This fix can be found in 4.15 Bionic since Ubuntu-4.15.0-9.10:
phlin@tangerine:~/ubuntu-bionic$ git tag --contain
8a1b43922d0d1279e7936ba85c4c2a870403c95f
Ubuntu-4.15.0-10.11
Ubuntu-4.15.0-11.12
Ubuntu-4.15.0-12.13
Ubuntu-4.15.0-13.14
Ubuntu-4.15.0-14.15
Ubuntu-4.15.0-15.16
Ubuntu-4.15.0-16.17
This has been fixed for some time, so when can we expect this to be in
an updated Bionic kernel?
Thanks!
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https://bugs.launchpad.net/bugs/1741655
Title:
Regression: KVM no longer
This bug was fixed in the package linux - 4.13.0-38.43
---
linux (4.13.0-38.43) artful; urgency=medium
* linux: 4.13.0-38.43 -proposed tracker (LP: #1755762)
* Servers going OOM after updating kernel from 4.10 to 4.13 (LP: #1748408)
- i40e: Fix memory leak related filter
Yes proposed works like it should.
There's one thing I'd like to know, though. If the fix was in upstream such
little time after the regression was introduced, why are we still having the
regression in ubuntu after so long?
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tested it on artful and 16.04 LTE. On 16.04 LTE the kernel from comment
#6 working since mid of January without any problems.
added tag verification-done-artful
** Tags removed: verification-needed-artful
** Tags added: verification-done-artful
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
artful' to 'verification-done-artful'. If the problem still exists,
change the tag
After installing HWE stack and getting to 16.04.4 and updating kernel to
4.13.0-36 I still get this issue. So yes latest Xenial 16.04.4 still has
it.
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Latest 4.13 lowlatency kernel in 16.04.3 (xenial), still has the
regression.
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https://bugs.launchpad.net/bugs/1741655
Title:
Regression: KVM no longer supports Intel CPUs without
** Changed in: linux (Ubuntu Artful)
Status: In Progress => Fix Committed
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Title:
Regression: KVM no longer supports Intel CPUs without
** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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Title:
Regression: KVM no longer supports Intel CPUs without
SRU request submitted for Artful and Bionic:
https://lists.ubuntu.com/archives/kernel-team/2018-January/089404.html
** Description changed:
+ == SRU Justification ==
+ The following mainline commit introduced a regression in v4.12-rc1:
+ 2c82878b0cb3 ("KVM: VMX: require virtual NMI support")
+
** No longer affects: linux-hwe (Ubuntu Bionic)
** No longer affects: linux-hwe (Ubuntu Artful)
** No longer affects: linux-hwe (Ubuntu)
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Title:
The server works now over 20 hours with approx 10 vm's without any
problems. so i think the problem is solved for me. let's hope it's
included fast in the 4.13 packages of hwe
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That build is also working for me:
$ uname -a
Linux localhost 4.13.0-25-generic #29~lp1741655 SMP Thu Jan 11 19:45:45 UTC
2018 x86_64 x86_64 x86_64 GNU/Linux
$ lsmod | grep kvm
kvm_intel 200704 24
kvm 585728 1 kvm_intel
irqbypass 16384 21 kvm
$ kvm-ok
The Problem exists now also in 16.04 LTS with the HWE Stack and the
newest 4.13 kernel series with kpti.
** Also affects: linux-hwe (Ubuntu)
Importance: Undecided
Status: New
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Kernel is working, please fix also the HWE for 16.04 with the patches
Linux 4.13.0-25-generic #29~lp1741655 SMP
~# lsmod | grep kvm
kvm_intel 200704 7
kvm 585728 1 kvm_intel
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model
I built a test kernel with a pick of commit 8a1b439. The test kernel
can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1741655
Can you test this kernel and see if it resolves this bug?
Thanks in advance!
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** Also affects: linux (Ubuntu Bionic)
Importance: High
Status: Triaged
** Changed in: linux (Ubuntu Bionic)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu Artful)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu Artful)
Assignee:
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
** Also affects: linux (Ubuntu Artful)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Artful)
Status: New => Triaged
** Changed in: linux (Ubuntu Artful)
Importance: Undecided => High
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You
4.15-rc6 is functional:
# lsmod | grep kvm
kvm_intel 200704 0
kvm 581632 1 kvm_intel
irqbypass 16384 1 kvm
# kvm-ok
INFO: /dev/kvm exists
KVM acceleration can be used
As is 4.13.0-21-generic with that single commit applied.
** Changed in: linux
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.15 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
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