Hi,
I *think* the problem is in the sage-cleaner, specifically the
following code:
def kill_spawned_jobs(file, parent_pid):
#print "killing %s's spawned jobs"%parent_pid
killed_them_all = True
for L in open(file).readlines():
#print L
i = L.find(' ')
pid = L[:i].strip()
cmd = L[i+1:].strip()
try:
#print "SAGE-Cleaner: trying to kill %s with parent %s"%
(pid, parent_pid)
os.killpg(int(pid), 9)
except OSError, msg:
try:
os.kill(int(pid), 9)
except OSError, msg:
pass
pass
if is_running(pid):
#print "try again later to kill %s"%pid
# try again later
killed_them_all = False
return killed_them_all
Instead of "os.killpg(int(pid), 9)" we should probably use the shell's
kill directly since when I see jobs running amok on sage.math for
example a "kill -9 $PID" has killed them every time. We might also
want reenable a little bit of debug output in the above file [maybe
conditionally with in case some env variable is set] so that we can
collect some data and hopefully see the pattern.
Cheers,
Michael
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