[OpenSIPS-Devel] Hang due to "no more nonces can be generated"

[Alistair Cunningham]

Dan Pascu wrote:
> On Tuesday 02 December 2008, Alistair Cunningham wrote:
>> I've since set the following in config.h:
>>
>> #define PKG_MEM_POOL_SIZE 10*1024*1024
>>
>> and this problem has gone away (opensipsctl online produces 1793 lines
>> of output), but it's unclear whether this will help with the nonce
>> problem (I'm thinking probably not). In any case, may we please have
>> either a config file option or a command line option to set
>> PKG_MEM_POOL_SIZE without needing to patch the source code?
> 
> This will not fix your problem (though it may be useful to be able to set 
> it at run time). The issue is not that there is not enough memory, the 
> issue is fragmentation. If you use a command as ul_dump which allocates a 
> huge amount of small chunks, after they are released the memory is so 
> fragmented, that it's not able to allocate even 2kb, even though the pool 
> it's almost completely available.

Dan,

Thank you for the feedback. It does seem to cure it in the short term, 
but maybe it just delays the build-up of fragmentation. In any case, 
this is much less urgent than the nonce problem, which is effectively 
hanging OpenSIPS for all SIP packets.

Alistair Cunningham
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