On Sun, Jun 20, 2010 at 8:41 PM, Lide Duan <leaderd...@gmail.com> wrote: > Hi, > > I just started learning M5, but encountered some problems. I am using the > latest stable repository (m5-stable). > > 1. I got M5 compiled on both 32-bit and 64-bit host machines. However, on > 32-bit host, when running m5.fast, it always gives me the following error: > fatal: Cannot open file m5out/stats.txt > @ cycle 0 > The same error happened in m5.opt. I checked m5out directory, an empty > stats.txt file has been created there. Besides, It doesn't matter if I > change the --outdir or --stats-file options. Only m5.debug can proceed > execution without the above error. However, on 64-bit host, all m5 binaries > can run. I wonder if an 64-bit host is required (recommended?) for M5?
A 64-bit host is definitely strongly recommended. That's kind of a bizarre error and it seems surprising that it would be related to being a 32-but vs. a 64-bit host though... sounds more like a permissions thing. > 2. On 64-bit host, when I run m5.debug (and also m5.opt) with the following > command (unmodified se.py): > command line: ./m5.debug ../../configs/example/se.py --cmd > /home/duan/spec2000binaries/int_gap/gap00.peak.ev6 --options -l > /home/duan/spec2000binaries/int_gap/ -q -m 192M --input > /home/duan/spec2000binaries/int_gap/ref.in --detailed --num-cpus 1 --caches > --l2cache --max-inst 1000000 --fast-forward 10000000 > The following assertion will fail when switching the cpu (after fast > forwarding): > > switching cpus > m5.debug: build/ALPHA_SE/cpu/o3/thread_context_impl.hh:57: void > O3ThreadContext< <template-parameter-1-1> >::takeOverFrom(ThreadContext*) > [with Impl = O3CPUImpl]: Assertion `getSystemPtr() == > old_context->getSystemPtr()' failed. > Program aborted at cycle 5001415000 > > It doesn't matter if other SPEC benchmarks are used. This happens when > running m5.debug and m5.opt. But for m5.fast and m5.prof, the above command > can finish execution and output the results. I searched the M5 archive, and > found the following related thread: > http://www.mail-archive.com/m5-users@m5sim.org/msg02812.html > Unfortunately, it didn't provide an answer to the problem... Can anyone > help? I don't have an answer to this either... anyone else? The reason you don't get the message on m5.fast is that m5.fast compiles out the assertion checks. Steve _______________________________________________ m5-users mailing list m5-users@m5sim.org http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
