Ubuntu18.04.01: [Power9] power8 Compat guest(RHEL7.6) crashes during guest boot with > 256G of memory (kernel/kvm)
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
The Ubuntu-power-systems project |
Fix Released
|
High
|
Canonical Kernel Team | ||
linux (Ubuntu) |
Fix Released
|
High
|
Canonical Kernel Team | ||
Bionic |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
== SRU Justification ==
Rebooting a PowerPC VM with > 256G of memory results in a guest crash.
== Fix ==
Backport commit 46dec40fb741 ("KVM: PPC: Book3S HV: Don't truncate HPTE index in xlate function").
== Regression Potential ==
Low. Fix is trivial.
== Test Case ==
Create a PowerPC VM with > 256G of memory and reboot it repeatedly.
== Original description ==
== Comment: #0 - Satheesh Rajendran <email address hidden> - 2019-02-28 04:38:22 ==
---Problem Description---
Power8 Compat guest(RHEL 7.6) crashes during guest boot with > 256G of memory (kernel/kvm)
Contact Information = <email address hidden>
---uname output---
Host Kernel: 4.15.0-1016-ibm-gt
ii qemu-system-ppc 1:2.11+
ii libvirt-bin 4.0.0-1ubuntu8.6 ppc64el programs for the libvirt library
Guest kernel: 3.10.0-
Machine Type = power9 ppc64le
---Steps to Reproduce---
1. Boot a power8 compat guest with memory >256G
virsh define avocado-
----Guest crashes while booting
2019-02-28 10:36:44.752+0000: starting up libvirt version: 4.0.0, package: 1ubuntu8.6 (Christian Ehrhardt <email address hidden> Fri, 09 Nov 2018 07:42:01 +0100), qemu version: 2.11.1(Debian 1:2.11+
LC_ALL=C PATH=/usr/
2019-02-28 10:36:44.759+0000: 19598: info : libvirt version: 4.0.0, package: 1ubuntu8.6 (Christian Ehrhardt <email address hidden> Fri, 09 Nov 2018 07:42:01 +0100)
2019-02-28 10:36:44.759+0000: 19598: info : hostname: cs-host-f37-ac922-3
2019-02-28 10:36:44.759+0000: 19598: info : virObjectUnref:350 : OBJECT_UNREF: obj=0x76d594111710
2019-02-
2019-02-
2019-02-
2019-02-28 10:37:18.060+0000: shutting down, reason=crashed
2019-02-
*Additional Instructions for <email address hidden>:
-Post a private note with access information to the machine that the bug is occuring on.
== Comment: #3 - Satheesh Rajendran <email address hidden> - 2019-02-28 04:51:45 ==
Possible Upstream fix: https:/
Changed in linux (Ubuntu): | |
assignee: | Ubuntu on IBM Power Systems Bug Triage (ubuntu-power-triage) → Canonical Kernel Team (canonical-kernel-team) |
importance: | Undecided → High |
tags: |
added: severity-critical removed: severity-high |
description: | updated |
description: | updated |
tags: |
added: targetmilestone-inin18043 removed: targetmilestone-inin--- |
Changed in linux (Ubuntu Bionic): | |
status: | New → Fix Committed |
tags: |
added: targetmilestone-inin18041 removed: targetmilestone-inin18043 |
Changed in ubuntu-power-systems: | |
status: | Fix Committed → Fix Released |
tags: | added: cscc |
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