** Changed in: ubuntu-z-systems
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1756322
Title:
'netplan apply' fails when trying to activate another interface on
another QETH device ...
Status in netplan:
New
Status in Ubuntu on IBM z Systems:
Fix Released
Status in netplan.io package in Ubuntu:
Fix Released
Status in systemd package in Ubuntu:
Invalid
Bug description:
When trying to add another interface for a QETH device on a s390x
system netplan apply fails:
sudo netplan apply
Cannot replug encc003: [Errno 19] No such device
Traceback (most recent call last):
File "/usr/sbin/netplan", line 23, in <module>
netplan.main()
File "/usr/share/netplan/netplan/cli/core.py", line 50, in main
self.run_command()
File "/usr/share/netplan/netplan/cli/utils.py", line 110, in run_command
self.func()
File "/usr/share/netplan/netplan/cli/commands/apply.py", line 40, in run
self.run_command()
File "/usr/share/netplan/netplan/cli/utils.py", line 110, in run_command
self.func()
File "/usr/share/netplan/netplan/cli/commands/apply.py", line 87, in
command_apply
stdout=fd, stderr=fd)
File "/usr/lib/python3.6/subprocess.py", line 291, in check_call
raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['udevadm', 'test-builtin',
'net_setup_link', '/sys/class/net/encc003']' returned non-zero exit status 4.
It seems like rebinding of qeth devices is not allowed.
With qeth devices, I guess one needs to "offline & online" them...
Or like unbind a whole group of them, as there are three of them per
interface.
ubuntu@s1lp14:/sys/class/net/encc006/device$ ls -latr
total 0
drwxr-xr-x 5 root root 0 Mar 16 02:06 ..
-rw-r--r-- 1 root root 4096 Mar 16 13:44 uevent
drwxr-xr-x 6 root root 0 Mar 16 13:44 .
-rw-r--r-- 1 root root 4096 Mar 16 13:44 online
lrwxrwxrwx 1 root root 0 Mar 16 13:44 subsystem -> ../../../bus/ccwgroup
lrwxrwxrwx 1 root root 0 Mar 16 13:44 driver ->
../../../bus/ccwgroup/drivers/qeth
drwxr-xr-x 2 root root 0 Mar 16 13:44 vnicc
--w------- 1 root root 4096 Mar 16 13:44 recover
-rw-r--r-- 1 root root 4096 Mar 16 13:44 priority_queueing
-rw-r--r-- 1 root root 4096 Mar 16 13:44 portno
-rw-r--r-- 1 root root 4096 Mar 16 13:44 portname
-rw-r--r-- 1 root root 4096 Mar 16 13:44 performance_stats
-rw-r--r-- 1 root root 4096 Mar 16 13:44 layer2
-rw-r--r-- 1 root root 4096 Mar 16 13:44 isolation
-rw-r--r-- 1 root root 4096 Mar 16 13:44 hw_trap
lrwxrwxrwx 1 root root 0 Mar 16 13:44 cdev2 -> ../../css0/0.0.0bb4/0.0.c008
lrwxrwxrwx 1 root root 0 Mar 16 13:44 cdev1 -> ../../css0/0.0.0bb3/0.0.c007
lrwxrwxrwx 1 root root 0 Mar 16 13:44 cdev0 -> ../../css0/0.0.0bb2/0.0.c006
-rw-r--r-- 1 root root 4096 Mar 16 13:44 buffer_count
-rw-r--r-- 1 root root 4096 Mar 16 13:44 bridge_role
-rw-r--r-- 1 root root 4096 Mar 16 13:44 bridge_reflect_promisc
-rw-r--r-- 1 root root 4096 Mar 16 13:44 bridge_hostnotify
--w------- 1 root root 4096 Mar 16 13:50 ungroup
-r--r--r-- 1 root root 4096 Mar 16 13:50 switch_attrs
-r--r--r-- 1 root root 4096 Mar 16 13:50 state
drwxr-xr-x 2 root root 0 Mar 16 13:50 power
-r--r--r-- 1 root root 4096 Mar 16 13:50 inbuf_size
-r--r--r-- 1 root root 4096 Mar 16 13:50 if_name
-r--r--r-- 1 root root 4096 Mar 16 13:50 chpid
-r--r--r-- 1 root root 4096 Mar 16 13:50 card_type
-r--r--r-- 1 root root 4096 Mar 16 13:50 bridge_state
drwxr-xr-x 2 root root 0 Mar 16 13:50 blkt
drwxr-xr-x 3 root root 0 Mar 16 13:50 net
$ echo 'encc006' | sudo tee driver/unbind
encc006
tee: driver/unbind: No such device
$ echo 'cdev0' | sudo tee driver/unbind
cdev0
tee: driver/unbind: No such device
$ echo '0.0.c006' | sudo tee driver/unbind
0.0.c006
ubuntu@s1lp14:/sys/class/net/encc006/device$ Mar 16 13:52:28 s1lp14
sudo[8046]: ubuntu : TTY=pts/1 ; PWD=/sys/devices/qeth/0.0.c006 ; USER=root ;
COMMAND=/usr/bin/tee driver/unbind
Mar 16 13:52:28 s1lp14 sudo[8046]: pam_unix(sudo:session): session opened for
user root by ubuntu(uid=0)
Mar 16 13:52:28 s1lp14 systemd-networkd[7772]: encc006: Lost carrier
Mar 16 13:52:28 s1lp14 systemd-timesyncd[1078]: Network configuration
changed, trying to establish connection.
Mar 16 13:52:28 s1lp14 systemd-timesyncd[1078]: Synchronized to time server
91.189.89.198:123 (ntp.ubuntu.com).
Mar 16 13:52:28 s1lp14 systemd-networkd[7772]: encc006.2653: Lost carrier
Mar 16 13:52:28 s1lp14 systemd-timesyncd[1078]: Network configuration
changed, trying to establish connection.
Mar 16 13:52:28 s1lp14 kernel: failed to kill vid 8100/2653 for device encc006
Mar 16 13:52:28 s1lp14 sudo[8046]: pam_unix(sudo:session): session closed for
user root
Mar 16 13:52:28 s1lp14 systemd-timesyncd[1078]: Synchronized to time server
91.189.89.198:123 (ntp.ubuntu.com).
However rebinding like that does not work.
Either qeth devices should be skipped, or one should operate on the
whole group of them, simulating chzdev -d c006; chzdev -e c006 -> or
just calling that.
Note that the device id to pass to chzdev is the whever device symlink
points to, e.g. 0.0.c006 in this case:
$ ls -latr /sys/class/net/encc006/device
lrwxrwxrwx 1 root root 0 Mar 16 13:55 /sys/class/net/encc006/device ->
../../../0.0.c006
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