Public bug reported:

There are packages like systemd relies on SMBIOS type 41 information to
determine the onboard network interface renaming mechanism. However,
manufacturers don't always offer the correct information.

In the case
----------
# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 3.1 present.

Handle 0x2900, DMI type 41, 11 bytes
Onboard Device
        Reference Designation: To Be Filled by O.E.M.
        Type: Video
        Status: Enabled
        Type Instance: 0
        Bus Address: 0000:00:02.0

Handle 0x2901, DMI type 41, 11 bytes
Onboard Device
        Reference Designation: To Be Filled by O.E.M.
        Type: Ethernet
        Status: Disabled
        Type Instance: 0
        Bus Address: 0000:00:1f.6

Handle 0x2902, DMI type 41, 11 bytes
Onboard Device
        Reference Designation: To Be Filled by O.E.M.
        Type: Sound
        Status: Disabled
        Type Instance: 0
        Bus Address: 0000:00:1f.3

Handle 0x2903, DMI type 41, 11 bytes
Onboard Device
        Reference Designation: To Be Filled by O.E.M.
        Type: SATA Controller
        Status: Disabled
        Type Instance: 0
        Bus Address: 0000:00:17.0
-------
According to the SMBIOS specification section 7.42.3, "Type Instance" should be 
started with 1, and all devices mentioned are enabled, but the test result of 
fwts dmicheck type 41 item still passed.

Description:    Ubuntu 18.04.2 LTS
Release:        18.04
fwts: 18.03.00-0ubuntu5
--- 
ProblemType: Bug
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
DistributionChannelDescriptor:
 # This is the distribution channel descriptor for the OEM CDs
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-bionic-amd64-20190418-59+beaver-osp1-loras+X22
DistroRelease: Ubuntu 18.04
InstallationDate: Installed on 2019-12-05 (1 days ago)
InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 
20190418-12:10
Package: fwts 18.03.00-0ubuntu5
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 5.0.0-1028.32-oem-osp1 5.0.21
Tags:  bionic
Uname: Linux 5.0.0-1028-oem-osp1 x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True

** Affects: fwts (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-collected bionic

** Attachment added: "results.log"
   
https://bugs.launchpad.net/bugs/1855420/+attachment/5310194/+files/results.log

** Tags added: apport-collected bionic

** Description changed:

  There are packages like systemd relies on SMBIOS type 41 information to
  determine the onboard network interface renaming mechanism. However,
  manufacturers don't always offer the correct information.
  
  In the case
  ----------
  # dmidecode 3.1
  Getting SMBIOS data from sysfs.
  SMBIOS 3.1 present.
  
  Handle 0x2900, DMI type 41, 11 bytes
  Onboard Device
          Reference Designation: To Be Filled by O.E.M.
          Type: Video
          Status: Enabled
          Type Instance: 0
          Bus Address: 0000:00:02.0
  
  Handle 0x2901, DMI type 41, 11 bytes
  Onboard Device
          Reference Designation: To Be Filled by O.E.M.
          Type: Ethernet
          Status: Disabled
          Type Instance: 0
          Bus Address: 0000:00:1f.6
  
  Handle 0x2902, DMI type 41, 11 bytes
  Onboard Device
          Reference Designation: To Be Filled by O.E.M.
          Type: Sound
          Status: Disabled
          Type Instance: 0
          Bus Address: 0000:00:1f.3
  
  Handle 0x2903, DMI type 41, 11 bytes
  Onboard Device
          Reference Designation: To Be Filled by O.E.M.
          Type: SATA Controller
          Status: Disabled
          Type Instance: 0
          Bus Address: 0000:00:17.0
  -------
  According to the SMBIOS specification section 7.42.3, "Type Instance" should 
be started with 1, and all devices mentioned are enabled, but the test result 
of fwts dmicheck type 41 item still passed.
  
  Description:  Ubuntu 18.04.2 LTS
  Release:      18.04
  fwts: 18.03.00-0ubuntu5
+ --- 
+ ProblemType: Bug
+ ApportVersion: 2.20.9-0ubuntu7.6
+ Architecture: amd64
+ CurrentDesktop: ubuntu:GNOME
+ DistributionChannelDescriptor:
+  # This is the distribution channel descriptor for the OEM CDs
+  # For more information see 
http://wiki.ubuntu.com/DistributionChannelDescriptor
+  canonical-oem-somerville-bionic-amd64-20190418-59+beaver-osp1-loras+X22
+ DistroRelease: Ubuntu 18.04
+ InstallationDate: Installed on 2019-12-05 (1 days ago)
+ InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 
20190418-12:10
+ Package: fwts 18.03.00-0ubuntu5
+ PackageArchitecture: amd64
+ ProcVersionSignature: Ubuntu 5.0.0-1028.32-oem-osp1 5.0.21
+ Tags:  bionic
+ Uname: Linux 5.0.0-1028-oem-osp1 x86_64
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
+ _MarkForUpload: True

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https://bugs.launchpad.net/bugs/1855420

Title:
  dmicheck Type 41 result doesn't reflect real condition

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