[asterisk-users] asterisk 1.4 freezes with queues and iax after virtualization

[Gareth Blades]

On 29/07/13 12:15, samuel wrote:
> Hi folks,
>
> Recently a customer of us moved his "old" asterisk installation, an 
> 1.4.44 to a VMWARE infraestructure and has started having some weird 
> issues.
>
> Asterisk started going slow and even refused to start up. After few 
> tests, it only loaded when deactivating queues and iax2 (with noload 
> in modules file). The thing is that it had been working with these 
> modules loaded and lately it just freezes when trying to use these 
> modules.
>
> We've made some checks to the server and there seems to be no issues 
> with load, with swap, with wait (disk access), or other server parameters.
>
> Could it be some timing issues? How could we debug further the issue?
>
> Thanks a lot in advance,
> Samuel.
>
Timing could be an issue. Is dahdi installed?

Asterisk 1.4 is old and no longer supported. I would suggest upgrading 
which would also make the timerfd kernel timing source available if you 
are running on a recent operating system.  See 
https://wiki.asterisk.org/wiki/display/AST/Timing+Interfaces