James, The problem was already fixed ,the global variable had NULL value, I was just looking for another way to catch this problem.
It was a very rare condition. Thanks! Valdemar -----Original Message----- From: ext James Carlson [mailto:james.d.carl...@sun.com] Sent: Tuesday, March 17, 2009 1:39 PM To: Pavesi, Valdemar (NSN - US/Boca Raton) Cc: mdb-discuss at opensolaris.org Subject: RE: [mdb-discuss] How can libumem detect that a global variable wasdeleted? Pavesi, Valdemar (NSN - US/Boca Raton) writes: > threading model: multi-threaded > status: process terminated by SIGSEGV (Segmentation Fault) > > That doesn't look like corruption to me. That looks like a NULL pointer passed as a sprintf %s argument. That causes a core dump on Solaris, because you can't dereference NULL. -- James Carlson, Solaris Networking <james.d.carlson at sun.com> Sun Microsystems / 35 Network Drive 71.232W Vox +1 781 442 2084 MS UBUR02-212 / Burlington MA 01803-2757 42.496N Fax +1 781 442 1677
