[ofw] svn.2079 checkins and hung dapltest.exe server process

Tzachi Dar tzachid at mellanox.co.il
Wed Apr 15 14:37:25 PDT 2009


Have you been using ipoib? (the other option that I see is wsd).

In that case, than the only problem that I can think of is of sends that
were not completed in time.

Do you have any message in the event log?

Thanks
Tzachi 

> -----Original Message-----
> From: ofw-bounces at lists.openfabrics.org 
> [mailto:ofw-bounces at lists.openfabrics.org] On Behalf Of Smith, Stan
> Sent: Tuesday, April 14, 2009 3:16 AM
> To: Fab Tillier
> Cc: ofw at lists.openfabrics.org
> Subject: [ofw] svn.2079 checkins and hung dapltest.exe server process
> 
> 
> Further testing of hung windows process has shown the problem 
> in ttcp.exe (sender) when an IPoIB IPv4 remote address is used.
> 
> A debug version of ibbus.sys did not fire any asserts w.r.t. 
> reference counting or anything else.
> 
> Attaching windbg to the hung process shows it's waiting in 
> the NT kernel - somewhat supports the ref counting theory. 
> More attention needed here as I did not have current kernel symbols.
> 
> The salient point: this is not 'just' a dapltest.exe issue.
> 
> Cause-n-effect point out that before svn.2079 daptest.exe 
> worked fine, afterwards problems.
> 
> Stan.
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