** Tags added: cscc
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https://bugs.launchpad.net/bugs/1773165
Title:
openvswitch-datapath-dkms kernel module is not getting loaded
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@Andrei
Since the driver is now part of the kernel, any changes to the driver, and as a
result, the kernel will need to follow the standard upstream kernel patch
process found here:
https://www.kernel.org/doc/html/v4.17/process/submitting-patches.html
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** Tags removed: kernel-key
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Title:
openvswitch-datapath-dkms kernel module is not getting loaded
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Hello everybody,
The problem is that we have added functionality to the kernel module.
Since dkms now comes with the kernel itself, how can we add our functionality
to it?
Is there a way to gracefully replace the openvswitch kmod with our own,
also, in order to build the kernel module against
According to the Ubuntu package link, the support for openvswitch-
datapath-dkms ended in Trusty. It is not available as a DKMS package in
Xenial rather it is available as a kernel module.
https://packages.ubuntu.com/search?keywords=openvswitch-datapath-
dkms=names=all=all
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After testing it with the test kernel we found that the Linux header
contains the Openvswitch.h header files with out any OVS module
installed, and these header files are not compatible with OVS2.7, when
we tried to build the OVS kernel module"
Files contains in debian package:
dpkg -L
@Joseph Salisbury
The test kernel is also having the same issue.
Insmode Error:
root@compute2:~/ovs# insmod
/lib/modules/4.4.0-138-generic/updates/dkms/openvswitch.ko
insmod: ERROR: could not insert module
/lib/modules/4.4.0-138-generic/updates/dkms/openvswitch.ko: Invalid module
format
The DKMS package is the one from ovs 2.7.0 with some of our changes to
some Nicira extended actions
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Title:
openvswitch-datapath-dkms kernel
Also, do you recall where you got that openvswitch-datapath-dkms from.
Rmadison only reports trusty and precise versions for openvswitch-
datapath-dkms.
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I built a Xenial test kernel with a revert of the following commit:
cc62065b735f openvswitch: Delete conntrack entry clashing with an expectation.
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1773165
Can you test this kernel and see if it resolves this bug?
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Where is the openvswitch-switch-dkms package coming from? I don't
recognise the package version as anything that's being shipped in
Ubuntu?
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fwiw the 4.4 intree openvswitch module is recent and up-to-date so use
of a ovs supplied dkms module should not be required.
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Title:
Apologies for the late response. I am still seeing the issue with the
latest kernel that is (4.4.0-134)
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Title:
openvswitch-datapath-dkms kernel
@jsalsbury We are still seeing the issue, given ridsaim has not replied
lets move forward. I'd like to get some movement on this issue without
marking as a Field Critical
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** Changed in: linux (Ubuntu)
Importance: Medium => High
** Changed in: linux (Ubuntu Xenial)
Importance: Medium => High
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Title:
@Ridsai,
Are you still see this bug with the latest updates applied?
** Tags added: kernel-key
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Xenial)
apport information
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: apport-collected uec-images
** Description changed:
Distributor ID: Ubuntu
Description: Ubuntu 16.04.4 LTS
Release: 16.04
Codename: xenial
Kernel version: 4.4.0-127-generic
OVS
This issue is seen on a fresh installation when we tried to install the
Openvswitch and its kernel module on a node Also the issue was not seen
on kernel version 4.4.0-124-generic. But for kernel version 4.4.0-125
and onwards, we face this issue.
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Did this issue start happening after an update/upgrade? Was there a
kernel version where you were not having this particular problem? This
will help determine if the problem you are seeing is the result of a
regression, and when this regression was introduced. If this is a
regression, we can
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux-lts-xenial (Ubuntu)
Status: New => Confirmed
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