[Freeswitch-users] Kernel timer warning with CentOS 5.4

Wed Mar 10 11:38:21 PST 2010

Many thanks for the info.  I was using a fairly crummy 32 bit box with no
PSTN card installed.  There was no degredation of the audio immediately
apparent.

Bests
Bruce

On 10 March 2010 16:25, Anthony Minessale <anthony.minessale at gmail.com>wrote:

> FS now tries to determine how accurate the timing is by doing some tests
> with 1ms sleeps.
> Most 64 bit CentOS box I have seen can easily calibrate.
> If you are having that error alot but the calls still sound ok, it's safe
> to ignore it.
> you can also start FS with -nocal to skip this test.
>
> Also make sure you do not have any other cpu-intensive application on your
> box possibly competing for resources.
>
>
>
> On Wed, Mar 10, 2010 at 3:42 AM, Tihomir Culjaga <tculjaga at gmail.com>wrote:
>
>> i have the same issue but on centos 4.8 ... on 5.4 doesn't complain...
>>
>> what is this related to ?
>>
>> T.
>>
>>
>> On Mon, Mar 8, 2010 at 2:25 PM, Bruce Hopkins <jbrucehopkins at gmail.com>wrote:
>>
>>> Hi Anthony,
>>>
>>> Many, many apologies to take so long to reply - I failed to notice your
>>> response.  Sorry !
>>>
>>> It seems to be variable.  Most times (on CentOS 5.3) when I start FS it
>>> tells me it is around 1995ms.  Occasionally it is lower (sub 1000ms) and
>>> then does not give a warning.
>>>
>>> Best wishes
>>> Bruce
>>>
>>>
>>> On 1 March 2010 16:47, Anthony Minessale <anthony.minessale at gmail.com>wrote:
>>>
>>>> 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
>>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> FreeSWITCH-users mailing list
>>>>> FreeSWITCH-users at lists.freeswitch.org
>>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>>> UNSUBSCRIBE:
>>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>>> http://www.freeswitch.org
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Anthony Minessale II
>>>>
>>>> FreeSWITCH http://www.freeswitch.org/
>>>> ClueCon http://www.cluecon.com/
>>>> Twitter: http://twitter.com/FreeSWITCH_wire
>>>>
>>>> AIM: anthm
>>>> MSN:anthony_minessale at hotmail.com <MSN%3Aanthony_minessale at hotmail.com>
>>>> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com<PAYPAL%3Aanthony.minessale at gmail.com>
>>>> IRC: irc.freenode.net #freeswitch
>>>>
>>>> FreeSWITCH Developer Conference
>>>> sip:888 at conference.freeswitch.org <sip%3A888 at conference.freeswitch.org>
>>>> iax:guest at conference.freeswitch.org/888
>>>> googletalk:conf+888 at conference.freeswitch.org<googletalk%3Aconf%2B888 at conference.freeswitch.org>
>>>> pstn:+19193869900
>>>>
>>>> _______________________________________________
>>>> FreeSWITCH-users mailing list
>>>> FreeSWITCH-users at lists.freeswitch.org
>>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>>> UNSUBSCRIBE:
>>>> http://lists.freeswitch.org/mailman/options/freeswitch-users
>>>> http://www.freeswitch.org
>>>>
>>>>
>>>
>>> _______________________________________________
>>> FreeSWITCH-users mailing list
>>> FreeSWITCH-users at lists.freeswitch.org
>>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>>> http://www.freeswitch.org
>>>
>>>
>>
>> _______________________________________________
>> FreeSWITCH-users mailing list
>> FreeSWITCH-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>>
>
>
> --
> Anthony Minessale II
>
> FreeSWITCH http://www.freeswitch.org/
> ClueCon http://www.cluecon.com/
> Twitter: http://twitter.com/FreeSWITCH_wire
>
> AIM: anthm
> MSN:anthony_minessale at hotmail.com <MSN%3Aanthony_minessale at hotmail.com>
> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com<PAYPAL%3Aanthony.minessale at gmail.com>
> IRC: irc.freenode.net #freeswitch
>
> FreeSWITCH Developer Conference
> sip:888 at conference.freeswitch.org <sip%3A888 at conference.freeswitch.org>
> iax:guest at conference.freeswitch.org/888
> googletalk:conf+888 at conference.freeswitch.org<googletalk%3Aconf%2B888 at conference.freeswitch.org>
> pstn:+19193869900
>
> _______________________________________________
> FreeSWITCH-users mailing list
> FreeSWITCH-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20100310/480402e1/attachment-0002.html 