The process died inside a ParScan.

$ java -version
java version "1.6.0_04"
Java(TM) SE Runtime Environment (build 1.6.0_04-b12)
Java HotSpot(TM) Server VM (build 10.0-b19, mixed mode)

--- here is the stack trace:

----------------- lwp# 7 / thread# 7 --------------------
 fef254d7 _lwp_kill (7, 6) + 7
 feed13f3 raise (6) + 1f
 feeb1709 abort (fecb8000, fb1fe818, fb1fe818, feb7d838, 1, 8080498) + cd
 fead7440 __1cCosFabort6Fb_v_ (1) + 30
 feb7d838 __1cHVMErrorOreport_and_die6M_v_ (fb1fe9b0) + 5c8
 fe71bf0b JVM_handle_solaris_signal (b, fb1fecd4, fb1fead4, 1) + 743
 fe71b7c2 signalHandler (b, fb1fecd4, fb1fead4) + 26
 fef2489f __sighndlr (b, fb1fecd4, fb1fead4, fe71b79c) + f
 fef1a75e call_user_handler (b, fb1fecd4, fb1fead4) + 22b
 fef1a8de sigacthandler (b, fb1fecd4, fb1fead4) + bb

 --- called from signal handler with signal 11 (SIGSEGV) ---

 feae1472 __1cSParScanThreadStateLtrim_queues6Mi_v_ (d099a20, 0) + 146
 feae1844 __1cbBParEvacuateFollowersClosureHdo_void6M_v_ (d099b40) + 1c
 feae1a93 __1cNParNewGenTaskEwork6Mi_v_ (759fe798, 0) + 127
 feb82272 __1cKGangWorkerEloop6M_v_ (8080498) + de
 feb8215b __1cKGangWorkerDrun6M_v_ (8080498) + 27
 fead6d62 java_start (8080498) + ee
 fef244b7 _thr_setup (fe4b2a00) + 4e
 fef247a0 _lwp_start (fe4b2a00, 0, 0, fb1feff8, fef247a0, fe4b2a00)