Re: simple.pg of polygraph-2.8.1 on linux

On Wed, 2005-06-22 at 11:50 -0700, Ashwani Wason wrote:
>
> I am pretty much following the instructions in the user manual of
> polygraph-2.8.1 for using the default simple.pg, which sets up a server
> on 127.0.0.1:9090 and client on 127.0.0.1. I am on Fedora (post core 4)
> Linux.
>
> The client fails to connect to the server. I changed the IP addresses so
> that the client and the server run on different machines, but still I
> get the same error. I searched the list archives and web for this error
> but did not find much info.
>
> Here is some output from the client:
>
> Running: "/usr/local/polygraph/bin/polyclt
> --config /home/awason/polygraph/workloads/simple.pg
> --cfg_dirs /home/awason/polygraph/workloads/include --verb_lvl 10"...
> gadgets.cc:282: (s0) Success
> gadgets.cc:282: (s0) Success
> gadgets.cc:282: (s0) Success
> /usr/local/polygraph/bin/polyclt: warning: no run phases were specified;
> generating and using default phase
> PolyApp.cc:720: (s0) Success
..
> gadgets.cc:282: (s0) Success
> gadgets.cc:282: (s0) Success
..
> 000.02| fyi: max local population size: 1 robots
> 000.02| Connection.cc:136: error: 1/1 (s22) Invalid argument
> 000.02| Client.cc:306: error: 1/2 (c59) failed to establish a connection
> 000.02| 127.0.0.1 failed to connect to 127.0.0.1:9090
> 000.02| fyi: reached max local population size: 1 robots
> 000.02| Connection.cc:136: error: 2/3 (s22) Invalid argument
> 000.02| Client.cc:306: error: 2/4 (c59) failed to establish a connection

The attached patch fixes the problem (which Ashwani was kind enough to
help to debug off the mailing list). The bug seems to affect
IPv6-capable versions of Polygraph and newer Linux kernels that have
more strict checks for system call parameters.

HTH,

Alex.