On Feb 19, 2009, at 1:15 PM, Angela Carlsson wrote: > Hello Ali thanks for the answer, you were right was an M5 bug, I was > using a little bit old version of M5 I updated and the error was > gone. I was testing DRAMsim and checkpoints and they do not work. So, it is working in the new version?
> > > By the way does fastforwarding work in FS?. Yes. Are you planning on using it instead of simulation? Ali > > Thanks a lot for the answers. > > > From: [email protected] > > To: [email protected] > > Date: Wed, 18 Feb 2009 22:42:35 -0500 > > Subject: Re: [m5-users] [PATCH] Beta patch for M5 2.0 DRAMsim > implemention > > > > > > On Feb 18, 2009, at 9:01 PM, nathan binkert wrote: > > > > >> Hmm...it is derived from PhysicalMemory, so from that viewpoint > all > > >> it > > >> needs is to be rebuilt using the same parameters and have the > > >> underlying PhysicalMemory data restored correctly. If > PhysicalMemory > > >> currently works with checkpointing, I am unclear what in my > DRAMsim > > >> code prevents it from working, since I do not override either > > >> serialize or unserialize. Any ideas on what to look for? > > > > > > Well, the error isn't with serialize/unserialize actually, it's > with > > > the drain code that forces the memory system to drain all in > flight > > > requests. We do the drain before we take a checkpoint to make > sure we > > > don't lose any data. > > It's possible that it's not a bug with DRAMsim, but rather some > other > > issue with M5. What other components are you simulating? Do you > have a > > NIC in the simulation? I know that over the last few months I've > fixed > > one or two checkpointing bugs with the Intel NIC model. A good start > > to understanding the problem is printing out the value of getCount() > > before that assert occurs. A value less than 0 means that some > object > > called process() on it's drainEvent more than it should have. I > don't > > think a positive value is possible. > > > > Ali > > > > _______________________________________________ > > m5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > ¡Haz tu clic solidario y ayuda a África! ¡Puedes empezar ahora! > _______________________________________________ > m5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users _______________________________________________ m5-users mailing list [email protected] http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
