SIBGUS on Sparc: Cannot access memory at address

Thread 1 (process 3613896 ):
#0 0x0000000000000000 in ?? ()
#1 0xffffffd16d4ab9f0 in __1cMoutputStreamFprint6MpkcE_v_ ()
    at src/share/vm/oops/oop.inline.hpp:527
#2 0xffffffd16d7df304 in __1cHVMErrorGreport6MpnMoutputStream__v_ ()
    at src/share/vm/utilities/vmError.cpp:479
#3 0xffffffd16d7e0854 in __1cHVMErrorOreport_and_die6M_v_ (this=Cannot access memory at address 0x379fe270
)
    at src/share/vm/utilities/vmError.cpp:940
#4 0xffffffd16d4aa0d4 in JVM_handle_solaris_signal ()
    at src/share/vm/oops/oop.inline.hpp:527
#5 0xffffffd16d4a1944 in signalHandler ()
    at src/share/vm/oops/oop.inline.hpp:527
#6 <signal handler called>
#7 0xffffffd16d46d0f8 in __1cNObjectMonitorGEnterI6MpnGThread__v_ ()
    at src/share/vm/oops/oop.inline.hpp:527
#8 0xffffffd16d46c5c0 in __1cNObjectMonitorFenter6MpnGThread__v_ ()
    at src/share/vm/oops/oop.inline.hpp:527
#9 0xffffffd16d6bfb08 in __1cSObjectSynchronizerKslow_enter6FnGHandle_pnJBasicLock_pnGThread__v_ ()
    at src/share/vm/gc_implementation/g1/ptrQueue.hpp:125
#10 0xffffffd16d5f77f8 in __1cNSharedRuntimebAcomplete_monitor_locking_C6FpnHoopDesc_pnJBasicLock_pnKJavaThread__v_ ()
    at src/share/vm/gc_implementation/g1/ptrQueue.hpp:125
#11 0xffffffff735334c4 in ?? ()
#12 0xffffffff735334c4 in ?? ()