Finally got the reason.


2014-05-23 3:17 GMT-04:00 Charles Forsyth <charles.forsyth@gmail.com>:

>
> On 23 May 2014 05:42, yan cui <ccuiyyan@gmail.com> wrote:
>
>> which turns out the reason of blocking drawterm, although do not know the
>> detailed reason. Sorry for the noise.
>
>
> /rc/bin/cpurc has
>
> # cpu-specific startup
> if(test -e /cfg/$sysname/cpurc)
> . /cfg/$sysname/cpurc
>
> but that precedes setting up the network, listeners,
> so if you exec at that point, most of initialisation will be missed
>



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