Re: [PATCH net] ipv6: don't stop backtracking in fib6_lookup_1 if subtree does not match

On Fri, Aug 09, 2013 at 04:12:20PM +0200, Teco Boot wrote:

Double checked, it works. Tested with Common Open Research Emulator (CORE, from NRL).

=== But ===

I had some problems with CORE. Could be me, new kernel version, the patch, CORE using network namespaces, or combination of that. sudo hangs, reboot hangs, ip address show hangs.
With ps -ef, I see some suspected items:
root      4858  4161  0 15:57 ?        00:00:00 /sbin/ip -6 addr flush dev eth0
root      4859     2  0 15:57 ?        00:00:00 [kworker/0:3]
In the emulation I use, there was no IPv6.

I'll try to figure out if it is CORE & netns in combination with patch. Or just the patch. Or just the new kernel.
Just to speed up, any idea where to look for?

echo t > /proc/sysrq-trigger and check dmesg while the system hangs. Maybe you
have to use a serial console and send the sysrq over keyboard/break.

Greetings,

  Hannes