[ofa-general] Question: Verbs API Error code recover

[Wei Fang]

Hi, Dotan:

I found that this issue happen in kernel 2.6.9-22 and related to 
opensm.  When this issue happen, any test always fail. I pull out 
Infiniband cable and relink it, opensm can not response it.  When I stop 
opensm serivce and restart opensm,  Infiniband link recover.  But I 
didn't found this issue in kernel 2.6.20 or 2.6.22.

Dotan Barak wrote:
> Wei Fang wrote:
>> Hi, Dotan:
>>
>> When I got that error, I quit my program and use ib_rmda_bw prorgam 
>> to test Infiniband link. It still fails like this:
>>
>> ib_rdma_bw 10.8.6.3
>> 19068: | port=18515 | ib_port=1 | size=65536 | tx_depth=100 | 
>> iters=1000 | duplex=0 | cma=0 |
>> 19068: Local address:  LID 0x01, QPN 0x2e0404, PSN 0xc39344 RKey 
>> 0x4c003101 VAddr 0x00002a958bc000
>> 19068: Remote address: LID 0x3d9, QPN 0x140404, PSN 0x77012a, RKey 
>> 0x74003100 VAddr 0x00002a958bc000
>>
>> 19068:main: Completion with error at client:
>> 19068:main: Failed status 12: wr_id 3
>> 19068:main: scnt=100, ccnt=0
> This means that the remote QP didn't response (or didn't send the 
> respond in time).
> can you try to execute ibv_rc_pingpong between the sides and check 
> what is the status?
> what is the output of ibv_devinfo in both sides?
> (maybe something bad happened to the link)
>
> thanks
> Dotan
>
>

-- 
Best Regards

Wei Fang

Hermes Microvision Inc.

(Tel)       (408)597-8600
(Fax)       (408)597-8601
(Direct Tel)(408)597-8646

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