This bug was fixed in the package linux-aws - 4.4.0-1050.59
--------------- linux-aws (4.4.0-1050.59) xenial; urgency=low
* linux-aws: 4.4.0-1050.59 -proposed tracker (LP: #1746322)
* linux-aws serial console not recognized (LP: #1746318) - SAUCE: [aws] serial: 8250_pci: Add Amazon PCI serial device ID - [aws] config: SERIAL_8250_NR_UARTS=4
-- Kamal Mostafa <email address hidden> Wed, 24 Jan 2018 12:06:22 -0800
This bug was fixed in the package linux-aws - 4.4.0-1050.59
---------------
linux-aws (4.4.0-1050.59) xenial; urgency=low
* linux-aws: 4.4.0-1050.59 -proposed tracker (LP: #1746322)
* linux-aws serial console not recognized (LP: #1746318) 8250_NR_ UARTS=4
- SAUCE: [aws] serial: 8250_pci: Add Amazon PCI serial device ID
- [aws] config: SERIAL_
-- Kamal Mostafa <email address hidden> Wed, 24 Jan 2018 12:06:22 -0800