An exe of Pure C Code with Embedded SQLs resulting in core dump.on AIX 5.3L Created a DEBUG Exe for the same which gave the Error(details below) "Segmentation fault in malloc_common.extend_brk [/usr/lib/libc_r.a]" Any pointers will help. Thanks in advance folks ERROR DETAILS ============= $ dbx <exename> core warning: Unable to access address 0xf0a1fc4c from core warning: Unable to access address 0xf0a1fc50 from core warning: Unable to access address 0xf0a1fc50 from core warning: Unable to access address 0xf0a1fc54 from core warning: Unable to access address 0xf03878a8 from core pthdb_session.c, 540: 1 PTHDB_CALLBACK (callback failed) pthreaded.c, 1941: PTHDB_CALLBACK (callback failed) Segmentation fault in malloc_common.extend_brk [/usr/lib/libc_r.a] at 0xd025c774 0xd025c774 (extend_brk+0xc8) 90040004 stw r0,0x4(r4) (dbx) where warning: Unable to access address 0xf03878a8 from core pthdb_session.c, 540: 1 PTHDB_CALLBACK (callback failed) pthreaded.c, 1941: PTHDB_CALLBACK (callback failed) malloc_common.extend_brk(internal error: assertion failed at line 3595 in file frame.c ??, internal error: assertion failed at line 3595 in file frame.c ??, internal error: assertion failed at line 3595 in file frame.c ??) at 0xd025c77 **************** CAUTION - Disclaimer ***************** This e-mail contains PRIVILEGED AND CONFIDENTIAL INFORMATION intended solely for the use of the addressee(s). If you are not the intended recipient, please notify the sender by e-mail and delete the original message. Further, you are not to copy, disclose, or distribute this e-mail or its contents to any other person and any such actions are unlawful. This e-mail may contain viruses. Infosys has taken every reasonable precaution to minimize this risk, but is not liable for any damage you may sustain as a result of any virus in this e-mail. You should carry out your own virus checks before opening the e-mail or attachment. Infosys reserves the right to monitor and review the content of all messages sent to or from this e-mail address. Messages sent to or from this e-mail address may be stored on the Infosys e-mail system. ***INFOSYS******** End of Disclaimer ********INFOSYS***