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[Bug 1103406] Re: kernel disabled console output and keyboard lights in early boot

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[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1103406

Title:
  kernel disabled console output and keyboard lights in early boot

Status in “linux” package in Ubuntu:
  Expired

Bug description:
  Testing the fix for bug 1096531 on a MacBook Air results in frequent
  boot failures (1 failure in every 3 boots on average for me).

  Seemingly 1-2 seconds after the kernel hands off to userland, the
  kernel freezes. I've tried to get output on a serial console, but no
  joy with this hardware.

  The problem is unrelated to Upstart since I subvert Upstart starting
  by specifying init=... to load a menu system which then starts upstart
  on request. What I see is that the menu displays, then the kernel
  dumps details of new usb/bluetooth devices to the console, then the
  system is dead (no caps light, etc).

  Screenshot attached.

  This problem may be the same as seen by apw on a raring server system he has (this was discussed on #ubuntu-kernel yesterday).
  --- 
  ApportVersion: 2.8-0ubuntu2
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  james     24105 F.... pulseaudio
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=6ceced21-ddb0-4f6c-b5a1-37ced96f43b0
  InstallationDate: Installed on 2012-06-12 (225 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha i386 (20120609.1)
  MachineType: Apple Inc. MacBookAir4,1
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-1-generic root=UUID=28f57e46-6814-4e4b-bbc1-512a9f51ca02 ro init=/sbin/upstart_menu.sh
  ProcVersionSignature: Ubuntu 3.8.0-1.5-generic 3.8.0-rc4
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-1-generic N/A
   linux-backports-modules-3.8.0-1-generic  N/A
   linux-firmware                           1.99
  Tags:  raring running-unity
  Uname: Linux 3.8.0-1-generic i686
  UpgradeStatus: Upgraded to raring on 2012-11-15 (68 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 01/24/2012
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA41.88Z.0077.B0F.1201241549
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-C08A6BB70A942AC2
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookAir4,1
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-C08A6BB70A942AC2
  dmi.modalias: dmi:bvnAppleInc.:bvrMBA41.88Z.0077.B0F.1201241549:bd01/24/2012:svnAppleInc.:pnMacBookAir4,1:pvr1.0:rvnAppleInc.:rnMac-C08A6BB70A942AC2:rvrMacBookAir4,1:cvnAppleInc.:ct10:cvrMac-C08A6BB70A942AC2:
  dmi.product.name: MacBookAir4,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.
  --- 
  ApportVersion: 2.8-0ubuntu2
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  james     13290 F.... pulseaudio
  DistroRelease: Ubuntu 13.04
  HibernationDevice: RESUME=UUID=6ceced21-ddb0-4f6c-b5a1-37ced96f43b0
  InstallationDate: Installed on 2012-06-12 (225 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha i386 (20120609.1)
  MachineType: Apple Inc. MacBookAir4,1
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB:
   0 inteldrmfb
   1 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-1-generic root=UUID=28f57e46-6814-4e4b-bbc1-512a9f51ca02 ro init=/sbin/upstart_menu.sh
  ProcVersionSignature: Ubuntu 3.8.0-1.5-generic 3.8.0-rc4
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-1-generic N/A
   linux-backports-modules-3.8.0-1-generic  N/A
   linux-firmware                           1.99
  Tags:  raring running-unity
  Uname: Linux 3.8.0-1-generic i686
  UpgradeStatus: Upgraded to raring on 2012-11-15 (68 days ago)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 01/24/2012
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MBA41.88Z.0077.B0F.1201241549
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-C08A6BB70A942AC2
  dmi.board.vendor: Apple Inc.
  dmi.board.version: MacBookAir4,1
  dmi.chassis.type: 10
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-C08A6BB70A942AC2
  dmi.modalias: dmi:bvnAppleInc.:bvrMBA41.88Z.0077.B0F.1201241549:bd01/24/2012:svnAppleInc.:pnMacBookAir4,1:pvr1.0:rvnAppleInc.:rnMac-C08A6BB70A942AC2:rvrMacBookAir4,1:cvnAppleInc.:ct10:cvrMac-C08A6BB70A942AC2:
  dmi.product.name: MacBookAir4,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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