This bug was fixed in the package linux - 4.18.0-7.8
---------------
linux (4.18.0-7.8) cosmic; urgency=medium
* linux: 4.18.0-7.8 -proposed tracker (LP: #1789459)
* pmtu.sh fails on 4.18 kernel (LP: #1789436)
- SAUCE: Revert "vti6: fix PMTU caching and reporting on xmit"
-- Seth Forshee <[email protected]> Tue, 28 Aug 2018 11:08:51
-0500
** Changed in: linux (Ubuntu Cosmic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1787898
Title:
[18.10 FEAT] Add kernel config option "CONFIG_SCLP_OFB"
Status in Ubuntu on IBM z Systems:
Fix Committed
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Bionic:
Fix Committed
Status in linux source package in Cosmic:
Fix Released
Bug description:
SRU Justification
Impact: To boot an IBM Secure Service Container Appliance in an s390
LPAR. we need to be able to send the Open for Business (OFB) message
to signal that the appliance is up and running.
Fix: Set CONFIG_SCLP_OFB=y.
Regression Potential: The option enables only a few pieces of
architecture-specific code, so the potential impact is limited.
---
For successfully booting an IBM Secure Service Container Appliance in an s390
LPAR, we need to be able to send the OFB (Open for Business) message to the
Support Element to signal when the Appliance is fully up and running.
Basic support for OFB was added to the kernel with the following commit
https://github.com/projectacrn/acrn-kernel/commit/c6f70d3b8a32fdec60d3f78cb59423f056f16688
The kernel config option CONFIG_SCLP_OFB need to be set....
This update is mandatory for 18.04 , but need to be requested first
for 18.10
$ git grep SCLP_OFB
debian.master/config/annotations:CONFIG_SCLP_OFB
policy<{'s390x': 'n'}>
debian.master/config/config.common.ubuntu:# CONFIG_SCLP_OFB is not set
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