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[Jan-Marek Glogowski <1176577@xxxxxxxxxxxxxxxxxx>]

I patched the source from 3.8.0-27.40 (there aren't any changes for the
mei driver in any Ubuntu 3.8 kernels) and just build the module. The
dmesg log still continues to fill with "mei reset" messages.

Since the mei driver has changed a lot since 3.8, I tried to backport
the mei driver from git AKA 3.11-rc5+ (commit
dab9bf41b23fe700c4a74133e41eb6a21706031e) for a test.

The backport patch is very minimal and stops the messages, but since I
don't use the Intel AMT interface, I don't know if it's working as
expected.


** Patch added: "Backport patch for the mei driver from kernel v3.11-rc5+ to v3.8."
   https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1176577/+attachment/3775052/+files/mei-bp-from-commit-dab9bf41b23.diff

** Bug watch added: Red Hat Bugzilla #917081
   https://bugzilla.redhat.com/show_bug.cgi?id=917081

** Also affects: linux (Fedora) via
   https://bugzilla.redhat.com/show_bug.cgi?id=917081
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1176577

Title:
  mei unexpected reset in kernel 3.8

Status in “linux” package in Ubuntu:
  Confirmed
Status in “linux” package in Arch Linux:
  New
Status in “linux” package in Fedora:
  Unknown

Bug description:
  Right after upgrading kernel from 3.5 to 3.8 (Ubuntu 13.04), the
  syslog got flooded by a large number of such messages:

  (cut)
  May  5 15:33:15 compaq-aldo kernel: [  205.064042] mei 0000:00:03.0: unexpected reset: dev_state = RESETING
  May  5 15:33:21 compaq-aldo kernel: [  211.076029] mei 0000:00:03.0: unexpected reset: dev_state = RESETING
  May  5 15:33:27 compaq-aldo kernel: [  217.088035] mei 0000:00:03.0: unexpected reset: dev_state = RESETING
  May  5 15:33:33 compaq-aldo kernel: [  223.100039] mei 0000:00:03.0: unexpected reset: dev_state = RESETING
  May  5 15:33:39 compaq-aldo kernel: [  229.112045] mei 0000:00:03.0: unexpected reset: dev_state = RESETING
  (cut)

  This was associated by non reliable ethernet functionality, i.e.
  transfer of large files from my Ubuntu box to a local NAS connected
  via ethernet got hanging with no other apparent errors or diagnostics:
  nautilus copy just stopped transferring data, leaving the copy window
  there with the progress bar stopped.

  I tried to reboot, but this behaviour is perfectly reproducible.

  This is one of the first syslog lines got from that kernel:

  May  5 15:30:15 compaq-aldo kernel: [    0.000000] Linux version
  3.8.0-19-generic (buildd@roseapple) (gcc version 4.7.3 (Ubuntu/Linaro
  4.7.3-1ubuntu1) ) #30-Ubuntu SMP Wed May 1 16:36:13 UTC 2013 (Ubuntu
  3.8.0-19.30-generic 3.8.8)

  I attach the whole syslog from boot of that kernel.

  On the same box, launching a previsous kernel (3.5) works flawlessly.
  For the time being, I removed 3.8 kernel from my box, now running 3.5.

  Kind regards
  Aldo
  --- 
  ApportVersion: 2.9.2-0ubuntu8
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  ldx        2074 F.... pulseaudio
   /dev/snd/controlC0:  ldx        2074 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=32cc5d6d-43c1-4e97-a8b7-10b71aac3e29
  InstallationDate: Installed on 2013-01-04 (121 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release i386 (20121017.2)
  IwConfig:
   lo        no wireless extensions.
   
   eth0      no wireless extensions.
  MachineType: Hewlett-Packard HP Compaq dc7700 Small Form Factor
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-19-generic root=UUID=38ce1d51-c3cf-438d-b395-f7c4744e2e37 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.8.0-19.30-generic 3.8.8
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-19-generic N/A
   linux-backports-modules-3.8.0-19-generic  N/A
   linux-firmware                            1.106
  RfKill:
   
  Tags:  raring
  Uname: Linux 3.8.0-19-generic i686
  UpgradeStatus: Upgraded to raring on 2013-04-26 (9 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo wireshark
  dmi.bios.date: 04/13/2007
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 786E1 v01.10
  dmi.board.name: 0A54h
  dmi.board.vendor: Hewlett-Packard
  dmi.chassis.asset.tag: CZC7451V4Q
  dmi.chassis.type: 4
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr786E1v01.10:bd04/13/2007:svnHewlett-Packard:pnHPCompaqdc7700SmallFormFactor:pvr:rvnHewlett-Packard:rn0A54h:rvr:cvnHewlett-Packard:ct4:cvr:
  dmi.product.name: HP Compaq dc7700 Small Form Factor
  dmi.sys.vendor: Hewlett-Packard

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