From: Ben Greear <greearb@candelatech.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Tejun Heo <tj@kernel.org>, 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@venema.h4ckr.net,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>
Subject: Re: stop_machine lockup issue in 3.9.y.
Date: Wed, 05 Jun 2013 20:41:01 -0700 [thread overview]
Message-ID: <51B004CD.6080007@candelatech.com> (raw)
In-Reply-To: <1370489181.24311.318.camel@edumazet-glaptop>
On 06/05/2013 08:26 PM, Eric Dumazet wrote:
> 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.
Limiting it to 5000 fixes my problem, so if you wanted it larger than 10, that would
be fine by me.
I can send a version of my patch easily enough if we can agree on the max number of
loops (and if indeed my version of the patch is acceptable).
Thanks,
Ben
--
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc http://www.candelatech.com
next prev parent reply other threads:[~2013-06-06 3:41 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <51A8E884.1080009@candelatech.com>
[not found] ` <87ehclumhr.fsf@rustcorp.com.au>
[not found] ` <alpine.DEB.2.02.1306022212200.10003@jlaw-desktop.mno.stratus.com>
[not found] ` <alpine.DEB.2.02.1306030724230.19647@jlaw-desktop.mno.stratus.com>
2013-06-03 14:17 ` Please add to stable: module: don't unlink the module until we've removed all exposure Joe Lawrence
2013-06-03 15:59 ` Ben Greear
2013-06-03 16:36 ` Ben Greear
2013-06-04 4:37 ` Rusty Russell
2013-06-04 5:56 ` Rusty Russell
2013-06-04 14:07 ` Joe Lawrence
2013-06-04 16:50 ` Joe Lawrence
2013-06-04 16:53 ` Ben Greear
2013-06-04 17:45 ` Ben Greear
2013-06-05 4:17 ` Rusty Russell
2013-06-05 7:15 ` Tejun Heo
2013-06-05 16:59 ` Ben Greear
2013-06-05 18:48 ` Tejun Heo
2013-06-05 19:11 ` Ben Greear
2013-06-05 19:31 ` stop_machine lockup issue in 3.9.y Ben Greear
2013-06-05 20:58 ` Ben Greear
2013-06-05 21:11 ` Tejun Heo
2013-06-05 21:33 ` Ben Greear
2013-06-06 1:34 ` Eric Dumazet
2013-06-06 3:14 ` Tejun Heo
2013-06-06 3:26 ` Eric Dumazet
2013-06-06 3:41 ` Ben Greear [this message]
2013-06-06 3:46 ` Eric Dumazet
2013-06-06 3:50 ` Ben Greear
2013-06-06 4:08 ` Eric Dumazet
2013-06-06 20:55 ` Tejun Heo
2013-06-06 21:15 ` Ben Greear
2013-06-06 21:17 ` Tejun Heo
2013-06-05 3:29 ` Please add to stable: module: don't unlink the module until we've removed all exposure Rusty Russell
2013-06-05 5:07 ` Greg KH
2013-06-05 7:13 ` Rusty Russell
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