"Valerio Vanni" <valerio@xxxxxxxxxxxxxxxx> ha scritto nel messaggio
news:lg9etc$9fl$1@xxxxxxxxxxxxx
When resuming from S3 suspend, serial console starts sending garbage
on the serial port.
Not continuously, it sends garbage only when in local console prints
a text.
It stops only when the (sending) machine is shut down, or if some
text is sent manually (i.e. with "cat txtfile > /dev/ttyS0").
Full details are here:
https://bugzilla.kernel.org/show_bug.cgi?id=69751