patchbots open maxima threads and don't close them

[jonatha...@googlemail.com]

Hi there,

I run a patchbot (panke), which completely slowed down because of maxima threads that ate away my memory. There were like 10 of them. Is this a bug?

Killing those threads the patchbot keeps on running just fine. So apparently, they were really lost.

Jonathan

[Vincent Delecroix]

Are these really threads? I think they are independent
processes (otherwise they would be closed at the time sage
terminates its test). I observe the same invasion on my
patchbot. But they not only eat memory but also CPU.

Vincent

[Vincent Delecroix]

More precisely I had 3 x 3 groups of processes (each time, killing
one of them killed the other 2 in the same group).

Vincent

[Dima Pasechnik]

see trac ticket 33027 - such a zombie process pops up whenever maxima (pexpect interface) is invoked from a .sage script, which is not explicitly terminated 

One source of this is building sagetex with SAGE_CHECK=yes, but possibly there are more.

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