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Bug 1452331

Summary:	RHEL 7.2 based VM (Virtual Machine) hung for several hours apparently waiting for lock held by main_loop
Product:	Red Hat Enterprise Linux 7	Reporter:	Tom Lavigne <tlavigne>
Component:	qemu-kvm	Assignee:	Fam Zheng <famz>
Status:	CLOSED ERRATA	QA Contact:	Sitong Liu <siliu>
Severity:	urgent	Docs Contact:
Priority:	high
Version:	7.2	CC:	bcholler, chayang, coli, ehabkost, famz, jcoscia, jherrman, juzhang, knoel, michen, mkalinin, mrezanin, pbonzini, rbalakri, rhodain, salmy, sjohnsto, slopezpa, tlavigne, virt-bugs, virt-maint, xfu
Target Milestone:	rc	Keywords:	ZStream
Target Release:	---
Hardware:	Unspecified
OS:	Linux
Whiteboard:
Fixed In Version:	qemu-kvm-1.5.3-105.el7_2.14	Doc Type:	Bug Fix
Doc Text:	Previously, guest virtual machines in some cases became unresponsive when the "pty" back end of a serial device performed an irregular I/O communication. This update improves the handling of serial I/O on guests, which prevents the described problem from occurring.	Story Points:	---
Clone Of:	1451470	Environment:
Last Closed:	2017-07-18 11:53:51 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:	1451470
Bug Blocks:

Description Tom Lavigne 2017-05-18 17:41:40 UTC

This bug has been copied from bug #1451470 and has been proposed
to be backported to 7.2 z-stream (EUS).

Comment 4 Miroslav Rezanina 2017-05-22 06:20:06 UTC

Fix included in qemu-kvm-1.5.3-105.el7_2.12

Comment 7 Miroslav Rezanina 2017-05-24 05:24:43 UTC

Fix included in qemu-kvm-1.5.3-105.el7_2.13

Comment 13 Miroslav Rezanina 2017-06-07 17:20:05 UTC

Fix included in qemu-kvm-1.5.3-105.el7_2.14

Comment 19 errata-xmlrpc 2017-07-18 11:53:51 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-2017:1761