Hostname		vt-cr3
Dom0 OS			Fedora5
CPU		Conroe
Chipset 	 	Intel 965(broadwater) 
Memory size		2G
BIOS			CO96510J-86A.2254.2006.0316.1743


phenomena 
1) timer is suspect
[root@vt-cr3 nightly]# time sleep 30
real    0m0.033s
user    0m0.000s
sys     0m0.000s
I sleep 30 seconds, it return immediately

2) can not login in console
3) sshd broken, but can connect by VNC

log:
Timer ISR/0: Time went backwards: delta=-39995687 delta_cpu=50004313 shadow=0 off=3548840044663 
processed=3548880000000 cpu_processed=3548790000000
 0: 3548790000000
 1: 3548880000000
printk: 137 messages suppressed.
Timer ISR/1: Time went backwards: delta=-29997618 delta_cpu=80002382 shadow=0 off=3553870041177 
processed=3553900000000 cpu_processed=3553790000000
 0: 3553900000000
 1: 3553790000000
printk: 86 messages suppressed.
Timer ISR/1: Time went backwards: delta=-39996075 delta_cpu=60003925 shadow=0 off=3558800042007 
processed=3558840000000 cpu_processed=3558740000000
 0: 3558840000000
 1: 3558740000000
printk: 115 messages suppressed.
Timer ISR/1: Time went backwards: delta=-39996777 delta_cpu=60003223 shadow=0 off=3563820042663 
processed=3563860000000 cpu_processed=3563760000000
 0: 3563860000000
 1: 3563760000000
printk: 171 messages suppressed.
Timer ISR/1: Time went backwards: delta=-39996569 delta_cpu=50003431 shadow=0 off=3568800042278 
processed=3568840000000 cpu_processed=3568750000000
 0: 3568840000000
 1: 3568750000000
printk: 92 messages suppressed.
Timer ISR/1: Time went backwards: delta=-19996393 delta_cpu=80003607 shadow=0 off=3573870039962 
processed=3573890000000 cpu_processed=3573790000000
 0: 3573890000000
 1: 3573790000000
printk: 81 messages suppressed.
Timer ISR/1: Time went backwards: delta=-19996860 delta_cpu=40003140 shadow=0 off=3578850038647 
processed=3578870000000 cpu_processed=3578810000000
 0: 3578870000000
 1: 3578810000000
printk: 81 messages suppressed.