kernel-packages team mailing list archive

[Kamal Mostafa <kamal@xxxxxxxxxxxxx>]

Note:

These two "mei" commits were added to 3.13.0 between -49.81 and -51.84:

fa90035 mei: me: release hw from reset only during the reset flow
e301eaa mei: mask interrupt set bit on clean reset bit

... and no further "mei" commits have been added since.

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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https://bugs.launchpad.net/bugs/1450813

Title:
  Regression in mei_me.ko for 3.13.0-51

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  After upgrading linux-image-3.13.0-49-generic to linux-
  image-3.13.0-51-generic I started getting this error message in dmesg:

  [ 6.352555] mei_me 0000:00:16.0: irq 47 for MSI/MSI-X
  [ 6.355708] mei_me 0000:00:16.0: version message write failed: ret = -5
  [ 6.355712] mei_me 0000:00:16.0: hbm_start failed ret = -5
  [ 6.355714] mei_me 0000:00:16.0: reset failed
  [ 6.355716] mei_me 0000:00:16.0: link layer initialization failed.
  [ 6.355717] mei_me 0000:00:16.0: init hw failure.
  [ 6.355880] mei_me 0000:00:16.0: initialization failed.

  Downgrading back to linux-image-3.13.0-49-generic fixed this problem.
  So this is regression for version 3.13.0-51.

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