[TriLUG] Time lag post kernel update

Kevin Hunter khunter at rhoworld.com
Tue Mar 5 11:24:56 EST 2002


I posted about this a couple of weeks ago, but now I have the same
symptom on a 2nd RH 7.2 box.  I have a development and a production
RH 7.2 system.  I run ntpdate once every morning to resync the
clocks.  Yes, I know about ntpd, but it's not that critical that the
times are that accurate.  

I upgraded the kernel on the test system from 2.4.7-10smp to
2.4.9-31smp.  The time offset went from the 0.0x range to around 7.x
seconds post kernel update.  Its been consistently around 7 seconds
ever since.  The production box remained around the 0.0x range till
last night, when I updated it from 2.4.7-10smp to 2.4.9-31smp as
well.  Today it's offset was 1.5 seconds.  Granted I have to wait and
see if it moves back down, but this is a noticable difference.  

I installed the following rpm's on both machines:

kernel-headers-2.4.9-31.i386.rpm
kernel-2.4.9-31.i686.rpm
kernel-smp-2.4.9-31.i686.rpm

Both machines where "up2date" prior to this manual kernel update.  I
know this might now sound like a big deal to most of you, but I find
it disconcerting that my systems are losing several seconds a day,
when they were maintaining fairly accurate time before.  Have I done
something wrong ??  What questions do I need to ask myself?

Thx!!

KH




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