Just stating (for my future self any anyone else) that for the other way
around (removing features that were never enabled before) there is code
that could handle that [1][2]. In a similar fashion libvirt could try to
consider older sources before this change as "ok I accept to not insist
on this
Arr, this is a bad case :-/
First of all - yes Sven it is a regression. Somewhat relieved by having
a workaround, but not making it not a regression.
First of all I have to beg all your pardon for not seeing this earlier,
due to the bug tasks being closed most of the review passed that we have
> I am not sure I would still call it a regression and it is certainly
an annoying, but it can be workarounded.
it worked before, now it doesn't without manual intervention, that's the
basic definition of a regression, no?
after all, there are _always_ workarounds for regressions, so I would
not
Hi Juul,
these two flags are only present when SVM is enabled (which is unfortunately
default in Ubuntu).
We worked around this issue by modifying the target domain XML in live
migration to disable both flags if they are not present on the source side
(e.g. host running with older kernel).
I
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
It seems one of the patches also introduced a regression:
* lp-1887490-cpu_map-Add-missing-AMD-SVM-features.patch
adds various SVM-related flags. Specifically npt and nrip-save are now expected
to be present by default as shown in the updated testdata.
This however breaks migration from instances
This bug was fixed in the package libvirt - 6.0.0-0ubuntu8.5
---
libvirt (6.0.0-0ubuntu8.5) focal; urgency=medium
* d/p/ubuntu/lp-1887490-*: add named types and definitions for EPYC-Rome
chips (LP: #1887490)
-- Christian Ehrhardt Thu, 08 Oct
2020 07:36:06 +0200
** Changed
** Merge proposal linked:
https://code.launchpad.net/~paelzer/ubuntu/+source/libvirt/+git/libvirt/+merge/393189
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Title:
Thanks Venkatesh for this FYI.
The commits mentioned are of the kernel portion of all of this.
I spawned a new bug TODO for this to keep tracking separate and readable - I
subscribed you there.
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That update would have made even more sense if I've updated "TODO" for
actually being bug 1902176 in time :-)
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Title:
[FFe/SRU]
Hi - commit 411a139d84bd34931e0e01d6ed5e48a718392e5d added
svm_xsaves_support, but AFAICT support for virtualizing the IA32_XSS MSR
on SVM was not merged back from upstream. Commit
864e2ab2b46db1ac266c46a7c9cefe6cc893029d added this support upstream and
was a parent of 411a13.
This means QEMU-KVM
Markus was faster :-) verified waiting for the SRU aging period ...
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Title:
[FFe/SRU] Add/Backport EPYC-v3 and EPYC-Rome CPU model
Pre:
root@f:~# grep EPYC /usr/share/libvirt/cpu_map/index.xml
root@f:~# virsh domcapabilities | grep EPYC
EPYC-IBPB
EPYC
root@f:~# cat test.xml
test
4194304
4194304
4
hvm
EPYC-Rome
/usr/bin/qemu-system-x86_64
root@f:~# virsh
Same tests as above. Still working as intended
** Tags removed: patch verification-needed verification-needed-focal
** Tags added: verification-done verification-done-focal
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Hello Markus, or anyone else affected,
Accepted libvirt into focal-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/libvirt/6.0.0-0ubuntu8.5 in a few
hours, and then in the -proposed repository.
Please help us by testing this new package. See
Thank you Markus, it also passed all my regression tests and a review by a
Teammate.
Now uploaded into Focal-unapproved entering the SRU Process.
** Changed in: linux (Ubuntu)
Status: Invalid => Fix Released
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Well, for me it's more or less a noop because we have been running a
version with these patches for some time now. But nevertheless I haven't
encountered any problems using your build/patch series. Host
capabilities are correctly detected as EPYC-Rome and I can (still) start
an instance with the
Am MP for a Focal backport of this is ready at:
https://code.launchpad.net/~paelzer/ubuntu/+source/libvirt/+git/libvirt/+merge/392204
Along a PPA at:
https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/4313/
@Markus if you could pre-check this PPA on the specific ahrdware that
would be
** Merge proposal linked:
https://code.launchpad.net/~paelzer/ubuntu/+source/libvirt/+git/libvirt/+merge/392204
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Title:
This bug was fixed in the package linux - 5.4.0-51.56
---
linux (5.4.0-51.56) focal; urgency=medium
* Packaging resync (LP: #1786013)
- update dkms package versions
linux (5.4.0-50.55) focal; urgency=medium
* CVE-2020-16119
- SAUCE: dccp: avoid double free of ccid on
This bug was fixed in the package libvirt - 6.6.0-1ubuntu3
---
libvirt (6.6.0-1ubuntu3) groovy; urgency=medium
* d/p/ubuntu/lp-1887490-*: add named types and definitions for EPYC-Rome
chips (LP: #1887490)
-- Christian Ehrhardt Thu, 08 Oct
2020 07:36:06 +0200
** Changed in:
** Changed in: libvirt (Ubuntu)
Status: Incomplete => In Progress
** Changed in: libvirt (Ubuntu Focal)
Status: Incomplete => Triaged
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Qemu landed in Focal \o/
An update for Libvirt:
Groovy:
- MP approved
- no FFe needed (as it is an SRU even)
- and uploaded to groovy.
- Being so close to the groovy release it might be a zero day SRU or a sooner
fix before Groovy-release - we will see.
Focal:
- After groovy is fixed we
The attachment "Add-EPYC-ROME-x86-CPU-model.patch" seems to be a patch.
If it isn't, please remove the "patch" flag from the attachment, remove
the "patch" tag, and if you are a member of the ~ubuntu-reviewers,
unsubscribe the team.
[This is an automated message performed by a Launchpad user
This bug was fixed in the package qemu - 1:4.2-3ubuntu6.7
---
qemu (1:4.2-3ubuntu6.7) focal; urgency=medium
* d/p/ubuntu/lp-1882774-*: add newer EPYC processor types (LP: #1887490)
* d/p/u/lp-1896751-exec-rom_reset-Free-rom-data-during-inmigrate-skip.patch:
fix reboot after
Pre-post upgrade domcapabilities diff now only adds EPYC-Rome as new
type (as expected)
As expected on my machine that isn't a usable type, but ok that way:
EPYC-Rome
root@g:~# grep Rome/usr/share/libvirt/cpu_map/index.xml
root@g:~# ll /usr/share/libvirt/cpu_map/x86_EPYC-Rome.xml
Now seeing your comment Markus, yeah I've seen the monitor fixup myself
thanks.
/me looks forward to live refreshing launchpad to not appear so ignorant
to updates ...
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The issues of bug 1892826 seem resolved.
I also have found what the problem here is, it comes down to:
Oct 08 08:23:50 groovy-testEPYC libvirtd[2176]: XML error: failed to
parse xml document '/usr/share/libvirt/cpu_map/x86_EPYC-Rome.xml'
Which is right it isn't installed in my test build.
But
Note the fixup patch removing monitor flag:
https://gitlab.com/libvirt/libvirt/-/commit/3bf6f9fe22dfbd3c1dcc614b31f2f4fe8b71a2f2
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Test build in PPA: https://launchpad.net/~ci-train-ppa-
service/+archive/ubuntu/4303
But there are some issues when checking for known models:
Current:
...
Skylake-Client-IBRS
...
qemu64
...
New build:
...
Something went wrong and broke any host-model
** Description changed:
[Impact]
* CPU definitions are added to libvirt as these CPUs are known
-and added to qemu for execution.
+ and added to qemu for execution.
And due to that over time some are considered missing in
-former releases.
+ former releases.
* To
** Merge proposal linked:
https://code.launchpad.net/~paelzer/ubuntu/+source/libvirt/+git/libvirt/+merge/391963
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