Public bug reported:
Please include this missing commit.
We need it in the Xenial 16.04 linux-azure kernel series 4.15.
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=273de02ae7d828d72d66eb5fce181e1f3f96d0cd
hv_netvsc: Add handlers for ethtool get/set msg level
The
** Changed in: linux-azure (Ubuntu)
Status: New => Confirmed
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Title:
[Hyper-V] pick-up hv_netvsc commit in linux-azure
The change is looking fine in artful proposed 4.13.0.39.42 kernel. bug
status changed to verification-done
** Tags removed: verification-needed-artful
** Tags added: verification-done-artful
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Public bug reported:
For 18.04 we're seeing some SR-IOV functionality issues.
Please pick these patches for the next SRU.
Some of them are in ubuntu master-next tree, but still wanting to track these
for inclusion into 18.04 kernel.
"PCI: hv: Fix 2 hang issues in hv_compose_msi_msg()" is the mo
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] patches for SR-IOV post-bionic GA
Status in
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] KVP daemon crashes at startup
Status in linu
** Changed in: linux (Ubuntu Bionic)
Status: Fix Committed => Fix Released
** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
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Joe, Brad - I see this bug still reads 'committed' for bionic.
Looking for a Fix released for all so that we can close it.
Thank you!
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** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
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Title:
[Hyper-V] include kvp fix for Avoid reading past
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] KVP daemon fails to start
Status in linux pa
Public bug reported:
In Bionic azure-edge proposed kernel 4.18.0-1008 we're observing an issue that
got carried from upstream.
This is the first version we checked specifically for this issue, we don't have
yet a good/bad proposed comparison set of versions.
linux-next-5.0.0-9673b4a-20012019 do
** Summary changed:
- [Azure] Accelerated networking broken in 18.10 daily
+ Accelerated networking (SR-IOV VF) broken in 18.10 daily
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Joe, for the 2nd issue initially reported here, about "After the KVP daemon is
being started the following messages appear".
We've noticed a regression for this in 18.10 - daily's and even GA.
Can you please add Cosmic 18.10 to the bug here and re-open or should I send a
new bug report for it?
T
Bug is now carried in linux-azure-edge kernels on the 4.18 tree, these
should not be published to release further from proposed.
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Titl
Public bug reported:
While testing Ubuntu 18.10 daily from cloud-images repo, on Azure, we
discovered that accelerated networking wasn’t working inside the VM.
No VF shows up inside the VM and lspci didn’t show any Mellanox drivers in use.
We tested the daily build on Hyper-V also, but there the
** Description changed:
While testing Ubuntu 18.10 daily from cloud-images repo, on Azure, we
discovered that accelerated networking wasn’t working inside the VM.
No VF shows up inside the VM and lspci didn’t show any Mellanox drivers in
use.
We tested the daily build on Hyper-V also, but
This behavior is still seen even in 4.18.0.1002 proposed azure kernel
for Cosmic 18.10 release (daily builds).
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Title:
[Hyper-
This is now broken also on Hyper-V VMs, tested with 4.18.0-8-generic and
daily 18.10 server
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Title:
[Azure] Accelerated networking b
What I know is that this is working in azure kernels 4.15 series, but
not in 4.18 since we got the dailies with it for Cosmic.
>From the ubuntu kernel tree if these versions are separate branches then
I don't know how a bisect would work...
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If you can point me to the ubuntu kernel sources where we can see how
the 4.15 and 4.18 kernels are found then I can check if a bisect would
be possible as such.
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https:
Public bug reported:
While testing linux-azure 4.15.0-1032 kernel from proposed we found that
kdump is no longer working as expected, on trusty only.
Here are some info and versions.
We'll have to verify a few more scenarios with other images and try to isolate
this, but as least the kdump on tr
"Just to confirm, the 4.18 kernel you see this bug in is the standard Ubuntu
kernel?"
> A: this first was seen in the daily cosmic 18.10 images (before RTM), and
> when azure-edge kernels were created we've seen this problem on those as well.
That being azure-edge for Bionic for example, not only
Public bug reported:
We have a watcher that does the following:
- verifies if any linux-azure kernels have been published in proposed repo.
- if it detects one, it will install.
The problem we have is that even though we detect a new kernel in proposed, the
installation of it will fail as there
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
apt repository in proposed packages availability issue
This does look resolved on WS2016 and Azure.
However, SR-IOV is broken in another way now on WS2019.
Affected proposed kernels:
- cosmic proposed
- bionic proposed edge - 4.18 based.
Tested this with cosmic linux-azure 4.18.0.1006.7 from proposed, same vhd:
- SR-IOV with Mellanox CX3 works fine o
We have worked around this by doing dry test installs of azure kernel inside
containers, and wait until that is successfully getting installed.
We also tried to look for a set of packages for linux-azure - from linux-azure,
headers, image, but that also didn't help.
I wasn't aware of linux-signe
Issue with 'Invalid kvp dependency scripts path /usr/libexec/hypervkvpd'
remains in latest kernel-image bionic 4.15.0-38.41.
Verified azure-kernel 4.15.0-1030.31 for bionic, same VM and environment, and
the issue does *not* appear.
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Missed the reply on this thread, my apologies.
I tried now to install the packages from those ppa's, however apt will not
detect the kernels.
I've added the ppa repo and did an #apt update, but apt will then not detect
neither of the kernels, so I mus t be doing something wrong.
On another note,
Issue remains in latest 4.15.0-1040-azure.
No new version for kdump-tools - latest 1.5.5-2ubuntu1.6.
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Title:
[Hyper-V] kdump i
** Tags removed: verification-needed-yakkety
** Tags added: verification-done-yakkety
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Title:
[Hyper-V/Azure] Please include Mellano
Yes, please pick it in linux-azure Xenial 4.13.
This is not present in current 4.13.0-1012.14 proposed.
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Title:
[Hyper-V] include kv
** Summary changed:
- [Hyper-V] Dynamic Memory HotAdd memory demand increases very fast to maximum
and logs show call trace messages
+ [Hyper-V] Dynamic Memory HotAdd memory demand increases very fast to maximum
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Public bug reported:
Please pick this upstream commit in 18.04 release.
This is required if a large number of records are injected into a pool, which
can cause the kvp daemon to crash.
We found this to be missing from bionic server daily image.
hv: kvp: Avoid reading past allocated blocks from
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] include kvp fix for Avoid reading past alloca
Please apply it to both kernels/releases.
Thank you!
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Title:
[Hyper-V] include kvp fix for Avoid reading past allocated blocks from
We do not have a clear repro on this issue, but recently there have been
several fixes for rescind, so those might help.
Let's close this for the time being.
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Public bug reported:
Issue description: Hyper-V daemons fail to start after disable/re-enable
VM integration services.
Platform: host independent
Affected daemons - KVP, FCOPY and VSS.
Distribution name and release: Ubuntu 16.04, Ubuntu 17.04
Kernel version: 4.11.0-rc7-next-20170421 (for Ubuntu
Please merge the changes.
Sorry for the delay on this, we did some testing and we're not seeing any
issues in the test kernel.
We don't have a clear repro to exercise the bug behavior, but the changes do
not break the functionality.
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Joe, I take that back - comment #16 is incorrect.
I'm seeing a call trace kvp related when using a high numbers of cores on the
VM on the test kernel provided.
We cannot repro that on 4.10.0-19 and nor in the latest one 4.10.0-26.
Can you please apply that patch on top of current 4.10.0-26 so we
The same happens on 4.4.0-40 kernel, I think this goes with comment #6.
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Title:
[Hyper-V] LIS daemons fail to start after disable/re
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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Title:
[Hyper-V] do not lose pending heartbeat
** Tags removed: verification-needed-precise
** Tags added: verification-done-precise
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Title:
[Hyper-V] do not lose pending heartbea
We verified the following proposed kernels:
Xenial: 4.4.0.58.61 and 4.4.0.58.79
Yakkety: 4.8.0.34.43
Standard kdump and kdump through NMI work now as expected, single core
and SMP configurations.
** Tags removed: verification-needed-xenial verification-needed-yakkety
** Tags added: verification-d
** Tags removed: verification-needed-vivid verification-needed-xenial
** Tags added: verification-done-vivid verification-done-xenial
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I did re-verify this now with the 4.9 mainline and kdump through NMI works fine.
There might have been additional patches and there is at least one other commit
in upstream, however that one is addressing only x86 arch.
Full version info: v4.9 mainline build
v4.9 (69973b830859bc6529a7a0468ba0d80e
Hi Tim,
We've verified the 2 updated test kernels hv.2 from comment #7 and network
performance is back to the maximum throughput.
Also, the bond script is present and functional.
Thank you!
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Closing item, this got resolved in upstream eventually.
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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Titl
Adrian's info are correct, we can close this issue.
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Title:
[Hyper-V] SR-IOV functionality regression in 16.04 HWE proposed
Status
Hi Joe,
Using today's ISO - zesty-server-amd64.iso from March 8th, and doing a fresh
install, then installing linux-tools-generic and linux-cloud-tools-generic, I
see that the KVP daemon starts at the reboot without the previous issue.
The tools are running on top of kernel 4.10.0-9.
However, n
Hi Stuart,
>From your comment #8, I took the 16.04.2 server ISO and did an install.
This uses kernel 4.4.0-62 and after installing the linux-tools/cloud-tools,
then I haven't ran into the initial issue.
Where you seeing the exact message from kvp that it didn't start?
Note that if the kernel is
Thanks Tim!
We performed several sanity checks with the test kernel from comment #3 and
it's looking good.
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Title:
[Hyper-V] Rebase
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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Title:
[Hyper-V] netvsc: fix incorrect receive checksum of
I took the v4.12 kernel and compiled the LIS daemons from those sources
as well.
Reloading the Data Exchange service, KVP will fail with the below message. This
is the same as initially reported, so nothing changed in the behavior.
Not sure on the regression part, only up to the point on differen
The new test kernel based on 4.10.0-26 also has this behavior.
We also checked the latest upstream and we're not seeing the failure, so let me
discuss this internally to see why this fails on 4.10 but not on upstream.
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We verified anything between 14.04.0 and 15.10, the thing with those
releases is that even if we disable the Data Exchange integration
service, the KVP daemon remains running on the VM.
Only starting from 16.04 the KVP daemon stops when Data Exchange is disabled.
So 16.04 is the first version with
Please build a test kernel with these 2 commits:
59107e2f48831daedc46973ce4988605ab066de3
56ef6718a1d8d77745033c5291e025ce18504159
Thank you!
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** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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Title:
[Hyper-V] Kernel panic not functional on 32bit Ubun
Haven't checked mainline, but it is in upstream. Please find it here -
http://git.kernel.org/cgit/linux/kernel/git/next/linux-
next.git/commit/?id=56ef6718a
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Hi Joe,
The test kernels with the commits are looking fine, I was able to successfully
trigger and complete a kdump over NMI.
Tested Xenial and Yakkety on WS2016 and WS2012R2.
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Hi Joe,
For the v2 test kernel for Trusty from comment #11:
The kernels 3.13 and 3.19 at least from our testing might not be
affected by this bug as those don't have any receive checksum
offloading, and therefore the patch here is not applicable.
Even with the cherry-pick, the behavior with only
Public bug reported:
Hello,
In 1650059 we requested the rebase to the 4.9 kernel LIS commits.
Also, from comments #7 and #8 we confirmed that the SR-IOV functionality was
working as expected.
This was in the test kernel build 4.8.0-33.35.
Now, while testing the HWE proposed kernel for Xenial -
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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Title:
[Hyper-V] Rebase Hyper-V in 16.04 and 16
Hi Joe,
The bug exists only in the hwe proposed kernel 4.8.0-33.35.
SR-IOV does indeed work on the latest yakkety proposed - 4.8.0.38.49.
On 16.04.1 proposed 4.4.0.63.67 (lts-xenial) we also successfully tested
SR-IOV.
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Public bug reported:
Hello,
On Ubuntu Server 17.04 daily from Febr 14th we see that the KVP daemon
although it is enabled in systemd, it fails to start at system boot.
This is shown by error: "KVP: read failed; error:9 Bad file descriptor"
I then manually ran the kvp binary, it returned the KVP
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] kvp daemon start failure on Zesty
Status in
Verified the following proposed kernels and confirm this as fixed in:
On Gen1VM: 16.04.1 with 4.4.0-63.67
On both Gen1 and Gen2VM: 16.10 with 4.8.0-38.49
Thank you!
** Tags removed: verification-needed-xenial verification-needed-yakkety
** Tags added: verification-done-xenial verification-done-ya
Hi Joe,
The error comes from the kvp daemon, which is not part of the kernel itself.
Or along with the kernel-ppa are you also building linux-tools/cloud-tools?
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Can we get Vivid out of the list please?
I see that it is now EOL.
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Title:
Kdump through NMI SMP and single core not working on Ubun
The same error appears from KVP also on the test kernel
4.8.0-22_4.8.0-22.24~lp1664663.
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Title:
[Hyper-V] kvp daemon start failure o
** Tags removed: verification-needed-trusty verification-needed-wily
** Tags added: verification-done-trusty verification-done-wily
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T
This has been tested and marked as verification-done for both Wily and
Trusty here, and also in the main bug report #1540586
** Tags removed: verification-needed-trusty verification-needed-wily
** Tags added: verification-done-trusty verification-done-wily
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Hi Joe,
I have a 15.04 install running linux-next 4.5.0-rc5 from Febr 26th, on
which I can confirm Sidney's update, that udev/systemd is no longer
slowing this down to a halt.
As the default 3.19 kernel on 15.04 is not having this behavior, I've installed
kernel 4.2.8 from the ubuntu ppa mainlin
Hi Joe,
Adrian is from my team and his test results are valid. Can you please confirm
that this patch will be included in the March 11th SRUs?
Thank you!
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Public bug reported:
We identified that at least ubuntu (let's take 15.10) does not boot if
installed in the 32bit architecture, and using the linux-next upstream
kernel 4.5 on it. This has been seen on other distributions as well.
We took both the official linux-next branch from kernel.org and t
Public bug reported:
Please include the below 2 patches in the 4.4 kernel for Xenial.
These are not currently present in the daily builds, and the network
performance numbers are not very high. With these patches we expect to see an
increase.
hv_netvsc: cleanup netdev feature flags for netvsc
h
Thanks Joe for the confirmation!
This issue was first seen as back as 4.4 rc8 when we picked it up first, so we
have to go even back in time with the releases to find the problem.
Question comes then if this pre-dates 4.4 stable, would this help with the
bisect, since 4.4 is used in 16.04.
We've
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] patches to allow kdump crash through NMI
Sta
Public bug reported:
Hello,
Please include the below patches into Xenial, previous releases might also
require it.
These allow for a crash to be triggered through a NMI call, and for the whole
crash process to complete successfully.
Otherwise, the VM might just hang and not write the dump core
We've tested the proposed kernel 4.2.0.35.38 and the issue is no longer
present, basic functionality has also been tested.
Thank you!
** Tags removed: verification-needed-wily
** Tags added: verification-done-wily
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Verified this and confirmed as good with the following:
- Trusty - proposed kernel 3.13.0.85.91
- Wily - proposed kernel 4.2.0.35.38
** Tags removed: verification-needed-trusty verification-needed-wily
** Tags added: verification-done-trusty verification-done-wily
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This has been fixed in the meantime, the related issue with ubuntu &
linux-next remains that a high crashkernel size must be used - 1GB@1GB
even though the initrd image is now under 200MB.
Let's keep this separate from 1400319 as at this point the issues are different.
Thanks Joe!
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Public bug reported:
NIC hot add/remove is a new feature in WS 2016.
Please pick these 2 patches to ensure full support and avoid known
issues that can occur if these are not included.
hyperv: Add support for vNIC hot removal (older patch, it should be picked up
already)
Commit: c3582a2c4d0baf1
While having a second look at this I can conclude that the messages from
device-mapper are due to a device that is not a multipath target, in which case
it should be blacklisted in the multipath config file.
This will make multipath to not map them, and using this we were able to no
longer see t
In which kernel daily build should we expect to see this?
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Title:
[Hyper-V] patch inclusion in 16.04 for NIC hot add/rem
Hi Joe,
You can send us the test kernels and we can quickly verify them.
Thank you!
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Title:
[Hyper-V] VM with ubuntu 32bit with lin
Public bug reported:
Hello,
Please include the below patches into Xenial, previous releases might also
require it.
These are meant to fix some race conditions in the LIS daemons and have been
seen to cause some issues in Xenial as well.
b9830d120cbe155863399f25eaef6aa8353e767f
Drivers: hv: uti
Brad, in regards to comment #21.
We've tested the proposed kernel v4.2.0-29.34 on Wily and the
performance is looking good. Please merge the changes.
I have a small question in regards to versioning.
When doing the install of the proposed kernel, in one place in apt-get I get
that "Selected vers
Joe, we would like to also get your input on the below.
In the trusty kernel (Ubuntu-3.13.0-77.121 -
https://code.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/trusty/+ref/master)
we tried to include the below patch to see if that resolves the network
performance regression issue.
Patch
The test kernel from comment #19 also has the network performance
regression.
For that reason we are looking to test this with all the mentioned 7
patches and in addition with the patch from comment #26
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Thanks Joe for the quick work on this.
To clarify on the distro release to use, we tested all kernels from this thread
on top of Trusty.
However, this kernel is supposed to go for Precise - 12.04.
Question is, if it's safe to continue do all the testing on Trusty, or
actually switch to Precise? I
Based on the numbers here, I will continue to include some patches or
suggestions we got from Haiyang, and send an update later.
You should be able to push the update as this seems to be a problem with 3.13
entire tree, then in a separate thread we can identify the missing patches.
These are the
Joe, can we please get a test kernel for Trusty (3.13 kernel) built?
I might have a lead that without these NUMA patches, we might be seeing the
performance regression issues from 1519897 (comment #33) . Still have to
confirm this from our end, but it's worth a try.
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Using a recent linux-next on top of 15.04, the default config generates
a large memory footprint initrd - over 500MB.
Therefore, if we set the crashkernel to 1GB, we'll get a crashdump and the
proper behavior.
So this doesn't relate to 1400319, and it seems to be resolved in linux-next in
connec
To summarize all previous activity on this bug for easier tracking, I've
re-done now a check on this bug and here are the details:
Hyper-V: Server 2012 R2
VM: Ubuntu 15.04
Kernel: 3.19.0-15
Default crashkernel value: 384M-:128M
Also verified with crashkernel=384M@384M
Status: kdump-tools is marke
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1549601
Title:
[Hyper-V] x86,pageattr: prevent overflow in slow_virt_t
I see that the proposed kernel is tagged as 3.19.0-49-generic #55
The kernel is running fine and has passed the core tests.
** Tags removed: verification-needed-vivid
** Tags added: verification-done-vivid
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Hi Joe,
I verified the v2 test kernel from comment #30 and the network performance
tests have passed successfully now.
The network connection didn't drop between the systems, please proceed with
merging these changes.
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Hi Joe,
One issue I'm seeing with the new script is that it seems to be ignoring the
netmask parameter.
In our test network the dhcp assigned is a /23, and that is set on the Ubuntu
15.10 VM.
When we simulate the IP injection, although the network configuration changes
and we still have connect
This lts-trusty test kernel is not booting when installed on 12.04.5.
There are multiple events like this being recorded on the serial:
udevd[275]: timeout: killing '/sbin/modprobe -bv
vmbus:394f16571591784eab55382f3bd5422d' [380]
udevd[246]: timeout: killing '/sbin/modprobe -bv
vmbus:e7f4a0a945
Thanks Andy!
I've created 1540586 now, not sure how to link the 2 bug reports.
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https://bugs.launchpad.net/bugs/1506521
Title:
[Hyper-V] hv_set_ifconfig issues on Wily 15.1
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