu stall issue which was reported by
> you in the mail:
>
> rcu: endless stalls
> From: Mike Galbraith
> linux-3.4-rc7: rcu_sched self-detected stall on CPU
> From: Martin Mokrejs
> RCU stalls in linux-next
> From: Dan Carpenter
>
> I try to reproduce the issue on my X86 server with 12 cpu
The 'endless stalls' box was 341.33333 times larger. Dunno if you can
even set a serial port slow enough to approximate all cores trying to
gripe through a single pinhole simultaneously.
-Mike
next prev parent reply other threads:[~2012-07-20 7:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-20 3:09 Michael Wang
2012-07-20 6:41 ` Dan Carpenter
2012-07-20 8:24 ` Michael Wang
2012-07-20 8:36 ` Dan Carpenter
2012-07-20 8:53 ` Michael Wang
2012-07-20 7:00 ` Mike Galbraith [this message]
2012-07-20 8:30 ` Michael Wang
2012-07-20 9:08 ` Mike Galbraith
2012-07-20 10:18 ` Martin Mokrejs
2012-07-23 2:46 ` Michael Wang
2012-07-23 2:37 ` Michael Wang
2012-07-23 18:46 ` Martin Mokrejs
2012-07-24 1:19 ` Michael Wang
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