VIRTUALIZATION
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QEMU HW mitigations support (ARCH_CAPABILITIES)
LP: #1828495 | PPA: #1828495 | MERGE: #1828495
ARCH_CAPABILITIES features were backported to Ubuntu Bionic and a PPA was provided for public testing. We got some feedback about having the features enabled by default (instead of a public doc asking end user to enable the mitigation features whenever wanted). This is in an on-going discussion right now.
The following QEMU bug:
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QEMU - count cache flush Spectre v2 mitigation (CVE)
LP: #1732622 | MR: #1732622
Worked by Christian, will be merged together - in Bionic - with the LP: #1828495 bug, since both are taking care of security mitigations.
I have also reviewed carefully the QEMU 4.0 merge proposed into Ubuntu Eoan by Christian This will be the new Ubuntu Eoan QEMU version and Christian has tested several different migration cases (from different Ubuntu versions).
UBUNTU HA
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CTDB NFS HA Enablement
LP: #722201 | DOC: #722201 | PPA: #722201 | MR: #722201
Patches were accepted into Eoan, I’m working in SRU’ing this to Bionic and Disco. For that, I have proposed the same changes into Debian project in the following bugs and merge requests:
BUG: #929931 | BUG: #931139 | MERGE REQ -
General (some of them really old) HA related BUGS
In the cruse to fix issues and focus in the Ubuntu HA supported packages [main], I have reviewed, closed or addressed (to be solved) the following bugs:
LP: #1654403 | LP: #1586876 | LP: #1557163 | LP: #1340172 | LP: #1239734 | LP: #1437368 | LP: #1437359 | LP: #768471 | LP: #453480 | LP: #1677776 | LP: #1015602 | LP: #939327 | LP: #1471056 | LP: #1251298 | LP: #1677843 | LP: #1052449 | LP: #1828223 | LP: #1825992 | LP: #1627083 | LP: #1745155 | LP: #1584629 | LP: #1412438 | LP #1172042 | LP: #1018671 | LP: #912588 | LP: #1811139 | LP: #1810844 | LP: #1809682 | LP: #1733889 | LP: #1828228
and subscribe myself to any opened bug to Ubuntu HA core packages: libqb - corosync - cluster-glue - pacemaker - resource-agents - dlm - drbd-utils - ocfs2-tools. This means that, from now on, any bug opened to those packages will get a quicker response/investigation until we have cleared Ubuntu HA packages entirely, making sure to cover specific and documented HA setups for each of those packages.