[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

Change by STINNER Victor : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___ __

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

miss-islington added the comment: New changeset d1dd6be613381b996b9071443ef081de8e5f3aff by Miss Islington (bot) in branch '3.7': bpo-35772: Fix test_tarfile on ppc64 (GH-11606) https://github.com/python/cpython/commit/d1dd6be613381b996b9071443ef081de8e5f3aff -- nosy: +miss-islingto

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

Change by miss-islington : -- pull_requests: +11398 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://m

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

STINNER Victor added the comment: New changeset b2385458ceddaf3d0d91456923716259d3915023 by Victor Stinner in branch 'master': bpo-35772: Fix test_tarfile on ppc64 (GH-11606) https://github.com/python/cpython/commit/b2385458ceddaf3d0d91456923716259d3915023 -- __

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

Change by miss-islington : -- pull_requests: +11398, 11399 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: ht

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

STINNER Victor added the comment: I updated PR 11606 to mention the link between tmpfs and the page size. -- ___ Python tracker ___ ___

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

Change by STINNER Victor : -- pull_requests: +11339 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://m

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

Change by STINNER Victor : -- pull_requests: +11339, 11340, 11341 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscri

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

Change by STINNER Victor : -- pull_requests: +11339, 11340 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: ht

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

STINNER Victor added the comment: Ah yes, I confirm that ppc64le uses 64 KiB page size: # python3 Python 3.6.8 (default, Jan 11 2019, 01:44:37) [GCC 8.2.1 20180905 (Red Hat 8.2.1-3)] on linux >>> import resource >>> resource.getpagesize() 65536 whereas my x86_64 laptop uses 4 KiB page size:

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

Florian Weimer added the comment: offsets = ( 4096, 12288, 20480, 28672, 36864, 45056, 53248, 61440, 69632, 77824,) These offsets are less than 64 KiB apart. On systems with a 64 KiB page size, this will not result in a sparse file on tmpfs because the effective block size is the pa

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

STINNER Victor added the comment: Oops, I forgot to attached my test script: create_sparse.py -- Added file: https://bugs.python.org/file48067/create_sparse.py ___ Python tracker

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

Change by STINNER Victor : -- nosy: +lars.gustaebel ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: https://m

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

Change by STINNER Victor : -- keywords: +patch, patch pull_requests: +11332, 11333 stage: -> patch review ___ Python tracker ___ __

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

Change by STINNER Victor : -- keywords: +patch pull_requests: +11332 stage: -> patch review ___ Python tracker ___ ___ Python-bugs-

[issue35772] test_tarfile fails on ppc64le when using tmpfs filesystem

New submission from STINNER Victor : The following test_tarfile tests fail on ppc64 when using tmpfs filesystem (which is the case on RHEL package build server): * test_sparse_file_00 (test.test_tarfile.GNUReadTest) * test_sparse_file_01 (test.test_tarfile.GNUReadTest) * test_sparse_file_10 (t