Enabling debug on kernel I realized the problem is related to timer accuracy.
------------------------------------------------------------------------
hal9k-dom0 ~ # cat /proc/timer_list
Timer List Version: v0.3
HRTIMER_MAX_CLOCK_BASES: 2
now at 784689453083 nsecs
cpu: 0
 clock 0:
 .index: 0
 .resolution: 999848 nsecs
[........]
hal9k-dom0 ~ # cat
/sys/devices/system/clocksource/clocksource0/available_clocksource
xen jiffies
hal9k-dom0 ~ # cat
/sys/devices/system/clocksource/clocksource0/current_clocksource
xen
------------------------------------------------------------------------
Is there a way to make available a better timer (hpet,acpi....)?
Also, on another xen box (rhel 5.2), I've a 'pit' clocksource in
available_clocksource.
After:
# sysctl -w xen.independent_wallclock=1
and
------------------------------------------------------------------------------------------------------------------------------------
# echo pit > /sys/devices/system/clocksource/clocksource0/current_clocksource
[root@station1 init.d]# cat
/sys/devices/system/clocksource/clocksource0/current_clocksource
jiffies
------------------------------------------------------------------------------------------------------------------------------------
the clocksource is unmodified.
m-
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