lock when building llvm37 on RPI3

[tech-lists]

On 02/05/2017 11:48, Otacílio wrote:
> Hello
> 
> 1. No, I not installed ccache previously. Thank you by your hint.
> 
> 2. Yes. I'm using a external USB hard disk (Seagate, 500 GB auto
> powered).  /usr/obj /usr/ports and /usr/src is mounted there.
> 
> 3. No. I will do it also.
> 
> Unhappily I was using a NODEBUG kernel and no hint about the deadlock
> was printed. Maybe the deadlock can be caused by the micro SD HC card
> used but I can not affirm.
> 
> I give another try and this time I got a kernel panic at
> reclaim_pv_chunk http://imgur.com/XLiziq1

I'm unable to parse stack traces, but I know that with microsd cards,
that they can go wrong in odd ways. If the kernel tries to read
something essential to itself and can't, that can cause a panic. So the
next thing i'd try is another, new, microsd card.

-- 
J.