[Xen-users] hi all..... probleme with clocksource

[amina elbekkali <aelbekkali@xxxxxxxxx>]

HI everybody, i wish you are all fine

I'm actually working in a project based on xen 3.2 wich was installed in debian lenny 5.0

afeter being installed (the hypervisor); i created a first virtual machine and  things were going verry well still i rebooted the dom0 (the host); afet that; the virtual machine shell display this strange and unending messages:


 5933.125364] clocksource/0: Time went backwards: ret=2ee31f49829 delta=-5892086159522 shadow=2ee2e490302 offset=3abce2e
[ 5933.125368] __ratelimit: 3750 messages suppressed
[ 5933.125368] clocksource/0: Time went backwards: ret=2ef5bfb10b8 delta=-5887086125075 shadow=2ef584efaba offset=3ac4ee1
[ 5933.125372] __ratelimit: 3750 messages suppressed
[ 5933.125372] clocksource/0: Time went backwards: ret=2f0860093fd delta=-5882086153422 shadow=2f082551c87 offset=3abacf7
[ 5933.125376] __ratelimit: 3750 messages suppressed
[ 5933.125376] clocksource/0: Time went backwards: ret=2f1b006c737 delta=-5877086136724 shadow=2f1ac5b47ff offset=3abb52a
[ 5933.125380] __ratelimit: 3750 messages suppressed
[ 5933.125380] clocksource/0: Time went backwards: ret=2f2da0c691a delta=-5872086157233 shadow=2f2d660c71e offset=3abd321
[ 5933.125383] __ratelimit: 3750 messages suppressed
[ 5933.125383] clocksource/0: Time went backwards: ret=2f40412b64a delta=-5867086133889 shadow=2f40066b202 offset=3ac3d66

................................................

on the net, i found that the probleme can be solved; i should just follow this tutorial:

http://tuttodebian.blogspot.com/2008/05/xen-clocksource0-time-went-backwards.html

unfortunately after this 4steps:

#cat /etc/sysctl.conf | grep xen
xen.independent_wallclock=1

# cat /sys/devices/system/clocksource/clocksource0/current_clocksource
xen

# cat /sys/devices/system/clocksource/clocksource0/available_clocksource
xen jiffies

# echo jiffies > /sys/devices/system/clocksource/clocksource0/current_clocksource

i couldn't find in the configuration file of the virtual machine the line:

extra = 'xencons=tty clocksource=jiffies'

so the probleme still exist.

please if someone was once able to solve this problem. please post me the solution i will be grateful.

regards

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