I was looking at the test fail in proposed migration.
I realized it fails on ppc64 since 14th August 2017 (and since then it
always fails, confirmed by a retry and [1] - even in Artful it fails
since then).
It unfortunately fails without any message.
I found in hints-ubuntu/vorlon
# regressed in release; maybe related to resolved/netplan.
force-badtest ifupdown/0.8.16ubuntu2/ppc64el
I tried to recreate that in a VM on ppc.
1. installing ifupdown gives a valid /e/n/i to run the test
2. Test exec reproduces the issue we see in CI
Verbose log
+ IFACE=sdtest42
+ [ -e /sys/class/net/sdtest42 ]
+ grep -q source-directory .*interfaces.d /etc/network/interfaces
+ grep -q source .*interfaces.d.*cfg /etc/network/interfaces
+ IFACE_CFG=/etc/network/interfaces.d/sdtest42.cfg
+ cat
+ ip link add name sdtest42 type veth peer name vsdtest42
+ trap ip link del dev sdtest42; rm /etc/network/interfaces.d/sdtest42.cfg EXIT
INT QUIT PIPE
+ sleep 3
+ ifquery --state sdtest42
+ ip link del dev sdtest42
+ rm /etc/network/interfaces.d/sdtest42.cfg
That means the ifquery fails, and the set -e triggers the trap
=> No message, buu RC=1
Comparing x86/ppc on this in detail
1. VM fresh from cloud image (20180321)
=> no /etc/network/interfaces
2. installed (current) ifupdown
$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d
3. purged ifupdown
leaves e/n/i
4. reinstall from proposed
still the same e/n/i
=> Until here all is fine, and if installing ifupdown (on a fresh system) drops
/e/n/i that explains why no test goes to the SKIP condition.
5. Set up prep steps as the test does
IFACE_CFG=/etc/network/interfaces.d/sdtest42.cfg
IFACE=sdtest42
cat <<EOF > $IFACE_CFG
allow-hotplug $IFACE
iface $IFACE inet static
address 192.168.234.129
netmask 255.255.255.0
EOF
=> check status (before adding dev via IP)
$ systemctl status -l ifup@sdtest42.service; ifquery -l --allow=hotplug;
ifquery sdtest42;
● ifup@sdtest42.service - ifup for sdtest42
Loaded: loaded (/lib/systemd/system/ifup@.service; static; vendor preset:
enabled)
Active: inactive (dead)
Unknown interface sdtest42
# The same on x86 and ppc64
6. add dev (comment says: these should trigger uevents and ifup@.service)
$ ip link add name $IFACE type veth peer name v$IFACE
Check status again shows it is still as dead as before.
# systemctl status -l ifup@sdtest42.service; ifquery -l --allow=hotplug;
ifquery sdtest42;
● ifup@sdtest42.service - ifup for sdtest42
Loaded: loaded (/lib/systemd/system/ifup@.service; static; vendor preset:
enabled)
Active: inactive (dead)
Unknown interface sdtest42
The device itself is there after the add
$ ll /sys/class/net/sdtest42
lrwxrwxrwx 1 root root 0 Mär 22 07:20 /sys/class/net/sdtest42 ->
../../devices/virtual/net/sdtest42/
ifquery does not find the device config (here as it should look like on xenial):
$ ifquery sdtest42
address: 192.168.234.129
netmask: 255.255.255.0
broadcast: 192.168.234.255
7. I tried to fix via enabling old style networking
$ systemctl disable systemd-networkd.socket
$ systemctl stop systemd-networkd
$ systemctl restart networking
But it is still behaving the same.
It should fail on all architecture targets just the same.
Currently I assume that the non-x86 CI-test targets have some setup done to let
them behave more like they did in the past.
I can't see it yet in my clean test environment, so no fix for today.
Instead for now lets bump the test hint (and add a bugno to this one so that
the next taking a look has this pre-check available).
MP with that change available at [2].
[1]: http://autopkgtest.ubuntu.com/packages/ifupdown/bionic/ppc64el
[2]:
https://code.launchpad.net/~paelzer/britney/hints-ubuntu-ifupdown-18.04/+merge/341883
** Branch linked: lp:~paelzer/britney/hints-ubuntu-ifupdown-18.04
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to ifupdown in Ubuntu.
https://bugs.launchpad.net/bugs/1756846
Title:
bridge-utils incompatible with ifupdown on bionic
Status in ifupdown package in Ubuntu:
Fix Committed
Bug description:
$ apt-cache policy ifupdown bridge-utils
ifupdown:
Installed: (none)
Candidate: 0.8.16ubuntu2
Version table:
0.8.16ubuntu2 500
500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
100 /var/lib/dpkg/status
bridge-utils:
Installed: 1.5-15ubuntu1
Candidate: 1.5-15ubuntu1
Version table:
*** 1.5-15ubuntu1 500
500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
100 /var/lib/dpkg/status
$ sudo apt-get install ifupdown
Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
rdnssd
The following packages will be REMOVED
bridge-utils
The following NEW packages will be installed
ifupdown
0 to upgrade, 1 to newly install, 1 to remove and 0 not to upgrade.
Need to get 55.2 kB of archives.
After this operation, 119 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Get:1 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 ifupdown amd64
0.8.16ubuntu2 [55.2 kB]
Fetched 55.2 kB in 0s (1,280 kB/s)
(Reading database ... 251311 files and directories currently installed.)
Removing bridge-utils (1.5-15ubuntu1) ...
Selecting previously unselected package ifupdown.
(Reading database ... 251286 files and directories currently installed.)
Preparing to unpack .../ifupdown_0.8.16ubuntu2_amd64.deb ...
Unpacking ifupdown (0.8.16ubuntu2) ...
Setting up ifupdown (0.8.16ubuntu2) ...
Processing triggers for ureadahead (0.100.0-20) ...
ureadahead will be reprofiled on next reboot
Processing triggers for systemd (237-3ubuntu4) ...
Processing triggers for man-db (2.8.2-1) ...
$ sudo apt-get install bridge-utils
Reading package lists... Done
Building dependency tree
Reading state information... Done
Suggested packages:
ifupdown
The following packages will be REMOVED
ifupdown
The following NEW packages will be installed
bridge-utils
0 to upgrade, 1 to newly install, 1 to remove and 0 not to upgrade.
Need to get 0 B/30.1 kB of archives.
After this operation, 119 kB disk space will be freed.
Do you want to continue? [Y/n] y
(Reading database ... 251318 files and directories currently installed.)
Removing ifupdown (0.8.16ubuntu2) ...
Selecting previously unselected package bridge-utils.
(Reading database ... 251286 files and directories currently installed.)
Preparing to unpack .../bridge-utils_1.5-15ubuntu1_amd64.deb ...
Unpacking bridge-utils (1.5-15ubuntu1) ...
Setting up bridge-utils (1.5-15ubuntu1) ...
Processing triggers for man-db (2.8.2-1) ...
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https://bugs.launchpad.net/ubuntu/+source/ifupdown/+bug/1756846/+subscriptions
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