[issue18004] test_list.test_overflow crashes Win64

Changes by Serhiy Storchaka : -- resolution: -> fixed stage: commit review -> resolved status: open -> closed ___ Python tracker ___

[issue18004] test_list.test_overflow crashes Win64

Changes by Serhiy Storchaka : -- assignee: -> serhiy.storchaka stage: needs patch -> commit review ___ Python tracker ___ ___ Python-

[issue18004] test_list.test_overflow crashes Win64

Roundup Robot added the comment: New changeset 217485e80a32 by Serhiy Storchaka in branch '2.7': Issue #18004: test_overflow in test_list by mistake consumed 40 GiB of memory http://hg.python.org/cpython/rev/217485e80a32 -- nosy: +python-dev ___ Pytho

[issue18004] test_list.test_overflow crashes Win64

Serhiy Storchaka added the comment: I was wrong. Here should be just sys.maxsize. With sys.maxint the test should consume about 32 GB of memory and then fail on assertion (imul requires even 40 GB, but the test fails earlier). -- stage: patch review -> needs patch versions: -Python 3.

[issue18004] test_list.test_overflow crashes Win64

Changes by Serhiy Storchaka : Removed file: http://bugs.python.org/file36199/test_list_overflow-2.7.patch ___ Python tracker ___ ___ Python-bu

[issue18004] test_list.test_overflow crashes Win64

Changes by Serhiy Storchaka : Removed file: http://bugs.python.org/file36198/test_list_overflow-3.4.patch ___ Python tracker ___ ___ Python-bu

[issue18004] test_list.test_overflow crashes Win64

Changes by Serhiy Storchaka : Added file: http://bugs.python.org/file36199/test_list_overflow-2.7.patch ___ Python tracker ___ ___ Python-bugs

[issue18004] test_list.test_overflow crashes Win64

Serhiy Storchaka added the comment: Definitely this test should be decorated as bigmemtest. Here are patches. -- keywords: +patch nosy: +serhiy.storchaka stage: -> patch review versions: +Python 3.4, Python 3.5 Added file: http://bugs.python.org/file36198/test_list_overflow-3.4.patch _

[issue18004] test_list.test_overflow crashes Win64

Anselm Kruis added the comment: Currently, if you run the test suite of a 64bit Windows python installation it consumes all your memory and - depending on your RAM and swap space - you system becomes unusable. That's a behaviour nobody expects. I didn't look into the implementation of the test

[issue18004] test_list.test_overflow crashes Win64

Mark Lawrence added the comment: What if anything needs to be done here? -- nosy: +BreamoreBoy ___ Python tracker ___ ___ Python-bugs-

[issue18004] test_list.test_overflow crashes Win64

Anselm Kruis added the comment: > I take it you have more than 16GB of RAM? I used a system with 16GB Ram. > What happens if you replace "sys.maxint" with "sys.maxsize" in test_overflow? The test passes. Both mul and imul raise MemoryError. -- ___ Py

[issue18004] test_list.test_overflow crashes Win64

Changes by Armin Rigo : -- nosy: -arigo ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.org

[issue18004] test_list.test_overflow crashes Win64

Antoine Pitrou added the comment: Note: "test_overflow" can be found in Python2.7/Lib/test/test_list.py -- ___ Python tracker ___ ___

[issue18004] test_list.test_overflow crashes Win64

Antoine Pitrou added the comment: I take it you have more than 16GB of RAM? What happens if you replace "sys.maxint" with "sys.maxsize" in test_overflow? -- nosy: +arigo, pitrou ___ Python tracker _

[issue18004] test_list.test_overflow crashes Win64

New submission from Anselm Kruis: I installed Python 2.7.5 including tests using the MSI installer from http://www.python.org/ftp/python/2.7.5/python-2.7.5.amd64.msi Running python.exe -m test.regrtest -v test_list consumes all available memory and renders the my system completely unusable. I