Hi all, I want to ask if you know anything about this backtrace message I have when I try to restore from a checkpoint with DerivO3CPU using LTAGE. gem5.opt: build/X86/cpu/pred/ltage.cc:101: virtual void LTAGE::update(ThreadID, Addr, bool, void*, bool, const StaticInstPtr&, Addr): Assertion `corrTarget != MaxAddr' failed. Program aborted at tick 30396466306134 --- BEGIN LIBC BACKTRACE --- /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(_Z15print_backtracev+0x15)[0xd87f45] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(_Z12abortHandleri+0x39)[0xd925e9] /lib64/libpthread.so.0(+0xf7e0)[0x2add9f7cc7e0] /lib64/libc.so.6(gsignal+0x35)[0x2adda1099495] /lib64/libc.so.6(abort+0x175)[0x2adda109ac75] /lib64/libc.so.6(+0x2b60e)[0x2adda109260e] /lib64/libc.so.6(__assert_perror_fail+0x0)[0x2adda10926d0] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(_ZN5LTAGE6updateEsmbPvbRK14RefCountingPtrI10StaticInstEm+0x347)[0xea5c17] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(_ZN9BPredUnit6squashERKmRKN6X86ISA7PCStateEbs+0x21d)[0xe96a5d] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(_ZN12DefaultFetchI9O3CPUImplE21checkSignalsAndUpdateEs+0x30e)[0xefd3de] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(_ZN12DefaultFetchI9O3CPUImplE4tickEv+0x73)[0xf03583] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(_ZN9FullO3CPUI9O3CPUImplE4tickEv+0x5f)[0xee565f] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(_ZN10EventQueue10serviceOneEv+0xc5)[0xd8dd05] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(_Z9doSimLoopP10EventQueue+0x38)[0xd9ba68] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(_Z8simulatem+0xd3a)[0xd9cb3a] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt[0x152b70c] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt[0x998de1] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalFrameEx+0x5266)[0x15f0506] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalCodeEx+0x877)[0x15f2477] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalFrameEx+0x56f3)[0x15f0993] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalCodeEx+0x877)[0x15f2477] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalFrameEx+0x56f3)[0x15f0993] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalCodeEx+0x877)[0x15f2477] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalFrameEx+0x56f3)[0x15f0993] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalCodeEx+0x877)[0x15f2477] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalCode+0x32)[0x15f2582] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalFrameEx+0x5f69)[0x15f1209] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalCodeEx+0x877)[0x15f2477] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalFrameEx+0x56f3)[0x15f0993] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalCodeEx+0x877)[0x15f2477] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyEval_EvalCode+0x32)[0x15f2582] /home/students/cs/2017/iconst01/EXTRASPACE/Gem5_Giannis/gem5/build/X86/gem5.opt(PyRun_StringFlags+0x11b)[0x161368b] --- END LIBC BACKTRACE --- This is the command I run : build/X86/gem5.opt -d sim_gcc configs/example/fs.py --bench-image=gcc.img --script=gcc.rcS --cpu-type=DerivO3CPU --rel-max-tick=0 -r 22492288158 --at-instruction --checkpoint-dir=gcccpts/ --restore-with-cpu=DerivO3CPU --mem-size=8GB --caches --l2cache --num-l2caches=1 -I 100000000 Thanks in advance, Giannis
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