On Wed, 23 Nov 2005, Jiri Kosina wrote:
> Uhm, according to
> http://goc.grid.sinica.edu.tw/gstat/praguelcg2/GIISQuery_Usage_cpu_.html
> it seems I have fixed it (or at least there was no BDII outage for ~12
> hours, which is very good result compared to the frequency of previous
> outages). Hm, now, the way how I fixed it is quite strange and I
> actually don't yet fully understand why this fixes the issue :) What I
> have done was removing both setpgrp() calls from the lcg-info-generic
> perl script. I initially found out that when the script is executed from
> midnight commander, it hangs. I debugged it to those two calls hanging
> (I actually don't understand how setpgrp() might block yet, I will look
> into kernel sources). After commenting them out, the script runs
> smoothly from midnight commander and also the BDII outages _seem_ to
> have been fixed.
I was too happy too soon. This outages started happening again today (as
can be seen at the GIIS monitor), without me touching anything in the
configuration for several days. I will dig into it again.
Any ideas are very welcome. Thanks,
--
Jiri Kosina
Institute of Physics, Academy of sciences of the Czech Republic
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