Hi, I get segmentation fault in atomic simplpe cpu (before switching to O3). The backtrace shows:
Program received signal SIGSEGV, Segmentation fault. Bus::recvAtomic (this=<optimized out>, pkt=0x252e5a8) at build/X86_SE/mem/bus.cc:673 673 } (gdb) bt #0 Bus::recvAtomic (this=<optimized out>, pkt=0x252e5a8) at build/X86_SE/mem/bus.cc:673 #1 0x00000000005e5bd5 in sendAtomic (pkt=0x252e5a8, this=<optimized out>) at build/X86_SE/mem/port.hh:194 #2 Cache<LRU>::atomicAccess (this=0x21f5b20, pkt=0x252ecf8) at build/X86_SE/mem/cache/cache_impl.hh:746 #3 0x000000000049bc25 in sendAtomic (pkt=0x252ecf8, this=<optimized out>) at build/X86_SE/mem/port.hh:194 #4 Bus::recvAtomic (this=<optimized out>, pkt=0x252ecf8) at build/X86_SE/mem/bus.cc:428 #5 0x00000000005e5bd5 in sendAtomic (pkt=0x252ecf8, this=<optimized out>) at build/X86_SE/mem/port.hh:194 #6 Cache<LRU>::atomicAccess (this=0x2322330, pkt=0x7fffffffc8c0) at build/X86_SE/mem/cache/cache_impl.hh:746 #7 0x000000000086421e in sendAtomic (pkt=0x7fffffffc8c0, this=<optimized out>) at build/X86_SE/mem/port.hh:194 #8 AtomicSimpleCPU::writeMem (this=0x2251f30, data=0x7fffffffcb90 "\034\307q\034\307q\234?\020\320\377\377\377\177", size=8, addr=46912763695104, flags=3, res=0x0) at build/X86_SE/cpu/simple/atomic.cc:457 #9 0x0000000000c59f74 in writeMemTiming<AtomicSimpleCPU> (flags=<optimized out>, addr=<optimized out>, dataSize=<optimized out>, mem=4583663620745971484, traceData=0x0, xc=0x2251f30, res=<optimized out>) at build/X86_SE/arch/x86/memhelpers.hh:113 #10 writeMemAtomic<AtomicSimpleCPU> (flags=<optimized out>, addr=<optimized out>, dataSize=<optimized out>, mem=<optimized out>, traceData=0x0, xc=0x2251f30, res=<optimized out>) at build/X86_SE/arch/x86/memhelpers.hh:122 #11 X86ISAInst::St::execute (this=0x2e460b0, xc=0x2251f30, traceData=0x0) at build/X86_SE/arch/x86/atomic_simple_cpu_exec.cc:13756 #12 0x00000000008649df in AtomicSimpleCPU::tick (this=0x2251f30) at build/X86_SE/cpu/simple/atomic.cc:567 #13 0x000000000067e04e in EventQueue::serviceOne (this=<optimized out>) at build/X86_SE/sim/eventq.cc:204 #14 0x00000000006bd47a in simulate (num_cycles=9223372036854775807) at build/X86_SE/sim/simulate.cc:74 I have not changed atomic cpu model so please share any suggestion. What is the description of this fault? -- // Naderan *Mahmood; _______________________________________________ gem5-users mailing list gem5-users@gem5.org http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users