[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

bms b...@incunabulum.net added the comment: Hi, I've committed a fix to FreeBSD-CURRENT for POSIX semaphores this morning. Root cause analysis on the fork-mt issue points towards the rtld and malloc in RELENG_7 not being able to deal with a mixture of fork and mt. As a workaround, you may

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Changes by Martin v. Löwis [EMAIL PROTECTED]: -- priority: high - release blocker ___ Python tracker [EMAIL PROTECTED] http://bugs.python.org/issue3863 ___ ___

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Gregory P. Smith [EMAIL PROTECTED] added the comment: looks like it already has been merged in py3k. -- versions: +Python 2.5.3 -Python 3.0 ___ Python tracker [EMAIL PROTECTED] http://bugs.python.org/issue3863 ___

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Antoine Pitrou [EMAIL PROTECTED] added the comment: Apparently this can be merged in py3k. (in http://www.python.org/dev/buildbot/trunk/x86%20FreeBSD%20trunk/builds/1589/step-test/0 : [...] test_threading [18218 refs] [18576 refs] [17539 refs] [17539 refs] [17539 refs] Skipping

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Changes by Barry A. Warsaw [EMAIL PROTECTED]: -- priority: deferred blocker - release blocker ___ Python tracker [EMAIL PROTECTED] http://bugs.python.org/issue3863 ___

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Changes by Martin v. Löwis [EMAIL PROTECTED]: -- priority: release blocker - deferred blocker ___ Python tracker [EMAIL PROTECTED] http://bugs.python.org/issue3863 ___

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Andrew I MacIntyre [EMAIL PROTECTED] added the comment: I believe this issue ties into the underlying problem FreeBSD 6.x upto and including 6.3R have with fork() in a threaded application - see the 6.3R errata notice referenced in issue3864. The issue should be fixed in FreeBSD 6.4 (currently

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Hirokazu Yamamoto [EMAIL PROTECTED] added the comment: Cygwin1.5 also hangs on test_3_join_in_forked_from_thread. Cygwin1.7 + following snapshot doesn't hang but http://cygwin.com/snapshots/cygwin1-20080929.dll.bz2 fails with following message.

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Gregory P. Smith [EMAIL PROTECTED] added the comment: r66703 in trunk (2.6) applies the test_threading_fbsd6.py.patch modified to also print a note to stderr when skipping the test and adds a mention of buggy OSes in the os.fork documentation. still needs merging over to 3.0 and possibly 2.5.

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Gregory P. Smith [EMAIL PROTECTED] added the comment: marking release blocker for 3.0, the patch just needs to be merged after it runs through any existing trunk freebsd buildbot(s). -- priority: normal - release blocker ___ Python tracker [EMAIL

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Andrew I MacIntyre [EMAIL PROTECTED] added the comment: I've briefly got a FreeBSD 7.0 amd64 setup available, and test_threading passes in this environment. Short term fix I'd suggest is to only disable this part of the test for FreeBSD 6.x and earlier (ie platforms freebsd4, freebsd5,

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Andrew I MacIntyre [EMAIL PROTECTED] added the comment: test_threading also passes on FreeBSD 7.0 i386. ___ Python tracker [EMAIL PROTECTED] http://bugs.python.org/issue3863 ___

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Andrew I MacIntyre [EMAIL PROTECTED] added the comment: I've attached a simple patch which deactivates test_3_join_in_forked_from_thread on FreeBSD 6.x and earlier, and also OS/2 EMX. With this patch, test_threading completes but... $ ./python -E -tt Lib/test/regrtest.py test_threading

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Changes by Gregory P. Smith [EMAIL PROTECTED]: -- nosy: +gregory.p.smith ___ Python tracker [EMAIL PROTECTED] http://bugs.python.org/issue3863 ___ ___ Python-bugs-list

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Gregory P. Smith [EMAIL PROTECTED] added the comment: attaching a stand alone script to exercise the bug. based on the prints, the error appears to happen during the t.start() call to launch the joiningfunc() thread from the child processes worker thread (its the main/only thread in the child

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Gregory P. Smith [EMAIL PROTECTED] added the comment: and as expected, also happens with py3k. -- versions: +Python 3.0 ___ Python tracker [EMAIL PROTECTED] http://bugs.python.org/issue3863 ___

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Gregory P. Smith [EMAIL PROTECTED] added the comment: instrumenting Python/thread_pthread.h and turning on thread debugging in Python/thread.c, FreeBSD raises the Fatal error within pthread_create(). I'm inclined to say that this is a FreeBSD 6.3 bug. The fbsd_thr_crash.py test case is a good

[issue3863] 2.6rc1: test_threading hangs on FreeBSD 6.3 i386

Andrew I MacIntyre [EMAIL PROTECTED] added the comment: I should add that this is a regression of the trunk, as I built and tested the trunk from an SVN checkout (r63892) in early June and didn't encounter this issue. ___ Python tracker [EMAIL PROTECTED]