Xen 4.0.1 on ubuntu 10.04

The most recent pvops kernel 2.6.32.19 allows to enable kernel modesetting (KMS) under Xen 4.0.1-rc6 on top of Ubuntu Lucid Server and Fedora 13. Actually , current setup of Xen 4.0.1&PVOPS on top of Ubuntu 10.04 Server is different from

http://wiki.xen.org/xenwiki/Xen4.0 : How to install Xen 4.0 ([1])

and brief instructions follow bellow. Status of the problem in general along with list of video adapters been tested may be viewed at

http://wiki.xensource.com/xenwiki/XenPVOPSDRM ([3]) .

Current test has been done with Radeon HD 4650, which is not on list above.
Install packages bellow :-
apt-get install libcurl4-openssl-dev \ xserver-xorg-dev \ mercurial gitk \ build-essential \ libncurses5-dev \ uuid-dev gawk \ gettext texinfo bcc \ libncurses5-dev dpkg-dev debhelper \ iasl texinfo bridge-utils bison flex \ kernel-package fakeroot apt-get build-dep xen-3.3
Setup pvops kernel 2.6.32.19 with KMS enabled.
Now clone Jeremy Fitzhardinge git repository and checkout branch xen/stable-2.6.32.x
cd /usr/src git clone git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen.git linux-2.6-xen cd linux-2.6-xen git checkout -b xen/stable-2.6.32.x origin/xen/stable-2.6.32.x make menuconfig # and setup Xen Dom0 support

Build kernel in Debian way. Config may be viewed here
export CONCURRENCY_LEVEL=(number_of_cores) +1 make-kpkg clean fakeroot make-kpkg --initrd --append-to-version=-xen kernel-image kernel-headers dpkg -i ../linux-image-2.6.32.19-xen_2.6.32.19-xen-10.00.Custom_amd64.deb update-initramfs -c -k 2.6.32.19-xen
Set up Xen 4.0.1-rc6
# cd /usr/src # hg clone http://xenbits.xensource.com/staging/xen-4.0-testing.hg # cd xen-4.0-testing.hg # make xen # make tools # make install-xen # make install-tools PYTHON_PREFIX_ARG=
Set up xend,xendomains to run as services

update-rc.d xend defaults 20 21
update-rc.d xendomains defaults 21 20

Reboot in Xen with grub entry
menuentry "Xen 4.0.1-rc6 / Ubuntu 10.04 kernel 2.6.32.19" { insmod ext2 set root='(hd0,9)' multiboot (hd0,9)/boot/xen.gz dummy=dummy module (hd0,9)/boot/vmlinuz-2.6.32.19-xen dummy=dummy root=/dev/sdb5 ro console=tty0 module (hd1,5)/boot/initrd.img-2.6.32.19-xen }
Verify environment
root@ServerLDX:~# xm info host : ServerLDX release : 2.6.32.19-xen version : #3 SMP Tue Aug 17 17:45:48 MSD 2010 machine : x86_64 nr_cpus : 4 nr_nodes : 1 cores_per_socket : 4 threads_per_core : 1 cpu_mhz : 2833 hw_caps : bfebfbff:20100800:00000000:00000940:0408e3fd:00000000:00000001:00000000 virt_caps : hvm total_memory : 8190 free_memory : 1024 node_to_cpu : node0:0-3 node_to_memory : node0:1024 node_to_dma32_mem : node0:1024 max_node_id : 0 xen_major : 4 xen_minor : 0 xen_extra : .1-rc6 xen_caps : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 xen_scheduler : credit xen_pagesize : 4096 platform_params : virt_start=0xffff800000000000 xen_changeset : Fri Aug 13 15:06:24 2010 +0100 21321:5e8df2d2ef6f xen_commandline : dummy=dummy cc_compiler : gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) cc_compile_by : root cc_compile_domain : cc_compile_date : Sun Aug 15 18:49:37 MSD 2010 xend_config_format : 4 root@ServerLDX:~# brctl show bridge name bridge id STP enabled interfaces eth0 8000.90e6ba2d11eb no peth0 virbr0 8000.000000000000 yes
Dmesg fragment
[drm] radeon: Initializing kernel modesetting. [drm] register mmio base: 0xFE8E0000 [drm] register mmio size: 65536 ATOM BIOS: 11X [drm] Clocks initialized ! mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining [drm] Detected VRAM RAM=256M, BAR=256M [drm] RAM width 128bits DDR [TTM] Zone kernel: Available graphics memory: 4074556 kiB. [TTM] Zone dma32: Available graphics memory: 2097152 kiB. [drm] radeon: 256M of VRAM memory ready [drm] radeon: 512M of GTT memory ready. [drm] Loading RV730 CP Microcode platform radeon_cp.0: firmware: requesting radeon/RV730_pfp.bin platform radeon_cp.0: firmware: requesting radeon/RV730_me.bin [drm] GART: num cpu pages 131072, num gpu pages 131072 [drm] ring test succeeded in 1 usecs [drm] radeon: ib pool ready. [drm] ib test succeeded in 0 usecs [drm] Radeon Display Connectors [drm] Connector 0: [drm] HDMI-A [drm] DDC: 0x7f10 0x7f10 0x7f14 0x7f14 0x7f18 0x7f18 0x7f1c 0x7f1c [drm] Encoders: [drm] DFP2: INTERNAL_UNIPHY1 [drm] Connector 1: [drm] VGA [drm] DDC: 0x7e20 0x7e20 0x7e24 0x7e24 0x7e28 0x7e28 0x7e2c 0x7e2c [drm] Encoders: [drm] CRT2: INTERNAL_KLDSCP_DAC2 [drm] Connector 2: [drm] DVI-I [drm] DDC: 0x7e40 0x7e40 0x7e44 0x7e44 0x7e48 0x7e48 0x7e4c 0x7e4c [drm] Encoders: [drm] CRT1: INTERNAL_KLDSCP_DAC1 [drm] DFP1: INTERNAL_UNIPHY [drm] fb mappable at 0xD0141000 [drm] vram apper at 0xD0000000 [drm] size 5242880 [drm] fb depth is 24 [drm] pitch is 5120 executing set pll executing set crtc timing [drm] TV-11: set mode 1280x1024 19 Console: switching to colour frame buffer device 160x64 fb0: radeondrmfb frame buffer device registered panic notifier [drm] Initialized radeon 2.0.0 20080528 for 0000:01:00.0 on minor 0
Setup Libvirt 0.8.2 per [2] and test virt-install F13 for instance.

OSOL 134 running as PV guest

Snapshots for Fedora 13

References
View http://wiki.xen.org/xenwiki/Xen4.0
Tutorials to install Xen 4.0
1. Xen 4.0 on Ubuntu 10.04: http://bderzhavets.wordpress.com/2010/04/24/set-up-ubuntu-10-04-server-pv-domu-at-xen-4-0-dom0-pvops-2-6-32-10-kernel-dom0-on-top-of-ubuntu-10-04-server/
2. Xen 4.0 + virt-manager on Ubuntu 10.04: http://bderzhavets.wordpress.com/2010/06/02/setup-libvirt-0-8-0-xen-4-0-on-top-of-ubuntu-10-04-server-via-daniel-baumann-virtualization-ppa/
3.http://wiki.xensource.com/xenwiki/XenPVOPSDRM

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