** Description changed:

  [SRU Justifcation]
  
  [Impact]
+ When compiled against linux-oem-5.6 kernels on Focal, backport-iwlwifi-dkms 
gives numerous errors and fails the installation. Although the current version 
8324 has been marked obsoleted by 5.4 or newer in bug 1863583 and bug 1869587, 
this still happens during the installation of either kernel headers packages or 
backport-iwlwifi-dkms because dkms will still build but skip installing dkms 
modules. So far this doesn't bring critical errors, but as a LTS series Focal 
will receive more and more kernel version bumps as Bionic does, such build 
failure will be a problem that can't be avoid.
+ 
  [Fix]
+ This backports rev 8613, which fixed compilation against v5.8, that is 
already in Groovy to Focal along with necessary changes (Depends: flex, bison).
+ 
  [Test Case]
+ Tested on 5.4.0-40-generic and 5.6.0-1018-oem on Focal.
+ 
  [Regression Potential]
- [Other Info]
+ Low. So far backport-iwlwifi-dkms is still marked OBSOLETED_BY=5.4.0, so it 
has totally no effect in the runtime system. This will only change when future 
enablements based on LTS series Focal that relies on out-of-tree driver support 
from this package.
  
  === Original Bug Description ===
  
  Testing failed on:
      amd64: 
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-groovy-canonical-kernel-team-bootstrap/groovy/amd64/b/backport-iwlwifi-dkms/20200619_205606_7a677@/log.gz
      arm64: 
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-groovy-canonical-kernel-team-bootstrap/groovy/arm64/b/backport-iwlwifi-dkms/20200619_210720_cf76d@/log.gz
      ppc64el: 
https://objectstorage.prodstack4-5.canonical.com/v1/AUTH_77e2ada1e7a84929a74ba3b87153c0ac/autopkgtest-groovy-canonical-kernel-team-bootstrap/groovy/ppc64el/b/backport-iwlwifi-dkms/20200619_205835_f474a@/log.gz

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https://bugs.launchpad.net/bugs/1884634

Title:
  backport-iwlwifi-dkms 8324-0ubuntu3 ADT test failure with linux-5.8
  5.8.0-1.2

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