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[Xen-users] xen "vga=" console mode set in ubuntu /boot/grub/menu.lst is ignored

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: "snowcrash+xen@xxxxxxxxx" <schneecrash+xen@xxxxxxxxx>
  • Date: Sat, 17 May 2008 15:38:12 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

i've nominal ubuntu 804 installed as a xen 320 Dom0,

        Linux server 2.6.24-16-xen #1 SMP Thu Apr 10 14:35:03 UTC 2008 x86_64 

i'm trying to setup the console video mode that xen uses, but am
failing to do so.


        # VESA video modes (VGA codes):
                640x480 800x600 1024x768 1280x1024 1600x1200 Ask user at boot.
        8 bits  vga=769 vga=771 vga=773  vga=775   vga=796   vga=ask
        16 bits vga=785 vga=788 vga=791  vga=794   vga=798   vga=ask
        32 bits vga=786 vga=789 vga=792  vga=795   vga=799   vga=ask

which seems to be backed up by,


i edit "/boot/grub/menu.lst" to

        # xenhopt=dom0_mem=512M noirqdebug vga=775
        # xenkopt=max_loop=64 console=tty0 console=ttyS0,115200n8

then, a subsequent


re-generates "/boot/grub/menu.lst" to contain,

        title       Xen 3.2 / Ubuntu 8.04, kernel 2.6.24-16-xen
        root        (hd0,0)
        kernel      /xen-3.2.gz dom0_mem=512M noirqdebug vga=775
        module      /vmlinuz-2.6.24-16-xen ro
root=/dev/mapper/VG_Dom0-LV_ROOT max_loop=64 console=tty0
        module      /initrd.img-2.6.24-16-xen

on reboot,  @console Xen begins to dsiplay its output, but stops at

        press <RETURN> to see video modes
        <SPACE> to continue, or wait 30 sec

here i can select any of the offered video modes, and boot continues
in the selected video mode.

or, i can wait 30 sec, and vid mode defaults to 80x25 text, and boot continues.

i just can't get the mode to 'stick' to what i set in menu.lst.

any ideas? something wrong/additional needed in config?


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