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From: Sven-Thorsten Dietrich <sven@thebigcorporation.com>
To: John Culvertson <jculvertson@gmail.com>
Cc: linux-rt-users@vger.kernel.org
Subject: Re: 2.6.33.6-rt28 kernel oops while stressing network
Date: Fri, 13 Aug 2010 13:17:08 -0700	[thread overview]
Message-ID: <4C65A844.1010702@gmail.com> (raw)
In-Reply-To: <AANLkTimU0pf-9xRzJ8p4-OY=itmfjS3GJX4CKBZ9XorG@mail.gmail.com>

  On 08/13/2010 11:07 AM, John Culvertson wrote:
> Thanks for the suggestions.  I have tried the unpatched 2.6.33.7
> kernel, and the problem does not occur.  The hardware is a single
> board industrial computer with the network controllers onboard, so I
> cannot easily try different NICs.  I have not seen the problem occur
> with only one port in use, but I have not tested that long enough to
> be positive.
>
> One thing that may be a little odd about this computer is that both
> Ethernet controllers (Intel 82559) share the same PCI interrupt.
> Interrupt sharing should be OK, but since adjacent PCI slots in normal
> PCs generally use different interrupts, it may not occur often in
> other systems.
>

Does it reproduce when you turn off PREEMPT_RT, but leave all the IRQ 
threading options enabled?



  reply	other threads:[~2010-08-13 20:17 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-09 20:10 2.6.33.6-rt28 kernel oops while stressing network John Culvertson
2010-08-10 12:23 ` Patrice Kadionik
2010-08-10 13:00   ` Patrice Kadionik
2010-08-12 16:09     ` Patrice Kadionik
     [not found] ` <AANLkTi=tPSeXTZkjPPm_MGmmOx2fZhryOkajgssv0EsX@mail.gmail.com>
2010-08-11 16:53   ` John Culvertson
2010-08-13 17:37     ` John Culvertson
2010-08-13 17:56       ` Darcy Watkins
     [not found]         ` <AANLkTikty=V_==0udO9F2MxpVxwuLzyOQZt0ha5=VC3y@mail.gmail.com>
2010-08-13 18:07           ` John Culvertson
2010-08-13 20:17             ` Sven-Thorsten Dietrich [this message]
2010-08-13 21:20               ` John Culvertson
2010-08-13 22:57                 ` Sven-Thorsten Dietrich
2010-08-16 17:16                   ` John Culvertson
2010-08-16 17:22                     ` Sven-Thorsten Dietrich
     [not found]           ` <D61182AC8012EA4EBC531B3AF23BE1099C86D6@tranzeo-mail2.12stewart.tranzeo.com>
     [not found]             ` <AANLkTi=3cz2RyHPdoNRjucTozKqDmJc8sDh+hsnmhKAS@mail.gmail.com>
2010-08-13 19:56               ` Darcy Watkins
2010-08-27 10:33     ` Thomas Gleixner

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