[Xen-users] hvm install through serial console

[Sergi Seira <s.seira@xxxxxxxxx>]

Hello,

I am trying to install a debian hardware virtual machine using console port - 
not vnc - hoping to be able to do the installation with xm console domid.
Dom0 is a debian etch server, Xen version 3.2.1.
First of all I'm trying to customize debian netinst cdrom in order to make it 
talk through serial line. I suppose my mistake starts here, for I don't know if 
this is really possible to achieve.
    
I edit isolinux.cfg (maybe there is more to be edited to make it work,initrd.gz 
too?) :

/isolinux/isolinux.cfg

SERIAL 0
CONSOLE 0
DISPLAY boot.txt

F1 f1.txt
F2 f2.txt
F3 f3.txt
F4 f4.txt
F5 f5.txt
F6 f6.txt
F7 f7.txt
F8 f8.txt
F9 f9.txt
F0 f10.txt

DEFAULT install

LABEL install
        kernel /install.amd/vmlinuz
        APPEND console=tty0 console=ttyS0,115200n8 
initrd=/install.amd/initrd.gz --
...


then I create the iso image :

mkisofs -pad -l -r -J -v -V "Debian GNU/Linux 4.0 r4a" -no-emul-boot 
-boot-load-size 4 -boot-info-table -b isolinux/isolinux.bin -c 
isolinux/boot.cat -hide-rr-moved -o 
/tmp/hvm01/debian-40r4a-amd64-netinst-console.iso /tmp/hvm01/cdrom


and finally try to start it :

xm create /etc/xen/hvm01.cfg

kernel = "/usr/lib/xen-3.2-1/boot/hvmloader"
builder='hvm'
memory = 512
name = "hvm01"
pae=0
acpi=0
apic=0
vif = [ 'type=ioemu, bridge=eth0, model=ne2k_pci' ]
disk = [ 
'file:/tmp/hvm01/disk.img,hda,w','file:/tmp/hvm01/debian-40r4a-amd64-netinst-console.iso,hdc:cdrom,r'
 ]
on_poweroff = 'destroy'
on_reboot   = 'restart'
on_crash    = 'destroy'
device_model = '/usr/lib/xen-3.2-1/bin/qemu-dm'
boot="dca"
sdl=0
vnc=0
vncpasswd=''
nographic=1
stdvga=0
serial='pty'


xend unpauses the DomU after a minute or so, but console doesn't show anything.
'xm list' says I have a DomU running ... and 'xm top' says that this domu uses 
100% CPU.

NAME  STATE   CPU(sec) CPU(%)     MEM(k) MEM(%)  MAXMEM(k) MAXMEM(%)VCPUS NETS 
NETTX(k) NETRX(k) VBDS   VBD_OO   VBD_RD   VBD_WR SSID
Domain-0 -----r      50809   37.4     524460    3.1   no limit      n/a     8   
 4        0        0    0        0        0        0 2149957044
hvm01 -----r         12  100.0     532348    3.2     540672      3.2     1    0 
       0        0    2        0        0        0 2149957044


As I think the problem must be in the debian iso image I have searched the web 
for a already customized image with no success.
Anyone already tried this?

Thanks for reading,
regards,
Sergi


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