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

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Message-Id: <20080308142050.0af62ced.komurojun-mbn@nifty.com>
Date:	Sat, 8 Mar 2008 14:20:50 +0900
From:	Komuro <komurojun-mbn@...ty.com>
To:	Komuro <komurojun-mbn@...ty.com>
Cc:	netdev@...r.kernel.org, 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,

sorry, this problem exist on 2.6.25-rc2.
but it seems to be fixed on 2.6.25-rc3.


Best Regards
Komuro

> 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
>  
>  
> 


-- 
Komuro <komurojun-mbn@...ty.com>
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