Re: kern/48996: ifconfig shows error message when changing MTU of bridge

[Ryota Ozaki <ozaki-r%NetBSD.org@localhost>]

Hi HAYASHI-san,

I fixed the problem by v1.88 of if_bridge.c:
http://cvsweb.netbsd.org/cgi-bin/cvsweb.cgi/src/sys/net/if_bridge.c

Could you confirm?

Thanks,
  ozaki-r


On Wed, Jul 16, 2014 at 12:25 AM, Takahiro HAYASHI 
<t.hash425%gmail.com@localhost> wrote:
>>Number:         48996
>>Category:       kern
>>Synopsis:       ifconfig shows error message when changing MTU of bridge
>>Confidential:   no
>>Severity:       non-critical
>>Priority:       low
>>Responsible:    kern-bug-people
>>State:          open
>>Class:          sw-bug
>>Submitter-Id:   net
>>Arrival-Date:   Tue Jul 15 15:25:00 +0000 2014
>>Originator:     Takahiro HAYASHI
>>Release:        NetBSD 6.99.47
>>Organization:
>>Environment:
> System: NetBSD  6.99.47 NetBSD 6.99.47 (XHCIDEBUG) #2: Mon Jul 14 02:12:59 
> JST 2014  root@halt:/build/head/obj.amd64/sys/arch/amd64/compile/XHCIDEBUG 
> amd64
> Architecture: x86_64
> Machine: amd64
>>Description:
>         When I change the MTU of bridge, ifconfig shows following error
>         message:
>
>         > ifconfig bridge0 mtu 1504
>         > ifconfig: SIOCSIFMTU: Network dropped connection on reset
>
>         The configuration is done normally and ifconfig exits with 0.
>         This looks harmless but may confuse users or scripts.
>
>         I guess something lacks in the case of ioctl SIOCSIFMTU in
>         net/if_bridge.c, e.g. setting error = 0 when error == ENETRESET.
>
>>How-To-Repeat:
>         See Description.
>>Fix:
>
>
> --
> t-hash
>