netdev - Re: [BUG kernel 2.6.25-rc3 IPV6] ping6 -I eth0 ff02::1 causes system hang.

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Date:	Sat, 8 Mar 2008 13:44:10 +0900
From:	Komuro <komurojun-mbn@...ty.com>
To:	netdev@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, yoshfuji@...ux-ipv6.org
Subject: Re: [BUG  kernel 2.6.25-rc3  IPV6]  ping6 -I eth0 ff02::1 causes
 system hang.

Hi,

>Hmm, I've never seen this on our testlab.  Anyone else?

Could you send 20(twenty) or more ping packets?


>It would be great if you have chance to bisect it...On Sun, 2 Mar 2008 21:07:16 +0900

The bad commit is below.

69cc64d8d92bf852f933e90c888dfff083bd4fc9 is first bad commit
commit 69cc64d8d92bf852f933e90c888dfff083bd4fc9
Author: David S. Miller <davem@...emloft.net>
Date:   Mon Feb 11 21:45:44 2008 -0800

    [NDISC]: Fix race in generic address resolution

    Frank Blaschka provided the bug report and the initial suggested fix
    for this bug.  He also validated this version of this fix.




> Hi,
> 
> On kernel 2.6.25-rc3, IPV6 multicast ping causes system hang
> after sending several multicast ping packet.
> 
> >ping6 -I eth0 ff02::1 
> 
> This problem does not happen on kernel 2.6.24.
> (does not depend on NIC)

 
Best Regards
Komuro
 
 

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