netdev - Re: 2.6.24 BUG: soft lockup

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 26 Mar 2008 22:46:48 +0100
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Matheos Worku <Matheos.Worku@....COM>
Cc:	netdev@...r.kernel.org
Subject: Re: 2.6.24 BUG: soft lockup - CPU#X

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.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html