David Miller <[email protected]> wrote:
> From: Lukas Razik <[email protected]>

> Date: Fri, 18 Nov 2011 17:42:30 +0000 (GMT)
> 
>>  I could apply also your second patch to linux-2.6.39.4 manually. So
>>  you don't need to write another version.  Now I'll try to test it
>>  with the new OFED drivers...
> 
> Thanks for all of your testing so far.

Hello David!

Oh, no! Please don't thank me. That's as if my grandma would have thanked after 
I've eaten her tasty cake... :)
I thank you and Roland very much for the fast and professional help! You did a 
very good job!
I still can't use OpenMPI over the ConnectX adapter (another error) but that's 
not for the SPARC list I think.

I think you've eliminated the BUG we talk about. :)
Again: I've applied the patch against 2.6.39.4 manually. I can't say if it also 
works with linux-3.1.1 because of OFED-1.5.4-rc4 .

Now if I run 'ibv_devinfo' I get no kernel BUG messages anymore and my 
system doesn't hang if I use one of the ibv_*_pingpong utilities:
---
cluster1:~# ibv_rc_pingpong -n 1000000
  local address:  LID 0x0006, QPN 0x04004e, PSN 0x411c25, GID ::
  remote address: LID 0x0003, QPN 0x0c004a, PSN 0xc6aa3d, GID ::
8192000000 bytes in 19.59 seconds = 3345.20 Mbit/sec
1000000 iters in 19.59 seconds = 19.59 usec/iter

cluster2:~# ibv_rc_pingpong -n 1000000 cluster1
  local address:  LID 0x0003, QPN 0x0c004a, PSN 0xc6aa3d, GID ::
  remote address: LID 0x0006, QPN 0x04004e, PSN 0x411c25, GID ::
8192000000 bytes in 19.60 seconds = 3344.02 Mbit/sec
1000000 iters in 19.60 seconds = 19.60 usec/iter
---

BTW: If you need someone in the future for testing a SPARC64 patch - just write 
me!

Regards and have a nice weekend,
Lukas


PS: That's the whole conversation:
http://thread.gmane.org/gmane.linux.drivers.rdma/10157
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