[openfabrics-ewg] [openib-general] OFED 1.1 RC7 fork() issue.

Tziporet Koren tziporet at dev.mellanox.co.il
Tue Oct 17 00:52:44 PDT 2006


glebn at voltaire.com wrote:
> On Tue, Oct 17, 2006 at 09:21:12AM +0200, Or Gerlitz wrote:
> Tang, Changqing wrote:
>   
>> We tested RC7, but fork() does not work:
>>
>> 1. system() causes IB to fail.
>> 2. fork(), child calling exit(0) immediately also causes IB to fail. 
>>
>> Anyone has tested fork() related issue ?
>>
>>     
> What kernel are you testing? system() should work (in non threaded apps at
> least) with modern kernel.
>
> --
> 			Gleb.
>
> _______________________________________________
>   


 From the OFED release notes:

3. Fork support from kernel 2.6.12 and above is available provided that
   applications do not use threads. Only system() or fork() and immediate
   exec() are supported.

Tziporet




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