Compilation x11/libX11 fails with panic

[Ian Lepore]

On Tue, 2014-11-18 at 19:16 +0100, Ulrich Grey wrote:
> I am trying to compile x11/libX11 with a Wandboard-Quad:
> 
> FreeBSD 11.0-CURRENT #0 r274634M: Tue Nov 18 00:44:36 UTC 2014
>     gwgpi at quad:/usr/local/DEVEL/obj/usr/local/DEVEL/SRC/head/sys/WANDBOARD-QUAD
> arm
> FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
> CPU: Cortex A9-r2 rev 10 (Cortex-A core)
>  Supported features: ARM_ISA THUMB2 JAZELLE THUMBEE ARMv4 Security_Ext
> 
> The compilation fails with this message:
> 
> --- XKBGeom.lo
> ---  CC
> XKBGeom.lo
> --- XKBSetGeom.lo
> ---  CC
> XKBSetGeom.lo <jemalloc>: jemalloc_arena.c:600: Failed assertion:
> "arena_mapbits_unzeroed_get(chunk, i) == unzeroed"  
[...]

I'm curious whether the workaround mentioned recently by Jurgen Weiss
also works for you, that is, setting:

 vm.pmap.sp_enabled=0

in loader.conf or using sysctl.  It's not a fix of course, but it might
help you make progress, and it would be a clue where we should start
looking for trouble.

-- Ian