[ofa-general] ibping fails in loopback mode

[Sasha Khapyorsky]

On 18:36 Mon 19 Mar     , Dukle, Kapil (GE Healthcare) wrote:
> Hi all,
>  
> I'm having trouble getting ibping to work in loopback node. The original
> config is to connect first port of Blade 1 with first port of Blade 2. 
> For my loopback test, I have connected the Infiniband cable between the
> 2 ports on the same Linux blade. 
> Both opensm and ibping (server mode) seem to be running on the blade.
> Ping succeeds to the first active port, but fails
> for the second one. See below...
>  
> Why is the ibping to the second active (and linkup) port failing?  Am I
> missing something? The version is OFED1.0
>  
>  
> [root at XXXX]# ps -elf | grep opensm
> 4 S root      3078     1  0  76   0 - 19039 stext  Mar16 ?
> 00:00:09 /usr/sbin/opensm
> 4 S root      5444  5424  0  77   0 - 13981 pipe_w 17:22 pts/1
> 00:00:00 grep opensm
> 
> [root at XXXX]# ibping -v -S &
> [1] 5445
> [root at vre sdc]# ibwarn: [5445] ibping_serv: starting to serve...

I guess you need to start ibping server for both ports (with -C, -P), so
each one will answer "ping".

Sasha

>  
> [root at XXXX]# ps -elf | grep ibping
> 4 S root      5445  5424  0  77   0 -  1454 -      17:22 pts/1
> 00:00:00 ibping -v -S
> 4 S root      5447  5424  0  77   0 - 13982 -      17:22 pts/1
> 00:00:00 grep ibping
>  
> [root at XXXX]# sminfo
> sminfo: sm lid 0x3 sm guid 0x3ba00010027d9, activity count 203459
> priority 1 state SMINFO_MASTER 3
>  
> [root at XXXX]# ibstat
> CA 'mthca0'
>         CA type: MT25208 (MT23108 compat mode)
>         Number of ports: 2
>         Firmware version: 4.7.400
>         Hardware version: a0
>         Node GUID: 0x0003ba00010027d8
>         System image GUID: 0x0003ba00010027db
>         Port 1:
>                 State: Active
>                 Physical state: LinkUp
>                 Rate: 10
>                 Base lid: 3
>                 LMC: 0
>                 SM lid: 3
>                 Capability mask: 0x02510a6a
>                 Port GUID: 0x0003ba00010027d9
>         Port 2:
>                 State: Active
>                 Physical state: LinkUp
>                 Rate: 10
>                 Base lid: 1
>                 LMC: 0
>                 SM lid: 3
>                 Capability mask: 0x02510a68
>                 Port GUID: 0x0003ba00010027da
>  
> [root at XXXX]# ibping -v 3
> ibwarn: [5452] ibping: Ping..
> ibwarn: [5445] ibping_serv: Pong: vre.(none)
> Pong from vre.(none) (Lid 0x3): time 0.111 ms
> ibwarn: [5452] ibping: Ping..
> ibwarn: [5445] ibping_serv: Pong: vre.(none)
> Pong from vre.(none) (Lid 0x3): time 0.087 ms
> ibwarn: [5452] ibping: Ping..
> ibwarn: [5445] ibping_serv: Pong: vre.(none)
> Pong from vre.(none) (Lid 0x3): time 0.069 ms
> ibwarn: [5452] report: out due signal 2
>  
> --- vre.(none) (Lid 0x3) ibping statistics ---
> 3 packets transmitted, 3 received, 0% packet loss, time 2320 ms
> rtt min/avg/max = 0.069/0.089/0.111 ms
> 
> [root at XXXX]# ibping -v 1
> ibwarn: [5449] ibping: Ping..
> ibwarn: [5449] main: ibping to Lid 0x1 failed
> ibwarn: [5449] ibping: Ping..
> ibwarn: [5449] main: ibping to Lid 0x1 failed
> ibwarn: [5449] ibping: Ping..
> ibwarn: [5449] main: ibping to Lid 0x1 failed
> ibwarn: [5449] report: out due signal 2
>  
> ---  (Lid 0x1) ibping statistics ---
> 3 packets transmitted, 0 received, 100% packet loss, time 11358 ms
> rtt min/avg/max = 0.000/0.000/0.000 ms
> 
>  
> Thanks,
> Kapil

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