segmentation fault core dumped


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Operating Systems Solaris segmentation fault core dumped
# 1  
i am getting segmentation fault (core dumped)
i tried following things but couldn't understand what is wrong with my prog and where the problem is....

i have only adb debugger available on solaris....
so plz help

bash-3.00$ pstack core
core 'core' of 765: ./mod_generalised_tapinread CDPERTMGTMSC01304 3.6_selectedfields gener
ff2d682c t_splay (400, 0, 0, 0, ff36e2ec, ff36e2ec) + f4
ff2d59fc _smalloc (8, 0, 98930, ff2d5bd8, fffffffe, ff3771a8) + 4c
ff2d5ab4 malloc (2, 1, 9887c, ff31b7e0, ff36e2ec, ff3784b0) + 4c
ff2c2080 calloc (1, 1, 2, 3, 126178, 1) + 58
00015aa8 getHEXString (ff37334c, 2, d134b, 80808080, ff00, 2) + 100
00012c0c parseBinaryFile (0, ff37335c, 0, 27194, ff36e2ec, 274fc) + 7ac
0001225c main (4, ffbffc3c, ffbffc50, 27b2c, ff3900c0, 0) + aa8
0001128c _start (0, 0, 0, 0, 0, 0) + 5c

7:15:29 PM
?
bash-3.00$ pflags core
core 'core' of 765: ./mod_generalised_tapinread CDPERTMGTMSC01304 3.6_selectedfields gener
data model = _ILP32 flags = MSACCT|MSFORK
/1: flags = 0
sigmask = 0xffffbefc,0x0000ffff cursig = SIGSEGV

7:19:38 PM
?
bash-3.00$ pldd core
core 'core' of 765: ./mod_generalised_tapinread CDPERTMGTMSC01304 3.6_selectedfields gener
/lib/libc.so.1
/platform/sun4u-opl/lib/libc_psr.so.1

i am getting segmentation fault (core dumped)
i tried following things but couldn't understand what is wrong with my prog and where the problem is....

i have only adb and mdb debugger available on solaris....
so plz help

bash-3.00$ pstack core
core 'core' of 765: ./mod_generalised_tapinread CDPERTMGTMSC01304 3.6_selectedfields gener
ff2d682c t_splay (400, 0, 0, 0, ff36e2ec, ff36e2ec) + f4
ff2d59fc _smalloc (8, 0, 98930, ff2d5bd8, fffffffe, ff3771a8) + 4c
ff2d5ab4 malloc (2, 1, 9887c, ff31b7e0, ff36e2ec, ff3784b0) + 4c
ff2c2080 calloc (1, 1, 2, 3, 126178, 1) + 58
00015aa8 getHEXString (ff37334c, 2, d134b, 80808080, ff00, 2) + 100
00012c0c parseBinaryFile (0, ff37335c, 0, 27194, ff36e2ec, 274fc) + 7ac
0001225c main (4, ffbffc3c, ffbffc50, 27b2c, ff3900c0, 0) + aa8
0001128c _start (0, 0, 0, 0, 0, 0) + 5c

7:15:29 PM
?
bash-3.00$ pflags core
core 'core' of 765: ./mod_generalised_tapinread CDPERTMGTMSC01304 3.6_selectedfields gener
data model = _ILP32 flags = MSACCT|MSFORK
/1: flags = 0
sigmask = 0xffffbefc,0x0000ffff cursig = SIGSEGV

7:19:38 PM
?
bash-3.00$ pldd core
core 'core' of 765: ./mod_generalised_tapinread CDPERTMGTMSC01304 3.6_selectedfields gener
/lib/libc.so.1
/platform/sun4u-opl/lib/libc_psr.so.1
# 2  
escalate this to SUN with your contract id. Only they can advise you on this
# 3  
Hi,

I'm also hitting similar crash, which i'm not able to explain why.

Were you able to fix this issue - was it a bug in your code, or in SunOS.

Any comments would be of great help.

Thanks,
Krishna
# 4  
Hi,

I'm also hitting similar crash, which i'm not able to explain why.

Were you able to fix this issue - was it a bug in your code, or in SunOS.

Any comments would be of great help.

******************************************************
hi krishna,
there was a bug in my code relating to arrays.
actually i was trying to fill the array beyond its size limit......

if u have gdb debugger it will be very useful to u.
else u try pstack core.
and look for the function where it is giving problem, in my case it was in "getHEXString" function .
most probably its due to arrays getting overloaded, so look for the arrays in that function, see what values are getting in to the function....

Rest if u have gdb debbuger it will tel u the exact line where this segmentation fault is occuring.

hope this works for u..
thanks
# 5  
Thanks for the info.

I will check with GDB.
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