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chavpaskov at shaw.ca
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 Posted: Mon Jan 26, 2009 6:23 pm Post subject: [Freeswitch-users] [CRIT] softtimer_runtime() Virtual Migrat |
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Hi everybody,
i got a strange message today:
[CRIT] softtimer_runtime() Virtual Migration Detected! Syncing Clock
i'm running 1.0.trunk (10803) as a VM on ESXi
i have a similar setup of 1.0.1 as VM on ESXi but i've never seen
this message.
Does anybody have an idea what is wrong here?
All tips / hints appreciated.
Best Regards
Chav
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brian at freeswitch.org
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| Posted: Mon Jan 26, 2009 6:34 pm Post subject: [Freeswitch-users] [CRIT] softtimer_runtime() Virtual Migrat |
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It means your clock is slipping .. which is bad... The error is for
when you do a migration say between two xen boxes or two openvz boxes
so that things will carry on once the migration is done. (or your
clock is slipping)
/b
On Jan 26, 2009, at 5:28 PM, Adam Long wrote:
| Quote: | I have seen that randomly during core dumps back when mod_managed was
causing core dump on load.
I am running VMWare ESX 3.5 not ESXi
My curiousity was peaked as well, however I dismissed that as
something to
do with slow/inacurate timing in vmware.
I do not have my ESX interupts tuned at all, just set to default
install
values.
I too would be curious what exactly this means.
Regards,
-Adam
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chavpaskov at shaw.ca
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| Posted: Mon Jan 26, 2009 6:43 pm Post subject: [Freeswitch-users] [CRIT] softtimer_runtime() Virtual Migrat |
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Brian West wrote:
| Quote: | It means your clock is slipping .. which is bad... The error is for
when you do a migration say between two xen boxes or two openvz boxes
so that things will carry on once the migration is done. (or your
clock is slipping)
/b
On Jan 26, 2009, at 5:28 PM, Adam Long wrote:
| Quote: | I have seen that randomly during core dumps back when mod_managed was
causing core dump on load.
I am running VMWare ESX 3.5 not ESXi
My curiousity was peaked as well, however I dismissed that as
something to
do with slow/inacurate timing in vmware.
I do not have my ESX interupts tuned at all, just set to default
install
values.
I too would be curious what exactly this means.
Regards,
-Adam
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Thanks for the prompt response.
will it help if i set a cron job to keep up the clock correct?
i'm just curious because i definitely have no migration process set.
Regards
Chav
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brian at freeswitch.org
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| Posted: Mon Jan 26, 2009 6:49 pm Post subject: [Freeswitch-users] [CRIT] softtimer_runtime() Virtual Migrat |
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running ntpd will help but if your clock is slipping that much you
might want to re-task the machine as a boat anchor.
/b
On Jan 26, 2009, at 5:42 PM, Chav Paskov wrote:
| Quote: | Thanks for the prompt response.
will it help if i set a cron job to keep up the clock correct?
i'm just curious because i definitely have no migration process set.
Regards
Chav
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brian at freeswitch.org
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| Posted: Mon Jan 26, 2009 7:17 pm Post subject: [Freeswitch-users] [CRIT] softtimer_runtime() Virtual Migrat |
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haha so was that one!  Anchors Away!!!
/b
On Jan 26, 2009, at 6:11 PM, Adam Long wrote:
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chavpaskov at shaw.ca
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| Posted: Mon Jan 26, 2009 8:01 pm Post subject: [Freeswitch-users] [CRIT] softtimer_runtime() Virtual Migrat |
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Brian West wrote:
thanks Adam
i think i narrowed it down.
this is rather interesting actually.
have a look what i found:
on the same ESXi i have 3 VMs
Centos 5 running 2.6.18-53.el5 - no clock slipping issues
Ubuntu 8.04.1 - 2.6.24-19- virtual clock is running faster
Ubuntu 8.04.1 - 2.6.24-22-virtual clock running faster
So now question is : is this a Distro related or kernel related issue ?
/so i guess i'll have to buy a real anchor for my boat /
i see that this subject is probably for another forum but probably
makes sense to mention that when it comes to freeswitch deployment ,if
you do not want to deal with timers and so on you might just
pick the right Distro. as for me... i guess i just learned something
new ... so today was not lost .
Thank you Brian / Adam.
Best Regards
Chav
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