Ubuntu
python-greenlet package

[SRU] armhf version is unusable -- task switches will cause sigsegv's

Bug #990162 reported by Al Stone
16
This bug affects 2 people
Affects Status Importance Assigned to Milestone
OpenStack Identity (keystone)
Invalid
Low
Unassigned
python-greenlet (Debian)
Fix Released
Unknown
python-greenlet (Ubuntu)
Fix Released
High
Unassigned
Precise
Fix Released
High
Chuck Short
Ubuntu ubuntu-12.04.1

Bug Description

Impact:

In some certain cases, python-greenlet segfaults on armhf cpus running 12.04. This affects glance from running properly on ARM.

[ Test Case ]

1. Install python-greenlet on a board running an armhf cpu.
2. Run the script in the attachment called "python code showing the error".
3. See the python script cause a segfault.

[ Regression Potental ]

None, this bug has been fixed upstream and has already been fixed in Quantal. There has been no side affects of this patch.

See original description
Revision history for this message
Al Stone (ahs3) wrote :
Revision history for this message
Al Stone (ahs3) wrote :

Possible patch; this patch allows 0.3.3 to build and pass all tests on armhf

Revision history for this message
Al Stone (ahs3) wrote :

Just as an FYI: this bug was found when trying to use OpenStack keystone on armhf

Bug Watch Updater (bug-watch-updater)
Changed in python-greenlet (Debian):
status: Unknown → Confirmed
Revision history for this message
Launchpad Janitor (janitor) wrote :

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in python-greenlet (Ubuntu):
status: New → Confirmed
Revision history for this message
Jason Hobbs (jason-hobbs) wrote :

I tested with only the changes to platform/switch_arm32_gcc.h; it fixed the problems on my end.

Joseph Heck (heckj)
Changed in keystone:
status: New → Triaged
Joseph Heck (heckj)
Changed in keystone:
importance: Undecided → Low
Robie Basak (racb)
Changed in python-greenlet (Ubuntu Precise):
milestone: none → ubuntu-12.04.1
Robie Basak (racb)
Changed in eilt:
importance: Undecided → High
status: New → Triaged
Revision history for this message
Robie Basak (racb) wrote :

Confirmed fixed in Quantal by Chuck in today's team meeting.

Changed in python-greenlet (Ubuntu):
status: Confirmed → Fix Released
Changed in python-greenlet (Ubuntu Precise):
status: New → Triaged
status: Triaged → In Progress
assignee: nobody → Al Stone (ahs3)
Revision history for this message
Robie Basak (racb) wrote :

Chuck will do this tomorrow.

Changed in python-greenlet (Ubuntu Precise):
assignee: Al Stone (ahs3) → Chuck Short (zulcss)
Chuck Short (zulcss)
summary: - armhf version is unusable -- task switches will cause sigsegv's
+ [SRU] armhf version is unusable -- task switches will cause sigsegv's
Revision history for this message
Chuck Short (zulcss) wrote :
description: updated
Revision history for this message
Adam Conrad (adconrad) wrote : Please test proposed package

Hello Al, or anyone else affected,

Accepted python-greenlet into precise-proposed. The package will build now and be available at http://launchpad.net/ubuntu/+source/python-greenlet/0.3.1-1ubuntu5.1 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please change the bug tag from verification-needed to verification-done. If it does not, change the tag to verification-failed. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

Changed in python-greenlet (Ubuntu Precise):
status: In Progress → Fix Committed
tags: added: verification-needed
James Page (james-page)
Changed in python-greenlet (Ubuntu Precise):
importance: Undecided → High
Changed in python-greenlet (Ubuntu):
importance: Undecided → High
Revision history for this message
Ante Karamatić (ivoks) wrote :

After installing the package from -proposed, nova services start and run without problems.

Ante Karamatić (ivoks)
tags: added: verification-done
removed: verification-needed
Revision history for this message
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package python-greenlet - 0.3.1-1ubuntu5.1

---------------
python-greenlet (0.3.1-1ubuntu5.1) precise-proposed; urgency=low

  * Fix segfault on armhf (LP: #990162):
    - Backported patch from 0.3.3 which fixes the segfault.
 -- Chuck Short <email address hidden> Wed, 18 Jul 2012 13:07:35 -0500

Changed in python-greenlet (Ubuntu Precise):
status: Fix Committed → Fix Released
Bug Watch Updater (bug-watch-updater)
Changed in python-greenlet (Debian):
status: Confirmed → Fix Released
Revision history for this message
Morgan Fainberg (mdrnstm) wrote :

I don't believe there is anything for Keystone to do and this is a *very* old bug. I'm marking it as invalid for Keystone.

Changed in keystone:
status: Triaged → Invalid
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