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[Michael Doube <1025283@xxxxxxxxxxxxxxxxxx>]

I can boot in UEFI mode from a daily build iso flashed to a USB stick,
using the A10 BIOS update.

Steps:
1. Download and install BIOS update A10 from Dell (in Win 7 - I dual boot)
2. Download the daily build iso from ubuntu.com and make a bootable USB stick
3. Reboot the computer holding down F12
4. When the boot menu appears, choose to boot from USB with UEFI mode
5. Boot into Ubuntu (I'm 'trying without installing')

Seems OK now, can anyone verify?

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https://bugs.launchpad.net/bugs/1025283

Title:
  [Dell Precision T7600] LiveCD/USB will not boot in UEFI mode

Status in “linux” package in Ubuntu:
  Incomplete
Status in “linux” source package in Raring:
  Confirmed

Bug description:
  I tried to boot from the LiveCD in UEFI mode as I wished to install my UEFI capable workstation in UEFI + GPT mode. If I boot in legacy mode, it boots up without a problem but of course, does not allow me to install in UEFI mode. Seems to perhaps indicate that the disk controller is having a problem. It's a Dell PERC H310. I get the following error over and over:
  udevd[114]: timeout: killing `/sbin/modprobe -bv pci:v00001000d00000073sv00001028sd00001F78bc01sc04i00' [182]

  Then finally:
  udevadm settle - timeout of 120 seconds reached, the event queue contains:
    /sys/devices/pci0000:00/0000:00:03.0/0000:06:00.0 (1588)
    /sys/devices/pci0000:00/0000:00:03.0/0000:06:00.0/host6 (1588)
    /sys/devices/pci0000:00/0000:00:03.0/0000:06:00.0/host6/scsi_host/host6 (1588)

  WORKAROUND: It boots up in legacy BIOS mode fine.

  ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  dpwrussell   2620 F.... pulseaudio
   /dev/snd/controlC0:  dpwrussell   2620 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xc6520000 irq 113'
     Mixer name	: 'Realtek ALC269VB'
     Components	: 'HDA:10ec0269,10280495,00100100'
     Controls      : 27
     Simple ctrls  : 15
  Card1.Amixer.info:
   Card hw:1 'NVidia'/'HDA NVidia at 0xc6080000 irq 36'
     Mixer name	: 'Nvidia GPU 10 HDMI/DP'
     Components	: 'HDA:10de0010,10de0101,00100100'
     Controls      : 24
     Simple ctrls  : 4
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=cdfdf9db-4a25-4043-9e85-53fab27f04f3
  InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120423)
  IwConfig:
   lo        no wireless extensions.

   eth1      no wireless extensions.

   eth0      no wireless extensions.
  MachineType: Dell Inc. Precision T7600
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-23-generic root=UUID=50fb1960-a04d-4af4-8db5-e63b5c373eed ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-23-generic N/A
   linux-backports-modules-3.2.0-23-generic  N/A
   linux-firmware                            1.79
  RfKill:

  SourcePackage: linux
  StagingDrivers: mei
  Tags:  precise staging precise staging
  Uname: Linux 3.2.0-23-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 06/06/2012
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A01
  dmi.board.name: 0VHRW1
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 7
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA01:bd06/06/2012:svnDellInc.:pnPrecisionT7600:pvr01:rvnDellInc.:rn0VHRW1:rvrA01:cvnDellInc.:ct7:cvr:
  dmi.product.name: Precision T7600
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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