Are you copying the checkpoint to the node on which it's running? On Mon, Oct 1, 2012 at 12:11 AM, Fangfei Liu <fangf...@princeton.edu> wrote:
> Sorry I may use the wrong command when I run the executable with gdb to > get previous information. The problem I met is a little bit strange. I'm > running gem5 on a cluster. It turns out that it works fine at the head > node of the cluster with gdb (at least no segmentation fault after > running for more than 10 minutes.) But when I submitted the job into a job > queue and run it on other nodes, segmentation fault occurred after it run > for only several seconds. > ------------------------------ > *From:* gem5-users-boun...@gem5.org [gem5-users-boun...@gem5.org] on > behalf of Ali Saidi [sa...@umich.edu] > *Sent:* Sunday, September 30, 2012 11:32 PM > > *To:* gem5 users mailing list > *Subject:* Re: [gem5-users] questions on running benchmark on gem5 > > 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<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 >>> >> >> >> _______________________________________________ >> 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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