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Thread: Xen Boot Panic - allocation is too small for kernel image.

  1. #1
    Join Date
    Jun 2009
    Beans
    5

    Xen Boot Panic - allocation is too small for kernel image.

    Current setup: Ubuntu 12.04, 3.2.0-32, Xen4.1-amd64

    When booting Xen from Grub2 I get the following kernel panic:

    Code:
    (XEN) ********************
    (XEN) Panic on CPU 0:
    (XEN) Domain 0 allocation is too small for kernel image.
    (XEN) ********************
    So far I have tried every combination I can think of [dom0_mem=].

    My current /etc/default/grub
    Code:
    GRUB_DEFAULT="Xen 4.1-amd64"
    GRUB_TIMEOUT=10
    GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
    GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
    GRUB_CMDLINE_LINUX=""
    GRUB_CMDLINE_XEN_DEFAULT="dom0_mem=min:8192M,max:8192M loglvl=all"
    and the resulting /boot/grub/grub.cfg menuentry

    Code:
    ### BEGIN /etc/grub.d/20_linux_xen ###
    submenu "Xen 4.1-amd64" {
    menuentry 'Ubuntu GNU/Linux, with Xen 4.1-amd64 and Linux 3.2.0-32-generic' --class ubuntu --class gnu-linux --class gnu --class os --class xen {
            insmod part_gpt
            insmod ext2
            set root='(hd0,gpt3)'
            search --no-floppy --fs-uuid --set=root dfeb1395-8583-4bed-bc97-8f2317a7e9dd
            echo    'Loading Xen 4.1-amd64 ...'
            multiboot       /boot/xen-4.1-amd64.gz placeholder  dom0_mem=min:8192M,max:8192M loglvl=all
            echo    'Loading Linux 3.2.0-32-generic ...'
            module  /boot/vmlinuz-3.2.0-32-generic placeholder root=UUID=dfeb1395-8583-4bed-bc97-8f2317a7e9dd ro  quiet splash
            echo    'Loading initial ramdisk ...'
            module  /boot/initrd.img-3.2.0-32-generic
    }
    menuentry 'Ubuntu GNU/Linux, with Xen 4.1-amd64 and Linux 3.2.0-32-generic (recovery mode)' --class ubuntu --class gnu-linux --class gnu --class os --class xen {
            insmod part_gpt
            insmod ext2
            set root='(hd0,gpt3)'
            search --no-floppy --fs-uuid --set=root dfeb1395-8583-4bed-bc97-8f2317a7e9dd
            echo    'Loading Xen 4.1-amd64 ...'
            multiboot       /boot/xen-4.1-amd64.gz placeholder
            echo    'Loading Linux 3.2.0-32-generic ...'
            module  /boot/vmlinuz-3.2.0-32-generic placeholder root=UUID=dfeb1395-8583-4bed-bc97-8f2317a7e9dd ro single 
            echo    'Loading initial ramdisk ...'
            module  /boot/initrd.img-3.2.0-32-generic
    }
    Thanks for any help!
    Last edited by bryogenic; October 26th, 2012 at 07:45 PM.

  2. #2
    Join Date
    Jun 2009
    Beans
    5

    Re: Xen Boot Panic - allocation is too small for kernel image.

    Looks like I am not the only one with this issue : http://serverfault.com/questions/443...n-ubuntu-12-04
    Any ideas?

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