[Freeswitch-users] Reinstall FreeSWITCH after new kernel?
John
freeswitch at earthspike.net
Thu Dec 15 14:08:26 MSK 2011
Henrik,
I and some others have had problems with the 100Hz Ubuntu 10.04 LTS
kernel. All appeared to work for some days but occasionally choppy
calls occur, often only in one direction. We run a Sangoma BRI card
(B700) and the problem manifests on the outgoing path. I have recently
changed to the Ubuntu preemptive kernel (no kernel recompilation
required!) which has the 1000Hz timer and low-latency interrupt
response. After 10 days running so far, it appears to have cured the
problem.
Installing the pre-emptive kernel:
sudo apt-get install linux-image-preempt linux-headers-preempt
You will need the linux-headers-preempt if you need to rebuild kernel
drivers for any hardware (which I do).
You will be pleased to hear that you do not need to reinstall your
FreeSWITCH installation; the whole job takes less than 5 minutes.
John
On 15/12/11 09:16, François Delawarde wrote:
> Did you test with your 100hz kernel? It might work for your scenario.
>
>
> On Thu, 2011-12-15 at 00:50 +0100, Henrik Aagaard Sørensen wrote:
>> I've read a lot about the kernel timer and how it should be on 1000hz.
>> My clean install of Ubuntu has 100hz. So I guess I have to recompile
>> the kernel to 1000hz?
>>
>>
>> If so, does I have to reinstall FreeSWITCH after the new kernel
>> compile?
>>
>>
>> And does anyone knows of any tutorial about recompiling a Ubuntu 10.04
>> LTS kernel to 1000hz?
>
>
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