Stop platform monitor service before fast/warm reboot

[chiourung]

Access i2c bus when fast/warm reboot would cause SMBus is busy and needs recover by power cycle.

i801_smbus 0000:00:1f.3: SMBus is busy, can't use it!

What I did

Stop platform monitor service before fast/warm reboot

How I did it

How to verify it

warm reboot for multiple times

Previous command output (if the output of a command-line utility has changed)

New command output (if the output of a command-line utility has changed)

Signed-off-by: chiourung_huang [email protected]