[Freeswitch-users] Kernel timer warning with CentOS 5.4

Anthony Minessale anthony.minessale at gmail.com
Mon Mar 1 08:47:58 PST 2010

we are still wary about 5.3 due to bugs reported in libc.
What number does it say it detected for the gap?

On Sun, Feb 28, 2010 at 12:03 PM, Bruce Hopkins <jbrucehopkins at gmail.com>wrote:

> OK - I've realised I do get the same warning with CentOS 5.3, it just goes
> past more quickly so I didn't see it.  Maybe it is just the hardware ....
> On 28 February 2010 15:37, Bruce Hopkins <jbrucehopkins at gmail.com> wrote:
>> Hi,
>> I wonder if anyone would be able to advise please:
>> When I build FreeSWITCH on yum updated CentOS 5.4, I get a warning when I
>> start FreeSWITCH that
>> "Abnormally large timer gap detected"
>> "Do you have your kernel timer set to greater than 1kHz?  You may
>> experience audio problems".
>> I get no such warning if I build on CentOS 5.3, and the test timings it
>> measures on starting FreeSWITCH do look lower.  All I was doing to upgrade
>> to Centos5.4 was a yum update on the 5.3 build.
>> I guess the warning comes from here:
>> http://fisheye.freeswitch.org/browse/~raw,r=16409/FreeSWITCH/src/switch_time.c<http://fisheye.freeswitch.org/browse/%7Eraw,r=16409/FreeSWITCH/src/switch_time.c>
>> This is all on pretty low spec hardware - a couple of different Dell
>> optiplex p4's I use for testing.
>> Does anyone happen to know if I should just stick to Cent)S 5.3, or use
>> 5.4 and not worry about the warnings, or if there is something I can do to
>> fix the problem it is warning about.  Perhaps it is just that I shouldn't
>> use such crummy hardware?!
>> Many thanks in advance
>> Bruce
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Anthony Minessale II

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