Mike and Ralph,

i got the very same error.

in orte/mca/rtc/freq/rtc_freq.c at line 187
fp = fopen(filename, "r");
and filename is "/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor"

there is no error check, so if fp is NULL, orte_getline() will call fgets()
that will crash.

that can happen for example if the intel_pstate (or similar) kernel module
is not loaded on a CentOS 6, or if the intel_pstate kernel module is not
even present (depending on how the linux kernel was built)

Cheers,

Gilles


On Mon, Jun 2, 2014 at 1:19 PM, Ralph Castain <r...@open-mpi.org> wrote:

> It's merrily passing all my MTT tests, so it appears to be fine for me.
>
> It would help if you provided *some* information along with these reports
> - like how was this configured, what environment are you running under, how
> many nodes were you using, etc. Otherwise, it's a totally useless report.
>
>
>

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