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Message #139058
[Bug 1504154] Re: OVS with GRE tunnels no longer works
apport information
** Tags added: apport-collected
** Description changed:
I have OpenStack environment with OVS with GRE tunnels between Compute
nodes.
All nodes OpenStack nodes have:
Description: Ubuntu 14.04.2 LTS
Release: 14.04
After upgrading kernel from 3.13.0-45 to 3.13.0-46 on one Compute node OpenStack networking on this node no longer works.
It also does not work on any newer version up to 3.13.0-65.
Everything looks OK, bridges and ports are configured in OVS, but there
is no communication - VMs can't receive network configuration from DHCP
agent running on another server.
The same is with 3.16 kernel:
Last working version is 3.16.0-30.
With version 3.16.0-31and newer up to 3.16.0-50 network communication does not work.
I analyzed changes included in 3.13.0-46 and 3.16.0-31 and both have the same change regarding GRE:
* gre: fix the inner mac header in nbma tunnel xmit path
Maybe this is the reason?
+ ---
+ AlsaDevices:
+ total 0
+ crw-rw---- 1 root audio 116, 1 Oct 8 15:38 seq
+ crw-rw---- 1 root audio 116, 33 Oct 8 15:38 timer
+ AplayDevices: Error: [Errno 2] No such file or directory
+ ApportVersion: 2.14.1-0ubuntu3.7
+ Architecture: amd64
+ ArecordDevices: Error: [Errno 2] No such file or directory
+ AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
+ CRDA: Error: [Errno 2] No such file or directory
+ DistroRelease: Ubuntu 14.04
+ HibernationDevice: RESUME=/dev/mapper/stack--nova03--vg-swap_1
+ InstallationDate: Installed on 2015-06-25 (105 days ago)
+ InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
+ MachineType: Dell Inc. PowerEdge R710
+ Package: linux (not installed)
+ PciMultimedia:
+
+ ProcEnviron:
+ LANGUAGE=en_US.UTF-8
+ TERM=xterm
+ PATH=(custom, no user)
+ XDG_RUNTIME_DIR=<set>
+ SHELL=/bin/bash
+ ProcFB: 0 VESA VGA
+ ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-30-generic root=/dev/mapper/stack--nova03--vg-root ro
+ ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
+ RelatedPackageVersions:
+ linux-restricted-modules-3.16.0-30-generic N/A
+ linux-backports-modules-3.16.0-30-generic N/A
+ linux-firmware 1.127.11
+ RfKill: Error: [Errno 2] No such file or directory
+ Tags: trusty
+ Uname: Linux 3.16.0-30-generic x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups:
+
+ _MarkForUpload: True
+ dmi.bios.date: 07/23/2013
+ dmi.bios.vendor: Dell Inc.
+ dmi.bios.version: 6.4.0
+ dmi.board.name: 0N047H
+ dmi.board.vendor: Dell Inc.
+ dmi.board.version: A03
+ dmi.chassis.type: 23
+ dmi.chassis.vendor: Dell Inc.
+ dmi.modalias: dmi:bvnDellInc.:bvr6.4.0:bd07/23/2013:svnDellInc.:pnPowerEdgeR710:pvr:rvnDellInc.:rn0N047H:rvrA03:cvnDellInc.:ct23:cvr:
+ dmi.product.name: PowerEdge R710
+ dmi.sys.vendor: Dell Inc.
** Attachment added: "BootDmesg.txt"
https://bugs.launchpad.net/bugs/1504154/+attachment/4488712/+files/BootDmesg.txt
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https://bugs.launchpad.net/bugs/1504154
Title:
OVS with GRE tunnels no longer works
Status in linux package in Ubuntu:
Confirmed
Bug description:
I have OpenStack environment with OVS with GRE tunnels between Compute
nodes.
All nodes OpenStack nodes have:
Description: Ubuntu 14.04.2 LTS
Release: 14.04
After upgrading kernel from 3.13.0-45 to 3.13.0-46 on one Compute node OpenStack networking on this node no longer works.
It also does not work on any newer version up to 3.13.0-65.
Everything looks OK, bridges and ports are configured in OVS, but
there is no communication - VMs can't receive network configuration
from DHCP agent running on another server.
The same is with 3.16 kernel:
Last working version is 3.16.0-30.
With version 3.16.0-31and newer up to 3.16.0-50 network communication does not work.
I analyzed changes included in 3.13.0-46 and 3.16.0-31 and both have the same change regarding GRE:
* gre: fix the inner mac header in nbma tunnel xmit path
Maybe this is the reason?
---
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 Oct 8 15:38 seq
crw-rw---- 1 root audio 116, 33 Oct 8 15:38 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.14.1-0ubuntu3.7
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=/dev/mapper/stack--nova03--vg-swap_1
InstallationDate: Installed on 2015-06-25 (105 days ago)
InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: Dell Inc. PowerEdge R710
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
LANGUAGE=en_US.UTF-8
TERM=xterm
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-30-generic root=/dev/mapper/stack--nova03--vg-root ro
ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
RelatedPackageVersions:
linux-restricted-modules-3.16.0-30-generic N/A
linux-backports-modules-3.16.0-30-generic N/A
linux-firmware 1.127.11
RfKill: Error: [Errno 2] No such file or directory
Tags: trusty
Uname: Linux 3.16.0-30-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 07/23/2013
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 6.4.0
dmi.board.name: 0N047H
dmi.board.vendor: Dell Inc.
dmi.board.version: A03
dmi.chassis.type: 23
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr6.4.0:bd07/23/2013:svnDellInc.:pnPowerEdgeR710:pvr:rvnDellInc.:rn0N047H:rvrA03:cvnDellInc.:ct23:cvr:
dmi.product.name: PowerEdge R710
dmi.sys.vendor: Dell Inc.
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References
