Hi list
After I install xen4.0 in my debian squeezz,it added the following lines into
/boot/grub/grub.cfg
### BEGIN /etc/grub.d/20_linux_xen ###
menuentry ''Debian GNU/Linux, with Linux 2.6.32-5-xen-amd64 and XEN
4.0-amd64'' --class debian --class gnu-linux --class gnu --class os
--class xen {
insmod part_msdos
insmod ext2
set root=''(hd0,msdos1)''
search --no-floppy --fs-uuid --set ae156f58-edec-4972-bd1c-d6f37a473ddd
echo ''Loading Linux 2.6.32-5-xen-amd64 ...''
multiboot /boot/xen-4.0-amd64.gz placeholder
module /boot/vmlinuz-2.6.32-5-xen-amd64 placeholder
root=UUID=ae156f58-edec-4972-bd1c-d6f37a473ddd ro quiet
echo ''Loading initial ramdisk ...''
module /boot/initrd.img-2.6.32-5-xen-amd64
}
### END /etc/grub.d/20_linux_xen ###
when I started a VM created by xen , it showed errors:
~~~~~~~~~~~~~~~~~~~~~~~~~~| DirectFB 1.2.10 |~~~~~~~~~~~~~~~~~~~~~~~~~~
(c) 2001-2008 The world wide DirectFB Open Source Community
(c) 2000-2004 Convergence (integrated media) GmbH
----------------------------------------------------------------
(*) DirectFB/Core: Single Application Core. (2010-06-30 18:13)
(*) Direct/Memcpy: Using Generic 64bit memcpy()
(!) Direct/Util: opening ''/dev/fb0'' and
''/dev/fb/0'' failed
--> No such file or directory
(!) DirectFB/FBDev: Error opening framebuffer device!
(!) DirectFB/FBDev: Use ''fbdev'' option or set FRAMEBUFFER
environment variable.
(!) DirectFB/Core: Could not initialize ''system_core'' core!
--> Initialization error!
Could not initialize SDL - exiting
It seems that xen can not find the framebuffer device.
I have searched the web about how to enable framebuffer in grub2,someone said :
add these two lines into /etc/default/grub and run update-grub2
.(https://wiki.archlinux.org/index.php/GRUB2 )
GRUB_GFXMODE="1024x768x32"
GRUB_GFXPAYLOAD_LINUX="keep"
I have done it and reboot my server,but the problem remains.
My question is :
How to enable framebuffer in grub2?
Thank you!
2011-05-23
sosogh
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