Bug 2043122

Summary:	KVM Fedora 35 guest x86 programs randomly crash in signal handler [rhel-av-8.5z]
Product:	Red Hat Enterprise Linux Advanced Virtualization	Reporter:	RHEL Program Management Team <pgm-rhel-tools>
Component:	qemu-kvm	Assignee:	Dr. David Alan Gilbert <dgilbert>
qemu-kvm sub component:	CPU Models	QA Contact:	liunana <nanliu>
Status:	CLOSED ERRATA	Docs Contact:
Severity:	high
Priority:	medium	CC:	ailan, cohuck, coli, dgilbert, jinzhao, juzhang, mlevitsk, nanliu, nilal, virt-maint, wei.huang2, ymankad
Version:	8.5	Keywords:	Triaged, ZStream
Target Milestone:	rc
Target Release:	8.5
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	qemu-kvm-6.0.0-33.module+el8.5.0+14188+8c5ecfdd.3	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:	2031795
Clones:	2052199 (view as bug list)		Environment:
Last Closed:	2022-03-16 14:08:05 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:	2031795, 2065230
Bug Blocks:	2052199

Comment 7 Yanan Fu 2022-02-15 06:17:07 UTC

QE bot(pre verify): Set 'Verified:Tested,SanityOnly' as gating/tier1 test pass.

Comment 8 liunana 2022-02-22 04:48:57 UTC

Test PASS on rhel-av-8.5z without crash.

Test Env:
    4.18.0-348.12.2.el8_5.x86_64
    qemu-kvm-6.0.0-33.module+el8.5.0+14188+8c5ecfdd.3.x86_64
    libvirt-6.0.0-37.1.module+el8.5.0+13858+39fdc467.x86_64

Guest: 4.18.0-348.el8.x86_64


CPU configuration xml:

  <cpu mode='custom' match='exact' check='full'>
    <model fallback='forbid'>EPYC-Milan</model>
    <vendor>AMD</vendor>
    <feature policy='require' name='x2apic'/>
    <feature policy='require' name='tsc-deadline'/>
    <feature policy='require' name='hypervisor'/>
    <feature policy='require' name='tsc_adjust'/>
    <feature policy='require' name='vaes'/>
    <feature policy='require' name='vpclmulqdq'/>
    <feature policy='require' name='spec-ctrl'/>
    <feature policy='require' name='stibp'/>
    <feature policy='require' name='arch-capabilities'/>
    <feature policy='require' name='ssbd'/>
    <feature policy='require' name='cmp_legacy'/>
    <feature policy='require' name='virt-ssbd'/>
    <feature policy='require' name='rdctl-no'/>
    <feature policy='require' name='skip-l1dfl-vmentry'/>
    <feature policy='require' name='mds-no'/>
    <feature policy='require' name='pschange-mc-no'/>
    <feature policy='disable' name='erms'/>
    <feature policy='disable' name='fsrm'/>
    <feature policy='require' name='xsaves'/>
    <feature policy='disable' name='svm'/>
    <feature policy='require' name='topoext'/>
    <feature policy='disable' name='npt'/>
    <feature policy='disable' name='nrip-save'/>
    <feature policy='disable' name='svme-addr-chk'/>
  </cpu>


Move this bug to verified now.

Comment 10 errata-xmlrpc 2022-03-16 14:08:05 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 (Moderate: virt:av and virt-devel:av security and bug fix update), 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/RHSA-2022:0949