Bug 1479732 - Horizon won't load with OSP11 - Script timed out before returning headers: django.wsgi
Summary: Horizon won't load with OSP11 - Script timed out before returning headers: dj...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: puppet-horizon
Version: 10.0 (Newton)
Hardware: x86_64
OS: Linux
medium
medium
Target Milestone: z4
: 10.0 (Newton)
Assignee: Radomir Dopieralski
QA Contact: Ido Ovadia
URL:
Whiteboard:
Depends On: 1478042 1478870 1479051 1479055 1479056 1479057 1479058 1496173
Blocks: 1481774 1485889 1485890 1485894
TreeView+ depends on / blocked
 
Reported: 2017-08-09 09:54 UTC by Radomir Dopieralski
Modified: 2020-12-14 09:25 UTC (History)
21 users (show)

Fixed In Version: puppet-horizon-9.5.0-2.el7ost
Doc Type: Bug Fix
Doc Text:
Cause: Some binary python modules used by Horizon were compiled with a flag that makes them use the simplified GIL state API. Consequence: Since mod_wsgi uses sub-interpreters, and the simplified GIL state API is not re-entrant, this results in the mod_wsgi locking up and hanging, making the dashboard unavailable. Fix: Added "WSGIApplicationGroup %{GLOBAL}" to mod_wsgi configuration, which forces it to always use the main interpreter instead of sub-interpreters. Result: With that option, mod_wsgi works correctly no matter what options were used to compile the binary python modules. The slight performance penalty is not noticeable.
Clone Of: 1478870
: 1481774 (view as bug list)
Environment:
Last Closed: 2017-09-06 17:11:37 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Launchpad 1573488 0 None None None 2017-08-09 09:54:44 UTC
Launchpad 1708655 0 None None None 2017-08-09 09:54:44 UTC
OpenStack gerrit 491459 0 'None' 'ABANDONED' 'Set WSGIProcessGroup=%{GLOBAL}' 2019-11-27 13:37:53 UTC
Red Hat Product Errata RHBA-2017:2654 0 normal SHIPPED_LIVE Red Hat OpenStack Platform 10 director Bug Fix Advisory 2017-09-06 20:55:36 UTC

Comment 5 Ido Ovadia 2017-09-05 13:39:55 UTC 
Verified
========
puppet-horizon-9.5.0-2.el7ost.noarch
Comment 7 errata-xmlrpc 2017-09-06 17:11:37 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2017:2654
Note You need to log in before you can comment on or make changes to this bug.