Wandboard-Quad crashes

[Rui Paulo]

On Nov 13, 2014, at 03:52, Ulrich Grey <usenet at ulrich-grey.de> wrote:
> 
> I am running FreeBSD on a Wandboard-Quad:
> 
> FreeBSD 11.0-CURRENT #0 r274420M: Wed Nov 12 14:17:26 UTC 2014
>    user 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 WARNING: WITNESS option enabled, expect reduced performance.
> CPU: Cortex A9-r2 rev 10 (Cortex-A core)
> Supported features: ARM_ISA THUMB2 JAZELLE THUMBEE ARMv4 Security_Ext
> 
> If I try to compile x11/libX11 the system frequently crashes:
> 
> Fatal kernel mode data abort: 'Alignment Fault 1'
> trapframe: 0xf72e0ae8
> FSR=00000001, FAR=000000a7, spsr=60000013
> r0 =00000004, r1 =00000000, r2 =c242b953, r3 =00000970
> r4 =c847fd80, r5 =c242b953, r6 =000000a7, r7 =c7df6810
> r8 =00000000, r9 =00000097, r10=00000970, r11=f72e0b68
> r12=000000c0, ssp=f72e0b38, slr=c220ebf4, pc =c214fbb4
> 
> [ thread pid 23015 tid 100147 ]
> 
> Stopped at      __mtx_lock_flags+0x50:  ldr     r0, [r6]
> 
> What can I do?

Can you send us the backtrace?

--
Rui Paulo