[Touch-packages] [Bug 1367907] Re: Segfault in gc with cyclic trash
"I've now done that, so I think at this point it's waiting for SRU team to unblock proposed migration." This bug is really serious and it's not possible to work around it. I don't understand why Canonical doesn't care of this major Python crash!? -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to python3.4 in Ubuntu. https://bugs.launchpad.net/bugs/1367907 Title: Segfault in gc with cyclic trash Status in oslo.messaging: Invalid Status in Python: Fix Released Status in python3.4 package in Ubuntu: Fix Released Status in python3.4 source package in Trusty: In Progress Bug description: Trusty's python3.4 package is affected by python bug http://bugs.python.org/issue21435. This bug was fixed in http://hg.python.org/cpython/rev/64ba3f2de99c. Trusty should pull this fix into the python3.4 package. Note this definitely affects some python projects. `git clone https://git.openstack.org/openstack/oslo.messaging && cd oslo.messaging && edit tox.ini file, copy py33 target and rename to py34 && tox -repy34` will segfault due to this bug. With previous versions of python unaffected by this bug there is no segfaulting. Now for details, broken using: $ lsb_release -rd Description: Ubuntu 14.04.1 LTS Release: 14.04 $ apt-cache policy python3.4 python3.4: Installed: 3.4.0-2ubuntu1 Candidate: 3.4.0-2ubuntu1 Version table: *** 3.4.0-2ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status If I install the following python3.4 packages for Unicorn on Trusty this bug is corrected. The Unicorn packages here on lp for python3.4 are python3.4.1 which includes the bug fix for this bug. libpython3.4_3.4.1-10ubuntu1_amd64.deb libpython3.4-dev_3.4.1-10ubuntu1_amd64.deb libpython3.4-stdlib_3.4.1-10ubuntu1_amd64.deb python3.4-dbg_3.4.1-10ubuntu1_amd64.deb python3.4-minimal_3.4.1-10ubuntu1_amd64.deb libpython3.4-dbg_3.4.1-10ubuntu1_amd64.deb libpython3.4-minimal_3.4.1-10ubuntu1_amd64.deb python3.4_3.4.1-10ubuntu1_amd64.deb python3.4-dev_3.4.1-10ubuntu1_amd64.deb Note I installed the -dbg packages too just in case I needed to use gdb but that wasn't necessary as the test case works with these newer versions of python. $ apt-cache policy python3.4 python3.4: Installed: 3.4.1-10ubuntu1 Candidate: 3.4.1-10ubuntu1 Version table: *** 3.4.1-10ubuntu1 0 100 /var/lib/dpkg/status 3.4.0-2ubuntu1 0 500 http://az2.clouds.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages [Impact] This python bug can cause python processes that tickle it to segfault python. This means there could be a significant number of python packages that are broken when run under this interpreter. The fix for this bug should be backported to avoid seemingly random and hard to debug segfaults from happening when users use python. Unicorn's 3.4.1 packages fix this bug by including the patch at http://hg.python.org/cpython/rev/64ba3f2de99c. [Test Case] There is a test case detailed in the upstream bug http://bugs.python.org/issue21435, though I have been doing the following instead: git clone https://git.openstack.org/openstack/oslo.messaging cd oslo.messaging git fetch https://review.openstack.org/openstack/oslo.messaging refs/changes/90/118790/2 && git checkout FETCH_HEAD tox -repy34 # This should end with segfaulting test runners. Note if you don't have tox installed you will need to install version 1.7.2 or greater. `sudo pip install tox==1.7.2` will do this. [Regression Potential] The patch in question is small. If we go straight to python 3.4.1 the diff will be larger but that isn't necessary to fix this particular issue. The biggest regression potential would be that the garbage collector is newly broken by the this bug fix. Considering that the garbage collector is already broken and this patch comes with test cases to check it is less broken the risk of regression here is less than the pain of dealing with this bug. To manage notifications about this bug go to: https://bugs.launchpad.net/oslo.messaging/+bug/1367907/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1367907] Re: Segfault in gc with cyclic trash
ping? -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to python3.4 in Ubuntu. https://bugs.launchpad.net/bugs/1367907 Title: Segfault in gc with cyclic trash Status in oslo.messaging: Invalid Status in Python: Fix Released Status in python3.4 package in Ubuntu: Fix Released Status in python3.4 source package in Trusty: In Progress Bug description: Trusty's python3.4 package is affected by python bug http://bugs.python.org/issue21435. This bug was fixed in http://hg.python.org/cpython/rev/64ba3f2de99c. Trusty should pull this fix into the python3.4 package. Note this definitely affects some python projects. `git clone https://git.openstack.org/openstack/oslo.messaging && cd oslo.messaging && edit tox.ini file, copy py33 target and rename to py34 && tox -repy34` will segfault due to this bug. With previous versions of python unaffected by this bug there is no segfaulting. Now for details, broken using: $ lsb_release -rd Description: Ubuntu 14.04.1 LTS Release: 14.04 $ apt-cache policy python3.4 python3.4: Installed: 3.4.0-2ubuntu1 Candidate: 3.4.0-2ubuntu1 Version table: *** 3.4.0-2ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status If I install the following python3.4 packages for Unicorn on Trusty this bug is corrected. The Unicorn packages here on lp for python3.4 are python3.4.1 which includes the bug fix for this bug. libpython3.4_3.4.1-10ubuntu1_amd64.deb libpython3.4-dev_3.4.1-10ubuntu1_amd64.deb libpython3.4-stdlib_3.4.1-10ubuntu1_amd64.deb python3.4-dbg_3.4.1-10ubuntu1_amd64.deb python3.4-minimal_3.4.1-10ubuntu1_amd64.deb libpython3.4-dbg_3.4.1-10ubuntu1_amd64.deb libpython3.4-minimal_3.4.1-10ubuntu1_amd64.deb python3.4_3.4.1-10ubuntu1_amd64.deb python3.4-dev_3.4.1-10ubuntu1_amd64.deb Note I installed the -dbg packages too just in case I needed to use gdb but that wasn't necessary as the test case works with these newer versions of python. $ apt-cache policy python3.4 python3.4: Installed: 3.4.1-10ubuntu1 Candidate: 3.4.1-10ubuntu1 Version table: *** 3.4.1-10ubuntu1 0 100 /var/lib/dpkg/status 3.4.0-2ubuntu1 0 500 http://az2.clouds.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages [Impact] This python bug can cause python processes that tickle it to segfault python. This means there could be a significant number of python packages that are broken when run under this interpreter. The fix for this bug should be backported to avoid seemingly random and hard to debug segfaults from happening when users use python. Unicorn's 3.4.1 packages fix this bug by including the patch at http://hg.python.org/cpython/rev/64ba3f2de99c. [Test Case] There is a test case detailed in the upstream bug http://bugs.python.org/issue21435, though I have been doing the following instead: git clone https://git.openstack.org/openstack/oslo.messaging cd oslo.messaging git fetch https://review.openstack.org/openstack/oslo.messaging refs/changes/90/118790/2 && git checkout FETCH_HEAD tox -repy34 # This should end with segfaulting test runners. Note if you don't have tox installed you will need to install version 1.7.2 or greater. `sudo pip install tox==1.7.2` will do this. [Regression Potential] The patch in question is small. If we go straight to python 3.4.1 the diff will be larger but that isn't necessary to fix this particular issue. The biggest regression potential would be that the garbage collector is newly broken by the this bug fix. Considering that the garbage collector is already broken and this patch comes with test cases to check it is less broken the risk of regression here is less than the pain of dealing with this bug. To manage notifications about this bug go to: https://bugs.launchpad.net/oslo.messaging/+bug/1367907/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1367907] Re: Segfault in gc with cyclic trash
ping? -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to python3.4 in Ubuntu. https://bugs.launchpad.net/bugs/1367907 Title: Segfault in gc with cyclic trash Status in oslo.messaging: Invalid Status in Python: Fix Released Status in python3.4 package in Ubuntu: Fix Released Status in python3.4 source package in Trusty: In Progress Bug description: Trusty's python3.4 package is affected by python bug http://bugs.python.org/issue21435. This bug was fixed in http://hg.python.org/cpython/rev/64ba3f2de99c. Trusty should pull this fix into the python3.4 package. Note this definitely affects some python projects. `git clone https://git.openstack.org/openstack/oslo.messaging && cd oslo.messaging && edit tox.ini file, copy py33 target and rename to py34 && tox -repy34` will segfault due to this bug. With previous versions of python unaffected by this bug there is no segfaulting. Now for details, broken using: $ lsb_release -rd Description: Ubuntu 14.04.1 LTS Release: 14.04 $ apt-cache policy python3.4 python3.4: Installed: 3.4.0-2ubuntu1 Candidate: 3.4.0-2ubuntu1 Version table: *** 3.4.0-2ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status If I install the following python3.4 packages for Unicorn on Trusty this bug is corrected. The Unicorn packages here on lp for python3.4 are python3.4.1 which includes the bug fix for this bug. libpython3.4_3.4.1-10ubuntu1_amd64.deb libpython3.4-dev_3.4.1-10ubuntu1_amd64.deb libpython3.4-stdlib_3.4.1-10ubuntu1_amd64.deb python3.4-dbg_3.4.1-10ubuntu1_amd64.deb python3.4-minimal_3.4.1-10ubuntu1_amd64.deb libpython3.4-dbg_3.4.1-10ubuntu1_amd64.deb libpython3.4-minimal_3.4.1-10ubuntu1_amd64.deb python3.4_3.4.1-10ubuntu1_amd64.deb python3.4-dev_3.4.1-10ubuntu1_amd64.deb Note I installed the -dbg packages too just in case I needed to use gdb but that wasn't necessary as the test case works with these newer versions of python. $ apt-cache policy python3.4 python3.4: Installed: 3.4.1-10ubuntu1 Candidate: 3.4.1-10ubuntu1 Version table: *** 3.4.1-10ubuntu1 0 100 /var/lib/dpkg/status 3.4.0-2ubuntu1 0 500 http://az2.clouds.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages [Impact] This python bug can cause python processes that tickle it to segfault python. This means there could be a significant number of python packages that are broken when run under this interpreter. The fix for this bug should be backported to avoid seemingly random and hard to debug segfaults from happening when users use python. Unicorn's 3.4.1 packages fix this bug by including the patch at http://hg.python.org/cpython/rev/64ba3f2de99c. [Test Case] There is a test case detailed in the upstream bug http://bugs.python.org/issue21435, though I have been doing the following instead: git clone https://git.openstack.org/openstack/oslo.messaging cd oslo.messaging git fetch https://review.openstack.org/openstack/oslo.messaging refs/changes/90/118790/2 && git checkout FETCH_HEAD tox -repy34 # This should end with segfaulting test runners. Note if you don't have tox installed you will need to install version 1.7.2 or greater. `sudo pip install tox==1.7.2` will do this. [Regression Potential] The patch in question is small. If we go straight to python 3.4.1 the diff will be larger but that isn't necessary to fix this particular issue. The biggest regression potential would be that the garbage collector is newly broken by the this bug fix. Considering that the garbage collector is already broken and this patch comes with test cases to check it is less broken the risk of regression here is less than the pain of dealing with this bug. To manage notifications about this bug go to: https://bugs.launchpad.net/oslo.messaging/+bug/1367907/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1367907] Re: Segfault in gc with cyclic trash
The version with the fix in trusty-proposed since 2 months, it was validated by 2 developers 1 month 1/2 ago, but then nothing happened. What's going on with this issue? The fix was pushed into CPython 3.4 on May 2014. Come on Ubuntu, please do something for Python 3.4! This bug is a major bug. I don't understand why it is not fixed. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to python3.4 in Ubuntu. https://bugs.launchpad.net/bugs/1367907 Title: Segfault in gc with cyclic trash Status in oslo.messaging: Invalid Status in Python: Fix Released Status in python3.4 package in Ubuntu: Fix Released Status in python3.4 source package in Trusty: Fix Committed Bug description: Trusty's python3.4 package is affected by python bug http://bugs.python.org/issue21435. This bug was fixed in http://hg.python.org/cpython/rev/64ba3f2de99c. Trusty should pull this fix into the python3.4 package. Note this definitely affects some python projects. `git clone https://git.openstack.org/openstack/oslo.messaging && cd oslo.messaging && edit tox.ini file, copy py33 target and rename to py34 && tox -repy34` will segfault due to this bug. With previous versions of python unaffected by this bug there is no segfaulting. Now for details, broken using: $ lsb_release -rd Description: Ubuntu 14.04.1 LTS Release: 14.04 $ apt-cache policy python3.4 python3.4: Installed: 3.4.0-2ubuntu1 Candidate: 3.4.0-2ubuntu1 Version table: *** 3.4.0-2ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status If I install the following python3.4 packages for Unicorn on Trusty this bug is corrected. The Unicorn packages here on lp for python3.4 are python3.4.1 which includes the bug fix for this bug. libpython3.4_3.4.1-10ubuntu1_amd64.deb libpython3.4-dev_3.4.1-10ubuntu1_amd64.deb libpython3.4-stdlib_3.4.1-10ubuntu1_amd64.deb python3.4-dbg_3.4.1-10ubuntu1_amd64.deb python3.4-minimal_3.4.1-10ubuntu1_amd64.deb libpython3.4-dbg_3.4.1-10ubuntu1_amd64.deb libpython3.4-minimal_3.4.1-10ubuntu1_amd64.deb python3.4_3.4.1-10ubuntu1_amd64.deb python3.4-dev_3.4.1-10ubuntu1_amd64.deb Note I installed the -dbg packages too just in case I needed to use gdb but that wasn't necessary as the test case works with these newer versions of python. $ apt-cache policy python3.4 python3.4: Installed: 3.4.1-10ubuntu1 Candidate: 3.4.1-10ubuntu1 Version table: *** 3.4.1-10ubuntu1 0 100 /var/lib/dpkg/status 3.4.0-2ubuntu1 0 500 http://az2.clouds.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages [Impact] This python bug can cause python processes that tickle it to segfault python. This means there could be a significant number of python packages that are broken when run under this interpreter. The fix for this bug should be backported to avoid seemingly random and hard to debug segfaults from happening when users use python. Unicorn's 3.4.1 packages fix this bug by including the patch at http://hg.python.org/cpython/rev/64ba3f2de99c. [Test Case] There is a test case detailed in the upstream bug http://bugs.python.org/issue21435, though I have been doing the following instead: git clone https://git.openstack.org/openstack/oslo.messaging cd oslo.messaging git fetch https://review.openstack.org/openstack/oslo.messaging refs/changes/90/118790/2 && git checkout FETCH_HEAD tox -repy34 # This should end with segfaulting test runners. Note if you don't have tox installed you will need to install version 1.7.2 or greater. `sudo pip install tox==1.7.2` will do this. [Regression Potential] The patch in question is small. If we go straight to python 3.4.1 the diff will be larger but that isn't necessary to fix this particular issue. The biggest regression potential would be that the garbage collector is newly broken by the this bug fix. Considering that the garbage collector is already broken and this patch comes with test cases to check it is less broken the risk of regression here is less than the pain of dealing with this bug. To manage notifications about this bug go to: https://bugs.launchpad.net/oslo.messaging/+bug/1367907/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1367907] Re: Segfault in gc with cyclic trash
I tested on a fresh Ubuntu Trusty (python3.4 package version 3.4.0-2ubuntu1.1): "python3 segfaulter.py" does crash, where segfaulter.py comes from http://bugs.python.org/issue21435#msg217918 I upgraded python3.4 package to 3.4.3-1ubuntu1~14.04.1 using "deb http://archive.ubuntu.com/ubuntu/ trusty-proposed restricted main multiverse universe" source: "python3 segfaulter.py" doesn't crash anymore! Please push python 3.4.3 to the main Trusty repository. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to python3.4 in Ubuntu. https://bugs.launchpad.net/bugs/1367907 Title: Segfault in gc with cyclic trash Status in oslo.messaging: Invalid Status in Python: Fix Released Status in python3.4 package in Ubuntu: Fix Released Status in python3.4 source package in Trusty: Fix Committed Bug description: Trusty's python3.4 package is affected by python bug http://bugs.python.org/issue21435. This bug was fixed in http://hg.python.org/cpython/rev/64ba3f2de99c. Trusty should pull this fix into the python3.4 package. Note this definitely affects some python projects. `git clone https://git.openstack.org/openstack/oslo.messaging && cd oslo.messaging && edit tox.ini file, copy py33 target and rename to py34 && tox -repy34` will segfault due to this bug. With previous versions of python unaffected by this bug there is no segfaulting. Now for details, broken using: $ lsb_release -rd Description: Ubuntu 14.04.1 LTS Release: 14.04 $ apt-cache policy python3.4 python3.4: Installed: 3.4.0-2ubuntu1 Candidate: 3.4.0-2ubuntu1 Version table: *** 3.4.0-2ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status If I install the following python3.4 packages for Unicorn on Trusty this bug is corrected. The Unicorn packages here on lp for python3.4 are python3.4.1 which includes the bug fix for this bug. libpython3.4_3.4.1-10ubuntu1_amd64.deb libpython3.4-dev_3.4.1-10ubuntu1_amd64.deb libpython3.4-stdlib_3.4.1-10ubuntu1_amd64.deb python3.4-dbg_3.4.1-10ubuntu1_amd64.deb python3.4-minimal_3.4.1-10ubuntu1_amd64.deb libpython3.4-dbg_3.4.1-10ubuntu1_amd64.deb libpython3.4-minimal_3.4.1-10ubuntu1_amd64.deb python3.4_3.4.1-10ubuntu1_amd64.deb python3.4-dev_3.4.1-10ubuntu1_amd64.deb Note I installed the -dbg packages too just in case I needed to use gdb but that wasn't necessary as the test case works with these newer versions of python. $ apt-cache policy python3.4 python3.4: Installed: 3.4.1-10ubuntu1 Candidate: 3.4.1-10ubuntu1 Version table: *** 3.4.1-10ubuntu1 0 100 /var/lib/dpkg/status 3.4.0-2ubuntu1 0 500 http://az2.clouds.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages [Impact] This python bug can cause python processes that tickle it to segfault python. This means there could be a significant number of python packages that are broken when run under this interpreter. The fix for this bug should be backported to avoid seemingly random and hard to debug segfaults from happening when users use python. Unicorn's 3.4.1 packages fix this bug by including the patch at http://hg.python.org/cpython/rev/64ba3f2de99c. [Test Case] There is a test case detailed in the upstream bug http://bugs.python.org/issue21435, though I have been doing the following instead: git clone https://git.openstack.org/openstack/oslo.messaging cd oslo.messaging git fetch https://review.openstack.org/openstack/oslo.messaging refs/changes/90/118790/2 && git checkout FETCH_HEAD tox -repy34 # This should end with segfaulting test runners. Note if you don't have tox installed you will need to install version 1.7.2 or greater. `sudo pip install tox==1.7.2` will do this. [Regression Potential] The patch in question is small. If we go straight to python 3.4.1 the diff will be larger but that isn't necessary to fix this particular issue. The biggest regression potential would be that the garbage collector is newly broken by the this bug fix. Considering that the garbage collector is already broken and this patch comes with test cases to check it is less broken the risk of regression here is less than the pain of dealing with this bug. To manage notifications about this bug go to: https://bugs.launchpad.net/oslo.messaging/+bug/1367907/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
[Touch-packages] [Bug 1367907] Re: Segfault in gc with cyclic trash
This issue is still biting us on the OpenStack CI. The py34 test job of the Oslo Messaging project is crashing randomly, even after disabling the test using trollius (the bug was initially found on an asyncio example, and trollius code is very close to asyncio). Please fix it, Trusty is a LTS version! Python 3.4 matters for us! The bug was fixed in Python in May 2014 and was reported here in September 2014. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to python3.4 in Ubuntu. https://bugs.launchpad.net/bugs/1367907 Title: Segfault in gc with cyclic trash Status in oslo.messaging: Invalid Status in Python: Fix Released Status in python3.4 package in Ubuntu: Fix Released Status in python3.4 source package in Trusty: Triaged Bug description: Trusty's python3.4 package is affected by python bug http://bugs.python.org/issue21435. This bug was fixed in http://hg.python.org/cpython/rev/64ba3f2de99c. Trusty should pull this fix into the python3.4 package. Note this definitely affects some python projects. `git clone https://git.openstack.org/openstack/oslo.messaging && cd oslo.messaging && edit tox.ini file, copy py33 target and rename to py34 && tox -repy34` will segfault due to this bug. With previous versions of python unaffected by this bug there is no segfaulting. Now for details, broken using: $ lsb_release -rd Description: Ubuntu 14.04.1 LTS Release: 14.04 $ apt-cache policy python3.4 python3.4: Installed: 3.4.0-2ubuntu1 Candidate: 3.4.0-2ubuntu1 Version table: *** 3.4.0-2ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages 100 /var/lib/dpkg/status If I install the following python3.4 packages for Unicorn on Trusty this bug is corrected. The Unicorn packages here on lp for python3.4 are python3.4.1 which includes the bug fix for this bug. libpython3.4_3.4.1-10ubuntu1_amd64.deb libpython3.4-dev_3.4.1-10ubuntu1_amd64.deb libpython3.4-stdlib_3.4.1-10ubuntu1_amd64.deb python3.4-dbg_3.4.1-10ubuntu1_amd64.deb python3.4-minimal_3.4.1-10ubuntu1_amd64.deb libpython3.4-dbg_3.4.1-10ubuntu1_amd64.deb libpython3.4-minimal_3.4.1-10ubuntu1_amd64.deb python3.4_3.4.1-10ubuntu1_amd64.deb python3.4-dev_3.4.1-10ubuntu1_amd64.deb Note I installed the -dbg packages too just in case I needed to use gdb but that wasn't necessary as the test case works with these newer versions of python. $ apt-cache policy python3.4 python3.4: Installed: 3.4.1-10ubuntu1 Candidate: 3.4.1-10ubuntu1 Version table: *** 3.4.1-10ubuntu1 0 100 /var/lib/dpkg/status 3.4.0-2ubuntu1 0 500 http://az2.clouds.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages [Impact] This python bug can cause python processes that tickle it to segfault python. This means there could be a significant number of python packages that are broken when run under this interpreter. The fix for this bug should be backported to avoid seemingly random and hard to debug segfaults from happening when users use python. Unicorn's 3.4.1 packages fix this bug by including the patch at http://hg.python.org/cpython/rev/64ba3f2de99c. [Test Case] There is a test case detailed in the upstream bug http://bugs.python.org/issue21435, though I have been doing the following instead: git clone https://git.openstack.org/openstack/oslo.messaging cd oslo.messaging git fetch https://review.openstack.org/openstack/oslo.messaging refs/changes/90/118790/2 && git checkout FETCH_HEAD tox -repy34 # This should end with segfaulting test runners. Note if you don't have tox installed you will need to install version 1.7.2 or greater. `sudo pip install tox==1.7.2` will do this. [Regression Potential] The patch in question is small. If we go straight to python 3.4.1 the diff will be larger but that isn't necessary to fix this particular issue. The biggest regression potential would be that the garbage collector is newly broken by the this bug fix. Considering that the garbage collector is already broken and this patch comes with test cases to check it is less broken the risk of regression here is less than the pain of dealing with this bug. To manage notifications about this bug go to: https://bugs.launchpad.net/oslo.messaging/+bug/1367907/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
