[Python-bugs-list] [Bug #116546] test_longexp.py causes apparently endless page thrashing

[noreply@sourceforge.net]

Bug #116546, was updated on 2000-Oct-10 14:59
Here is a current snapshot of the bug.

Project: Python
Category: None
Status: Open
Resolution: None
Bug Group: Platform-specific
Priority: 5
Summary: test_longexp.py causes apparently endless page thrashing

Details: 2.0 release candidate 1, built from source on a SPARCstation LX w/64 MB,
fails to run the test_longexp.py test.  The disk became very active (page
thrashing?), the window system became non-responsive to mouse button
clicks, and the cursor followed mouse movement only sluggishly.

The system also became non-responsive to network requests, attempts to
ping and to telnet both failing.

At present values of up to 10000 for REPS have been validated as OK.

I will leave an overnight test running with the original value to see if it
completes (having terminated the original test after 30 min).

Follow-Ups:

Date: 2000-Oct-11 06:18
By: holdenweb

Comment:
The overnight output tends to suggest the test is causing severe problems for
the operating system.  I believe the termination was due to over-consumption
of resources, but if it can't complete in 2:41 then I have a suspicion it never will.

[sholden@holden Python-2.0c1]$ time ./python ./Lib/test/test_longexp.py
Command terminated by signal 9
7.37user 492.86system 2:41:00elapsed 5%CPU (0avgtext+0avgdata 0maxresident)k
0inputs+0outputs (54713major+3735minor)pagefaults 6965swaps

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http://sourceforge.net/bugs/?func=detailbug&bug_id=116546&group_id=5470