Dbx SEGV signal encountered while memory leak checking

Question

Good morning,
Last week, I have encountered the following problem while debugging a UNIX Solaris on a SUN server:
Running the program without memory leak checking goes fine.
Running the program while memory leak checking gives following error message:
RTC: Enabling Error Checking...
t@1 (l@1) signal SEGV (no mapping at the fault address) in __rtc_memcpy at 0xffffffff7312dc98
I have already mentioned the problem on the SUN forum (as it is dbx related), but as the problem is not solved by installing patches, using more recent dbx versions and, most important, as a "where -l" dbx command reveals that the problem is located within an Oracle file, I start to believe that the problem is not caused by dbx, but by Oracle.
The SUN forum post can be found back using following URL:http://forum.java.sun.com/thread.jspa?messageID=9575156
The result of the "where -l" command is the following:
(dbx) where -l
current thread: t@1
[1] libwtc8.so:_init(0x0, 0xffdfffff, 0xffffffff7f72a3f8, 0xffffffff7f72a9e8, 0x200000, 0x400000), at 0xfffffffd22501180
[2] ld.so.1[L]:setup(0xffffffff7f72a9e8, 0xffffffff7f72a158, 0xffffffff7f72d838, 0xffffffff7f72a140, 0x3, 0x1001403c8), at 0xffffffff7f60f8fc
[3] ld.so.1[L]:_setup(0x2710, 0x2710, 0xb00, 0xffffffffffffffff, 0x0, 0xffffffffffffffff), at 0xffffffff7f61d8c0
[4] ld.so.1[L]:_rt_boot(0x0, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xffffffff7f604ce0
<UNIX prompt>find / -name libwtc8.so 2>/dev/null
<internal directory>/oracle/lib/libwtc8.so
<internal directory>/oracle/lib64/libwtc8.so
As the "nm" command only reveals a "_init" function for the latter libwtc8.so file, I believe strongly that this is the one referred by by dbx.
In case you need more information (e.g. as far as Oracle versions are concerned), could you also include the UNIX commands, needed for retrieving this information?
Kind regards
Dominique

Answer 1

The statement 'while memory leak checking' is not clear. Are u compiling with -g flag or profile flags ? OR using the 'collect' of SUN STUDIO ??
Can u place the complete trace of CORE using the command 'dbx - core' for further analysis.
Are U using any STL 3rd party libraries for Linking ?? .
Place the sample code if possible.
After going through SUN forum , I realize that there can be an imcompatibility with SOLARIS LIBS and Oracle of 64Bit layer. Are compiling in 64bit or 32 bit ?
Try 64Bit compilation.