This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1713535
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: artful
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https://bugs.launchpad.net/bugs/1713535
Title:
No /dev/watchdog on NUC6CAYS devices with iTCO_wdt
Status in linux package in Ubuntu:
Incomplete
Bug description:
It looks like iTCO_wdt won't properly setup a /dev/watchdog device on
Intel recent Celeron NUCs (NUC6CAYS).
```
# uname -a
Linux player-ef15 4.11.0-14-generic #20~16.04.1-Ubuntu SMP Wed Aug 9 09:06:22
UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.3 LTS
Release: 16.04
Codename: xenial
```
Modules are properly loaded (but looks like it is not used)
```
# lsmod | grep -e dog -e wdt
iTCO_wdt 16384 0
iTCO_vendor_support 16384 1 iTCO_wdt
```
No device found in kernel.log:
```
Aug 28 18:49:56 player-ef15 kernel: [ 14.192689] iTCO_vendor_support:
vendor-support=0
Aug 28 18:49:56 player-ef15 kernel: [ 14.198585] iTCO_wdt: Intel TCO
WatchDog Timer Driver v1.11
```
No device found by the service:
```
# service watchdog status
● watchdog.service - watchdog daemon
Loaded: loaded (/lib/systemd/system/watchdog.service; enabled; vendor
preset: enabled)
Active: active (running) since lun. 2017-08-28 18:49:56 CEST; 17s ago
Process: 2763 ExecStart=/bin/sh -c [ $run_watchdog != 1 ] || exec
/usr/sbin/watchdog $watchdog_options (code=exited, status=0/SUCCESS)
Process: 2758 ExecStartPre=/bin/sh -c [ -z "${watchdog_module}" ] || [
"${watchdog_module}" = "none" ] || /sbin/modprobe $watchdog_module
(code=exited, status=0/SUCCESS)
Main PID: 2768 (watchdog)
Tasks: 1
Memory: 732.0K
CPU: 13ms
CGroup: /system.slice/watchdog.service
└─2768 /usr/sbin/watchdog
août 28 18:49:56 player-ef15 systemd[1]: Started watchdog daemon.
août 28 18:49:56 player-ef15 watchdog[2768]: starting daemon (5.14):
août 28 18:49:56 player-ef15 watchdog[2768]: int=1s realtime=yes sync=no
soft=no mla=0 mem=0
août 28 18:49:56 player-ef15 watchdog[2768]: ping: no machine to check
août 28 18:49:56 player-ef15 watchdog[2768]: file: no file to check
août 28 18:49:56 player-ef15 watchdog[2768]: pidfile: no server process to
check
août 28 18:49:56 player-ef15 watchdog[2768]: interface: no interface to check
août 28 18:49:56 player-ef15 watchdog[2768]: temperature: no sensors to check
août 28 18:49:56 player-ef15 watchdog[2768]: test=none(0) repair=none(0)
alive=/dev/watchdog heartbeat=none to=root no_act=no force=no
août 28 18:49:56 player-ef15 watchdog[2768]: cannot open /dev/watchdog (errno
= 2 = 'No such file or directory')
```
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