netdev - Re: [crash] kernel BUG at net/core/pktgen.c:3503!

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Message-Id: <20090917.102923.174779685.davem@davemloft.net>
Date:	Thu, 17 Sep 2009 10:29:23 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	gorcunov@...il.com
Cc:	mingo@...e.hu, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [crash] kernel BUG at net/core/pktgen.c:3503!

From: Cyrill Gorcunov <gorcunov@...il.com>
Date: Tue, 15 Sep 2009 22:51:12 +0400

> [Ingo Molnar - Tue, Sep 15, 2009 at 08:36:47PM +0200]
> | 
> | not sure which merge caused this, but i got this boot crash with latest 
> | -git:
> | 
> | calling  flow_cache_init+0x0/0x1b9 @ 1
> | initcall flow_cache_init+0x0/0x1b9 returned 0 after 64 usecs
> | calling  pg_init+0x0/0x37c @ 1
> | pktgen 2.72: Packet Generator for packet performance testing.
> | ------------[ cut here ]------------
> | kernel BUG at net/core/pktgen.c:3503!
> | invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
> | last sysfs file: 
> | 
> 
> Hi Ingo,
> 
> just curious, will the following patch fix the problem?
> I've been fixing problem with familiar symthoms on
> system with custome virtual cpu implementation so
> it may not help in mainline but anyway :)

Ingo, does Cyrill's patch help?
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