[Bug 1050436] Re: USB keyboard is not recognized on mac mini during the grub menu

[Parameswaran Sivatharman]

I tried this with today's image,  20120914, with
b6565ad153301deb66ed38257ae104fe md5sum and the issue is still there.
(with GNU GRUB version 2.00-3ubuntu1)

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https://bugs.launchpad.net/bugs/1050436

Title:
  USB keyboard is not recognized on mac mini during the grub menu

Status in “grub2” package in Ubuntu:
  Confirmed

Bug description:
  After installing two side-by-side quantal installations with
  20120913.1 - amd64+mac desktop on a mac mini, it is impossible to boot
  to the first quantal installation.

  Pressing down arrow key at the grub menu does not change anything and
  the menu timesout with the default 10 seconds and boots with the
  latest (second in this case) ubuntu installation.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: linux-image-3.5.0-14-generic 3.5.0-14.16
  ProcVersionSignature: Ubuntu 3.5.0-14.16-generic 3.5.3
  Uname: Linux 3.5.0-14-generic x86_64
  AcpiTables: Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 127: Error executing /usr/share/apport/dump_acpi_tables.py: Permission denied
  ApportVersion: 2.5.1-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu2    1873 F.... pulseaudio
  Date: Thu Sep 13 14:41:59 2012
  HibernationDevice: RESUME=UUID=e62441a3-3cab-4c4d-b104-51d6c90a7d63
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64+mac (20120913.1)
  IwConfig:
   eth0      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Apple Inc. Macmini5,1
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-14-generic root=UUID=8fded063-1ef0-4918-8e41-c9a45bb40620 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-14-generic N/A
   linux-backports-modules-3.5.0-14-generic  N/A
   linux-firmware                            1.91
  RfKill:
   0: hci0: Bluetooth
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/20/2011
  dmi.bios.vendor: Apple Inc.
  dmi.bios.version: MM51.88Z.0077.B0F.1110201309
  dmi.board.asset.tag: Base Board Asset Tag#
  dmi.board.name: Mac-8ED6AF5B48C039E1
  dmi.board.vendor: Apple Inc.
  dmi.board.version: Macmini5,1
  dmi.chassis.type: 16
  dmi.chassis.vendor: Apple Inc.
  dmi.chassis.version: Mac-8ED6AF5B48C039E1
  dmi.modalias: dmi:bvnAppleInc.:bvrMM51.88Z.0077.B0F.1110201309:bd10/20/2011:svnAppleInc.:pnMacmini5,1:pvr1.0:rvnAppleInc.:rnMac-8ED6AF5B48C039E1:rvrMacmini5,1:cvnAppleInc.:ct16:cvrMac-8ED6AF5B48C039E1:
  dmi.product.name: Macmini5,1
  dmi.product.version: 1.0
  dmi.sys.vendor: Apple Inc.

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