Couldn't register serial port


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Jun 16 20:07:03 Tower kernel: ACPI: Early table checksum verification disabled
Jun 16 20:07:03 Tower kernel: spurious 8259A interrupt: IRQ7.
Jun 16 20:07:03 Tower kernel: ACPI Error: [\_SB_.PCI0.XHC_.RHUB.HS11] Namespace lookup failure, AE_NOT_FOUND (20170728/dswload-210)
Jun 16 20:07:03 Tower kernel: ACPI Exception: AE_NOT_FOUND, During name lookup/catalog (20170728/psobject-252)
Jun 16 20:07:03 Tower kernel: ACPI Exception: AE_NOT_FOUND, (SSDT:DELL__Bl) while loading table (20170728/tbxfload-228)
Jun 16 20:07:03 Tower kernel: ACPI Error: 1 table load failures, 7 successful (20170728/tbxfload-246)
Jun 16 20:07:03 Tower kernel: acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
Jun 16 20:07:03 Tower kernel: serial 0000:00:16.3: Couldn't register serial port f0a0, irq 19, type 0, error -28
Jun 16 20:07:03 Tower kernel: floppy0: no floppy controllers found
Jun 16 20:07:03 Tower kernel: random: 7 urandom warning(s) missed due to ratelimiting
Jun 16 20:07:16 Tower rpc.statd[1721]: Failed to read /var/lib/nfs/state: Success
Jun 16 20:07:27 Tower avahi-daemon[4446]: WARNING: No NSS support for mDNS detected, consider installing nss-mdns!
Jun 16 20:07:39 Tower root: error: /webGui/include/ProcessStatus.php: wrong csrf_token

 

Whats this error serial 0000:00:16.3: Couldn't register serial port f0a0, irq 19, type 0, error -28

Are ACPI errors/warnings are harmless? Should I be worried? I

DK whether the issue related to the OS Update to 6.5.3 today or the new extra RAM installation (Did Full RAM tests, 2 passes, no issues), don't think RAM would be related anyway.

 

Full diagnostics attached down below, thank you!!!

tower-diagnostics-20180616-2336.zip

Edited by pervin_1
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