** Changed in: linux (Ubuntu)
Status: Fix Committed => Fix Released
** Changed in: linux (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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This bug was fixed in the package linux - 4.13.0-36.40
---
linux (4.13.0-36.40) artful; urgency=medium
* linux: 4.13.0-36.40 -proposed tracker (LP: #1750010)
* Rebuild without "CVE-2017-5754 ARM64 KPTI fixes" patch set
linux (4.13.0-35.39) artful; urgency=medium
* linux: 4.13
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-
xenial' to 'verification-done-xenial'. If the problem still exists,
change the tag 'verifica
disregard that last comment, it was caused by a buggy script
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Title:
4.13: unable to increase MTU configuration for GRE devices
To manage notifi
LGTM to artful-proposed:
15: gre_sys@NONE: mtu 65000 qdisc pfifo_fast
master ovs-system state UNKNOWN mode DEFAULT group default qlen 1000
link/ether 92:92:4d:84:14:1d brd ff:ff:ff:ff:ff:ff
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 17.10
Re
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 'verifica
Appreciate the kernel team has been pretty busy the last few months; is
there an ETA on when this fix might make it into the 4.13 kernels? I
know we've pushed the HWE kernel version forward for xenial - so any
OpenStack deployments using HWE with GRE tunnels will hit this problem.
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Title:
4.13: unable to increase MTU configuration for GRE devices
To manage notifications about this bug go to:
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** Changed in: linux (Ubuntu Bionic)
Status: In Progress => Fix Committed
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Title:
4.13: unable to increase MTU configuration for GRE devic
Submitted Artful and Bionic SRU requests:
https://lists.ubuntu.com/archives/kernel-team/2018-January/089420.html
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Title:
4.13: unable to increase
** Also affects: linux (Ubuntu Bionic)
Importance: Medium
Assignee: Joseph Salisbury (jsalisbury)
Status: In Progress
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Title:
4.13
Thanks for testing, James. I'll submit an SRU request for this commit
to be included in the Ubuntu kernel.
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Title:
4.13: unable to increase MTU
Hi Joseph
I reconfirmed the bug on the current artful kernel, upgraded to your
test kernel and I can confirm that the test kernel resolves the issue:
7: gre_sys@NONE: mtu 65000 qdisc pfifo_fast
master ovs-system state UNKNOWN mode DEFAULT group default qlen 1000
link/ether 3a:14:f5:6d:cd:93
I built a test kernel with commit cfddd4c. The test kernel can be downloaded
from:
http://kernel.ubuntu.com/~jsalisbury/lp1743746
Can you test this kernel and see if it resolves this bug?
Note, to test this kernel, you need to install both the linux-image and
linux-image-extra .deb packages.
T
** Also affects: linux (Ubuntu Artful)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Triaged => In Progress
** Changed in: linux (Ubuntu Artful)
Status: New => In Progress
** Changed in: linux (Ubuntu Artful)
Importance: Undecided => Medium
*
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
** Tags added: kernel-da-key
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
4.13: unable to increase MTU configuration for GRE devices
To manag
** Description changed:
+ [Impact]
+ GRE overlay networks can't carry traffic with MTU > 1500
+
+ [Test Case]
+
+ [Regression Potential]
+
+
+ [Bug Report]
+
Under Linux 4.13 its not possible to configure GRE tunnel devices with a
MTU larger than 1500; this impacts on Open vSwitch (which
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