Bridged networking regression in 11.0?

[Patrick M. Hausen]

OK, guys, more replying to myswlf ;-)

> Am 30.08.2017 um 12:04 schrieb Patrick M. Hausen <hausen at punkt.de>:
> 
> Hi, all,
> 
>> Am 30.08.2017 um 09:29 schrieb Patrick M. Hausen <hausen at punkt.de>:
>> one of the systems on which we run our jail based "proServer" product failed
>> in a very odd way for the second time with a couple of days between the two
>> incidents.
>> [...]
> 
> We found this open bug:
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=217606
> [...]

To me it looks like not much changed in if_bridge.c from RELENG_10_3
to RELENG_11_0 ...

https://svnweb.freebsd.org/base/releng/11.0/sys/net/if_bridge.c?view=diff&r1=303975&r2=296373&diff_format=h

The revisions are the topmost entries in
https://svnweb.freebsd.org/base/releng/11.0/sys/net/if_bridge.c
https://svnweb.freebsd.org/base/releng/10.3/sys/net/if_bridge.c
respectively. Is this the correct/best way to answer the question
what changed?

The only real change relates to IF teardown and we did not change anything
(stop/restart jails) when the outages occured.

So ... the network interface driver? Probably?

ix0: <Intel(R) PRO/10GbE PCI-Express Network Driver, Version - 3.1.13-k> port 0x6020-0x603f mem 0xc7c00000-0xc7dfffff,0xc7e04000-0xc7e07fff irq 26 at device 0.0 numa-domain 0 on pci3
ix0: Using MSIX interrupts with 9 vectors
ix0: Ethernet address: 0c:c4:7a:34:ec:ba
ix0: PCI Express Bus: Speed 5.0GT/s Width x8
ix0: netmap queues/slots: TX 8/2048, RX 8/2048

Patrick

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