Did you take a checkpoint with caches? If so, you must take a checkpoint without caches.
-Tony On Sun, Sep 30, 2012 at 2:58 PM, Fangfei Liu <fangf...@princeton.edu> wrote: > I see, probably I had some interacting with vncviewer with the mouse > when the keyboard is open. I tried to run the benchmark again and now it > can run to completion. Thank you very much for your kind help! > > I have another problem. I took a checkpoint after booting the OS in atomic > mode with the default configuration. I did this by inserting a m5 > instruction in the bbench-gb.rcS file: /sbin/m5 checkpoint (right after > sleep 10). The checkpoint can be taken correctly. Then I want to resume the > checkpoint and simulate BBench in arm_detailed mode, but I got segmentation > fault. The command line and output is as follows: > > command line: build/ARM/gem5.opt --outdir=bbench2 configs/example/fs.py -b > bbench-gb --kernel=vmlinux.smp.mouse.arm --frame-capture > --checkpoint-dir=bbench -r 1 --caches --cpu-type=arm_detailed --l2cache > --cacheline_size=64 --l1d_size=32kB --l1d_assoc=4 --l2_size=512kB > --l2_assoc=8 > Global frequency set at 1000000000000 ticks per second > info: kernel located at: > /tigress-hsm/fangfeil/gem5/system/binaries/vmlinux.smp.mouse.arm > Switch at curTick count:10000 > info: Entering event queue @ 19318968082000. Starting simulation... > Switched CPUS @ tick 19318968092000 > Changing memory mode to timing > switching cpus > **** REAL SIMULATION **** > info: Entering event queue @ 19318968092000. Starting simulation... > Segmentation fault > > I still use the same rcS file except comment the checkpoint command. I was > wondering whether I did this correctly. Thanks in advance! > > Best regards > Fangfei > > > ------------------------------ > *From:* gem5-users-boun...@gem5.org [gem5-users-boun...@gem5.org] on > behalf of Anthony Gutierrez [atgut...@umich.edu] > *Sent:* Sunday, September 30, 2012 12:59 PM > > *To:* gem5 users mailing list > *Subject:* Re: [gem5-users] questions on running benchmark on gem5 > > BBench is a web-page rendering benchmark, however, it shouldn't interact > with the web-pages in any way. It's doing a google search for something > called ewbay and the keyboard is open, that shouldn't happen. Were you > interacting with the vncviewer with the mouse? Is it possible that this > query could have been entered in error? There is nothing in the BBench > source called "ewbay", so it's hard to tell how that url is being produced > otherwise. > > -Tony > > On Sat, Sep 29, 2012 at 2:15 PM, Fangfei Liu <fangf...@princeton.edu>wrote: > >> Thanks for your reply. >> >> I didn’t change anything and the command line I used was exactly the same >> as that in the BBench instruction page. The exact URL is >> http://www.google.com/m?hl=md&gl=us&source=android-browser-type&q=ewbay<https://owa.princeton.edu/owa/redir.aspx?C=7HmSRhGXSk2J12xsesLMwH3TuxeMcc8IjThnd3hkIWuO2qoM84GhCA0ZlhUlBjlhcqAIq2Ta4iw.&URL=http%3a%2f%2fwww.google.com%2fm%3fhl%3dmd%26gl%3dus%26source%3dandroid-browser-type%26q%3dewbay>. >> It is actually doing google search for ebay. Please find attached a >> snapshot for this page. >> >> >> >> Best regards >> >> Fangfei >> >> Date: Fri, 28 Sep 2012 14:49:55 -0400 >> From: Anthony Gutierrez <atgut...@umich.edu> >> >> To: gem5 users mailing list <gem5-users@gem5.org> >> Subject: Re: [gem5-users] questions on running benchmark on gem5 >> Message-ID: >> <caeqebpsxtdzuouczrvt6q1-3ckj5mkwzgicnwdo9qbpwume...@mail.gmail.com> >> Content-Type: text/plain; charset="iso-8859-1" >> >> >> I started a BBench run this morning with a fresh check out of the latest >> dev repo, the Android kernel and an unmodified Gingerbread disk image with >> BBench, both from gem5.org/bbench-gem5. I do not see this problem, eBay >> renders fine and the simulation continues. I will need more info on your >> setup/how you're running the simulation if you'd like help with this >> problem. >> >> -Tony >> >> On Fri, Sep 28, 2012 at 11:31 AM, Anthony Gutierrez <atgut...@umich.edu >> >wrote: >> >> > I've never seen this problem before, and the BBench source for eBay does >> > not show anything called ewbay in the source, so I don't know how it's >> > getting redirected to that URL. Did you modify the BBench source in any >> > way? Can you send me your exact command line? And, can you tell me the >> > exact URL that the browser shows when it hangs? >> > >> > -Tony >> > >> > On Thu, Sep 27, 2012 at 10:25 AM, Fangfei Liu <fangf...@princeton.edu >> >wrote: >> > >> >> Hi,**** >> >> >> >> ** ** >> >> >> >> >> I tried to run Bbench on gem5 with Gingerbread disk image (atomic mode >> >> and default configuration). The simulator took about 140 minutes to >> boot >> >> Android and start running the benchmark. But it seems that the >> benchmark >> >> stalled at certain web page after running for a while. I find that it >> is >> >> supposed to render a web page in ebay but used the wrong url with >> ewbay. I >> >> terminated the simulation manually after 97 hours but find that the >> >> statistics shows only 87 billion instructions were simulated. I was >> >> wondering what caused the problem and what is supposed to be the end of >> >> running of Bbench? Will the simulation exit automatically? How many >> >> instructions are there if I want to run Bbench to completion? I also >> >> downloaded an EEMBC benchmark: AndEbench, which is an Android app (.apk >> >> file). Can I run this app directly on gem5? If so, does anyone know >> how to >> >> install and run it on gem5? Thanks!**** >> >> >> >> ** ** >> >> >> >> ** ** >> >> >> >> Best regards**** >> >> >> >> Fangfei**** >> >> >> >> ** ** >> >> >> >> >> _______________________________________________ >> >> gem5-users mailing list >> >> gem5-users@gem5.org >> >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> >> >> > >> > >> >> >> >> _______________________________________________ >> gem5-users mailing list >> gem5-users@gem5.org >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >> > > > _______________________________________________ > gem5-users mailing list > gem5-users@gem5.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >
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