another race condition?

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another race condition?

Dmitri A. Sergatskov
I noticed that some recent buildbot builds fail at make check with octave process running at 100% cpu load until it gets killed. E.g.:

http://buildbot.octave.org:8010/builders/gcc-lto-fedora/builds/1515/steps/test/logs/stdio

<<<<
 plot/util/ishandle.m ........................................
command timed out: 1200 seconds without output running ['nice', '-n', '10', 'xvfb-run', '-a', '-s', '-screen 0 640x480x24', 'make', 'V=1', 'check'], attempting to kill
process killed by signal 9
>>>>

or here:

<<<<
  plot/util/hgload.m .......................................... PASS      3/3   
  plot/util/hgsave.m ..........................................fatal: caught signal Terminated -- stopping myself...
>>>>

I cannot trigger it on a lightly loaded machine.

Dmitri.
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