kernel-packages team mailing list archive

["Yang Kun \(YK\)" <kun.yang@xxxxxxxxxxxxx>]

cert team confirmed the hardware is currently with Alberto.

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https://bugs.launchpad.net/bugs/1125610

Title:
  [Lenovo b475e]: Precise 12.04.2 install fails

Status in “linux” package in Ubuntu:
  Confirmed
Status in “linux” source package in Precise:
  Confirmed
Status in “linux” source package in Quantal:
  Confirmed

Bug description:
  Attempting an install of 12.04.2 precise results in a few major
  blocking issues.

  B475e 1: 
      Mainboard LB475B UMA MB SIT 11312-SB 1.0G DIP#1
      UEFI BIOS version: HPET18WW (1.03)
      UEFI BIOS Date 2012-05-29

      Problem encountered:
          Systems hangs while at Ubuntu Splash screen. Will not accept any keyboard activity
      Steps to reproduce:
         1.) Download and Install 12.04.2 to key, cd, or other boot media.
         2.) Choose "Install Ubuntu" Option

  B475e 2: 
      Mainboard LB475B UMA MB SIT 11312-SB 1.7G DIP#5
      UEFI BIOS version: HPET09WW (0.09)
      UEFI BIOS Date 2012-03-15

      Problem encountered:
          Systems hangs while at grub loader after installation:
          error: no suitable mode found
          error: no video mode available

          Also, to control boot menu options an external usb keyboard must be used. Cannot use onboard keyboard.
      Steps to reproduce:
         1.) Download and Install 12.04.2 to key, cd, or other boot media.
         2.) Choose "Install Ubuntu" Option
         3.) Go through installation process
         4.) Remove media 
         5.) Reboot

  
  These machines do not present a problem installing 12.04.1
         6.) Wait for machine to attempt to boot from HD.

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