For the record, the bug is still there. The following is taken from a 
post-suspend dmesg command. Impossible to get my USB-C to ethernet adapter to 
work until I reboot.
This happens quite often. I have to reboot from time to time in order to get 
network back. You can imagine how frustrating it is when you find yourself 
being afraid of disconnecting or suspending your laptop to avoid having to 
restart all your apps to get back in current context of your work.
I am using the latest 20.04.1.

[32351.925853] pci_bus 0000:04: busn_res: [bus 04] is released
[32351.925981] pci_bus 0000:05: busn_res: [bus 05-39] is released
[32351.926040] pci_bus 0000:3a: busn_res: [bus 3a] is released
[32351.926099] pci_bus 0000:03: busn_res: [bus 03-3a] is released
[32359.926066] ACPI BIOS Error (bug): Failure creating named object 
[\_GPE.XTBT.SPRT], AE_ALREADY_EXISTS (20190816/dswload2-326)
[32359.926091]
               Initialized Local Variables for Method [XTBT]:
[32359.926093]   Local0: 00000000a09cb06c <Obj> Integer 0000000000000001
[32359.926105] Initialized Arguments for Method [XTBT]:  (2 arguments defined 
for method invocation)
[32359.926107]   Arg0:   00000000885e4213 <Obj> Integer 0000000000000011
[32359.926114]   Arg1:   0000000068996c7b <Obj> Integer 0000000000000001
[32359.926122] ACPI Error: AE_ALREADY_EXISTS, During name lookup/catalog 
(20190816/psobject-220)
[32359.926130] ACPI Error: Aborting method \_GPE.XTBT due to previous error 
(AE_ALREADY_EXISTS) (20190816/psparse-529)
[32359.926143] ACPI Error: Aborting method \_GPE.XTBT due to previous error 
(AE_ALREADY_EXISTS) (20190816/psparse-529)
[32359.926165] ACPI Error: Aborting method \_GPE._E42 due to previous error 
(AE_ALREADY_EXISTS) (20190816/psparse-529)
[32359.926180] ACPI Error: AE_ALREADY_EXISTS, while evaluating GPE method 
[_E42] (20190816/evgpe-511)

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https://bugs.launchpad.net/bugs/1870368

Title:
  ACPI BIOS Error in kernel log

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  Had this with 19.04. Still there with 19.10. AFAIK, there is no other
  symptom than the logged errors.

  Looks like :
  Apr  2 08:55:21 clairetnet kernel: [    0.124577] ACPI: Added _OSI(Module 
Device)
  Apr  2 08:55:21 clairetnet kernel: [    0.124578] ACPI: Added _OSI(Processor 
Device)
  Apr  2 08:55:21 clairetnet kernel: [    0.124578] ACPI: Added _OSI(3.0 _SCP 
Extensions)
  Apr  2 08:55:21 clairetnet kernel: [    0.124578] ACPI: Added _OSI(Processor 
Aggregator Device)
  Apr  2 08:55:21 clairetnet kernel: [    0.124579] ACPI: Added 
_OSI(Linux-Dell-Video)
  Apr  2 08:55:21 clairetnet kernel: [    0.124580] ACPI: Added 
_OSI(Linux-Lenovo-NV-HDMI-Audio)
  Apr  2 08:55:21 clairetnet kernel: [    0.124580] ACPI: Added 
_OSI(Linux-HPI-Hybrid-Graphics)
  Apr  2 08:55:21 clairetnet kernel: [    0.124581] ACPI: Added _OSI(Linux)
  Apr  2 08:55:21 clairetnet kernel: [    0.167243] ACPI BIOS Error (bug): 
Failure creating named object [\_SB.PCI0.XHC.RHUB.HS01._UPC], AE_ALREADY_EXISTS 
(20190703/dswload2-323)
  Apr  2 08:55:21 clairetnet kernel: [    0.167248] ACPI Error: 
AE_ALREADY_EXISTS, During name lookup/catalog (20190703/psobject-220)
  Apr  2 08:55:21 clairetnet kernel: [    0.167249] ACPI: Skipping parse of AML 
opcode: Method (0x0014)
  [continue with more of the same]

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: linux-image-5.3.0-45-generic 5.3.0-45.37
  ProcVersionSignature: Ubuntu 5.3.0-45.37-generic 5.3.18
  Uname: Linux 5.3.0-45-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu8.7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  stan       2268 F.... pulseaudio
   /dev/snd/pcmC0D0p:   stan       2268 F...m pulseaudio
   /dev/snd/controlC1:  stan       2268 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Apr  2 16:42:59 2020
  InstallationDate: Installed on 2019-04-26 (341 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  MachineType: Dell Inc. Precision 5530
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-45-generic 
root=UUID=2262d308-663c-47c3-9e75-b34611c8df1d ro nouveau.blacklist=1 
acpi_rev_override=1 acpi_osi=Linux nouveau.modeset=0 pcie_aspm=force 
drm.vblankoffdelay=1 scsi_mod.use_blk_mq=1 nouveau.runpm=0 
mem_sleep_default=deep quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-5.3.0-45-generic N/A
   linux-backports-modules-5.3.0-45-generic  N/A
   linux-firmware                            1.183.4
  SourcePackage: linux
  UpgradeStatus: Upgraded to eoan on 2019-11-04 (150 days ago)
  dmi.bios.date: 12/25/2019
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.15.0
  dmi.board.name: 0N0DK2
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.15.0:bd12/25/2019:svnDellInc.:pnPrecision5530:pvr:rvnDellInc.:rn0N0DK2:rvrA00:cvnDellInc.:ct10:cvr:
  dmi.product.family: Precision
  dmi.product.name: Precision 5530
  dmi.product.sku: 087D
  dmi.sys.vendor: Dell Inc.

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