2008-10-09 21:56:11     A crash issue

Document created by Aaronwu Employee on Aug 8, 2013
Version 1Show Document
  • View in full screen mode

2008-10-09 21:56:11     A crash issue

Bo Zhuang (CANADA)

Message: 63359   

 

Hi guys, I got a crash when trying to run a custom-made program. Here is the crash log:

 

NULL pointer access (probably)

Defered Exception context

CURRENT PROCESS:

COMM=bbapp PID=361

TEXT = 0x00e00040-0x00f42e20        DATA = 0x00f42e24-0x00f9fe04

BSS = 0x00f9fe04-0x00fa91f4  USER-STACK = 0x00fc8f7c

 

return address: [0x00e2f062]; contents of:

0x00e2f040:  05e3  3221  e800  0005  9163  e419  fffd  0c01

0x00e2f050:  1006  6000  e801  0000  05a3  0010  3200  3020

0x00e2f060:  6424 [a082] 0c02  1825  322a  302c  3031  2013

0x00e2f070:  3257  6fc2  9121  9108  9112  e307  f551  0c00

 

SEQUENCER STATUS:               Not tainted

SEQSTAT: 00060027  IPEND: 0030  SYSCFG: 0006

  HWERRCAUSE: 0x18

  EXCAUSE   : 0x27

RETE: <0x00000000> /* Maybe null pointer? */

RETN: <0x00c66000> [ bbapp + 0x0 ]

RETX: <0x00e2f062> [ bbapp + 0x2f022 ]

RETS: <0x00e2f20c> [ bbapp + 0x2f1cc ]

PC  : <0x00e2f062> [ bbapp + 0x2f022 ]

DCPLB_FAULT_ADDR: <0x00000008> /* Maybe null pointer? */

ICPLB_FAULT_ADDR: <0x00e2f062> [ bbapp + 0x2f022 ]

 

PROCESSOR STATE:

R0 : 00000000    R1 : 00000009    R2 : 00fc8780    R3 : 00000003

R4 : 00000004    R5 : 00000000    R6 : 00fc8780    R7 : 00000000

P0 : 00000000    P1 : 00000001    P2 : 00c709d1    P3 : 00c709c8

P4 : 00fc879c    P5 : 00fc8da8    FP : 00fc8720    SP : 00c65f24

LB0: 00f2dbbd    LT0: 00f2dbba    LC0: 00000000

LB1: 00e31081    LT1: 00e31072    LC1: 00000003

B0 : 00000000    L0 : 00000000    M0 : 00000000    I0 : 00f80ad8

B1 : 00000000    L1 : 00000000    M1 : 00000000    I1 : 00000000

B2 : 00000000    L2 : 00000000    M2 : 00000000    I2 : 00000000

B3 : 00000000    L3 : 00000000    M3 : 00000000    I3 : 00000000

A0.w: 00000008   A0.x: 00000000   A1.w: 00000008   A1.x: 00000000

USP : 00fc870c  ASTAT: 02002000

 

Hardware Trace:

   0 Target : <0x00004944> { _trap_c + 0x0 }

     Source : <0xffa006ec> { _exception_to_level5 + 0xb4 }

   1 Target : <0xffa00638> { _exception_to_level5 + 0x0 }

     Source : <0xffa00590> { _ex_trap_c + 0x5c }

   2 Target : <0xffa00534> { _ex_trap_c + 0x0 }

     Source : <0xffa0078c> { _trap + 0x28 }

   3 Target : <0xffa00764> { _trap + 0x0 }

     Source : <0x00e2f060> [ bbapp + 0x2f020 ]

   4 Target : <0x00e2f05c> [ bbapp + 0x2f01c ]

     Source : <0x00e2f050> [ bbapp + 0x2f010 ]

   5 Target : <0x00e2f040> [ bbapp + 0x2f000 ]

     Source : <0x00e2f208> [ bbapp + 0x2f1c8 ]

   6 Target : <0x00e2f200> [ bbapp + 0x2f1c0 ]

     Source : <0x00eeb4f8> [ bbapp + 0xeb4b8 ]

   7 Target : <0x00eeb4ec> [ bbapp + 0xeb4ac ]

     Source : <0x00f40128> [ bbapp + 0x1400e8 ]

   8 Target : <0x00f40120> [ bbapp + 0x1400e0 ]

     Source : <0x00f40042> [ bbapp + 0x140002 ]

   9 Target : <0x00f4002e> [ bbapp + 0x13ffee ]

     Source : <0x00f2dbc0> [ bbapp + 0x12db80 ]

  10 Target : <0x00f2dbb6> [ bbapp + 0x12db76 ]

     Source : <0x00f2dbac> [ bbapp + 0x12db6c ]

  11 Target : <0x00f2db78> [ bbapp + 0x12db38 ]

     Source : <0x00f4002a> [ bbapp + 0x13ffea ]

  12 Target : <0x00f4001a> [ bbapp + 0x13ffda ]

     Source : <0x00f3f64e> [ bbapp + 0x13f60e ]

  13 Target : <0x00f3f63e> [ bbapp + 0x13f5fe ]

     Source : <0x00f4222a> [ bbapp + 0x1421ea ]

  14 Target : <0x00f42224> [ bbapp + 0x1421e4 ]

     Source : <0x00f421da> [ bbapp + 0x14219a ]

  15 Target : <0x00f421d8> [ bbapp + 0x142198 ]

     Source : <0x00f30018> [ bbapp + 0x12ffd8 ]

Stack from 00c65f04:

        ffa008c4 ffa006f0 00126570 00126570 00126564 00f80d50 00fc89c4 00f2a30a

        00e2f062 00000030 00060027 00000000 00c66000 00e2f062 00e2f062 00e2f20c

        00000000 02002000 00e31081 00f2dbbd 00e31072 00f2dbba 00000003 00000000

        00000008 00000000 00000008 00000000 00000000 00000000 00000000 00000000

        00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

        00000000 00000000 00000000 00f80ad8 00fc870c 00fc8720 00fc8da8 00fc879c

 

Call Trace:

SIGSEGV

 

 

Thanks for info.

 

Bo

QuoteReplyEditDelete

 

 

2008-10-10 00:24:11     Re: A crash issue

Mike Frysinger (UNITED STATES)

Message: 63362   

 

the wiki shows you how to use the trace to find the bug in your app:

http://docs.blackfin.uclinux.org/doku.php?id=debuging_applications#analyzing_traces

Attachments

    Outcomes