Hi, I am running PARSEC benchmark on X86 system. It is running fine without checkpoints. But if I am using checkpoints, then after restoring checkpoint I am getting segmentation fault in PARSEC benchmark. I have used configs/boot/hack_back_ckpt.rcS to create checkpoint (cputype=timing). After I restored checkpoint (restore-cpu-type=O3), it ran PARSEC benchmark using the following script:
#!/bin/sh # File to run the blackscholes benchmark echo "Running blackscholes" cd /parsec/install/bin /sbin/m5 dumpstats /sbin/m5 resetstats ./blackscholes 64 /parsec/install/inputs/blackscholes/in_4K.txt /parsec/install/inputs/blackscholes/prices.txt echo "Done :D" /sbin/m5 exit /sbin/m5 exit This gives following output: ==== m5 slave terminal: Terminal 0 ==== Loading new script... usage: /sbin/m5 exit [delay] /sbin/m5 resetstats [delay [period]] /sbin/m5 dumpstats [delay [period]] /sbin/m5 dumpresetstats [delay [period]] /sbin/m5 readfile [filename] /sbin/m5 execfile <filename> /sbin/m5 checkpoint [delay [period]] /sbin/m5 loadsymbol <address> <symbol> /sbin/m5 initparam /sbin/m5 sw99param /sbin/m5 pin <cpu> <program> [args ...] All times in nanoseconds! PARSEC Benchmark Suite Version 2.1 [HOOKS] PARSEC Hooks Version 1.2 Num of Options: 4096 Num of Runs: 100 Size of data: 163840 [HOOKS] Entering ROI blackscholes[796]: segfault at fffffffffc973680 rip 00000000004048bc rsp 00002ae564f3bbf8 error 4 Segmentation fault Done :D Cmdline to restore: ./build/X86/gem5.opt configs/example/fs.py --mem-type=DDR4_2400_8x8 --kernel=./x86parsec/binaries/x86_64-vmlinux-2.6.22.9.smp --disk-image=../x86root-parsec.img --checkpoint-restore=1 --restore-with-cpu=DerivO3CPU --script=./scripts/blackscholes_64c_simsmall.rcS The disk image from http://www.cs.utexas.edu/~parsec_m5/x86root-parsec.img.bz2. I tried to search this error on the gem5 mail archive, but I couldn't find any solution from there. It would be great if anyone can help me sort out this problem. Thanks in advance. Regards, Riddhi
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