SUJ deadlock

[Fabien Thomas]

>> Hi Jeff,
>> 
>> I'm with r207548 now and since some days i've system deadlock.
>> It seems related to SUJ with process waiting on suspfs or ppwait.
> 
> I've also seen it stalled in suspfs, but this information is way better
> than what I was able to garner.   I was only able to tell via ctrl-t on
> a stalled 'ls' process in a terminal before hard booting.
> 
> Right now it occurs everytime I attempt to do the portmaster -a upgrade
> of X/KDE on this system.

I've spotted this during multiple portupgrade -aR :)

Fabien