[Bug 1080704] [NEW] Lucid installer does not detect Valencia/Interlagos/Piledriver systems

[Frediano Ziglio]

Public bug reported:

>From a machine which such family of processors we have

vendor_id       : AuthenticAMD
cpu family      : 21
model           : 1
model name      : AMD Opteron(TM) Processor 6212

however in kernel/i386.sh (base-installer sources) you have

        case "$VENDOR" in
            " AuthenticAMD"*)
                case "$FAMILY" in
                    " 15"|" 16"|" 17")                  # k8
                        echo 686$BIGMEM
                        ;;
                    " 6")                               # k7
                        case "$MODEL" in
                            " 0"|" 1"|" 2"|" 3"|" 4"|" 5")
                                # May not have SSE support
                                echo 586 ;;
                            *)  echo 686$BIGMEM ;;
                        esac
                        ;;
                    " 5")                               # k6
                        echo 586
                        ;;
                    *)          echo 486 ;;
                esac
                ;;

so the system is detected as 486 and an old kernel is installed. In our
case (XenServer user) this cause the installation to fail.

I think it would be better to check if FAMILY is greater than 15 then is
686$BIGMEM.

Regards
  Frediano

** Affects: base-installer (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1080704

Title:
  Lucid installer does not detect Valencia/Interlagos/Piledriver systems

Status in “base-installer” package in Ubuntu:
  New

Bug description:
  From a machine which such family of processors we have

  vendor_id       : AuthenticAMD
  cpu family      : 21
  model           : 1
  model name      : AMD Opteron(TM) Processor 6212

  however in kernel/i386.sh (base-installer sources) you have

          case "$VENDOR" in
              " AuthenticAMD"*)
                  case "$FAMILY" in
                      " 15"|" 16"|" 17")                  # k8
                          echo 686$BIGMEM
                          ;;
                      " 6")                               # k7
                          case "$MODEL" in
                              " 0"|" 1"|" 2"|" 3"|" 4"|" 5")
                                  # May not have SSE support
                                  echo 586 ;;
                              *)  echo 686$BIGMEM ;;
                          esac
                          ;;
                      " 5")                               # k6
                          echo 586
                          ;;
                      *)          echo 486 ;;
                  esac
                  ;;

  so the system is detected as 486 and an old kernel is installed. In
  our case (XenServer user) this cause the installation to fail.

  I think it would be better to check if FAMILY is greater than 15 then
  is 686$BIGMEM.

  Regards
    Frediano

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