[ofa-general] Re: CM Enable SRQ for less than 16 s/g - bug

Pradeep Satyanarayana pradeeps at linux.vnet.ibm.com
Sun Jan 27 10:06:08 PST 2008


Eli Cohen wrote:
> This commit b150c30c28976f0dcf96bb28780ae62897264c54 introduces a
> problem in IPOIB CM.
> 
> failure description:
> test hangs.
> 
> bug was found by Mellanox regression.
> 
> test info:
> server:
> ttcpv -s -r -p 19033 -l 100000
> 
> client:
> ttcpv -s -t 11.4.3.112 -p 19033 -l 100000 -n 8192
> 
...
> 
> 
> Can you take a look at this?
> 
Sure, can you provide some more details about this hang like a stack trace?
Bulk of the changes this patch introduces are in ipoib_cm_dev_init(). So, it
should not affect the send and receive paths. Not sure why the hang occurs.

Pradeep




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