Flashes (Alerts)
Abstract
Occasional logical partition (LPAR) crashes are observed while performing live partition migration (LPM) for Linux partitions on IBM POWER9 systems when the LPAR is under heavy load.
Content
Linux Releases Affected
SUSE Linux Enterprise Server 12, Service Pack 3
SUSE Linux Enterprise Server 12, Service Pack 4
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server 15, Service Pack 1
Red Hat Enterprise Linux Server 7.6
Red Hat Enterprise Linux Server 7.6 for POWER9
Red Hat Enterprise Linux Server 7.7
Red Hat Enterprise Linux Server 7.8
Red Hat Enterprise Linux Server 8.0
Red Hat Enterprise Linux Server 8.1
IBM Systems Affected
All POWER9 systems
Symptoms
While performing a live partition migration of a running LPAR on a POWER9 system, the LPAR might crash.
Workaround
No workaround exists for this issue.
Fix Outlook
The issue of LPAR crash is fixed in the following releases:
SUSE Linux Enterprise Server 12, Service Pack 5, kernel version 4.12.14-122.17.1
SUSE Linux Enterprise Server 15 Service Pack 1, kernel version 4.12.14-197.34.1
IBM is working closely with Red Hat to release a fix for this issue. The fix should come as part of a future RHEL maintenance release. Open a support ticket with Red Hat if a hotfix is needed before the next Red Hat maintenance release.
SLES 12 SUSE Bugzilla 1115440, 1115575, 1115709, 1133584
SLES 15 SUSE Bugzilla 1115431
RHEL 7.6 Bugzilla 1650249, 1705431
RHEL 7.6-alt Bugzilla 1640500
RHEL 8.0 Bugzilla 1708102, 1668254, 1671474, 1705465
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Document Information
Modified date:
26 September 2022
UID
ibm10740469