Message-ID: <1370489181.24311.318.camel@edumazet-glaptop> (sfid-20130606_052641_527239_76C77823)
Subject: Re: stop_machine lockup issue in 3.9.y.
From: Eric Dumazet <eric.dumazet@gmail.com>
To: Tejun Heo <tj@kernel.org>
Cc: Ben Greear <greearb@candelatech.com>,
	Rusty Russell <rusty@rustcorp.com.au>,
	Joe Lawrence <joe.lawrence@stratus.com>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	stable@vger.kernel.org,
	"Luis R. Rodriguez" <mcgrof@qca.qualcomm.com>,
	Jouni Malinen <jouni@qca.qualcomm.com>,
	Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>,
	Senthil Balasubramanian <senthilb@qca.qualcomm.com>,
	linux-wireless@vger.kernel.org, ath9k-devel@lists.ath9k.org,
	Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>
Date: Wed, 05 Jun 2013 20:26:21 -0700
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On Wed, 2013-06-05 at 20:14 -0700, Tejun Heo wrote:

> 
> Ah, so, that's why it's showing up now.  We probably have had the same
> issue all along but it used to be masked by the softirq limiting.  Do
> you care to revive the 10 iterations limit so that it's limited by
> both the count and timing?  We do wanna find out why softirq is
> spinning indefinitely tho.

Yes, no problem, I can do that.