** Summary changed:
- Ubuntu VM crash during Hyper-V backup or live migration after installing
kernel 4.4.0-67 or later
+ [Hyper-V] Ubuntu VM crash during Hyper-V backup or live migration after
installing kernel 4.4.0-67 or later
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I think this issue is with this set of storvsc changes in .67:
* [Hyper-V] Bug fixes for storvsc (tagged queuing, error conditions)
(LP: #1663687)
- scsi: storvsc: Enable tracking of queue depth
- scsi: storvsc: Remove the restriction on max segment size
- scsi: storvsc: Enable m
I think this issue is with this set of storvsc changes in .67:
* [Hyper-V] Bug fixes for storvsc (tagged queuing, error conditions)
(LP: #1663687)
- scsi: storvsc: Enable tracking of queue depth
- scsi: storvsc: Remove the restriction on max segment size
- scsi: storvsc: Enable m
Public bug reported:
We've been hitting provisioning errors in Azure and narrowed down the
cause to vmbus_post_msg timeouts. This upstream commit should alleviate
this.
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-
next.git/commit/?id=c0bb03924f1a80e7f65900e36c8e6b3dc167c5f8
DoS pr
This commit should go into the 4.4, 4.8, and 4.10 kernels.
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Title:
[Hyper-V] hv: vmbus: Raise retry/wait limits in vmbus_post_msg()
To manage no
96 successful deployments completed. No issues observed yet.
Without this patch we saw 3 failures under 50 deployments, 1st failure at 19th
iteration.
We will run 2000 deployments in total in full testing.
This is critical enough our development team believes the test kernel is
valid and we shoul
As of this morning, 1513 iterations of the deployment test with no
issues.
I see 4.4.40-74 in proposed now, we will shift testing to there.
Thank you for the rapid turnaround on this critical bug.
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4.4.0-74 that is, sorry.
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Title:
[Hyper-V] hv: vmbus: Raise retry/wait limits in vmbus_post_msg()
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This is a regression, we did lots of work a year ago to ensure the
daemons handle bouncing integration services settings.
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Title:
[Hyper-V] LIS d
Remember, this driver has to be loaded as a module, so that differences
in host OS can load different drivers, once they exist. Current host
versions are OS142 and OS144.
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Patch request, marking confirmed. Microsoft will test the results.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Summary changed:
- add version to rdma driver to support new method to bind to ND IP interface
+ [Hyper-V] add version to rdma driver to support new method t
We did test this specific scenario in our combined testing. We are
telling preview customers to download this script manually right now and
I'm being asked for an ETA for when this will start appearing on images.
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Public bug reported:
Azure hosts are not supporting non-TCP port numbers in vRSS hashing for
now. For example, UDP packet loss rate will be high if port numbers are
also included in vRSS hash.
So, we created this patch to use only IP numbers for hashing in non-TCP
traffic.
https://git.kernel.org
This should apply to 4.4, 4.8, and 4.10 kernels. It's been accepted into
linux-next.
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Title:
[Hyper-V] hv_netvsc: Exclude non-TCP port numbers fr
Since 4.10 did not apply cleanly to 4.4, I'm requesting these for 4.8,
4.10, and Azure kernel.
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Title:
[Hyper-V] Rebase Hyper-V to upstream 4.11
Some of these commits have already been applied, but are included for
completeness.
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Title:
[Hyper-V] Rebase Hyper-V to upstream 4.11 kernel plus
Public bug reported:
Catching up with upstream 4.11 Hyper-V files:
arch/x86/kernel/cpu/mshyperv.c
arch/x86/include/asm/mshyperv.h
arch/x86/include/uapi/asm/hyperv.h
include/linux/hyperv.h
drivers/hv/channel.c
drivers/hv/channel_mgmt.c
drivers/hv/connection.c
drivers/hv/hv_balloon.c
drivers/hv/hv.c
Public bug reported:
Please include the latest version of Hyper-V Sockets (hv_sock) for the
4.10 kernel against the Azure kernel. This is SAUCE as this has not yet
been submitted or accepted upstream in this form.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Patc
Is this over vmconnect, RDP, or in an ssh session?
** Summary changed:
- ubuntu server with hyper-v virtual machine will freeze processes
+ [Hyper-V] ubuntu server with hyper-v virtual machine will freeze processes
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
Azure: make it possible to boot without initrd
To manage notificati
Public bug reported:
We are in the process of rolling out SR-IOV in Azure (available as a
preview now, contact me offline and we can work out getting your
subscription addedif you want to try it). In general our normal
synthetic interface appears as eth0 and the VF comes in as eth1. We
intend to b
Cloud-init is warning because the VF and synthetic (Hyper-V) NIC have
the same MAC address. The following patch will suppress that warning in
that situation.
** Patch added: "cloudinit-skip-hv-vf.diff"
https://bugs.launchpad.net/ubuntu/+source/cloud-init/+bug/1690430/+attachment/4875750/+files
Public bug reported:
Please include the following upstream commit into lts-xenial, 16.04 HWE,
Yakkity, and Zesty. This will improve the behavior of timesync on
Hyper-V hosts while simultaneously using network time sync protocols
like NTP.
commit 3716a49a81ba19dda7202633a68b28564ba95eb5
Author: Vi
** Description changed:
Please include the following upstream commit into lts-xenial, 16.04 HWE,
Yakkity, and Zesty. This will improve the behavior of timesync on
Hyper-V hosts while simultaneously using network time sync protocols
like NTP.
+
https://git.kernel.org/pub/scm/linux/kerne
This patch needs the CONFIG_PTP_1588_CLOCK flag set in the kernel
config.
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Title:
[Hyper-V] Implement Hyper-V PTP Source
To manage notifications
@mhcerri Yes, we should queue these up, but we'd like to switch our
focus to 4.13 soon.
Thanks, --jrp
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Title:
[Hyper-V] Docker failures with lin
Public bug reported:
Azure NV class:
4.11.0-1013:
jrp@jrpubuntuv:~$ lspci
:00:00.0 Host bridge: Intel Corporation 440BX/ZX/DX - 82443BX/ZX/DX Host
bridge (AGP disabled) (rev 03)
:00:07.0 ISA bridge: Intel Corporation 82371AB/EB/MB PIIX4 ISA (rev 01)
:00:07.1 IDE interface: Intel Corp
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
[Hyper-V] PCI passthrough no longer works on 4.4.0-97
To manage notificati
Working ACPI messages from dmesg (dmesg | grep -i ACPI)
[0.00] BIOS-e820: [mem 0x1fff-0x1fffefff] ACPI data
[0.00] BIOS-e820: [mem 0x1000-0x1fff] ACPI NVS
[0.00] ACPI: Early table checksum verification disabled
[0.00] ACPI
Yes, it certainly used to work on 4.4.0-75 and 77, and all of the 4.4s
still work on the NC series. Since all of my tests are using a current
16.04 userspace I'm trying to figure out if something else has happened
(or if a host change broke it).
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Public bug reported:
Customer using Lenovo P50 (Skylake) and Surface Book (Skylake) laptops
tried to start unity in a guest VM on Hyper-V. Kernel 4.4.0-31 started
as expected, Hyper-V drivers loaded as expected including the
framebuffer driver, plenty of memory and vCPUs allocated, but x.org
fails
Microsoft will attempt recreation on the Xenial kernel and report.
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Title:
[Hyper-V] Kernel panic not functional on 32bit Ubuntu 14.10, 15.04,
32-bit is failing on Xenial triggered via NMI or with 2 or more cores.
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Title:
[Hyper-V] Kernel panic not functional on 32bit Ubuntu 14.10, 15.04
Public bug reported:
Two upstream commits (right now in Bjorn Helgaas's PCI tree, and heading
to Linus's tree) address potential hangs in PCI passthrough. Please
consider these upstream items for 16.10 and 16.04 (and HWE kernels based
on lts-xenial).
https://git.kernel.org/cgit/linux/kernel/git/h
No log files required, upstream commits cited.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] PCI Passth
Wait for our upstream submission, please. There may be feedback.
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Title:
[Hyper-V] VM with ubuntu 32bit with linux-next does not boot
To manage
Public bug reported:
Please rebase Hyper-V support to the final v4.6 upstream kernel.
The following files comprise Hyper-V support in the upstream kernel:
arch/x86/kernel/cpu/mshyperv.c
arch/x86/include/asm/mshyperv.h
arch/x86/include/uapi/asm/hyperv.h
include/linux/hyperv.h
drivers/hv/channel.c
** Changed in: linux (Ubuntu Xenial)
Status: New => Confirmed
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Title:
[Hyper-V] Rebase Hyper-V to 4.6 kernel
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Acknowledged. We're looking at it.
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Title:
[Hyper-V] Rebase Hyper-V to 4.6 kernel
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Public bug reported:
Similar to the Hyper-V daemons that are in cloud-tools, please place the
python script "lsvmbus" from the Linux kernel source tree in tools/hv in
/usr/sbin
This script will show the devices on the Hyper-V vmbus.
** Affects: linux (Ubuntu)
Importance: Undecided
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/tools/hv/lsvmbus
This script was introduced upstream August 2015.
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Title:
[
No logs required, upstream commit request.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] Put tools/hv/l
I have verified that 4.4.0-22 does not balloon memory back to Hyper-V
and 4.4.0-21 does. We are investigating, but there doesn't seem to be a
lot of Hyper-V changes that relate to memory between these two kernels.
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Initial feedback is promising. I think we can move forward with this.
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Title:
[Hyper-V] vmbus: Fix a bug in hv_need_to_signal_on_read()
To manag
Public bug reported:
The PCI tree has stabilized, so we should be able to get the rest of PCI
passthrough that's been accepted upstream:
commit 4daace0d8ce851f8f8f91563c835e3000c954d5e PCI: Add fwnode_handle to x86
pci_sysdata
commit 788858ebc49a07fe5f812778f245a51b0d800d82 PCI: Look up IRQ doma
Upstream commits, no logs required.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] Additional PCI passth
Sorry, I know we have a version of this fix in proposed now, but based
on upstream feedback, we should switch to the following patch:
From: K. Y. Srinivasan [mailto:k...@microsoft.com]
Sent: Tuesday, April 5, 2016 11:50 AM
To: gre...@linuxfoundation.org; linux-ker...@vger.kernel.org;
de...@linuxd
Public bug reported:
Because Generation 2 virtual machines in Hyper-V are presented with a
minimal set of EFI hardware, the kernel module "hyperv_keyboard" must be
present to interact with the console keyboard. On systems with disk
encryption, the user will be prompted for the key to decrypt the d
apport-collect cannot be run when there's no keyboard.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] hy
Public bug reported:
Please rebase the Hyper-V drivers and tools in lts-xenial (and yakkity)
to the final v4.7.2 stable upstream kernel.
The following files comprise Hyper-V support in the upstream kernel:
arch/x86/kernel/cpu/mshyperv.c
arch/x86/include/asm/mshyperv.h
arch/x86/include/uapi/asm/hy
Feature request, no logs required.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
[Hyper-V] Rebase Hyper-V to 4.7.
Thanks, we'll run it through our tests.
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Title:
[Hyper-V] Rebase Hyper-V to 4.7.2 (stable)
To manage notifications about this bug go to:
https:/
@timg-tpi, the commits mentioned by Adrian above are actually to the
ixgbevf driver, updating that VF driver for Hyper-V, not Hyper-V itself.
It is a driver we can update as part of this process or should I file a
separate LP? The commits have been upstream since April.
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** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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Title:
[Hyper-V] In-flight PCI Passthrough Patches
To manag
Acknowledged, we will verify and revert.
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Title:
[Hyper-V] storvsc messages for CD-ROM medium not present tray closed
To manage notifications ab
Acknowledged, we will verify and revert.
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Title:
[Hyper-V] Rebase Hyper-V to 4.6 kernel
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Our verification continues. We encountered a crash that we've attempted
to reproduce to no avail, otherwise things look good. We're almost done.
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T
We have not recreated the one crash we observed.
** Tags removed: verification-needed-xenial
** Tags added: verification-done-xenial
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Title:
[Hy
We also passed functional and performance testing on the Azure side.
This kernel looks good, and the SR-IOV driver ixgbevf is all that
remains. Sorry for not including that in my initial request. We do
performance testing with that driver in our performance scenarios.
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Alex's patch is in commit
http://git.kernel.org/cgit/linux/kernel/git/next/linux-
next.git/commit/?id=497af84b81b98b27e9ba7aebb8a373412e328497
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Tit
issue by draining and responding to all
the heartbeat messages that maybe pending.
Signed-off-by: Long Li
Signed-off-by: K. Y. Srinivasan
CC: Stable
---
V2: Submit the patch to stable as well - Joshua R. Poulson
drivers/hv/hv_util.c | 10 +++---
1 files changed, 7 insertions
** Summary changed:
- Hyper-V Memory Ballooning re-broken in 16.04
+ [Hyper-V] Memory Ballooning re-broken in 16.04
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Title:
[Hyper-V] Memory Bal
This affects 16.10, 16.04, 14.04, and 12.04. Please apply this patch to
the HWE kernels for the LTS releases.
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Title:
[Hyper-V] do not lose pendi
Also affects: Precise
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Title:
[Hyper-V] do not lose pending heartbeat vmbus packets
To manage notifications about this bug go to:
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From: Long Li
The host keeps sending heartbeat packets independent of the
guest responding to them. Even though we respond to the heartbeat messages at
interrupt level, we can have situations where there maybe multiple heartbeat
messages pending that have not been responded to. For instance this
Steps to Reproduce:
- Cluster setup configuration (4x2)
- Windows server 2016
- Setup array for cluster
- Installed Failover Cluster and HyperV on all nodes.
- Created VMs and IOs volumes on both CSV and non-CSV (Cluster Shared Volume).
- Started I/O on VMs.
- Started graceful node failover test, b
Public bug reported:
The Hyper-V netvsc driver was looking at the incorrect status bits
in the checksum info. It was setting the receive checksum unnecessary
flag based on the IP header checksum being correct. The checksum
flag is skb is about TCP and UDP checksum status. Because of this
bug, any
This affects 16.10, 16.04, 14.04, and 12.04. Please update the ongoing
HWE kernels.
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Title:
[Hyper-V] netvsc: fix incorrect receive checksum offl
Chris, have these test kernels been tried?
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Title:
[Hyper-V] do not lose pending heartbeat vmbus packets
To manage notifications about this bug
Upstream kernel commit ID 407a3aee6ee2d2cb46d9ba3fc380bc29f35d020c
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Title:
[Hyper-V] do not lose pending heartbeat vmbus packets
To manage notif
Upstream commit ID e52fed7177f742c27de2cc5314790aebb6
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Title:
[Hyper-V] netvsc: fix incorrect receive checksum offloading
To manage notification
The test kernels were okay, should we be testing -proposed?
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Title:
[Hyper-V] do not lose pending heartbeat vmbus packets
To manage notification
If testing on CentOS, it would be interesting to see if there's a
reproduction with LIS 4.0.11 or 4.1 (just released) which are much
closer in VSS bits to the Ubuntu versions than the CentOS built-in LIS.
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Last week David Miller came back with some comments on the upstream
submission. Dexuan is going to resubmit soon.
The original 8-part series is represented in your pull with the following:
[1/8] Drivers: hv: vmbus: add a helper function to set a channel's pending send
size
[2/8] Drivers: hv: vmbu
A more comprehensive fix has been submitted upstream, but in the
meantime, we'd like the first fix to be considered for inclusion in
Wily.
The more comprehensive change is a 7-part series submitted Mar 23 in
lkml, and uses full memory barrier before making signaling decisions:
"Drivers: hv: vmbus
** Changed in: grub2 (Ubuntu)
Status: Incomplete => Confirmed
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Title:
MaaS fails to boot Hyper-V Generation 2 virtual machines
To manage
** Summary changed:
- [Hyper-V] VM Sockets
+ [Hyper-V] Hyper-V Sockets
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Title:
[Hyper-V] Hyper-V Sockets
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@trash1-z,
Application-consistent backups will fall back to filesystem system
backups as before as there is no API for informing Linux applications to
complete operations for a backup. VSS has used filesystem freeze
operations for years to do backups on Linux.
Hyper-V integration services is inte
Er, not "filesystem system" but "filesystem consistent".
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Title:
[Hyper-V] Ubuntu 14.04.2 LTS Generation 2 SCSI Errors on VSS Based
Backups
To
Per https://technet.microsoft.com/en-us/library/dn531029.aspx the
recommended kernel and tools to load is as follows:
# apt-get update
# apt-get install --install-recommends linux-virtual-lts-xenial
# apt-get install --install-recommends linux-tools-virtual-lts-xenial
linux-cloud-tools-virtual-lt
I have tried a number of different reproduction scenarios at this point
on 4.4.0-21 and 4.4.0-22 and am not getting 100% except on a fresh
install.
Why are you modprobing hv_balloon? It should always be present and
should never need to be loaded manually.
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@dino.m Indeed, since the 3.16 kernel in Jessie shares a common heritage
with the 3.16 Ubuntu Utopic kernel it may indeed have the same problem.
However, until we find root cause it is difficult to carry the search
elsewhere. Since we're talking Jessie, are you having similar
difficulties with the
Josh to collect the upstream NMI submissions and put them in a comment
here.
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Title:
[Hyper-V] Kernel panic not functional on 32bit Ubuntu 14.10,
@l-ububtu-3 What was the procedure on the reinstall?
Based on my results, I will add some more checks to our long-term
testing efforts to see if ballooning messages are being dropped.
An explanation of Hyper-V dynamic memory in general is here:
https://technet.microsoft.com/en-us/library/hh831766
** Summary changed:
- [Hyper-V] Kernel panic not functional on 32bit Ubuntu 14.10 and 15.04
+ [Hyper-V] Kernel panic not functional on 32bit Ubuntu 14.10, 15.04, and 15.10
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Public bug reported:
Some additional patches for PCI Passthrough have been submitted but not
accepted upstream that are necessary for accessing multiple GPUs on the
host. These are expected to get accepted upstream, but since there is
not much time left in 16.04 I'm submitting them before they are
** Attachment added: "PATCH v5 26 drivershv Call vmbus_mmio_free() to reverse
vmbus_mmio_allocate().msg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570124/+attachment/4636239/+files/PATCH%20v5%2026%20drivershv%20Call%20vmbus_mmio_free%28%29%20to%20reverse%20vmbus_mmio_allocate%28%29
Additional comment for 1/6
** Attachment added: "PATCH v5 16 drivershv Lock access to hyperv_mmio resource
tree (2).msg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570124/+attachment/4636246/+files/PATCH%20v5%2016%20drivershv%20Lock%20access%20to%20hyperv_mmio%20resource%20tree%20%
** Attachment added: "PATCH v5 16 drivershv Lock access to hyperv_mmio resource
tree.msg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570124/+attachment/4636238/+files/PATCH%20v5%2016%20drivershv%20Lock%20access%20to%20hyperv_mmio%20resource%20tree.msg
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You received this bug noti
Additional comment for 1/6
** Attachment added: "PATCH v5 16 drivershv Lock access to hyperv_mmio resource
tree (3).msg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570124/+attachment/4636247/+files/PATCH%20v5%2016%20drivershv%20Lock%20access%20to%20hyperv_mmio%20resource%20tree%20%
Additional comment for 1/6
** Attachment added: "PATCH v5 16 drivershv Lock access to hyperv_mmio resource
tree (1).msg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570124/+attachment/4636245/+files/PATCH%20v5%2016%20drivershv%20Lock%20access%20to%20hyperv_mmio%20resource%20tree%20%
** Attachment added: "PATCH v5 06 drivershv Ensure that bridge windows don't
overlap.msg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570124/+attachment/4636237/+files/PATCH%20v5%2006%20drivershv%20Ensure%20that%20bridge%20windows%20don%27t%20overlap.msg
--
You received this bug no
** Attachment added: "PATCH v5 66 drivershv Separate out frame buffer logic
when picking MMIO range.msg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570124/+attachment/4636244/+files/PATCH%20v5%2066%20drivershv%20Separate%20out%20frame%20buffer%20logic%20when%20picking%20MMIO%20range
** Attachment added: "PATCH v5 56 drivershv Record MMIO range in use by frame
buffer.msg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570124/+attachment/4636243/+files/PATCH%20v5%2056%20drivershv%20Record%20MMIO%20range%20in%20use%20by%20frame%20buffer.msg
--
You received this bug
** Attachment added: "PATCH v5 46 drivershv Track allocations of children of
hv_vmbus in private resource tree.msg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570124/+attachment/4636242/+files/PATCH%20v5%2046%20drivershv%20Track%20allocations%20of%20children%20of%20hv_vmbus%20in%20p
** Attachment added: "PATCH v5 36 drivershv Reverse order of resources in
hyperv_mmio.msg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570124/+attachment/4636241/+files/PATCH%20v5%2036%20drivershv%20Reverse%20order%20of%20resources%20in%20hyperv_mmio.msg
--
You received this bug no
Patchset, no logs.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1570124
Title:
[Hyper-V] In-flight PCI Passthrough Patches
To
https://lkml.org/lkml/2016/4/5/941 [PATCH v5 0/6] drivers:hv: Ensure that
bridge windows don't overlap
https://lkml.org/lkml/2016/4/5/948 [PATCH v5 1/6] drivers:hv: Lock access to
hyperv_mmio resource tree
https://lkml.org/lkml/2016/4/5/943 [PATCH v5 2/6] drivers:hv: Call
vmbus_mmio_free() to re
If we could bring Hyper-V support to the same level in the HWE kernel
that would be phenomenal.
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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1519917
Title:
[Hyper-V] Rebase Hyper-V to 4.3 kernel
T
We have tested the kernel and it looks good, this is okay to go forward.
Thanks!
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https://bugs.launchpad.net/bugs/1570124
Title:
[Hyper-V] In-flight PCI Passthrough Patches
To manage n
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