[OpenSIPS-Devel] potential timer shifting

[Edwin]

I upgraded opensips from 1.7.2 to the newest version 1.9.0-1-99301. I
installed opensips, opensips-dbg and opensips-mysql-module from
apt.opensips.org (deb http://apt.opensips.org/ stable19 main).
It's running on a virtual server (Proxmox KVM SMP Debian 3.2.39-2 x86_64
GNU/Linux):

cat /sys/devices/system/clocksource/clocksource0/current_clocksource
kvm-clock

Since the upgrade I see these errors in my log files:
Mar 26 09:21:39 opensips /usr/sbin/opensips[7057]:
CRITICAL:core:timer_ticker: timer handler <ul-timer> lasted (7490000 us) for
more than timer tick (1000000 us) -> potential timer shifting
Mar 26 09:22:40 opensips /usr/sbin/opensips[7057]:
CRITICAL:core:timer_ticker: timer handler <ul-timer> lasted (7030000 us) for
more than timer tick (1000000 us) -> potential timer shifting
Mar 26 09:23:42 opensips /usr/sbin/opensips[7057]:
CRITICAL:core:timer_ticker: timer handler <ul-timer> lasted (7190000 us) for
more than timer tick (1000000 us) -> potential timer shifting
Mar 26 09:24:45 opensips /usr/sbin/opensips[7057]:
CRITICAL:core:timer_ticker: timer handler <ul-timer> lasted (8550000 us) for
more than timer tick (1000000 us) -> potential timer shifting
Mar 26 09:25:44 opensips /usr/sbin/opensips[7057]:
CRITICAL:core:timer_ticker: timer handler <ul-timer> lasted (6050000 us) for
more than timer tick (1000000 us) -> potential timer shifting
etc etc...

Any ideas what can cause these errors (and how to solve the problem?) 



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