grub2-efi-ubuntu/ubuntu_crashkernel.patch

   1 Description: Add crashkernel option
   2  Add crashkernel= option if kdump and makedumpfile are available. See
   3  https://blueprints.launchpad.net/ubuntu/+spec/foundations-karmic-linux-kernel-crash-dump.
   4  .
   5  This requires several fairly distribution-specific pieces to work properly.
   6 Author: Michael Vogt <michael.vogt@ubuntu.com>
   7 Forwarded: not-needed
   8 Last-Update: 2011-01-05
   9
  10 Index: b/util/grub.d/10_linux.in
  11 ===================================================================
  12 --- a/util/grub.d/10_linux.in
  13 +++ b/util/grub.d/10_linux.in
  14 @@ -65,6 +65,11 @@
  15    fi
  16  fi
  17
  18 +# add crashkernel option if we have the required tools
  19 +if [ -x "/usr/bin/makedumpfile" ] && [ -x "/sbin/kexec" ]; then
  20 +    GRUB_CMDLINE_EXTRA="$GRUB_CMDLINE_EXTRA crashkernel=384M-2G:64M,2G-:128M"
  21 +fi
  22 +
  23  linux_entry ()
  24  {
  25    os="$1"
  26 @@ -185,7 +190,7 @@
  27    fi
  28
  29    linux_entry "${OS}" "${version}" false \
  30 -      "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_LINUX_DEFAULT}"
  31 +      "${GRUB_CMDLINE_LINUX} ${GRUB_CMDLINE_EXTRA} ${GRUB_CMDLINE_LINUX_DEFAULT}"
  32    if [ "x${GRUB_DISABLE_RECOVERY}" != "xtrue" ]; then
  33      linux_entry "${OS}" "${version}" true \
  34         "single ${GRUB_CMDLINE_LINUX}"