Ignoring an error doesn't seem like a good idea. The real question is why we are getting that error - it sounds like the newest Glibc release has changed the API?? Can you send us the revised one so we can put in a test and use the correct API for the installed version?
On Mar 9, 2010, at 9:40 AM, Lasse Kliemann wrote: > $ mpirun -n 1 ls > -------------------------------------------------------------------------- > mpirun was unable to launch the specified application as it encountered an > error: > > Error: pipe function call failed when setting up I/O forwarding subsystem > Node: xxxxx.xxxxxxxxxx.xxxxxxxx.xx > > while attempting to start process rank 0. > -------------------------------------------------------------------------- > > I receive this error constantly. I tracked it down so far that it > appears now certain that the 'tcgetattr' and 'tcsetattr' calls in > 'orte/mca/iof/base/iof_base_setup.c' are responsible. 'errno' is > set to 22 each, which means 'invalid argument'. We can simply > ignore the return values of these calls and continue, as done in > the attached patch. Some simple tests suggest that everything > else is fine, but I haven't tested thoroughly yet. > > On another system, this problem is absent. The main difference > are GCC and Glibc versions. The problematic system uses GCC 4.3.4 > and Glibc 2.11.1 -- which is the newest Glibc release and maybe > untested yet with OpenMPI. > > Let me know which additional information I can provide to further > analyze this issue. > <patch.txt>_______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
