I added both rootdelay=2000 and rootwait=2000 in the menu.lst file. Still booting 24-core is not always successful. 64-core doesn't boot as before.
On Wed, Aug 19, 2015 at 9:32 AM, <[email protected]> wrote: > Try 'rootwait' instead of 'rootdelay=N'. > > The former will wait indefinitely, whereas the latter will timeout and is > probably resulting in the inconsistency that you are observing. > > Tyler > > > Hi > > > > I modified the rootdelay to 2000. And compiled MARSS with 16, 24 and 64 > > cores respectively. > > > > > > > > The result is: > > 16-core is quite fine and is working well. > > 24-core is not stable, not every time the system can boot, sometimes it > > doesn't boot. > > For 64-core, the boot fails and the screen output is like > > > > > > Best > > Wen > > > > > > > > On Tue, Aug 18, 2015 at 1:48 AM, Brendan Fitzgerald > > <[email protected] > >> wrote: > > > >> http://marss86.org/~marss86/index.php/QEMU_Tips > >> > >> On Mon, Aug 17, 2015 at 1:17 PM, Wen Zong <[email protected]> > >> wrote: > >> > >>> Hi > >>> > >>> Finally I was able to increase the size of the image and copied all > >>> parsec files to the image and now try to boot the 64-core system. > >>> > >>> But the guest Ubuntu 12.04 (precise) cannot boot with 64-core setup. > >>> And the output is like this > >>> [image: Inline image 1] > >>> This seems to be the problem of the guest kernel itself. > >>> > >>> > >>> The ubuntu-natty.qcow2 also doesn't work with 64-core whose output is > >>> like this > >>> [image: Inline image 2] > >>> > >>> I guess the guest kernel needs to be modified to make it work on > >>> 64-core > >>> processor. > >>> > >>> Best > >>> Wen > >>> > >>> > >>> > >>> > >>> > >>> On Sun, Aug 16, 2015 at 10:29 PM, Brendan Fitzgerald < > >>> [email protected]> wrote: > >>> > >>>> http://marss86.org/~marss86/index.php/QEMU_Tips > >>>> > >>>> On Sun, Aug 16, 2015 at 10:13 AM, Wen Zong <[email protected]> > >>>> wrote: > >>>> > >>>>> Hi > >>>>> > >>>>> My desktop connects the network through a proxy which makes the > >>>>> network > >>>>> setup tricky for me, so I gave up this morning. > >>>>> > >>>>> I'm now trying another approach by creating a image of ubuntu 12.04 > >>>>> (precise) and then copy the parsec files and ./create_checkpoint etc. > >>>>> into > >>>>> my new image. > >>>>> I first copy the content from parsecROI.img to my host with the help > >>>>> kpartx command. > >>>>> > >>>>> Now the problem is that when I copy the parsec folder from my host to > >>>>> the new image, it doesn't have enough space. > >>>>> I've tried to increase the rootsize option when invoking > >>>>> ubuntu-vm-builder but the image size is the same as when it is set to > >>>>> 5120. > >>>>> And after mounting, the image is a 4.1GB volume. > >>>>> Here's my configuration: > >>>>> > >>>>> [DEFAULT] > >>>>> arch = amd64 > >>>>> suite = precise > >>>>> rootsize = *10120 # I increased this but the raw image size doesn't > >>>>> change compared with 5120* > >>>>> addpkg = openssh-server, openssh-client, vim > >>>>> > >>>>> > >>>>> Do you know how to increase the size of the image? > >>>>> > >>>>> Many thanks > >>>>> Wen > >>>>> > >>>>> > >>>>> On Sun, Aug 16, 2015 at 9:43 PM, Brendan Fitzgerald < > >>>>> [email protected]> wrote: > >>>>> > >>>>>> You need to first convert the image to qcow2, since the > >>>>>> parsecROI.img > >>>>>> is read-only. > >>>>>> > >>>>>> You'll also need to enable networking, there are a bunch of sites > >>>>>> that > >>>>>> say how to do this. > >>>>>> > >>>>>> On Sun, Aug 16, 2015 at 5:13 AM, Wen Zong <[email protected] > > > >>>>>> wrote: > >>>>>> > >>>>>>> Hi Brendan > >>>>>>> > >>>>>>> Thank you for the suggestion. > >>>>>>> > >>>>>>> Do you mean I do the upgrade in the guest OS? > >>>>>>> I tried this in the provided parsecROI.img and cannot upgrade > >>>>>>> anything. > >>>>>>> The IP address in parsecROI.img is 127.0.0.1 which is different > >>>>>>> from > >>>>>>> the default qemu network setting. > >>>>>>> I'm not sure if this is this the problem of the network > >>>>>>> configuration. > >>>>>>> > >>>>>>> Best > >>>>>>> Wen > >>>>>>> > >>>>>>> > >>>>>>> > >>>>>>> On Sat, Aug 15, 2015 at 11:10 PM, Brendan Fitzgerald < > >>>>>>> [email protected]> wrote: > >>>>>>> > >>>>>>>> You can update the image using apt-get dist-upgrade. > >>>>>>>> > >>>>>>>> I know kernel version 3.0 works fine with Marss, I can't remember > >>>>>>>> off the top of my head if 3.2 works, but I know 3.16 doesn't, so > >>>>>>>> just be > >>>>>>>> aware of how recent of an Ubuntu release you go to. > >>>>>>>> > >>>>>>>> On Sat, Aug 15, 2015 at 4:35 AM, Wen Zong > >>>>>>>> <[email protected]> > >>>>>>>> wrote: > >>>>>>>> > >>>>>>>>> Hi all > >>>>>>>>> > >>>>>>>>> I'm try to simulate a 64-core system and run Parsec benchmark to > >>>>>>>>> test its performance. > >>>>>>>>> However the provided parsec image is using ubuntu 9.04, which > >>>>>>>>> supports at most 16 cores. > >>>>>>>>> Could someone give some suggestion to increase the maximal number > >>>>>>>>> of supported cores to 64? > >>>>>>>>> > >>>>>>>>> One possible solution is that, I can create the disk image using > >>>>>>>>> higher version of ubuntu which is supposed to support more 64 > >>>>>>>>> cores. But I > >>>>>>>>> don't have the modified Parsec benchmark in which the PTLcalls > >>>>>>>>> are > >>>>>>>>> inserted to mark the Region of Interest. > >>>>>>>>> > >>>>>>>>> Very appreciated if you can give some advices. > >>>>>>>>> > >>>>>>>>> Best regards > >>>>>>>>> Wen > >>>>>>>>> > >>>>>>>>> _______________________________________________ > >>>>>>>>> http://www.marss86.org > >>>>>>>>> Marss86-Devel mailing list > >>>>>>>>> [email protected] > >>>>>>>>> https://www.cs.binghamton.edu/mailman/listinfo/marss86-devel > >>>>>>>>> > >>>>>>>>> > >>>>>>>> > >>>>>>> > >>>>>> > >>>>> > >>>> > >>> > >> > > _______________________________________________ > > http://www.marss86.org > > Marss86-Devel mailing list > > [email protected] > > https://www.cs.binghamton.edu/mailman/listinfo/marss86-devel > > > > >
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