PC GAMESS-related discussion club

Alex Granovsky
gran@classic.chem.msu.su

you simply need to use cleanipcs or ipcrm to remove old dead sysv semaphores from your system. Note, if you are running PC GAMESS not in parallel, you can reduce the number of required semaphores by using -nompi command line switch.

Best regards,
Alex Granovsky


On Sat Feb 2 '08, Tae-Yun Park wrote
------------------------------------
>Hi,

>I'm trying to run a set of 4 jobs on an AMD Phenom 9500 quadcore machine simultaneously under a Linux OS(CentOS5.1). No problem on running a single job, but when 4 jobs are running background on a simultaneous basis, I¡¯ve got the following error:

>p0_11832: p4_error: OOPS: semop lock failed: -1

>More serious problem is, the 4 running jobs do not always produce the corresponding output files. I guess the calculation was done fine, but for some reason, it is not written on the HD. This problem only happens when I tried to run 4 jobs at the same time.

>Any suggestion?

>Many thanks in advance.

>Tae-Yun Park
>