SRU request submitted:
https://lists.ubuntu.com/archives/kernel-team/2018-May/092740.html
** Description changed:
+ == SRU Justification ==
+ A regression was introduce in Xenial linux-image-4.4.0-127-generic. It
+ was found that this regression was introduced by mainline commit
+ b699d0035836. This commit was applied to Xenial via the 4.4.128 upstream
stable
+ updates.
+
+ Upstream decided to revert this commit in mainline commit f4eb17e1efe5,
+ which was added in v4.12-rc5.
+
+ == Fix ==
+ f4eb17e1efe5 ("Revert "sit: reload iphdr in ipip6_rcv"")
+
+ == Regression Potential ==
+ Low. This is a revert request to resolve a regression. The revert was
+ also performed upstream.
+
+ == Test Case ==
+ A test kernel was built with this patch and tested by the original bug
reporter.
+ The bug reporter states the test kernel resolved the bug.
+
+
+
Since deploying linux-image-4.4.0-127-generic (4.4.0-127.153) on a
Xenial VM with a sit tunnel, I get such messages:
May 22 10:49:38 gw kernel: [ 68.121601] sit: non-ECT from 0.0.0.0 with
TOS=0x5
Those are logged quite often:
# grep -cF 'sit: non-ECT' /var/log/syslog
9108
Reverting to linux-image-4.4.0-124-generic (4.4.0-124.148) fixes the
issue.
# lsb_release -rd
Description: Ubuntu 16.04.4 LTS
Release: 16.04
# apt-cache policy linux-image-4.4.0-127-generic
linux-image-4.4.0-127-generic:
- Installed: 4.4.0-127.153
- Candidate: 4.4.0-127.153
- Version table:
- *** 4.4.0-127.153 500
- 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
- 500 http://security.ubuntu.com/ubuntu xenial-security/main amd64
Packages
- 100 /var/lib/dpkg/status
+ Installed: 4.4.0-127.153
+ Candidate: 4.4.0-127.153
+ Version table:
+ *** 4.4.0-127.153 500
+ 500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
+ 500 http://security.ubuntu.com/ubuntu xenial-security/main amd64
Packages
+ 100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-127-generic 4.4.0-127.153
ProcVersionSignature: Ubuntu 4.4.0-127.153-generic 4.4.128
Uname: Linux 4.4.0-127-generic x86_64
AlsaDevices:
- total 0
- crw-rw---- 1 root audio 116, 1 May 22 20:08 seq
- crw-rw---- 1 root audio 116, 33 May 22 20:08 timer
+ total 0
+ crw-rw---- 1 root audio 116, 1 May 22 20:08 seq
+ crw-rw---- 1 root audio 116, 33 May 22 20:08 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.1-0ubuntu2.17
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: [Errno 2] No such file or directory: 'fuser'
CRDA: N/A
Date: Tue May 22 21:18:45 2018
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lspci: Error: [Errno 2] No such file or directory: 'lspci'
Lsusb: Error: [Errno 2] No such file or directory: 'lsusb'
MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
PciMultimedia:
-
+
ProcEnviron:
- TERM=xterm
- PATH=(custom, no user)
- LANG=en_US.UTF-8
- SHELL=/bin/bash
+ TERM=xterm
+ PATH=(custom, no user)
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-127-generic
root=UUID=67f7ee15-64f4-4c85-805c-08386d5fed8b ro console=ttyS0 net.ifnames=0
kaslr vsyscall=none nmi_watchdog=0 possible_cpus=1 pti=on nr_cpus=1
RelatedPackageVersions:
- linux-restricted-modules-4.4.0-127-generic N/A
- linux-backports-modules-4.4.0-127-generic N/A
- linux-firmware N/A
+ linux-restricted-modules-4.4.0-127-generic N/A
+ linux-backports-modules-4.4.0-127-generic N/A
+ linux-firmware N/A
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/01/2014
dmi.bios.vendor: SeaBIOS
dmi.bios.version: Ubuntu-1.8.2-1ubuntu1
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-i440fx-2.5
dmi.modalias:
dmi:bvnSeaBIOS:bvrUbuntu-1.8.2-1ubuntu1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-2.5:cvnQEMU:ct1:cvrpc-i440fx-2.5:
dmi.product.name: Standard PC (i440FX + PIIX, 1996)
dmi.product.version: pc-i440fx-2.5
dmi.sys.vendor: QEMU
- ---
+ ---
AlsaDevices:
- total 0
- crw-rw---- 1 root audio 116, 1 May 22 21:33 seq
- crw-rw---- 1 root audio 116, 33 May 22 21:33 timer
+ total 0
+ crw-rw---- 1 root audio 116, 1 May 22 21:33 seq
+ crw-rw---- 1 root audio 116, 33 May 22 21:33 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.20.1-0ubuntu2.17
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: [Errno 2] No such file or directory
CRDA: N/A
DistroRelease: Ubuntu 16.04
IwConfig: Error: [Errno 2] No such file or directory
Lspci: Error: [Errno 2] No such file or directory
Lsusb: Error: [Errno 2] No such file or directory
MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
Package: linux (not installed)
PciMultimedia:
-
+
ProcEnviron:
- TERM=xterm
- PATH=(custom, no user)
- LANG=en_US.UTF-8
- SHELL=/bin/bash
+ TERM=xterm
+ PATH=(custom, no user)
+ LANG=en_US.UTF-8
+ SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-124-generic
root=UUID=67f7ee15-64f4-4c85-805c-08386d5fed8b ro kaslr net.ifnames=0
nmi_watchdog=0 nr_cpus=1 pti=on console=ttyS0 vsyscall=none
ProcVersionSignature: Ubuntu 4.4.0-124.148-generic 4.4.117
RelatedPackageVersions:
- linux-restricted-modules-4.4.0-124-generic N/A
- linux-backports-modules-4.4.0-124-generic N/A
- linux-firmware N/A
+ linux-restricted-modules-4.4.0-124-generic N/A
+ linux-backports-modules-4.4.0-124-generic N/A
+ linux-firmware N/A
RfKill: Error: [Errno 2] No such file or directory
Tags: xenial
Uname: Linux 4.4.0-124-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
-
+
_MarkForUpload: True
dmi.bios.date: 04/01/2014
dmi.bios.vendor: SeaBIOS
dmi.bios.version: Ubuntu-1.8.2-1ubuntu1
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-i440fx-2.5
dmi.modalias:
dmi:bvnSeaBIOS:bvrUbuntu-1.8.2-1ubuntu1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-2.5:cvnQEMU:ct1:cvrpc-i440fx-2.5:
dmi.product.name: Standard PC (i440FX + PIIX, 1996)
dmi.product.version: pc-i440fx-2.5
dmi.sys.vendor: QEMU
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1772775
Title:
4.4.0-127.153 generates many "sit: non-ECT" messages
Status in linux package in Ubuntu:
Invalid
Status in linux source package in Xenial:
In Progress
Bug description:
== SRU Justification ==
A regression was introduce in Xenial linux-image-4.4.0-127-generic. It
was found that this regression was introduced by mainline commit
b699d0035836. This commit was applied to Xenial via the 4.4.128 upstream
stable
updates.
Upstream decided to revert this commit in mainline commit f4eb17e1efe5,
which was added in v4.12-rc5.
== Fix ==
f4eb17e1efe5 ("Revert "sit: reload iphdr in ipip6_rcv"")
== Regression Potential ==
Low. This is a revert request to resolve a regression. The revert was
also performed upstream.
== Test Case ==
A test kernel was built with this patch and tested by the original bug
reporter.
The bug reporter states the test kernel resolved the bug.
Since deploying linux-image-4.4.0-127-generic (4.4.0-127.153) on a
Xenial VM with a sit tunnel, I get such messages:
May 22 10:49:38 gw kernel: [ 68.121601] sit: non-ECT from 0.0.0.0
with TOS=0x5
Those are logged quite often:
# grep -cF 'sit: non-ECT' /var/log/syslog
9108
Reverting to linux-image-4.4.0-124-generic (4.4.0-124.148) fixes the
issue.
# lsb_release -rd
Description: Ubuntu 16.04.4 LTS
Release: 16.04
# apt-cache policy linux-image-4.4.0-127-generic
linux-image-4.4.0-127-generic:
Installed: 4.4.0-127.153
Candidate: 4.4.0-127.153
Version table:
*** 4.4.0-127.153 500
500 http://archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main amd64
Packages
100 /var/lib/dpkg/status
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-127-generic 4.4.0-127.153
ProcVersionSignature: Ubuntu 4.4.0-127.153-generic 4.4.128
Uname: Linux 4.4.0-127-generic x86_64
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 May 22 20:08 seq
crw-rw---- 1 root audio 116, 33 May 22 20:08 timer
AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
ApportVersion: 2.20.1-0ubuntu2.17
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
AudioDevicesInUse: Error: [Errno 2] No such file or directory: 'fuser'
CRDA: N/A
Date: Tue May 22 21:18:45 2018
IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
Lspci: Error: [Errno 2] No such file or directory: 'lspci'
Lsusb: Error: [Errno 2] No such file or directory: 'lsusb'
MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-127-generic
root=UUID=67f7ee15-64f4-4c85-805c-08386d5fed8b ro console=ttyS0 net.ifnames=0
kaslr vsyscall=none nmi_watchdog=0 possible_cpus=1 pti=on nr_cpus=1
RelatedPackageVersions:
linux-restricted-modules-4.4.0-127-generic N/A
linux-backports-modules-4.4.0-127-generic N/A
linux-firmware N/A
RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/01/2014
dmi.bios.vendor: SeaBIOS
dmi.bios.version: Ubuntu-1.8.2-1ubuntu1
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-i440fx-2.5
dmi.modalias:
dmi:bvnSeaBIOS:bvrUbuntu-1.8.2-1ubuntu1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-2.5:cvnQEMU:ct1:cvrpc-i440fx-2.5:
dmi.product.name: Standard PC (i440FX + PIIX, 1996)
dmi.product.version: pc-i440fx-2.5
dmi.sys.vendor: QEMU
---
AlsaDevices:
total 0
crw-rw---- 1 root audio 116, 1 May 22 21:33 seq
crw-rw---- 1 root audio 116, 33 May 22 21:33 timer
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.20.1-0ubuntu2.17
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: [Errno 2] No such file or directory
CRDA: N/A
DistroRelease: Ubuntu 16.04
IwConfig: Error: [Errno 2] No such file or directory
Lspci: Error: [Errno 2] No such file or directory
Lsusb: Error: [Errno 2] No such file or directory
MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
Package: linux (not installed)
PciMultimedia:
ProcEnviron:
TERM=xterm
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-124-generic
root=UUID=67f7ee15-64f4-4c85-805c-08386d5fed8b ro kaslr net.ifnames=0
nmi_watchdog=0 nr_cpus=1 pti=on console=ttyS0 vsyscall=none
ProcVersionSignature: Ubuntu 4.4.0-124.148-generic 4.4.117
RelatedPackageVersions:
linux-restricted-modules-4.4.0-124-generic N/A
linux-backports-modules-4.4.0-124-generic N/A
linux-firmware N/A
RfKill: Error: [Errno 2] No such file or directory
Tags: xenial
Uname: Linux 4.4.0-124-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 04/01/2014
dmi.bios.vendor: SeaBIOS
dmi.bios.version: Ubuntu-1.8.2-1ubuntu1
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-i440fx-2.5
dmi.modalias:
dmi:bvnSeaBIOS:bvrUbuntu-1.8.2-1ubuntu1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-2.5:cvnQEMU:ct1:cvrpc-i440fx-2.5:
dmi.product.name: Standard PC (i440FX + PIIX, 1996)
dmi.product.version: pc-i440fx-2.5
dmi.sys.vendor: QEMU
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