Wandboard-Quad crashes

Fri Nov 14 11:05:46 UTC 2014

On Thu, 13 Nov 2014 08:37:13 -0800
Rui Paulo <rpaulo at me.com> wrote:

> 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
> 
--------------------------------------------------------

After some hours compiling, the Wandboard crashes again:

Tracing command c++ pid 16704 tid 100096 td 0xc78cf000

db_trace_self() at db_trace_self

         pc = 0xc23beab8  lr = 0xc2038874 (db_stack_trace_all+0x78)

         sp = 0xfb1e96d0  fp = 0xfb1e9800

        r10 = 0xc25795e0

db_stack_trace_all() at db_stack_trace_all+0x78

         pc = 0xc2038874  lr = 0xc20383bc (db_command+0x270)

         sp = 0xfb1e9808  fp = 0xfb1e98a8

         r4 = 0x00000000  r5 = 0x00000000

         r6 = 0x00000000  r7 = 0xc20387fc

         r8 = 0x00000001  r9 = 0xc24c1590

        r10 = 0xc257955c

db_command() at db_command+0x270

         pc = 0xc20383bc  lr = 0xc2038120 (db_command_loop+0x60)

         sp = 0xfb1e98b0  fp = 0xfb1e98c0

         r4 = 0xc24031c1  r5 = 0xc241b12f

         r6 = 0xc2579548  r7 = 0xfb1e9ae0

         r8 = 0x00000001  r9 = 0xc24c1828

        r10 = 0xc25152f4

--More--

 - - M o re  - -

db_command_loop() at db_command_loop+0x60

--More--

Bad character

--More--

- - M o r e - -pc
 = 0xc2038120  lr = 0xc203ab94 (db_trap+0xd8)

--More--

T r a c i n g   c o  m m a n d   c + +   p id   1 6  70 4    t i d   10
0 0 9 6    t d   0 x c7 8 c f 0 0 0  

 -sp-M o r e  - - 
 = 0xfb1e98c8  fp = 0xfb1e99e8

--More--

cpu_switch() at cpu_switch+0x50

--More--

         r4 = 0xfb3e6bb8  r5 = 0xc2579554

--More--

         r6 = 0xc2515318

--More--

db_trap() at db_trap+0xd8

--More--

         pc = 0xc23d4110  lr = 0xc242138d (0xc242138d)

--More--

         pc = 0xc203ab94  lr = 0xc219fb54 (kdb_trap+0x15c)

--More--

         sp = 0xfb1e9de0  fp = 0xfb1e9e10

--More--

         sp = 0xfb1e99f0  fp = 0xfb1e9a10

--More--

         r4 = 0x00000000  r5 = 0x00000017

--More--

         r6 = 0xc2515318  r7 = 0xfb1e9ae0

--More--

kdb_trap() at kdb_trap+0x15c

--More--

         pc = 0xc219fb54  lr = 0xc23d4fd8 (dab_fatal+0x174)

--More--

         r4 = 0xc789bc80  r5 = 0xfb1e9e58

--More--

         sp = 0xfb1e9a18  fp = 0xfb1e9a30

--More--

         r4 = 0xfb1e9ae0  r5 = 0x00000017

--More--

         r6 = 0x600001d3  r7 = 0x00000000

--More--

         r6 = 0xc23d51ac  r7 = 0xfb1e9e10

--More--

         r8 = 0x00000013  r9 = 0xfb1e9ae0

--More--

        r10 = 0x00000000

--More--

dab_fatal() at dab_fatal+0x174

--More--

         pc = 0xc23d4fd8  lr = 0xc23d4d7c (data_abort_handler+0x414)

--More--

digits() at 0xc242138d

--More--

         pc = 0xc242138d  lr = 0xc21b1248 (userret+0x8c)

--More--

         sp = 0xfb1e9e18  fp = 0xfb1e9e30

--More--

         r4 = 0xfb1e9e60  r5 = 0x00010004

--More--

         sp = 0xfb1e9a38  fp = 0xfb1e9ad8

--More--

         r4 = 0xfb1e9eb0  r5 = 0xc78cf000

--More--

         r6 = 0xfb1e9eb0  r7 = 0x00000017

--More--

data_abort_handler() at data_abort_handler+0x414

--More--

         pc = 0xc23d4d7c  lr = 0xc23c0878 (exception_exit)

--More--

         r6 = 0xbfffe028

--More--

userret() at userret+0x8c

--More--

         pc = 0xc21b1248  lr = 0xc21b1720 (ast+0x3ac)

--More--

         sp = 0xfb1e9ae0  fp = 0xfb1e9b40

--More--

         sp = 0xfb1e9e38  fp = 0xfb1e9e58

--More--

         r4 = 0xffffffff  r5 = 0xc7384c20

--More--

                 r  4 r6==    00xxbfcf2f42d613505 9    r  5   =  0  xc
7  8c  f0  0 0 

 r--7 Mo=r  e-0x-
c2407b04

--More--

                 rr8  =60  x0=0 0  000x06c758 9 b c  80  

r--9 Mo= re0x-c-
2504460

--More--

        r10 = 0xfb1eas9td6(0)
 a
t--More--
ast+0x3ac

--More--

         pc = 0xecx21cbe1p7t2io0 n _e x  i t( )   a  t   lr =
0xc23c08e7x8c e  pt(ion_exit

--Moree-x-c
eption_exit)

--More--

                 s p   =    0xpfcb 1  e9= e600x  cfp2 3 c0  87 8      l
r   =   0 x c 2 3c 1  e c 0  (   = 0x01615788

--Morarem-_-i
rq_handler+0x34)

--More--

                  rsp4  =    0 x2 2 0  2 1 32  4    r 5    =   0 x 0 0
00  0 00  0 

 =- - M o r e - - 
 0xfb1e9b30  fp = 0xfb1e9b40

--More--

                  r0r 6  =    0 xb f  ff  d6  3 0     r 7   =   0 x 0 0
9 4 f 4 b8  

 -= -0Mxorbfef-f-
da70  r1 = 0x00000000

--More--

                                    rr82=   0 x 2 2 0  26=0  c00 x 0 0
0 0 0 00  0     r3    =  0 x 6 0 0 0 0 1 1 3 
r-9-M  or  e-  -
 = 0xbfffe028

--More--
...

I have uploaded the scriptfile.
You can download it here:

http://www.ulrich-grey.de/dl/quad3.txt