Could you get a back trace when it happens. It's not a segmentation fault it's a SIGABRT. You're running into a assertion and we need to know who is creating this event that is causing you trouble.
Ali On Sep 30, 2012, at 9:44 PM, Fangfei Liu wrote: > I tried several different configurations. It works in atomic mode even with > caches. But segmentation fault occurs for both arm_detailed and detailed cpu > type. The checkpoint is taken in atomic mode. Should the checkpoint be taken > with the same cpu type as it runs by restoring the checkpoint? > > > From: gem5-users-boun...@gem5.org [gem5-users-boun...@gem5.org] on behalf of > Fangfei Liu [fangf...@princeton.edu] > Sent: Sunday, September 30, 2012 4:16 PM > To: gem5 users mailing list > Subject: Re: [gem5-users] questions on running benchmark on gem5 > > Hi, > > This is the information I got from running it in gdb: > > Switch at curTick count:10000 > info: Entering event queue @ 19318968082000. Starting simulation... > gem5.opt: build/ARM/sim/simulate.cc:66: SimLoopExitEvent* simulate(Tick): > Assertion `curTick() <= mainEventQueue.nextTick() && "event scheduled in the > past"' failed. > Program received signal SIGABRT, Aborted. > 0x0000003127430285 in raise () from /lib64/libc.so.6 > > It seems that it failed at the assertion. Do you have any idea what's wrong > with it? Thanks! > > 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 3:32 PM > To: gem5 users mailing list > Subject: Re: [gem5-users] questions on running benchmark on gem5 > > You will need to use gdb or a similar tool to find out where that seg fault > is coming from. > > -Tony > > On Sun, Sep 30, 2012 at 3:29 PM, Fangfei Liu <fangf...@princeton.edu> wrote: > I didn't use caches when taking a checkpoint. This is the command line I used > to take the checkpoint. > > build/ARM/gem5.opt --outdir=bbench configs/example/fs.py -b bbench-gb > --kernel=vmlinux.smp.mouse.arm --frame-capture --checkpoint-dir=bbench > > > > > From: gem5-users-boun...@gem5.org [gem5-users-boun...@gem5.org] on behalf of > Anthony Gutierrez [atgut...@umich.edu] > Sent: Sunday, September 30, 2012 3:04 PM > > To: gem5 users mailing list > Subject: Re: [gem5-users] questions on running benchmark on gem5 > > 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. 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 > > > _______________________________________________ > 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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