Bug 1490742

Summary: Hot-unplugging a vhost network device leaks references to VFIOPCIDevice's [rhel-7.4.z]
Product: Red Hat Enterprise Linux 7 Reporter: Oneata Mircea Teodor <toneata>
Component: qemu-kvm-rhevAssignee: Alex Williamson <alex.williamson>
Status: CLOSED ERRATA QA Contact: Yanan Fu <yfu>
Severity: high Docs Contact:
Priority: high    
Version: 7.3CC: alex.williamson, chayang, ddepaula, jen, jherrman, jinzhao, jjung, juzhang, knoel, michen, mrezanin, pezhang, rhodain, slopezpa, virt-maint, xiywang, yfu
Target Milestone: rcKeywords: ZStream
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard:
Fixed In Version: qemu-kvm-rhev-2.9.0-16.el7_4.7 Doc Type: Bug Fix
Doc Text:
Hot-unplugging Virtual Function I/O (VFIO) devices previously failed when performed after hot-unplugging a vhost network device. This update fixes the underlying code, and the VFIO device is unplugged correctly in the described circumstances.
Story Points: ---
Clone Of: 1489670
: 1498135 1498139 1498140 1498141 1498145 1498146 1498155 (view as bug list) Environment:
Last Closed: 2017-10-16 10:45:10 UTC Type: ---
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: 1489670    
Bug Blocks: 1498135, 1498139, 1498140, 1498141, 1498145, 1498146, 1498155    

Description Oneata Mircea Teodor 2017-09-12 07:34:46 UTC
This bug has been copied from bug #1489670 and has been proposed to be backported to 7.4 z-stream (EUS).

Comment 7 Yanan Fu 2017-09-29 11:20:05 UTC
Confirmed with slopezpa, refer comment 15 in bz 1489670, scenario 2 is wrong.

Move to VERIFIED accordingly.

Comment 9 errata-xmlrpc 2017-10-16 10:45:10 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-2017:2891