From: Jarek Poplawski <jarkao2@gmail.com>
To: Matheos Worku <Matheos.Worku@Sun.COM>
Cc: netdev@vger.kernel.org
Subject: Re: 2.6.24 BUG: soft lockup - CPU#X
Date: Wed, 26 Mar 2008 22:46:48 +0100 [thread overview]
Message-ID: <20080326214648.GA16497@ami.dom.local> (raw)
In-Reply-To: <47EAB158.3080806@sun.com>
On Wed, Mar 26, 2008 at 01:26:00PM -0700, Matheos Worku wrote:
...
> Reproduced the lockup with irqbalance disabled and with single src of
> interrupt (TX interrupt, UDP transmit). Lockup appears in different
> location though.
>
> Regards
> matheos
>
> irq of interest: 454 (TX interrupt)
>
>
> 454: 19249 93234 907186 2691 0 188
> 0 160 PCI-MSI-edge eth6
...
> .......
>
> 454: 19249 126519 907186 2691 0 188
> 0 160 PCI-MSI-edge eth6
Hmm... Is this before disabling or I miss something?
Of course, my hint could be wrong here, but there are some issues
around napi vs. irq balancing, so it would be interesting to check
this with all network cards irqs affinity set (and respected).
This could be interesting:
http://marc.info/?l=linux-netdev&m=120349568512423&w=2
(but I suspect there are possible other reasons yet)
Jarek P.
next prev parent reply other threads:[~2008-03-26 21:36 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-26 16:46 2.6.24 BUG: soft lockup - CPU#X Matheos Worku
2008-03-26 17:31 ` Rick Jones
2008-03-26 20:14 ` Jarek Poplawski
2008-03-26 20:26 ` Matheos Worku
2008-03-26 21:46 ` Jarek Poplawski [this message]
2008-03-26 21:53 ` Jarek Poplawski
2008-03-27 10:33 ` Jarek Poplawski
2008-03-27 23:18 ` Brandeburg, Jesse
2008-03-27 23:45 ` Matheos Worku
2008-03-28 0:02 ` David Miller
2008-03-28 0:19 ` Matheos Worku
2008-03-28 0:34 ` David Miller
2008-03-28 1:22 ` Herbert Xu
2008-03-28 1:38 ` David Miller
2008-03-28 10:29 ` Herbert Xu
2008-03-28 10:56 ` Ingo Molnar
2008-03-28 11:06 ` Herbert Xu
2008-03-28 11:29 ` Herbert Xu
2008-03-28 12:19 ` jamal
2008-03-28 13:26 ` Herbert Xu
2008-03-28 14:07 ` jamal
2008-03-28 14:12 ` Ingo Molnar
2008-03-28 23:25 ` David Miller
2008-03-28 14:09 ` Ingo Molnar
2008-03-28 1:58 ` Matheos Worku
2008-03-28 10:33 ` jamal
2008-03-28 17:00 ` Matheos Worku
2008-03-28 10:38 ` Herbert Xu
2008-03-28 13:38 ` Jarek Poplawski
2008-03-28 13:53 ` Herbert Xu
2008-03-28 14:39 ` Jarek Poplawski
2008-03-28 14:56 ` Herbert Xu
2008-03-28 15:29 ` Jarek Poplawski
2008-03-28 15:47 ` Jarek Poplawski
2008-03-29 1:06 ` Herbert Xu
2008-03-29 9:11 ` Jarek Poplawski
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