Hi,
What to do when I get an ERROR Undef Instr and a register dump?
My application is running all fine for a while, can be for days but sometimes I just unexpectedly get this?
The dump appears on my COM port that I use for logging and live debugging…
This is way down below my code, what can I do to prevent/fix/debug this?
Luck is it that the unit boots and my code starts again so the system recovers but this is a bit disturbing
Almost forgot, running EMX board MF4.2 VS2012
Regards
Thomas
Here is the dump:
ERROR: Undef Instr
cpsr=0x00000010
pc =0x185a215f
lr =0xa0ea7e87
r0=0x000000b0
r1=0x00000000
r2=0xa0121c74
r3=0x00000005
r4=0x4000f648
r5=0xa00017dc
r6=0xa0021398
r7=0xa0020e70
r8=0x0c131146
r9=0x80d81136
r10=0x4000a545
r11=0x60e80769
r12=0xa0000fcd
sp =0x4000f284
ERROR: Undef Instr
cpsr=0x00000010
pc =0x185a215f
lr =0xa0ea7e87
r0=0x000000b0
r1=0x00000000
r2=0xa0121c74
r3=0x00000005
r4=0x4000f648
r5=0xa00017dc
r6=0xa0021398
r7=0xa0020e70
r8=0x0c131146
r9=0x80d81136
r10=0x4000a545
r11=0x60e80769
r12=0xa0000fcd
sp =0x4000f284
[0x4000f284] : 04 3a 9f a0 48 f6 00 40 08 ee 26 a0 00 00 00 00 .: Hö.@ .î& …
[0x4000f294] : a1 d2 e5 a0 00 00 00 00 08 ee 26 a0 00 00 00 00 ¡Òå …î& …
[0x4000f2a4] : a1 d2 e5 a0 34 10 00 a0 00 00 00 00 d8 10 00 a0 ¡Òå 4… …Ø…
[0x4000f2b4] : bf 59 01 00 00 00 00 00 57 e6 00 00 00 00 00 00 ¿Y…Wæ…
[0x4000f2c4] : 6f f9 e5 a0 34 00 00 00 1e f3 00 40 2b ba 05 00 oùå 4…ó.@ +º…
[0x4000f2d4] : 18 f3 00 40 2b ba 05 00 c1 55 00 00 18 f3 00 40 .ó.@ +º…ÁU…ó.@
[0x4000f2e4] : 73 00 00 00 9c f3 00 40 17 6e 00 00 18 f3 00 40 s…ó.@ .n…ó.@
[0x4000f2f4] : 79 5a 00 00 cf 74 17 80 40 f3 00 40 cf 74 17 80 yZ…Ït.@ ó.@ Ït.
[0x4000f304] : c1 55 00 00 40 f3 00 40 73 00 00 00 c4 f3 00 40 ÁU…@ ó.@ s…Äó.@
[0x4000f314] : 17 6e 00 00 40 f3 00 40 79 5a 00 00 cf 74 17 80 .n…@ ó.@ yZ…Ït.
[0x4000f324] : 40 f3 00 40 c8 f3 00 40 ee 01 00 00 cc 36 02 00 @ ó.@ Èó.@ î…Ì6…
[0x4000f334] : 01 00 00 00 ff ff 00 00 97 56 00 00 00 00 00 00 …ÿÿ…V…
[0x4000f344] : ab 56 00 00 80 f3 00 40 71 56 00 00 d0 f3 00 40 «V…ó.@ qV…Ðó.@
[0x4000f354] : ff ff ff ff 00 00 00 00 fb 66 00 00 f4 f3 00 40 ÿÿÿÿ…ûf…ôó.@
[0x4000f364] : d0 f3 00 40 01 00 00 00 a4 27 9f a0 a4 27 9f a0 Ðó.@ …¤’ ¤’
[0x4000f374] : 1b 72 02 00 38 33 9f a0 00 00 00 00 00 00 00 00 .r…83 …