Choi, Wonje via gem5-users <gem5-users <at> gem5.org> writes:

> 
> 
> 
> Hi all,
> 
> I was trying to run PARSEC and SPLASH-2 benchmarks in ALPHA FS mode with
Ruby in the newest Gem5. 
> However, I've run into this error message:
> 
> 
> warn: Prefetch instructions in Alpha do not do anything
> 
> info: Entering event queue  <at>  2618625984500.  Starting simulation...
> Writing checkpoint
> info: Entering event queue  <at>  2618625986000.  Starting simulation...
> panic: Possible Deadlock detected. Aborting!
> version: 18 request.paddr: 0x[0x330000, line 0x330000]
m_writeRequestTable: 1 current time: 2618875986000 issue_time: 2618625986000
difference: 250000000
>   <at>  cycle 2618875986000
> [wakeup:build/ALPHA/mem/ruby/system/Sequencer.cc, line 122]
> Memory Usage: 1739068 KBytes
> Program aborted at cycle 2618875986000
> 
> 
> I ran this simulation with different protocols, such as
MOESI_CMP_directory, MESI_cmp_directory, and MOESI_hammer. But, all
simulations ran into same deadlock problem. I used 64 core on mesh topology
with 8 mesh row. I've also ran with both detailed and timing cpu types. 
> I have searched the mailing list, but I could not find a solution. It
worked with old Gem5 version, I'm not sure why it's doing this in newest
Gem5. Do you have any suggestion what I should do to solve this problem?
> 
> Thanks.
> 
> Best,
> Wonje Choi
> 
> Here is the command line that I've used for the simulation.
> 
> build/ALPHA/gem5.fast --outdir=m5out/network/fft/
configs/example/ruby_fs.py --cpu-type=timing --num-cpus=64 --caches
--l2cache --l1d_size=32kB --l1d_size=32kB --l2_size=8MB --num-dirs=64
--num-l2caches=64 --topology=Mesh --mesh-rows=8 --garnet-network=fixed
--checkpoint-dir=m5out/network/fft/ -b fft
> 
> 
> 
> 
> 
> 
> 
> _______________________________________________
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> gem5-users <at> gem5.org
> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users


Hi Wonje Choi,

I also have same problem with parsec and FS mode with latest version of gem5.
Can pls tell me for which version it was working for you?

Thank you,

Best
Nihar Rathod




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