Thanks, I was using the wrong checkpoint file. On Oct 19, 2012, at 11:35 AM, Nilay Vaish wrote:
> David, are you sure that you are using the correct checkpoint? The checkpoint > '-r 1' may have been created using a different configuration. > > -- > Nilay > > On Fri, 19 Oct 2012, Andreas Hansson wrote: > >> Hi Dave, >> >> Is this using the latest trunk? >> >> Thanks, >> >> Andreas >> >> From: David Roberts >> <[email protected]<mailto:[email protected]>> >> Reply-To: gem5 users mailing list >> <[email protected]<mailto:[email protected]>> >> Date: Friday, 19 October 2012 15:18 >> To: "[email protected]<mailto:[email protected]>" >> <[email protected]<mailto:[email protected]>>, gem5 users mailing list >> <[email protected]<mailto:[email protected]>> >> Subject: Re: [gem5-users] ARM Checkpoint restore segfault >> >> Thanks Ali, >> >> On a related issue, I tried checkpointing and restoring with atomic CPU both >> times and get a memory range difference error on restore. Is this a >> checkpointing bug? Output below. Thanks >> >> Dave >> >> Create checkpoint: >> >> ./build/ARM/gem5.opt configs/example/fs.py -n 1 >> --kernel=vmlinux.arm.smp.fb.2.6.38.8 --cpu-type=atomic --clock=2.5GHz >> --script=dave.rcS >> >> Load checkpoint: >> >> ./build/ARM/gem5.opt configs/example/fs.py -n 1 >> --kernel=vmlinux.arm.smp.fb.2.6.38.8 --cpu-type=atomic --clock=2.5GHz >> --script=dave.rcS -r 1 >> >> fatal: Memory range size has changed! Saw 67108864, expected 268435456 >> @ cycle 1973295712800 >> [unserializeStore:build/ARM/mem/physical.cc, line 406] >> Memory Usage: 315256 KBytes >> >> >> >> On Oct 18, 2012, at 11:40 AM, Ali Saidi wrote: >> >> >> Hi Dave, >> >> It looks like the second system doesn't have a tlb (this=0x0) in the #0 >> frame. >> >> >> >> Thanks, >> >> Ali >> >> On 18.10.2012 11:14, David Roberts wrote: >> >> Hello, >> >> I'm using the latest development repository and ran into a problem when >> restoring checkpoints. I create the checkpoint in atomic mode, then restore >> it with detailed mode, which instantly segfaults. Any advice would be >> appreciated; >> >> 1) creating checkpoint >> >> ./build/ARM/gem5.opt configs/example/fs.py -n 1 >> --kernel=vmlinux-3.3-arm-vexpress-emm-pcie --machine-type=VExpress_EMM >> --cpu-type=atomic --clock=2.5GHz --script=test.rcS >> >> 2) restoring from checkpoint in detailed mode >> >> ./build/ARM/gem5.debug configs/example/fs.py -n 1 >> --kernel=vmlinux-3.3-arm-vexpress-emm-pcie --machine-type=VExpress_EMM >> --restore-with-cpu=detailed --caches --clock=2.5GHz --script=test.rcS -r 1 >> >> Error message when run in gdb; >> >> Program received signal SIGSEGV, Segmentation fault. >> 0x000000000046c9e2 in ArmISA::TLB::invalidateMiscReg (this=0x0) at >> build/ARM/arch/arm/tlb.hh:258 >> 258 inline void invalidateMiscReg() { miscRegValid = false; } >> (gdb) bt >> #0 0x000000000046c9e2 in ArmISA::TLB::invalidateMiscReg (this=0x0) at >> build/ARM/arch/arm/tlb.hh:258 >> #1 0x00000000004c573e in ArmISA::copyRegs (src=0x3b8fe20, dest=0x3ec5eb0) >> at build/ARM/arch/arm/utility.cc:159 >> #2 0x000000000144b701 in SimpleThread::copyArchRegs (this=0x2adbd20, >> src_tc=0x3b8fe20) at build/ARM/cpu/simple_thread.cc:265 >> #3 0x000000000144ab2f in SimpleThread::copyState (this=0x2adbd20, >> oldContext=0x3b8fe20) at build/ARM/cpu/simple_thread.cc:165 >> #4 0x000000000144aa7b in SimpleThread::copyTC (this=0x2adbd20, >> context=0x3b8fe20) at build/ARM/cpu/simple_thread.cc:146 >> #5 0x000000000149ad94 in FullO3CPU<O3CPUImpl>::unserialize (this=0x3b33110, >> cp=0x49f8750, section=...) at build/ARM/cpu/o3/cpu.cc:1115 >> #6 0x0000000001ac2665 in SimObject::loadState (this=0x3b33110, >> cp=0x49f8750) at build/ARM/sim/sim_object.cc:83 >> #7 0x0000000001ea591f in _wrap_SimObject_loadState (args=0x2e21ef0) at >> build/ARM/python/m5/internal/param_SimObject_wrap.cc:3039 >> #8 0x00002aaaaab4b1e8 in PyObject_Call (func=0x2aaaaaee3908, arg=0x2e21ef0, >> kw=0x0) at Objects/abstract.c:2487 >> #9 0x00002aaaaabe25dc in ext_do_call (f=0x480d320, throwflag=<value >> optimized out>) at Python/ceval.c:3978 >> #10 PyEval_EvalFrameEx (f=0x480d320, throwflag=<value optimized out>) at >> Python/ceval.c:2410 >> #11 0x00002aaaaabe673f in PyEval_EvalCodeEx (co=0x2aaaaaffe558, >> globals=<value optimized out>, locals=<value optimized out>, args=0x32dbfa8, >> argcount=2, kws=0x32dbfb8, kwcount=0, defs=0x0, defcount=0, closure=0x0) at >> Python/ceval.c:2942 >> #12 0x00002aaaaabe4517 in call_function (f=0x32dbde0, throwflag=<value >> optimized out>) at Python/ceval.c:3775 >> #13 PyEval_EvalFrameEx (f=0x32dbde0, throwflag=<value optimized out>) at >> Python/ceval.c:2370 >> #14 0x00002aaaaabe673f in PyEval_EvalCodeEx (co=0x2cedd50, globals=<value >> optimized out>, locals=<value optimized out>, args=0x3809940, argcount=1, >> kws=0x3809948, kwcount=0, defs=0x32d07e8, defcount=1, closure=0x0) >> at Python/ceval.c:2942 >> #15 0x00002aaaaabe4517 in call_function (f=0x38096c0, throwflag=<value >> optimized out>) at Python/ceval.c:3775 >> #16 PyEval_EvalFrameEx (f=0x38096c0, throwflag=<value optimized out>) at >> Python/ceval.c:2370 >> #17 0x00002aaaaabe4e26 in call_function (f=0x37bacb0, throwflag=<value >> optimized out>) at Python/ceval.c:3765 >> #18 PyEval_EvalFrameEx (f=0x37bacb0, throwflag=<value optimized out>) at >> Python/ceval.c:2370 >> #19 0x00002aaaaabe673f in PyEval_EvalCodeEx (co=0x2d8d378, globals=<value >> optimized out>, locals=<value optimized out>, args=0x0, argcount=0, kws=0x0, >> kwcount=0, defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:2942 >> #20 0x00002aaaaabe6782 in PyEval_EvalCode (co=0x0, globals=0x7fffffffa459, >> locals=0x144da20) at Python/ceval.c:515 >> #21 0x00002aaaaabe5576 in exec_statement (f=0x361d850, throwflag=<value >> optimized out>) at Python/ceval.c:4360 >> #22 PyEval_EvalFrameEx (f=0x361d850, throwflag=<value optimized out>) at >> Python/ceval.c:1706 >> #23 0x00002aaaaabe673f in PyEval_EvalCodeEx (co=0x2d2c8a0, globals=<value >> optimized out>, locals=<value optimized out>, args=0x0, argcount=0, >> kws=0x2db43c0, kwcount=0, defs=0x0, defcount=0, closure=0x0) at >> Python/ceval.c:2942 >> #24 0x00002aaaaabe4517 in call_function (f=0x2db4240, throwflag=<value >> optimized out>) at Python/ceval.c:3775 >> #25 PyEval_EvalFrameEx (f=0x2db4240, throwflag=<value optimized out>) at >> Python/ceval.c:2370 >> #26 0x00002aaaaabe673f in PyEval_EvalCodeEx (co=0x2d8d3f0, globals=<value >> optimized out>, locals=<value optimized out>, args=0x0, argcount=0, kws=0x0, >> kwcount=0, defs=0x0, defcount=0, closure=0x0) at Python/ceval.c:2942 >> #27 0x00002aaaaabe6782 in PyEval_EvalCode (co=0x0, globals=0x7fffffffa459, >> locals=0x144da20) at Python/ceval.c:515 >> #28 0x00002aaaaac076c9 in run_mod (str=0x20eac33 "m5.main()", start=<value >> optimized out>, globals=0x2b647b0, locals=0x2b647b0, flags=0x0) at >> Python/pythonrun.c:1330 >> #29 PyRun_StringFlags (str=0x20eac33 "m5.main()", start=<value optimized >> out>, globals=0x2b647b0, locals=0x2b647b0, flags=0x0) at >> Python/pythonrun.c:1293 >> #30 0x0000000001a82de8 in m5Main (argc=12, argv=0x7fffffffbcd8) at >> build/ARM/sim/init.cc:256 >> #31 0x000000000040a81b in main (argc=12, argv=0x7fffffffbcd8) at >> build/ARM/sim/main.cc:57 >> _______________________________________________ >> gem5-users mailing list >> [email protected]<mailto:[email protected]>http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> >> >> >> _______________________________________________ >> gem5-users mailing list >> [email protected]<mailto:[email protected]> >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> >> >> -- IMPORTANT NOTICE: The contents of this email and any attachments are >> confidential and may also be privileged. If you are not the intended >> recipient, please notify the sender immediately and do not disclose the >> contents to any other person, use it for any purpose, or store or copy the >> information in any medium. Thank you. >> >> _______________________________________________ >> gem5-users mailing list >> [email protected] >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users _______________________________________________ gem5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
