[Gems-users] Segmentation Fault

[Enric Herrero <enricherrero@xxxxxxxx>]

Hi, 
We are having a similar problem as the one that had
Arrvindh this march. Sudenly when we try to load Ruby
we get a segmentation fault like that:

simics> run-command-file ../sarek/start.simics
Turning I-STC off and flushing old data
Turning D-STC off and flushing old data
successful installation of the ruby timing model.
***  Simics getting shaky, switching to 'safe' mode.
Simics (main thread) received a segmentation fault.
Will try to recuperate.
simics>

And the script we run is the following:

read-configuration
/localdisk/cmp/chkpt/cold_watersp4p.chkpt
instruction-fetch-mode instruction-fetch-trace
istc-disable
dstc-disable
load-module ruby
ruby0.setparam g_NUM_PROCESSORS 4
ruby0.setparam g_NUM_L2_BANKS 4
ruby0.setparam g_NUM_MEMORIES 4
ruby0.setparam g_PROCS_PER_CHIP 4
ruby0.setparam L1_CACHE_NUM_SETS_BITS 8
ruby0.setparam L2_CACHE_NUM_SETS_BITS 12
ruby0.setparam g_DATA_BLOCK_BYTES 32
ruby0.setparam g_MEMORY_SIZE_BYTES 4294967296 (32
bits)
c

The original configuration with the simics script is
the following:

# set up 4 processors with 512MB
@boards = {0 : [[0, 4, 2048]]}
@sarek_disk_size = 4256972800L
@sarek_files = [["sarek-sol9-install.disk", "ro", 0,
4256972800L]]

Also if we check the memory in simics it appears like
that:

simics> phys_mem0.map
base               object     fn offs   length        
  
0x0000000000000000 memory0    0 0x0     0x80000000
0x000007fff07ffff0 hfs0       0 0x0     0x10      
simics>

Does anyone know how to solve this problem?
Thank you very much

/Marco and Enric



		
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