Public bug reported:

ubuntu_kernel_selftests:powerpc/eeh:eeh-basic.sh is failing for lunar
and kinetic with pci devices failing to recover with EEH error recovery
handling,

...
[stdout] # 0003:01:00.0, Failed to recover!
[stdout] # Breaking 0004:02:00.0...
[stdout] # 0004:02:00.0, Recovered after 0 seconds
[stdout] # Breaking 0005:01:00.0...
....
[stdout] # 0005:01:00.0, Failed to recover!
[stdout] # 3 devices failed to recover (4 tested)

The problematic commit in kinetic that seems to introduce this issue via an 
upstream stable update is:
commit d71c64381810850d55d5868ab1e29ac117e22f1c
PCI: Unify delay handling for reset and resume
BugLink: https://bugs.launchpad.net/bugs/2018948
commit ac91e6980563ed53afadd925fa6585ffd2bc4a2c upstream.

where reverting the commit fixes the issue.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Invalid

** Affects: linux (Ubuntu Kinetic)
     Importance: Undecided
         Status: Confirmed

** Affects: linux (Ubuntu Lunar)
     Importance: Undecided
         Status: Confirmed

** Also affects: linux (Ubuntu Kinetic)
   Importance: Undecided
       Status: New

** Also affects: linux (Ubuntu Lunar)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu)
       Status: New => Invalid

** Description changed:

  ubuntu_kernel_selftests:powerpc/eeh:eeh-basic.sh is failing for lunar
  and kinetic with pci devices failing to recover with EEH error recovery
  handling,
  
  ...
  [stdout] # 0003:01:00.0, Failed to recover!
  [stdout] # Breaking 0004:02:00.0...
  [stdout] # 0004:02:00.0, Recovered after 0 seconds
  [stdout] # Breaking 0005:01:00.0...
  ....
  [stdout] # 0005:01:00.0, Failed to recover!
  [stdout] # 3 devices failed to recover (4 tested)
  
- 
- The problematic commit that seems to introduce this issue via an upstream 
stable update is 
+ The problematic commit that seems to introduce this issue via an upstream 
stable update is
  commit d71c64381810850d55d5868ab1e29ac117e22f1c
  PCI: Unify delay handling for reset and resume
  BugLink: https://bugs.launchpad.net/bugs/2018948
  commit ac91e6980563ed53afadd925fa6585ffd2bc4a2c upstream.
  
- where reverting the commit
+ where reverting the commit fixes the issue.

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https://bugs.launchpad.net/bugs/2021748

Title:
  powerpc/eeh:eeh-basic.sh ubuntu_kernel_selftests fails for lunar and
  kinetic

Status in linux package in Ubuntu:
  Invalid
Status in linux source package in Kinetic:
  Confirmed
Status in linux source package in Lunar:
  Confirmed

Bug description:
  ubuntu_kernel_selftests:powerpc/eeh:eeh-basic.sh is failing for lunar
  and kinetic with pci devices failing to recover with EEH error
  recovery handling,

  ...
  [stdout] # 0003:01:00.0, Failed to recover!
  [stdout] # Breaking 0004:02:00.0...
  [stdout] # 0004:02:00.0, Recovered after 0 seconds
  [stdout] # Breaking 0005:01:00.0...
  ....
  [stdout] # 0005:01:00.0, Failed to recover!
  [stdout] # 3 devices failed to recover (4 tested)

  The problematic commit in kinetic that seems to introduce this issue via an 
upstream stable update is:
  commit d71c64381810850d55d5868ab1e29ac117e22f1c
  PCI: Unify delay handling for reset and resume
  BugLink: https://bugs.launchpad.net/bugs/2018948
  commit ac91e6980563ed53afadd925fa6585ffd2bc4a2c upstream.

  where reverting the commit fixes the issue.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2021748/+subscriptions


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