Hi, You are right. I check the logfile. The RIPs are 0xffffff for a long time. It all appear to be in kernel mode. Would you please let me know is there any way to solve this problem? Since it seems some people could run java benchmark on Marss.
Thanks zhe On Sat, Apr 16, 2011 at 11:53 PM, DRAM Ninjas <[email protected]> wrote: > Actually one thing I've encountered is that sometimes my simulations also > get "stuck" ... if you look at your log file, the last field is an RIP > value. If you see all your RIPs for a long along time being 0xffffff..... > (instead of 0x00000004....), then that means that the simulation got stuck > in kernel mode. According to Avadh, this is potentially a bug with QEMU's > handling of IDE interrupt requests. Can you look at your log file and see if > the RIPs all appear to be in kernel mode? > > On Sun, Apr 17, 2011 at 12:16 AM, Zhe Wang <[email protected]> wrote: > >> Hi, >> I already tried /start_sim; java HelloWorld; ./stop_sim >> >> I run it more than 3 hours. It still did not stop. Have no idea what >> happened. >> >> Thanks >> zhe >> >> >> On Sat, Apr 16, 2011 at 11:11 PM, DRAM Ninjas <[email protected]>wrote: >> >>> how long have you let it run? perhaps the java startup time is >>> significant when running in simulation mode so it will take some time to get >>> the ball rolling. >>> >>> Try running: >>> >>> ./start_sim; java HelloWorld; ./stop_sim >>> >>> And just let it go ... if you get to the stop, then you know that the >>> HelloWorld program ran successfully >>> >>> >>> On Sat, Apr 16, 2011 at 11:15 PM, Zhe Wang <[email protected]> wrote: >>> >>>> Hi, >>>> >>>> The ptlsim keep printing the status update into the logfile like: >>>> Completed 44560000 cycles, 40828598 commits: 134494 Hz, >>>> 171620 insns/sec: rip ffffffff81050178 >>>> >>>> But on the QEMU screen, it freeze like: >>>> >>>> root@ubuntu:~# ./start_sim; >>>> >>>> Switching to simulation >>>> ptlsim_ptlcall_init: Mapped Ptlcall MMIO page at phys 0x8ffff000, virt >>>> 0x7fabc927b000 >>>> >>>> root@ubuntu:~# java HelloWorld >>>> >>>> >>>> There are no "Hello, World" output as it supposed to be. Any idea about >>>> this? >>>> >>>> Thanks >>>> zhe >>>> >>>> >>>> >>>> >>>> On Sat, Apr 16, 2011 at 8:56 PM, DRAM Ninjas <[email protected]>wrote: >>>> >>>>> When you say 'freezing', you mean you aren't getting the ptlsim prints >>>>> with the status updates? Is there anything in your log file after you run >>>>> start_sim and the java code? >>>>> >>>>> >>>>> On Sat, Apr 16, 2011 at 8:33 PM, Zhe Wang <[email protected]>wrote: >>>>> >>>>>> Hi, >>>>>> >>>>>> I have encountered problem while runnining simple Java code after >>>>>> executing "start_sim" on qemu linux, as follows: >>>>>> >>>>>> public class HelloWorld { >>>>>> public static void main(String[] args) { >>>>>> System.out.println("Hello, World"); >>>>>> } >>>>>> >>>>>> } >>>>>> >>>>>> I tried both open-java6-jdk as well as sun-java6-jdk installed on qemu >>>>>> linux, the compiled class file ran very well on Ubuntu on Qemu, but >>>>>> freeze >>>>>> after starting "start_sim" >>>>>> I executed "java -verbose HelloWorld" and got nothing output. >>>>>> >>>>>> I also tried compile the Java code into executable binary using >>>>>> gcj-4.3, and the executable freeze without printing "Hello, World" as >>>>>> well. >>>>>> Does anybody know what could be the reason cause such issue for >>>>>> running Java benchmarks after "start_sim"? >>>>>> >>>>>> Sincerely >>>>>> Zhe >>>>>> >>>>>> >>>>>> On Sat, Apr 16, 2011 at 11:53 AM, DRAM Ninjas >>>>>> <[email protected]>wrote: >>>>>> >>>>>>> To the simulator, it doesn't really matter what type of workload is >>>>>>> running inside of the virtual machine. It's all just a machine code >>>>>>> instruction stream. Are you asking if the marss disk images have java >>>>>>> installed on them? They don't have java installed, but if you have the >>>>>>> network working in the virtual machine you can just install java from >>>>>>> apt-get. >>>>>>> >>>>>>> >>>>>>> On Sat, Apr 16, 2011 at 11:37 AM, Zhe Wang <[email protected]>wrote: >>>>>>> >>>>>>>> Hello, all >>>>>>>> >>>>>>>> I am wondering does Marss support running java application. I did >>>>>>>> some simple java test on marss and it seems marss does not support java >>>>>>>> application. Does anybody have idea about this? Thanks. >>>>>>>> >>>>>>>> zhe >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> http://www.marss86.org >>>>>>>> Marss86-Devel mailing list >>>>>>>> [email protected] >>>>>>>> https://www.cs.binghamton.edu/mailman/listinfo/marss86-devel >>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>> >>> >> >
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