This bug was fixed in the package linux-kvm - 5.11.0-1008.8+21.10.1
---
linux-kvm (5.11.0-1008.8+21.10.1) impish; urgency=medium
* impish/linux-kvm: 5.11.0-1008.8+21.10.1 -proposed tracker (LP:
#1927567)
* Packaging resync (LP: #1786013)
- [Packaging] update update.conf
-
This bug was fixed in the package linux-kvm - 5.8.0-1028.30
---
linux-kvm (5.8.0-1028.30) groovy; urgency=medium
* groovy/linux-kvm: 5.8.0-1028.30 -proposed tracker (LP: #1927585)
* Groovy update: upstream stable patchset 2021-04-27 (LP: #1926360)
- [Config] kvm: CONFIG_VFIO=
This bug was fixed in the package linux-kvm - 5.4.0-1040.41
---
linux-kvm (5.4.0-1040.41) focal; urgency=medium
* focal/linux-kvm: 5.4.0-1040.41 -proposed tracker (LP: #1927609)
* Make vfio-pci built-in or xhci_hcd optional (LP: #1770845)
- [Config]: kvm: CONFIG_VFIO=n
* n
installed mentioned kernel version an did a memory hot-plugging test
which was sucessfull
kernel version:
root@ubuntu:/boot# uname -a
Linux ubuntu 5.4.0-1040-kvm #41-Ubuntu SMP Fri May 14 20:43:17 UTC 2021 x86_64
x86_64 x86_64 GNU/Linux
module in kernel configuration is set:
root@ubuntu:/boot# g
Hi Olaf,
Can you please test with version -1040?
$ rmadison -a amd64 -s focal-proposed linux-image-kvm
linux-image-kvm | 5.4.0.1040.38 | focal-proposed | amd64
You might need to run 'sudo apt update' to get your local database
updated.
** Tags removed: verification-failed-focal
** Tags added:
root@ubuntu:~# cat /etc/apt/sources.list.d/ubuntu-focal-proposed.list
# Enable Ubuntu proposed archive
deb http://archive.ubuntu.com/ubuntu/ focal-proposed restricted main multiverse
universe
root@ubuntu:~# apt policy linux-image-kvm
linux-image-kvm:
Installed: 5.4.0.1033.31
Candidate: 5.4.0.
The proposed package version is linux-kvm 5.4.0-1040.41
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Title:
no memory hot-plugging in cloud-images
Status in cloud-images:
updated kernel:
...
Setting up linux-image-5.4.0-1039-kvm (5.4.0-1039.40) ...
I: /boot/vmlinuz is now a symlink to vmlinuz-5.4.0-1039-kvm
I: /boot/initrd.img is now a symlink to initrd.img-5.4.0-1039-kvm
...
unfortunately the kernel config is still not set:
root@ubuntu:~# grep -i CONFIG_ACPI_HOTPL
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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Title:
no memory hot-plugging in cloud-images
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-
groovy' to 'verification-done-groovy'. If the problem still exists,
change the tag 'verifica
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-
focal' to 'verification-done-focal'. If the problem still exists, change
the tag 'verificati
This bug was fixed in the package linux-kvm - 5.11.0-1007.7
---
linux-kvm (5.11.0-1007.7) hirsute; urgency=medium
* no memory hot-plugging in cloud-images (LP: #1925008)
- [Config] kvm: CONFIG_ACPI_HOTPLUG_MEMORY=y
[ Ubuntu: 5.11.0-17.18 ]
* Race between isotp_bind and iso
** Changed in: linux-kvm (Ubuntu Groovy)
Status: In Progress => Fix Committed
** Changed in: linux-kvm (Ubuntu Hirsute)
Status: In Progress => Fix Committed
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** Changed in: linux-kvm (Ubuntu Focal)
Status: In Progress => Fix Committed
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Title:
no memory hot-plugging in cloud-imag
Patch submitted: https://lists.ubuntu.com/archives/kernel-
team/2021-April/119497.html
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Title:
no memory hot-plugging in cloud-i
** Description changed:
+ SRU Justification
+
+ [Impact]
+
Memory hot-plugging is not working with public cloud-images. Error with dmesg
shows:
[ 184.544535] acpi PNP0C80:00: Enumeration failure
checking kernel configuration:
root@ubuntu:/boot# uname -r
5.4.0-1038-kvm
root@ubunt
We tested the kernel release 5.4.0-1040-kvm and it looks much more
better now. Memory gets added automaticly to the system. Also all events
are visible now:
monitor will print the received events for:
UDEV - the event which udev sends out after rule processing
KERNEL - the kernel uevent
KERNEL[
Olaf - please install this test kernel (https://kernel.ubuntu.com/~rtg
/kvm-CONFIG_ACPI_HOTPLUG_MEMORY-LP1925008) and report your results.
wget
https://kernel.ubuntu.com/~rtg/kvm-CONFIG_ACPI_HOTPLUG_MEMORY-LP1925008/amd64/linux-image-unsigned-5.4.0-1040-kvm_5.4.0-1040.41~LP1925008.1_amd64.deb
wge
qemu -name $
-m 1024,slots=255,maxmem=256G
-M pc-i440fx-2.7
-enable-kvm
-no-user-config
-nodefaults
-rtc base=utc
-object rng-random,filename=/dev/urandom,id=rng0
-device virtio-rng-pci,rng=rng0,max-bytes=1024,period=1000,bus=pci.0,addr=0x3
-netdev
tap,ifname=$,id=hostnet6,vhost=on,vhostf
Olaf - Can you paste your whole command line ?
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Title:
no memory hot-plugging in cloud-images
Status in cloud-images:
Invalid
Well for memory hotplug the -m paramter is important. Here is how i started the
VM:
qemu -name myfancyvm -m 1024,slots=255,maxmem=256G...
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Olaf - what options are you using to create your VM ? Using uvt-kvm is
not showing the same ACPI enumeration error, e.g.,
uvt-kvm create myvm release=focal arch=amd64
uvt-kvm ssh --insecure myvm
sudo apt-get install linux-kvm
sudo reboot
uvt-kvm wait --insecure myvm
uvt-kvm ssh --insecure myvm
dme
** Also affects: linux-kvm (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
** Also affects: linux (Ubuntu Groovy)
Importance: Undecided
Status: New
** Also affects: linux-kvm (Ubuntu Groovy)
Importance: Unde
It doesn't appear to affect all of the cloud kernels. Only focal:linux-
kvm and focal:linux-azure that I've found (though that is not an
exhaustive list).
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apport information
** Tags added: apport-collected focal uec-images
** Description changed:
Memory hot-plugging is not working with public cloud-images. Error with dmesg
shows:
[ 184.544535] acpi PNP0C80:00: Enumeration failure
checking kernel configuration:
root@ubuntu:/boot# uname
Marking affects linux, so the kernel folks can weigh in on this.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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