I rebooted the machine, went back into the sage directory, typed in make, and the install restarted and eventually finished.
I have run the build process 3 or 4 times, and the same pattern occurs.
This evening I started the "make" at 6pm Melbourne time, and at 8pm, the machine went into 100% usage on all 12 cpus in scipy build, cooling fans sounded as if they were at a maximum, I copied the screen output below, and the screen and mouse postion froze. The cooling fans also slowed down.
I rebooted the machine, and copied
[[scipy-1.12.0] [spkg-install] [1010/1610] Copying file scipy/spatial/_qhull.pxd
[scipy-1.12.0] [spkg-install] [1011/1610] Copying file scipy/spatial/setlist.pxd
[scipy-1.12.0] [spkg-install] [1012/1610] Compiling C object scipy/spatial/_qhull.cpython-310-x86_64-linux-gnu.so.p/qhull_misc.c.o
make[1]: Entering directory '/mnt/extra_data/Sage/Develop/sage/build/make'
make[1]: Leaving directory '/mnt/extra_data/Sage/Develop/sage/build/make'
*** ALL ENVIRONMENT VARIABLES BEFORE BUILD: ***
COLORTERM=truecolor
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
DESKTOP_SESSION=ubuntu
DISPLAY=:0
GDMSESSION=ubuntu
GNOME_DESKTOP_SESSION_ID=this-is-deprecated
and scipy process repeated, again at 100% all cpus, but did not stop:
[scipy-1.12.0] [spkg-install] [1608/1610] Linking static target scipy/optimize/_highs/libhighs.a
[scipy-1.12.0] [spkg-install] [1609/1610] Compiling C++ object scipy/optimize/_highs/_highs_wrapper.cpython-310-x86_64-linux-gnu.so.p/meson-generated__highs_wrapper.cpp.o
[scipy-1.12.0] [spkg-install] [1610/1610] Linking target scipy/optimize/_highs/_highs_wrapper.cpython-310-x86_64-linux-gnu.so
[scipy-1.12.0] [spkg-install] [1/1299] /mnt/extra_data/Sage/Develop/sage/local/var/lib/sage/venv-python3.10/var/tmp/sage/build/scipy-1.12.0/src/.mesonpy-bnrdgdh6/scipy/version.py
[scipy-1.12.0] [spkg-install] [2/1299] /mnt/extra_data/Sage/Develop/sage/local/var/lib/sage/venv-python3.10/var/tmp/sage/build/scipy-1.12.0/src/.mesonpy-bnrdgdh6/scipy/_lib/_ccallback_c.cpython-310-x86_64-linux-gnu.so
I would be interested if anyone else had this experience.
[spkg-install] warning: /mnt/extra_data/Sage/Sage_10_4/sage/local/var/lib/sage/venv-python3.10/var/tmp/sage/build/scipy-1.12.0/src/scipy/spatial/_ckdtree.pyx:1627:5: Only extern functions can throw C++ exceptions.
Edited for legibility.
You don't say a thing on what your platform is (OS, existing packages, mode of installation, source, etc...). Your "last error" is a warning (and seems unrelated to your freezing problem).
A better place to report your problem would be either sage-support. If you have reasonts to presume the problem is release-specific (e. g. you managed to install a previous version or beta), sage-release might be preferable.
HTH,
Thank you, Emmanuel,
your comments are very useful. The machine I am using is a core i5, with 12 cpu showing. I use Ubuntu Linux, Ubuntu 22.04.3 LTS
The last active record is the scipy one, and looks like it simply the last record, by chance, ans so adds no value.
The day before I cloned and built the development version, with no problems.
I will not bother anyone again, sorry if I have wasted your time.
kind regards, Kevin
Does this mean that your problem "happened to" fix itself ?
You're welcome ! Questions about free software are part of the software itself ;-).
Yes, Emmanuel, having executed the process a few times, it has become a probability problem.
It appears that all 12 cpus hit 100%, sensors show the increase in temperature, and the computer fail safe settings causes the shutdown. It has been 100% on all cpus, but does not shutdown.
If the machine was an i7 instead of an i5, maybe it would OK. My room temp is about 16C.
thank you for your time and interest.