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

From: Komuro
Date: Fri Mar 07 2008 - 23:48:58 EST


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@xxxxxxxxxxxxx>
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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