[issue13873] SIGBUS in test_big_buffer() of test_zlib on Debian bigmem buildbot

Changes by Nadeem Vawda : -- resolution: -> fixed stage: needs patch -> committed/rejected status: open -> closed ___ Python tracker ___

[issue13873] SIGBUS in test_big_buffer() of test_zlib on Debian bigmem buildbot

Roundup Robot added the comment: New changeset fc43b051ae1c by Nadeem Vawda in branch '3.2': Issue #13873: Fix crash in test_zlib when running on a small (<4GB) tmpfs. http://hg.python.org/cpython/rev/fc43b051ae1c -- ___ Python tracker

[issue13873] SIGBUS in test_big_buffer() of test_zlib on Debian bigmem buildbot

STINNER Victor added the comment: > I'm okay with leaving the tests as they are in 3.3. Any objections? Nope, it's fine. -- ___ Python tracker ___ _

[issue13873] SIGBUS in test_big_buffer() of test_zlib on Debian bigmem buildbot

Nadeem Vawda added the comment: Well, it turns out that when I tested it on my own machine, I actually wasn't using a tmpfs - I misread the output of df and used /tmp¹ instead of /run. Doing the test in /run does in fact give a bus error. Mea culpa. ¹ Apparently on my system /tmp isn't a tmpfs.

[issue13873] SIGBUS in test_big_buffer() of test_zlib on Debian bigmem buildbot

Charles-François Natali added the comment: > but maybe it's due to something specific about the configuration of the > buildbot > machine? Maybe you didn't try with a large enough file. Here's a trial on my box: """ $ df -h /tmp/ Filesystem Size Used Avail Use% Mounted on tmpfs

[issue13873] SIGBUS in test_big_buffer() of test_zlib on Debian bigmem buildbot

Nadeem Vawda added the comment: > The SIGBUS could be due to the buildbot running out of tmpfs. I haven't been able to reproduce the crash by running the test on a tmpfs on my own machine (Ubuntu AMD64; 8GB RAM; Linux 3.0.0-15-generic; zlib 1:1.2.3.4.dfsg-3ubuntu3), but maybe it's due to someth

[issue13873] SIGBUS in test_big_buffer() of test_zlib on Debian bigmem buildbot

Roundup Robot added the comment: New changeset f3f3bb45205b by Nadeem Vawda in branch 'default': Issue #13873: Fix crash in test_zlib on bigmem buildbot. http://hg.python.org/cpython/rev/f3f3bb45205b -- nosy: +python-dev ___ Python tracker

[issue13873] SIGBUS in test_big_buffer() of test_zlib on Debian bigmem buildbot

Charles-François Natali added the comment: """ File "/var/tmpfs/martin.vonloewis/3.x.loewis-parallel2/build/Lib/test/test_zlib.py", line 96 in test_big_buffer """ The SIGBUS could be due to the buildbot running out of tmpfs. -- nosy: +neologix ___

[issue13873] SIGBUS in test_big_buffer() of test_zlib on Debian bigmem buildbot

Changes by STINNER Victor : -- title: SIGBUS in test_zlib on Debian bigmem buildbot -> SIGBUS in test_big_buffer() of test_zlib on Debian bigmem buildbot ___ Python tracker ___