I just came across this bug while trying to deal with broken live
migrates in our hypervisor setup.
We are experiencing the regression that Markus describes when trying to
upgrade libvirt from 6.0.0-0ubuntu8.3 to 6.0.0-0ubuntu8.5 in Ubuntu
Focal.
Live migrates won't work anymore wen using the
Here a similar portion from the ovs log and gdb trace running openvswitch
2.11.0-0ubuntu2:
Thu Oct 31 18:20:23
2019-2019-10-31T17:20:23.521Z|1|ovs_rcu(urcu4)|WARN|blocked 1000 ms waiting
for revalidator124 to quiesce
Thu Oct 31 18:20:24
** Attachment added: "GDB trace ovs 2.9.2 during when it hangs"
https://bugs.launchpad.net/ubuntu/+source/openvswitch/+bug/1839592/+attachment/5308470/+files/gdbwrap.1566706577.log.gz
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I just came across this bug report and would like to share my
expierence.
I've been having similar issues on 6 servers since we upgraded from 16.04 to
18.04 about 2 years ago with openvswitch.
Our biggest problem is our inabilty to reproduce it. We just see Openvswitch
hanging from time to
I can confirm there are no issues when booting with the package from the
ubuntu-security-proposed PPA.
amd64-microcode:
Installed: 3.20191021.1+really3.20181128.1~ubuntu0.18.04.1
Candidate: 3.20191021.1+really3.20181128.1~ubuntu0.18.04.1
Version table:
***
I had the same problem on three servers running with an AMD EPYC 7402P
24-Core Processor.
After removing the amd64-microcode 3.20191021.1ubuntu0.18.04.2 package
the servers did not end up in a reboot loop anymore and were able to
boot.
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My apologies, I was not aware of this. After your message I have started
testing the proposed kernel and can verify it is working as expected.
** Tags removed: verification-needed-artful
** Tags added: verification-done-artful
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I am running your build on two servers for about an hour now. Timing is
stable on the both of them.
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https://bugs.launchpad.net/bugs/1744988
Title:
time drifting on linux-hwe kernels
I have created patchfile, tsc.patch, which applies the upstream
patchwork done by Len Brown to the 4.13.0-31-generic Kernel. This
resolves the time issues we are having.
** Patch added: "tsc.patch"
Although probably obvious, the mainline kernels that I tested have all
been downloaden from http://kernel.ubuntu.com/~kernel-ppa/mainline/
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https://bugs.launchpad.net/bugs/1744988
Title:
Public bug reported:
We observe NTP time drift on two servers running hwe kernels in Xenial.
A few weeks ago we wanted to switch from 4.4 to 4.10. When rebooting the
servers to the 4.10 kernel we were seeing a big time offset within
minutes after booting. Despite running ntpd, it would not keep
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