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From: Thomas Gleixner <tglx@linutronix.de>
To: Dave Jones <davej@redhat.com>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: NOHZ: local_softirq_pending 08
Date: Thu, 31 May 2012 09:52:45 +0200 (CEST)	[thread overview]
Message-ID: <alpine.LFD.2.02.1205310938080.3231@ionos> (raw)
In-Reply-To: <20120530214809.GA19223@redhat.com>

Dave,

On Wed, 30 May 2012, Dave Jones wrote:

> May 30 17:43:04 [ 1095.335659] NOHZ: local_softirq_pending 08
> 
> According to git, you ratelimited this back in 2007 with the message
> "until we found the root cause of that problem."
> 
> Is this an old problem that has returned ?

Looks like.
 
> Maybe interesting note: Both machines I see this on regularly are Atom cpus,
> and it's always '08'.

So it goes idle with NET_RX softirq pending. That really should not
happen. I fear you need to fire up the tracer :)

Thanks,

	tglx

  reply	other threads:[~2012-05-31  7:52 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-30 21:48 Dave Jones
2012-05-31  7:52 ` Thomas Gleixner [this message]
2012-05-31  7:56   ` Eric Dumazet
2012-05-31 14:04     ` Dave Jones
2012-06-08 16:46       ` Nikos Chantziaras
2012-06-01 22:57   ` Francois Romieu
2012-06-02 20:58     ` Marc Dionne
2012-06-05 23:15       ` Francois Romieu
2012-06-06  1:46         ` Dave Jones
2012-06-06  5:42           ` Francois Romieu
2012-06-08  2:34             ` Dave Jones
2012-06-08  7:57               ` Thomas Gleixner
2012-06-08 14:23                 ` Dave Jones
2012-06-08 14:51                   ` Thomas Gleixner
2012-06-08 20:27                     ` Francois Romieu
2012-06-08 20:41                       ` Thomas Gleixner
2012-06-08 21:53                         ` Francois Romieu
2012-06-08 22:33                           ` Marc Dionne
2012-06-10 20:40                             ` Dave Jones
2012-06-25 12:38                           ` Johannes Stezenbach
2012-06-25 19:28                             ` Francois Romieu
2012-06-25 19:52                               ` Dave Jones
2012-06-08  8:32               ` Johannes Stezenbach
  -- strict thread matches above, loose matches on Subject: below --
2009-10-11  9:52 Dave Young
2009-10-11 10:08 ` Johannes Berg
2009-10-11 10:17   ` Michael Buesch
2009-10-11 10:37     ` Johannes Berg
2009-10-11 10:38     ` David Miller
2009-10-11 10:55   ` Dave Young
2009-10-11 11:18   ` Tilman Schmidt
2009-10-11 11:40     ` Johannes Berg
2009-10-12  8:28       ` Tilman Schmidt
2009-10-12 10:32         ` David Miller
2009-10-12 11:25           ` Tilman Schmidt
2009-10-15 11:40             ` Jarek Poplawski
2009-10-15 17:53               ` Jarek Poplawski
2009-10-21 18:46                 ` Tilman Schmidt
2009-10-22 23:37                   ` Tilman Schmidt
2009-10-23 13:34                     ` Johannes Berg
2009-10-23 14:27                       ` Tilman Schmidt
2009-10-23 14:31                         ` Johannes Berg
2009-10-23 16:33                           ` Tilman Schmidt
2009-10-11 16:39 ` Joe Korty
2007-05-29  6:01 Rafał Bilski
2007-05-28 21:04 Rafał Bilski
2007-05-28 22:12 ` Anant Nitya

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