Bug 947883

Summary: The VM Channels Listener thread appears to stall , blocking all communication between VDSM and the hosted guest agents.
Product: Red Hat Enterprise Virtualization Manager Reporter: Idith Tal-Kohen <italkohe>
Component: vdsmAssignee: Vinzenz Feenstra [evilissimo] <vfeenstr>
Status: CLOSED ERRATA QA Contact: Jiri Belka <jbelka>
Severity: high Docs Contact:
Priority: high    
Version: 3.1.3CC: bazulay, byount, chchen, chetan, cpelland, cshao, gouyang, hadong, hateya, huiwa, iheim, jdillama, jraju, leiwang, lpeer, lyarwood, mburns, michal.skrivanek, mkalinin, ofrenkel, pep, pstehlik, pzhukov, rhodain, sgrinber, ycui, ykaul
Target Milestone: ---Keywords: Reopened, ZStream
Target Release: 3.1.4   
Hardware: All   
OS: Linux   
Whiteboard: virt
Fixed In Version: vdsm-4.10.2-1.10.el6ev.x86_64 Doc Type: Bug Fix
Doc Text:
Previously, exceptions thrown by the _epoll.poll(1) thread were not caught, which stopped communication between VDSM and hosted guest agents. Exceptions thrown by the thread are now caught and logged, so VDSM can restart the thread and communicate with guest agents.
Story Points: ---
Clone Of: 918541 Environment:
Last Closed: 2013-07-01 07:11:27 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 918541    
Bug Blocks:    
Attachments:
Description Flags
engine.log
none
vdsm.log Host1
none
vdsm.log Host2 none

Comment 5 Jiri Belka 2013-04-22 12:27:20 UTC
ok vdsm-4.10.2-1.10.el6ev.x86_64, no errors about _do_del_channels lines found.

Comment 7 errata-xmlrpc 2013-05-01 18:24:47 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.

http://rhn.redhat.com/errata/RHBA-2013-0774.html

Comment 11 Jaison Raju 2013-06-28 13:08:43 UTC
Created attachment 766570 [details]
engine.log

Comment 12 Jaison Raju 2013-06-28 13:09:44 UTC
Created attachment 766571 [details]
vdsm.log Host1

Comment 13 Jaison Raju 2013-06-28 13:12:19 UTC
Created attachment 766572 [details]
vdsm.log Host2

Comment 14 Vinzenz Feenstra [evilissimo] 2013-07-01 07:11:27 UTC
This issue has been fixed in https://bugzilla.redhat.com/show_bug.cgi?id=970217