Changing time causes ipv6 panics

JINMEI Tatuya / 神明達哉 jinmei at isl.rdc.toshiba.co.jp
Mon Feb 20 03:57:41 PST 2006


>>>>> On Sun, 12 Feb 2006 14:56:44 -0800, 
>>>>> Doug Barton <dougb at FreeBSD.org> said:

>> Could you try the patch attached below?  

> I probably should have mentioned this earlier, but I started testing this
> patch on HEAD and RELENG_6 shortly after you sent it, and I haven't been
> able to reproduce the panic I was seeing, either accidentally or on purpose. :)

That's a good news, but do you mean the panic you mentioned before
(copied below)?

>>>>> On Tue, 24 Jan 2006 01:31:35 -0800, 
>>>>> Doug Barton <dougb at FreeBSD.org> said:

> FYI, I'm using the same, and see panics when I'm using IPv6, although I
> haven't got it to dump yet (I'm always in X when it happens). I did find a
> way to semi-reliably trigger the reboot though.

> 1. Set up IPv6 and RA on my local switch
> 2. Configure an IPv6 address on my interface using rtsol
> 3. Open a connection to a remote host over IPv6
> 4. Suddenly withdraw the route on the switch (powering it down works)
> 5. Boom

If so, it's surprising that my patch fixes it as well, since the above
procedure does not seem to be related to address lifetimes...

					JINMEI, Tatuya
					Communication Platform Lab.
					Corporate R&D Center, Toshiba Corp.
					jinmei at isl.rdc.toshiba.co.jp


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