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[Xen-users] HVM: Could not initialize SDL - exiting

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] HVM: Could not initialize SDL - exiting
From: oz <oz@xxxxxxxxxxx>
Date: Sat, 11 Nov 2006 18:46:18 +0100
Delivery-date: Sat, 11 Nov 2006 09:46:52 -0800
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Hello,

I'm trying to get my first HVM domU installed (another Debian domU is already working under the same dom0). I intend to install the guest OS from a bootable CD-ROM.

But when I create the new HVM domU with 'xm create xp1-cd.cfg' , I don't get the expected installation-window and find this in /var/log/xen/qemu-dm.6575.log:

domid: 6
qemu: the number of cpus is 1
shared page at pfn:17fff, mfn: 30cec
buffered io page at pfn:17ffd, mfn: 30cee

       ---------------------- DirectFB v0.9.25 ---------------------
             (c) 2000-2002  convergence integrated media GmbH
             (c) 2002-2004  convergence GmbH
        -----------------------------------------------------------

(*) DirectFB/Core: Single Application Core. (2006-10-17 10:09)
(*) Direct/Memcpy: Using MMX optimized memcpy()
(!) Direct/Util: opening '/dev/fb0' failed
    --> No such device
(!) DirectFB/FBDev: Error opening framebuffer device!
(!) DirectFB/FBDev: Use 'fbdev' option or set FRAMEBUFFER environment variable.
(!) DirectFB/Core: Could not initialize 'system' core!
    --> Initialization error!
Could not initialize SDL - exiting


Now I'm looking for clues, why SDL can't be initialized. A /dev/fb0 seems to exist:
xen# ls -la /dev/fb0
crw-r--r-- 1 root root 29, 0 2006-11-11 15:07 /dev/fb0

Anyone with an idea?

Cheers,
Oliver

P.S. My domU config (xp1-cd.cfg):

#  -*- mode: python; -*-
#============================================================================
# Python configuration setup for 'xm create'.
# This script sets the parameters used when a domain is created using 'xm create'.
# You use a separate script for each domain you want to create, or
# you can set the parameters for the domain on the xm command line.
#============================================================================
#----------------------------------------------------------------------------
# Kernel image file.
kernel = "/usr/lib/xen-ioemu-3.0-unstable/boot/hvmloader"

# The domain build function. HVM domain uses 'hvm'.
builder='hvm'

# Initial memory allocation (in megabytes) for the new domain.
memory = 384

# A name for your domain. All domains must have different names.
name = "xpdom"

#-----------------------------------------------------------------------------
# the number of cpus guest platform has, default=1
#vcpus=1

# enable/disable HVM guest PAE, default=0 (disabled)
#pae=0

# enable/disable HVM guest ACPI, default=0 (disabled)
#acpi=0

# enable/disable HVM guest APIC, default=0 (disabled)
#apic=0

# List of which CPUS this domain is allowed to use, default Xen picks
#cpus = ""         # leave to Xen to pick
#cpus = "0"        # all vcpus run on CPU0
#cpus = "0-3,5,^1" # run on cpus 0,2,3,5

# Optionally define mac and/or bridge for the network interfaces.
# Random MACs are assigned if not given.
#vif = [ 'type=ioemu, mac=00:16:3e:00:00:11, bridge=xenbr0' ]
# type=ioemu specify the NIC is an ioemu device not netfront
vif = [ 'type=ioemu, bridge=xenbr1' ]

#----------------------------------------------------------------------------
# Define the disk devices you want the domain to have access to, and
# what you want them accessible as.
# Each disk entry is of the form phy:UNAME,DEV,MODE
# where UNAME is the device, DEV is the device name the domain will see,
# and MODE is r for read-only, w for read-write.

#disk = [ 'phy:hda1,hda1,r' ]
#disk = [ 'file:/var/lib/xen/images/disk.img,ioemu:hda,w' ]
disk = [ 'file:/priv/xen/domains/xp1/windisk.img,ioemu:hda,w' ]
#----------------------------------------------------------------------------
# Configure the behaviour when a domain exits.  There are three 'reasons'
# for a domain to stop: poweroff, reboot, and crash.  For each of these you
# may specify:
#
#   "destroy",        meaning that the domain is cleaned up as normal;
# "restart", meaning that a new domain is started in place of the old
#                     one;
#   "preserve",       meaning that no clean-up is done until the domain is
#                     manually destroyed (using xm destroy, for example); or
#   "rename-restart", meaning that the old domain is not cleaned up, but is
#                     renamed and a new domain started in its place.
#
# The default is
#
#   on_poweroff = 'destroy'
#   on_reboot   = 'restart'
#   on_crash    = 'restart'
#
# For backwards compatibility we also support the deprecated option restart
#
# restart = 'onreboot' means on_poweroff = 'destroy'
#                            on_reboot   = 'restart'
#                            on_crash    = 'destroy'
#
# restart = 'always'   means on_poweroff = 'restart'
#                            on_reboot   = 'restart'
#                            on_crash    = 'restart'
#
# restart = 'never'    means on_poweroff = 'destroy'
#                            on_reboot   = 'destroy'
#                            on_crash    = 'destroy'

#on_poweroff = 'destroy'
#on_reboot   = 'restart'
#on_crash    = 'restart'

on_poweroff = 'destroy'
on_reboot   = 'destroy'
on_crash    = 'destroy'

#============================================================================

# New stuff
#device_model = '/usr/' + arch_libdir + '/xen/bin/qemu-dm'
device_model = '/usr/lib/xen-ioemu-3.0-unstable/bin/qemu-dm'

#-----------------------------------------------------------------------------
# Disk image for
#cdrom=
cdrom='/dev/sr0' #set proper device name for your own environment!

#-----------------------------------------------------------------------------
# boot on floppy (a), hard disk (c) or CD-ROM (d)
boot='d'
#-----------------------------------------------------------------------------
#  write to temporary files instead of disk image files
#snapshot=1

#----------------------------------------------------------------------------
# enable SDL library for graphics, default = 0
sdl=1

#----------------------------------------------------------------------------
# enable VNC library for graphics, default = 1
vnc=0

#----------------------------------------------------------------------------
# enable spawning vncviewer(only valid when vnc=1), default = 1
vncviewer=0

#----------------------------------------------------------------------------
# no graphics, use serial port
#nographic=0

#----------------------------------------------------------------------------
# enable stdvga, default = 0 (use cirrus logic device model)
stdvga=0

#-----------------------------------------------------------------------------
#   serial port re-direct to pty deivce, /dev/pts/n
#   then xm console or minicom can connect
serial='pty'

#----------------------------------------------------------------------------
# enable ne2000, default = 0(use pcnet)
ne2000=0


#-----------------------------------------------------------------------------
#   enable audio support
#audio=1


#-----------------------------------------------------------------------------
#    set the real time clock to local time [default=0 i.e. set to utc]
#localtime=1


#-----------------------------------------------------------------------------
#    start in full screen
#full-screen=1
--------------------------------

Further specs:
* Intel(R) Core(TM)2 CPU         T7200  @ 2.00GHz
* Linux version 2.6.18-1-xen-686 (Debian 2.6.18-2)

# dpkg -l "xen-*" | grep ii
ii xen-docs-3.0 3.0.3~rc4+hg11760-1 documentation for XEN, a Virtual Machine Monitor ii xen-docs-3.0-unstable 3.0-unstable+hg11561-1 documentation for XEN, a Virtual Machine Monitor ii xen-hypervisor-3.0-unstable-1-i386 3.0-unstable+hg11561-1 The Xen Hypervisor on i386-class ii xen-ioemu-3.0-unstable 3.0-unstable+hg11561-1 XEN administrative tools ii xen-linux-system-2.6.18-1-xen-686 2.6.18-2 XEN system with Linux 2.6.18 image on PPro/Celer ii xen-tools 2.7-4 Tools to manage debian XEN virtual servers ii xen-utils-3.0-unstable-1 3.0-unstable+hg11561-1 XEN administrative tools ii xen-utils-common 3.0+hg11624-2 XEN administrative tools - common files


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