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From: Jarek Poplawski <jarkao2@gmail.com>
To: m0sia <m0sia@plotinka.ru>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	netdev@vger.kernel.org, bugme-daemon@bugzilla.kernel.org
Subject: Re: [Bugme-new] [Bug 11571] New: u32_classify Kernel Panic
Date: Thu, 18 Sep 2008 07:53:51 +0000	[thread overview]
Message-ID: <20080918075351.GA4633@ff.dom.local> (raw)
In-Reply-To: <48D1FDB8.4040805@plotinka.ru>

On Thu, Sep 18, 2008 at 01:05:28PM +0600, m0sia wrote:
...
>>>> http://bugzilla.kernel.org/show_bug.cgi?id=11571
>>>>
>>>>            Summary: u32_classify Kernel Panic
...
> It happens on a production server and i can't experiment with this bug.  
> Now i'm using MARK iptable target and fw mark filter, because of this  
> bug. I think it happens when deleting or adding filters(it occur  
> automatically by script, when adding new user or user change speed).  
> I'll try this patch on test server.

OK, no hurry. BTW, it looks like some traffic is needed in a qdisc
while its filters are modified to trigger this. Probably, turning off
CONFIG_CLS_U32_PERF can make this less visible. On the other hand,
turning on memory debugging: CONFIG_DEBUG_SLAB or CONFIG_SLUB_DEBUG_ON
should be helpful here.

Jarek P.

  reply	other threads:[~2008-09-18  7:53 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-11571-10286@http.bugzilla.kernel.org/>
2008-09-16 16:15 ` [Bugme-new] [Bug 11571] New: u32_classify Kernel Panic Andrew Morton
2008-09-17 19:38   ` Jarek Poplawski
2008-09-17 22:08     ` Jarek Poplawski
2008-09-18  7:05     ` m0sia
2008-09-18  7:53       ` Jarek Poplawski [this message]
2009-01-05 13:52         ` [PATCH] " Jarek Poplawski
2009-01-06  2:14           ` David Miller
2008-10-11 11:17     ` pkt_sched: cls_u32: Fix locking in u32_delete() Jarek Poplawski
2008-10-11 14:10       ` Herbert Xu
2008-10-11 19:24         ` David Miller
2008-10-11 22:04           ` Jarek Poplawski
2008-10-11 22:05             ` David Miller
2008-10-13  6:46               ` Jarek Poplawski

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