[Bug 2019239] Autopkgtest regression report (rtl8821ce/5.5.2.1-0ubuntu11~0.22.04.3)

Fri May 12 19:03:01 UTC 2023

All autopkgtests for the newly accepted rtl8821ce (5.5.2.1-0ubuntu11~0.22.04.3) for jammy have finished running.
The following regressions have been reported in tests triggered by the package:

rtl8821ce/5.5.2.1-0ubuntu11~0.22.04.3 (i386)

Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].

https://people.canonical.com/~ubuntu-archive/proposed-
migration/jammy/update_excuses.html#rtl8821ce

[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions

Thank you!

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https://bugs.launchpad.net/bugs/2019239

Title:
  rtl8821ce should not build when CONFIG_CFG80211 is not enabled for
  linux-kvm

Status in rtl8821ce package in Ubuntu:
  Confirmed
Status in rtl8821ce source package in Jammy:
  Fix Committed

Bug description:
  [SRU Justification]

  Impact:
  jammy:linux-kvm does not have CONFIG_CFG80211 enabled.
  Module rtl8821ce-dkms requires it, otherwise, build will fail.
  Before last update to 5.5.2.1-0ubuntu11~0.22.04.1, build was not performed before because of this rule:

  # Only build on wifi enabled kernels
  if ! grep -q '^CONFIG_CFG80211=[ym]$' $kernel_source_dir/.config; then
  BUILD_EXCLUSIVE_KERNEL="^$"
  fi

  But the new version broke it because the rule that was overridden by
  BUILD_EXCLUSIVE_KERNEL="^5.15.*"

  This lead to new regression in autopkgtest for jammy:linux-
  kvm-5.15.0-1029.34.

  Fix:
  Add an if else condition so it will cover 2 cases:
  1. package won't build if kernel does not have CONFIG_CFG80211 enabled
  2. if 1 is true, package won't build if kernel version is not 5.15.

  Test plan:
  autopkgtest rtl8821ce fails during build with the error from below

  ...
  ERROR: modpost: "cfg80211_rx_mgmt_khz" [/var/lib/dkms/rtl8821ce/5.5.2.1/build/rtl8821ce.ko] undefined!
  ERROR: modpost: "cfg80211_mgmt_tx_status" [/var/lib/dkms/rtl8821ce/5.5.2.1/build/rtl8821ce.ko] undefined!
  ERROR: modpost: "wiphy_apply_custom_regulatory" [/var/lib/dkms/rtl8821ce/5.5.2.1/build/rtl8821ce.ko] undefined!
  ERROR: modpost: "__cfg80211_alloc_reply_skb" [/var/lib/dkms/rtl8821ce/5.5.2.1/build/rtl8821ce.ko] undefined!
  ERROR: modpost: "cfg80211_new_sta" [/var/lib/dkms/rtl8821ce/5.5.2.1/build/rtl8821ce.ko] undefined!
  ERROR: modpost: "cfg80211_inform_bss_frame_data" [/var/lib/dkms/rtl8821ce/5.5.2.1/build/rtl8821ce.ko] undefined!
  ERROR: modpost: "cfg80211_unlink_bss" [/var/lib/dkms/rtl8821ce/5.5.2.1/build/rtl8821ce.ko] undefined!
  ERROR: modpost: "cfg80211_connect_done" [/var/lib/dkms/rtl8821ce/5.5.2.1/build/rtl8821ce.ko] undefined!
  ERROR: modpost: "cfg80211_put_bss" [/var/lib/dkms/rtl8821ce/5.5.2.1/build/rtl8821ce.ko] undefined!
  ERROR: modpost: "cfg80211_roamed" [/var/lib/dkms/rtl8821ce/5.5.2.1/build/rtl8821ce.ko] undefined!
  WARNING: modpost: suppressed 18 unresolved symbol warnings because there were too many)
  make[2]: *** [scripts/Makefile.modpost:133: /var/lib/dkms/rtl8821ce/5.5.2.1/build/Module.symvers] Error 1
  make[2]: *** Deleting file '/var/lib/dkms/rtl8821ce/5.5.2.1/build/Module.symvers'
  make[1]: *** [Makefile:1821: modules] Error 2
  make[1]: Leaving directory '/usr/src/linux-headers-5.15.0-1029-kvm'
  make: *** [Makefile:2262: modules] Error 2
  ====================
  ./rtl8821ce/5.5.2.1/build/make.log
  autopkgtest [02:46:16]: test dkms-autopkgtest: -----------------------]
  dkms-autopkgtest FAIL non-zero exit status 1
  autopkgtest [02:46:17]: test dkms-autopkgtest: - - - - - - - - - - results - - - - - - - - - -
  autopkgtest [02:46:17]: @@@@@@@@@@@@@@@@@@@@ summary
  dkms-autopkgtest FAIL non-zero exit status 1
  Creating nova instance adt-jammy-amd64-rtl8821ce-20230214-023910-lrg-root1 from image adt/ubuntu-jammy-amd64-server-20230213.img (UUID ed711e13-2823-486e-8ade-d9996e82af9a)...

  This happens if you run apt install rtl8821ce-dkms.

  Once the fix is there:
  1. module should skip build on linux-kvm or any kernel that has CONFIG_CFG80211 disabled.
  2. module should build on linux-generic (5.15)
  3. module should skip build on 5.19 kernels

  Tested locally in a VM:

  1. linux-kvm: 5.15.0-1033-kvm. Build is skipped:

  ubuntu at jammy:~$ sudo dpkg -i rtl8821ce-dkms_5.5.2.1-0ubuntu11~0.22.04.3_all.deb
  (Reading database ... 223166 files and directories currently installed.)
  Preparing to unpack rtl8821ce-dkms_5.5.2.1-0ubuntu11~0.22.04.3_all.deb ...
  Deleting module rtl8821ce-5.5.2.1 completely from the DKMS tree.
  Unpacking rtl8821ce-dkms (5.5.2.1-0ubuntu11~0.22.04.3) over (5.5.2.1-0ubuntu11~0.22.04.2) ...
  Setting up rtl8821ce-dkms (5.5.2.1-0ubuntu11~0.22.04.3) ...
  Loading new rtl8821ce-5.5.2.1 DKMS files...
  Building for 5.15.0-1033-kvm
  Building initial module for 5.15.0-1033-kvm
  Error! The /var/lib/dkms/rtl8821ce/5.5.2.1/5.15.0-1033-kvm/x86_64/dkms.conf for module rtl8821ce includes a BUILD_EXCLUSIVE directive which does not match this kernel/arch.
  The /var/lib/dkms/rtl8821ce/5.5.2.1/5.15.0-1033-kvm/x86_64/dkms.conf for module rtl8821ce includes a BUILD_EXCLUSIVE directive which does not match this kernel/arch/config.
  This indicates that it should not be built.
  Skipped.

  2. 5.15.0-57-generic. Built and installed successfully:
  ubuntu at jammy:~/rtl$ sudo dpkg -i rtl8821ce-dkms_5.5.2.1-0ubuntu11~0.22.04.3_all.deb
  (Reading database ... 81589 files and directories currently installed.)
  Preparing to unpack rtl8821ce-dkms_5.5.2.1-0ubuntu11~0.22.04.3_all.deb ...
  Module rtl8821ce-5.5.2.1 for kernel 5.15.0-57-generic (x86_64).
  Before uninstall, this module version was ACTIVE on this kernel.

  rtl8821ce.ko:
   - Uninstallation
     - Deleting from: /lib/modules/5.15.0-57-generic/updates/dkms/
   - Original module
     - No original module was found for this module on this kernel.
     - Use the dkms install command to reinstall any previous module version.

  /etc/modprobe.d/dkms.conf: removed 'blacklist rtw88_8821ce'
  depmod...
  Deleting module rtl8821ce-5.5.2.1 completely from the DKMS tree.
  Unpacking rtl8821ce-dkms (5.5.2.1-0ubuntu11~0.22.04.3) over (5.5.2.1-0ubuntu11~0.22.04.3) ...
  Setting up rtl8821ce-dkms (5.5.2.1-0ubuntu11~0.22.04.3) ...
  Loading new rtl8821ce-5.5.2.1 DKMS files...
  Building for 5.15.0-57-generic
  Building initial module for 5.15.0-57-generic
  EFI variables are not supported on this system
  /sys/firmware/efi/efivars not found, aborting.
  Done.

  rtl8821ce.ko:
  Running module version sanity check.
   - Original module
     - No original module exists within this kernel
   - Installation
     - Installing to /lib/modules/5.15.0-57-generic/updates/dkms/

  /etc/modprobe.d/dkms.conf: added 'blacklist rtw88_8821ce'
  depmod...

  3. 5.19.0-1025-aws: Build is skipped.

  ubuntu at jammy:~$ sudo dpkg -i rtl8821ce-dkms_5.5.2.1-0ubuntu11~0.22.04.3_all.deb
  Selecting previously unselected package rtl8821ce-dkms.
  (Reading database ... 99576 files and directories currently installed.)
  Preparing to unpack rtl8821ce-dkms_5.5.2.1-0ubuntu11~0.22.04.3_all.deb ...
  Unpacking rtl8821ce-dkms (5.5.2.1-0ubuntu11~0.22.04.3) ...
  Setting up rtl8821ce-dkms (5.5.2.1-0ubuntu11~0.22.04.3) ...
  Loading new rtl8821ce-5.5.2.1 DKMS files...
  Building for 5.19.0-1025-aws
  Building initial module for 5.19.0-1025-aws
  Error! The /var/lib/dkms/rtl8821ce/5.5.2.1/5.19.0-1025-aws/x86_64/dkms.conf for module rtl8821ce includes a BUILD_EXCLUSIVE directive which does not match this kernel/arch.
  This indicates that it should not be built.
  Skipped.

  Regression potential:
  None. Build is skipped so no tests are performed.

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