From: Rick Jones <rick.jones2@hp.com>
To: netdev@vger.kernel.org
Subject: Intermittent lockups creating/manipulating network namespaces (was Re: large degradation in ip netns add/exec performance in 3.13?)
Date: Thu, 13 Feb 2014 10:02:24 -0800 [thread overview]
Message-ID: <52FD08B0.2050102@hp.com> (raw)
In-Reply-To: <52FAC6D1.50702@hp.com>
On 02/11/2014 04:56 PM, Rick Jones wrote:
> On 02/11/2014 02:26 PM, Rick Jones wrote:
>> I did have the system lockup once at 16 concurrent streams on the 3.13.0
>> kernel. Didn't happen the next two times I tried.
>
> I've had it happen again with a slightly tweaked ("heavier") fake router
> creation. I'm guessing the attached soft lockup messages are related
> and may help point somewhere.
The 16 concurrent streams lockup. The "rest of the system" keeps going.
I've had the same hang happen with 3.14.0-rc2 as well. I was able to
take a crash dump via "echo c > /proc/sysrq-trigger" but I have no clue
how to look at it. More than willing to upload it to netperf.org.
rick jones
next prev parent reply other threads:[~2014-02-13 18:02 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-04 19:57 large degradation in ip netns add/exec performance in 3.13? Rick Jones
2014-02-11 22:26 ` Rick Jones
2014-02-12 0:56 ` Rick Jones
2014-02-13 18:02 ` Rick Jones [this message]
2014-02-13 18:38 ` Eric Dumazet
2014-02-13 19:41 ` Occasional lockups creating/manipulating namespaces in 3.13.0 and 3.14.0-rc2 Rick Jones
2014-02-13 19:45 ` Rick Jones
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