and the attachment...

On Fri, Nov 27, 2009 at 6:31 PM, Joel Hestness <[email protected]>wrote:

> Hi Steve,
>   Thanks for the quick response.  I tried the m5 repository and ran into
> the same issue.
>   I have attached the updated src/mem/bus.cc that we had in our old source.
>  The changes that cause the problem are in calcPacketTiming, updating
> tickNextIdle and the packet firstWordTime and finishTime.
>   Thanks,
>   Joel
>
>
> On Fri, Nov 27, 2009 at 4:14 PM, Steve Reinhardt <[email protected]> wrote:
>
>> This bug may or may not be related to your changes; there were a
>> number of prefetcher bugs that I worked through a while ago and I'm
>> not sure if they're in m5-stable or not..  In general, m5-stable is
>> pretty stale and we haven't been very good about pushing bug fixes
>> there, so if you're trying to bring your code up to date it's much
>> better to go with the main m5 repository than m5-stable.  If you still
>> have trouble at that point, let us know.
>>
>> Steve
>>
>> On Fri, Nov 27, 2009 at 12:32 PM, Joel Hestness <[email protected]>
>> wrote:
>> > Hi,
>> >   I recently pulled down the current m5-stable repository to do some
>> > testing, and I patched it with my changes from our group's older
>> repository
>> > (versions below). When I try to run some of our tests, I get a
>> segmentation
>> > fault. I have traced it back to our modification the the bus in
>> > ./src/mem/bus.cc. We had modified calcPacketTiming so that we could
>> simulate
>> > a zero-latency/no-contention bus in detailed simulation (recvTiming). I
>> am
>> > not sure where to start debugging this problem. I have attached the gdb
>> > output.
>> >   Is there, perhaps, a better way to simulate a bus with no contention
>> in
>> > detailed simulation?
>> >   Thanks,
>> >   Joel
>> > Revisions:
>> >   Old: changeset:   5589:733318abb7b1
>> >   Current: changeset:   6283:94c016415053
>> >
>> > --
>> >  Joel Hestness
>> >  PhD Student, Computer Architecture
>> >  Dept. of Computer Science, University of Texas - Austin
>> >  http://www.cs.utexas.edu/~hestness
>> >
>> > _______________________________________________
>> > m5-users mailing list
>> > [email protected]
>> > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
>> >
>> _______________________________________________
>> m5-users mailing list
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>>
>
>
>
> --
>  Joel Hestness
>  PhD Student, Computer Architecture
>  Dept. of Computer Science, University of Texas - Austin
>  http://www.cs.utexas.edu/~hestness
>



-- 
 Joel Hestness
 PhD Student, Computer Architecture
 Dept. of Computer Science, University of Texas - Austin
 http://www.cs.utexas.edu/~hestness

Attachment: bus.cc
Description: Binary data

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