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Date:      Wed, 17 Jun 2015 19:00:18 +0300
From:      Mihai Vintila <unixro@gmail.com>
To:        Hans Petter Selasky <hps@selasky.org>,  freebsd-infiniband@freebsd.org
Subject:   Re: Ib0 not working unless i unload ipoib and load it again.
Message-ID:  <55819992.2070207@gmail.com>
In-Reply-To: <557DD869.3060806@selasky.org>
References:  <557C79D8.8040403@gmail.com> <557C7D94.9020207@selasky.org> <557DCA80.50203@gmail.com> <557DCEA7.3030703@selasky.org> <557DD20B.7020508@gmail.com> <557DD869.3060806@selasky.org>

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Do you guys know how to catch mlx4_core0: mlx4_ib: Port 1 logical link 
is up         with devd ?
Seems that its enough to run ifconfig ib0 down && ifconfig ib0 up to fix 
things, and devd should be ideal for this.

Best regards,
Vintila Mihai Alexandru

On 6/14/2015 10:39 PM, Hans Petter Selasky wrote:
> On 06/14/15 21:12, Mihai Vintila wrote:
>> Same behavior:
>>   sysctl -w sys.device.mlx4_core0.mlx4_port1=ib
>> sys.device.mlx4_core0.mlx4_port1: eth -> ib
>>   ifconfig ib0
>> ib0: flags=8043<UP,BROADCAST,RUNNING,MULTICAST> metric 0 mtu 2044
>> options=8009b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,LINKSTATE> 
>>
>>          lladdr 0.0.0.48.fe.80.0.0.0.0.0.0.e4.1d.2d.3.0.a.21.31
>>          inet 10.105.0.225 netmask 0xffffff00 broadcast 10.105.0.255
>>          nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>
>>   ping 10.105.0.15
>> PING 10.105.0.15 (10.105.0.15): 56 data bytes
>> ping: sendto: No route to host
>> ping: sendto: No route to host
>>
>> Might worth to mention that this host also holds opensm, and i actually
>> need to run opensm first next unload/load the module.
>> But i rather expect that the ib0 state changes along mlx4_core0 state.
>>
>
> If you do:
>
> ifconfig ib0 down
> ifconfig ib0 up
>
> Does it work then?
>
> --HPS
>




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