Conference clt::cma

1511.0. "please help on a core file" by EDSCLU::WANG () Tue Mar 25 1997 15:04

We received a big core file from a customer and we are not able to determine
what the problem is. I hope someone here can help me out from the following
output information from LADEBUG and DBX. 
 
Any input or suggestions would be greatly appreciated.

Thanks,

Danqing 

******************** 
Output from ladebug
********************

# ladebug /usr/sbin/lu62_server core_citicorp.c970303-4407
Welcome to the Ladebug Debugger Version 4.0-14A
------------------
object file name: /usr/sbin/lu62_server
core file name: core_citicorp.c970303-4407
Reading symbolic information ...done
Core file produced from executable lu62_server
Thread 0xfffffc000403bd60 terminated at PC 0x3ff8051b678 by signal IOT

(ladebug) where
>0  0x3ff8051b678 in /usr/shlib/libc_r.so
#1  0x3ff8056fdf4 in cma__bugcheck(0x3ffc01da168, 0xc, 0x8a30000, 0x8a31fff,
0x0
, 0x0) DebugInformationStrippedFromFile86:???
#2  0x3ff805897b8 in cma__set_noaccess(0x8a30000, 0x8a31fff, 0x1, 0x4a318, 0x1,
0x90) DebugInformationStrippedFromFile109:???
#3  0x3ff8057cb50 in cma__get_stack(0x3ffc01de600, 0x90, 0x1, 0x2000, 0x16000,
0
x21e18) DebugInformationStrippedFromFile99:???
#4  0x3ff80580800 in /usr/shlib/libpthreads.so

(ladebug) show thread
  Thread #  Id                  State
> 1         0xfffffc000403bd60  dead
  2         0xfffffc000403b040  dead
  3         0xfffffc000403a5a0  dead
  4         0xfffffc000403afa0  dead
  5         0xfffffc0007c6aaa0  dead
  6         0xfffffc000403ab40  dead
  7         0xfffffc000403ba40  dead
  8         0xfffffc000403bea0  dead
  9         0xfffffc000403b720  dead
  10        0xfffffc0007c6b040  dead
  :
  :
	
******************** 
Output from dbx
********************

# dbx /usr/sbin/lu62_server core_citicorp.c970303-4407
dbx version 3.11.8
Type 'help' for help.
Core file created by program "lu62_server"

thread 0xfffffc000403bd60 signal IOT/Abort trap at >*[memcpy, 0x3ff8051b678]  
bne      r1, 0x3ff8051b6e8
(dbx) where
>  0 memcpy(0x6, 0x10d855, 0x30, 0x1, 0x0) [0x3ff8051b678]
   1 cma__bugcheck(0x3ffc01da168, 0xc, 0x8a30000, 0x8a31fff, 0x0)
[0x3ff8056fdf4]
   2 cma__set_noaccess(0x8a30000, 0x8a31fff, 0x1, 0x4a318, 0x1) [0x3ff805897b8]
   3 cma__get_stack(0x3ffc01de600, 0x90, 0x1, 0x2000, 0x16000) [0x3ff8057cb50]
   4 (unknown)(0x2038009, 0x1, 0x4a318, 0x0, 0x3) [0x3ff80580800]
   5 cma__get_tcb(0x4a318, 0x2800, 0x0, 0x11ffff9f8, 0x11ffff9f8)
[0x3ff8057ff38]
   6 pthread_create(0x8995420, 0x4a318, 0x100000000000002, 0x2038009,
0x8995408) [0x3ff80576ba4]
   7 srv_rcv_conn_thread(0x39f88, 0x11ffffd98, 0x3ff80578a8c, 0x2038182,
0x12007c754) ["/usr/users/snagwy/sna5/snalu62v3_eco04/aosf/lu62/src/srv_main.c"
:610,0x120079d58]
   8 main(0x3, 0x11ffffde8, 0x12001d2d8, 0x29e7, 0x100000000)
["/usr/users/snagwy/sna5/snalu62v3_eco04/aosf/lu62/src/srv_main.c":485, 
0x12007c80c]

(dbx) tstack

Thread 0xfffffc000403bd60:
>  0 memcpy(0x6, 0x10d855, 0x30, 0x1, 0x0) [0x3ff8051b678]
   1 cma__bugcheck(0x3ffc01da168, 0xc, 0x8a30000, 0x8a31fff, 0x0)
[0x3ff8056fdf4]
   2 cma__set_noaccess(0x8a30000, 0x8a31fff, 0x1, 0x4a318, 0x1) [0x3ff805897b8]
   3 cma__get_stack(0x3ffc01de600, 0x90, 0x1, 0x2000, 0x16000) [0x3ff8057cb50]
   4 (unknown)(0x2038009, 0x1, 0x4a318, 0x0, 0x3) [0x3ff80580800]
   5 cma__get_tcb(0x4a318, 0x2800, 0x0, 0x11ffff9f8, 0x11ffff9f8)
[0x3ff8057ff38]
   6 pthread_create(0x8995420, 0x4a318, 0x100000000000002, 0x2038009,
0x8995408) [0x3ff80576ba4]
   7 srv_rcv_conn_thread(0x39f88, 0x11ffffd98, 0x3ff80578a8c, 0x2038182,
0x12007c754) ["/usr/users/snagwy/sna5/snalu62v3_eco04/aosf/lu62/src/srv_main.c":610,
0x120079d58]
   8 main(0x3, 0x11ffffde8, 0x12001d2d8, 0x29e7, 0x100000000)
["/usr/users/snagwy/sna5/snalu62v3_eco04/aosf/lu62/src/srv_main.c":485, 0x12007c80c]

Thread 0xfffffc000403b040:
>  0 msg_receive_trap(0x12001e5ec, 0x17b18, 0x12001e168, 0x248218, 0x120065030)
[0x3ff8052e570]
   1 msg_receive(0x8a23e88, 0x68, 0x8a23e88, 0x4ad18, 0x3ff804bb0bc)
[0x3ff80524dd0]
   2 cma__vp_sleep(0x2801000000, 0x1, 0x9, 0x4ad18, 0x0) [0x3ff805885ec]
More (n if no)?
   3 cma__dispatch(0x9, 0x4ad18, 0x0, 0xd, 0x3ff80567e34) [0x3ff8056e958]
   4 cma__int_wait(0x0, 0x3f618, 0x3dc18, 0x1a008, 0x12006cf90) [0x3ff80567e30]
   5 pthread_cond_wait(0x12006ce94, 0x14001b030, 0x12006ce4c, 0x0, 0x3f718)
[0x3ff80576a30]
   6 srv_sm(0x67bd0, 0x0, 0x0, 0x3ff00000000, 0x0)
["/usr/users/snagwy/sna5/snalu62v3_eco04/aosf/lu62/src/srv_sm.c":250, 0x12006ce90]
   7 cma__thread_base(0x0, 0x0, 0x0, 0x0, 0x14001b030) [0x3ff80581ccc]

Thread 0xfffffc000403a5a0:
>  0 msg_receive_trap(0x8a13018, 0x0, 0x30010000c8, 0x100, 0x4) [0x3ff8052e570]
   1 msg_receive(0x8a23888, 0x3ffc01de808, 0x12001d99c, 0x12005c650,
0x120020ca8) [0x3ff80524dd0]
   2 cma__vp_sleep(0x2801000000, 0x1, 0xc, 0x227818, 0x0) [0x3ff805885ec]
   3 cma__dispatch(0xc, 0x227818, 0x0, 0x8a23888, 0x3ff80567e34)
[0x3ff8056e958]
   4 cma__int_wait(0x0, 0x3f818, 0x3d818, 0x0, 0x8a23888) [0x3ff80567e30]
   5 pthread_cond_wait(0x1200398e0, 0x0, 0x120039890, 0x0, 0x3f918)
[0x3ff80576a30]
   6 srv_rm(0x7fbd0, 0x0, 0x0, 0x3ff8057b620, 0x0)
["/usr/users/snagwy/sna5/snalu62v3_eco04/aosf/lu62/src/srv_rm_hl.c":178, 0x1200398dc]
   7 cma__thread_base(0x0, 0x0, 0x0, 0x0, 0x14001b008) [0x3ff80581ccc]

(dbx) tlist
thread 0xfffffc000403bd60 signal IOT/Abort trap at >*[memcpy, 0x3ff8051b678]  
bne      r1, 0x3ff8051b6e8
thread 0xfffffc000403b040 stopped at >*[msg_receive_trap, 0x3ff8052e574]      
ret      r31, (r26), 1
thread 0xfffffc000403a5a0 stopped at >*[msg_receive_trap, 0x3ff8052e574]      
ret      r31, (r26), 1
thread 0xfffffc000403afa0 stopped at >*[msg_receive_trap, 0x3ff8052e574]      
ret      r31, (r26), 1
thread 0xfffffc0007c6aaa0 stopped at >*[__sigwaitprim, 0x3ff8051c758]   beq   
r19, 0x3ff8051c770
thread 0xfffffc000403ab40 stopped at >*[msg_rpc_trap, 0x3ff8052e580]    ret   
r31, (r26), 1
thread 0xfffffc000403ba40 stopped at >*[msg_receive_trap, 0x3ff8052e574]      
ret      r31, (r26), 1
thread 0xfffffc000403bea0 stopped at >*[msg_receive_trap, 0x3ff8052e574]      
ret      r31, (r26), 1
thread 0xfffffc000403b720 stopped at >*[msg_receive_trap, 0x3ff8052e574]      
ret      r31, (r26), 1
thread 0xfffffc0007c6b040 stopped at >*[__sigwaitprim, 0x3ff8051c758]   beq   
r19, 0x3ff8051c770
thread 0xfffffc00015ceb40 stopped at >*[__sigwaitprim, 0x3ff8051c758]   beq   
r19, 0x3ff8051c770
thread 0xfffffc0002fcbae0 stopped at >*[msg_receive_trap, 0x3ff8052e574]      
ret      r31, (r26), 1


    

    See not 1509. Just had a discussion on this no_access issue.

    Make that *note* 1509. See not my typo on .1....