[yocto] Yocto image systemd debugging

[Lukasz Zemla]

On Friday, May 10, 2019 10:09 AM, JH wrote:
> > What do you mean by debug?
> > In most cases 'systemctl status <service>', 'systemctl --failed', 
> > system-analyze and journalctl are efficient. Sometimes I set 
> > 'StandardOutput=journal+console'
> > in service file to just see output during booting.
> 
> There is an ofono.service which failed by systemd service, but there were 
> no problems if I start it manually, the systemctl status <service>', 
> 'systemctl --failed' told me it failed but did not tell me why it was failed 
> and what was the cause. Hence I asked how to debug it, I guess your advice 
> is to change following ofono.service StandardError='journal+console', correct?
> 
> cat /lib/systemd/system/ofono.service
> [Unit]
> Description=Telephony service
> After=syslog.target
> 
> [Service]
> Type=dbus
> BusName=org.ofono
> ExecStart=/usr/sbin/ofonod -n
> StandardError=null
> 
> [Install]
> WantedBy=multi-user.target
> 

Yes, please set:
StandardError=journal+console

Best regards,
Lukasz Zemla

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