How much free memory was on the system?  That error message can also
happen if there's not enough memory allocate a new process. 

> -----Original Message-----
> From: Marc Roessler [mailto:community-noreply@qnx.com] 
> Sent: April 17, 2009 10:17 AM
> To: ostech-core_os
> Subject: strange issue: "cannot fork"
> 
> Hi,
> 
> I was just testing ETFS  (creating a copy of a file, both src 
> and dst in ETFS).. as I tried to issue further shell 
> commands, i got the message:
> "ksh: cannot fork".
> 
> To the best of my knowledge on Unix this happens when the 
> process table is full (happened to me once on an old SunOS 
> box when a fork bomb cut loose...)...
> But a quick look into the process table using the already 
> running qconn showed that there was nothing unusual 
> concerning the amount of processes running.
> 
> This didn't clear itself, so i needed to reboot.
> 
> This was on qnx 6.4.0 on mpc8313....
> 
> Any ideas?
> 
> Greetings,
>  Marc
> 
> _______________________________________________
> OSTech
> http://community.qnx.com/sf/go/post27348
> 
>