nova-compute segfaults in librbd1

Bug #1694096 reported by Collin M.
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Mirantis OpenStack
Won't Fix
High
Collin M.

Bug Description

MOS 8.0 and its maintenance updates are using an older version of librbd1 and python-rbd

These older packages cause nova-compute to segfault in certain situations. This issue has been observed in the RedHat ecosystem, but we have a customer reporting what appears to be the same issue in MOS 8.0

https://bugzilla.redhat.com/show_bug.cgi?id=1377985
https://bugzilla.redhat.com/show_bug.cgi?id=1358697

The MOS versions of these packages:
librbd1 0.94.5-0u~u14.04+mos3
python-rbd 0.94.5-0u~u14.04+mos3

This issue was addressed in version:
librbd1-0.94.5-15

Changed in mos:
importance: Undecided → High
assignee: nobody → MOS Maintenance (mos-maintenance)
milestone: none → 8.0-mu-5
status: New → Confirmed
Max Yatsenko (myatsenko)
Changed in mos:
assignee: MOS Maintenance (mos-maintenance) → Max Yatsenko (myatsenko)
Changed in mos:
milestone: 8.0-mu-5 → 8.0-updates
status: Confirmed → Won't Fix
assignee: Max Yatsenko (myatsenko) → Collin M. (ziggit)
Revision history for this message
Denis Meltsaykin (dmeltsaykin) wrote :

The MOS Ceph team is strongly against patching Ceph in MOS 8.0 with these patches, which presumably fix the issue:

https://github.com/ceph/ceph/pull/5889/files
https://github.com/ceph/ceph/pull/6587/files

Because there is no testing framework for this.
They insist on updating Ceph as a whole, the original message from ~asheplyakov:
--quote--
tl;dr version: please use packages from
deb http://mirror.fuel-infra.org/decapod/ceph/hammer-trusty hammer-trusty main
*and* upgrade playbooks from https://github.com/asheplyakov/mos9-ceph-upgrade/
*BIG RED WARNING*: a plain "apt-get update && apt-get upgrade" might easily break the cluster, please use the upgrade playbooks, and do check things with a test cluster first
--quote--

I'm closing this as Won't Fix for the mentioned reason. Please contact MOS Ceph guys for details on how to upgrade Ceph.

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