[Xen-users] Xen3: Unable to start xenU with Intel Core Duo T2050

[Rainer Ternes <rternes@xxxxxx>]

I have problems to get Xen 3.0 working on my notebook (FSC AMILO Pro
V3205). I already used different operating systems for the xen0 domain,
like FC5, SUSE 10.1 und Debian SID (2.6.16-2-xen-smp) but i always run
into the same trouble. When I try to start a xenU domain it always hangs
and I get this:

-----------------------------------------------------------------------
debian37:~# xm create /etc/xen/vmsid1.cfg -c
Using config file "/etc/xen/vmsid1.cfg".
Started domain vmsid1
Linux version 2.6.16-2-xen-686 (Debian 2.6.16-17) (waldi@xxxxxxxxxx)
(gcc versio n 4.0.4 20060630 (prerelease) (Debian 4.0.3-4)) #1 SMP Sun
Jul 16 01:42:25 UTC 2 006
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 0000000008000000 (usable)
0MB HIGHMEM available.
136MB LOWMEM available.
ACPI in unprivileged domain disabled
IRQ lockup detection disabled
Built 1 zonelists
Kernel command line:  root=/dev/sda1 ro
Enabling fast FPU save and restore... done.
Enabling unmasked SIMD FPU exception support... done.
Initializing CPU#0
PID hash table entries: 1024 (order: 10, 16384 bytes)
Xen reported: 1596.544 MHz processor.
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Software IO TLB disabled
vmalloc area: b9000000-fb7fe000, maxmem 43ffe000
Memory: 121696k/139264k available (1507k kernel code, 9232k reserved,
527k data,  144k init, 0k highmem)
Checking if this processor honours the WP bit even in supervisor mode...
Ok.

-------------------------------------------------------------------------

Nothing else happens in the xenU domain. 

In "/var/log/messages" in the dom0 domain I get this: 

------------------------------------------------------------------------
Aug 18 21:27:39 debian37 kernel:  0: 3529560000000
Aug 18 21:27:39 debian37 kernel:  1: 3529448000000
Aug 18 21:27:43 debian37 kernel: device vif6.0 entered promiscuous mode
Aug 18 21:27:43 debian37 kernel: xenbr0: port 3(vif6.0) entering
learning state
Aug 18 21:27:43 debian37 kernel: xenbr0: topology change detected,
propagating
Aug 18 21:27:43 debian37 kernel: xenbr0: port 3(vif6.0) entering
forwarding state
Aug 18 21:27:44 debian37 kernel: printk: 161 messages suppressed.
Aug 18 21:27:44 debian37 kernel: Timer ISR/1: Time went backwards:
delta=-36922242 delta_cpu=51077758 shadow=918553 off=3534535644052
processed=3534572000000 cpu_processed=3534484000000
Aug 18 21:27:44 debian37 kernel:  0: 3534572000000
Aug 18 21:27:44 debian37 kernel:  1: 3534484000000
-----------------------------------------------------------------------


This is the output of "/proc/cpuinfo":
-----------------------------------------------------------------------
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 14
model name      : Genuine Intel(R) CPU           T2050  @ 1.60GHz
stepping        : 8
cpu MHz         : 1596.527
cache size      : 2048 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 10
wp              : yes
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat clflush
dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc pni monitor est
tm2 xtpr
bogomips        : 3993.07

processor       : 1
vendor_id       : GenuineIntel
cpu family      : 6
model           : 14
model name      : Genuine Intel(R) CPU           T2050  @ 1.60GHz
stepping        : 8
cpu MHz         : 1596.527
cache size      : 2048 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 10
wp              : yes
flags           : fpu tsc msr pae mce cx8 apic mtrr mca cmov pat clflush
dts acpi mmx fxsr sse sse2 ss ht tm pbe nx constant_tsc pni monitor est
tm2 xtpr
bogomips        : 3993.07
------------------------------------------------------------------------


I would appreciate any suggestions.

Rainer

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