Re: [Gems-users] Failed assertion in DirectoryMemory.C

[Mike Marty <mikem@xxxxxxxxxxx>]

This error appears when the mapping functions in Slicc don't agree with 
what the individual DirectoryMemory's range of memory.
See the map_Address_to_Directory and map_Address_to_DirectoryNode 
functions in ruby/slicc_interface/RubySlicc_ComponentMapping.h
--Mike


Enric Herrero wrote:

> Hi,
>
> We are running simulations with a new protocol we have
> written. It worked in the tester and also while
> running SPLASH2 Water-Spatial with 4,8,16 and 32
> processors. But we have the following error when
> simulating with 64 processors:
>
> Processors: 64
> Creating system done
> Ruby initialization complete
> failed assertion 'isPresent(address)' at fn
> Directory_Entry& DirectoryMemory::lookup(PhysAddress)
> in system/DirectoryMemory.C:132
> failed assertion 'isPresent(address)' at fn
> Directory_Entry& DirectoryMemory::lookup(PhysAddress)
> in system/DirectoryMemory.C:132
>
> We think that maybe it is a problem of how we
> configure the simulation since the protocol worked
> with the other configurations. The problem appears
> only when we load ruby. We have defined the following
> parameters:
>
> @boards = {0 : [[0, 4, 4096],[1, 4, 0],[2, 4, 0],[3,
> 4, 0],[4, 4, 0],[5, 4, 0]],
>           1 : [[0, 4, 0],[1, 4, 0],[2, 4, 0],[3, 4,
> 0],[4, 4, 0],[5, 4, 0]],
>           2 : [[0, 4, 0],[1, 4, 0],[2, 4, 0],[3, 4,
> 0]]} #4096 Mb of main memory
>
> @sarek_disk_size = 4256972800L
>
> ruby0.setparam L2_CACHE_NUM_SETS_BITS 18 #512kB/proc
> ruby0.setparam g_MEMORY_SIZE_BYTES 4294967296 #32 bits
>
> We would be very grateful if someone knows why this
> error appears. Thank you.
>
> /Marco and Enric
>
>
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