Hi All,
I am running PARSEC on gem5 in ALPHA FS mode. With the following commands, a
deadlock problem occurred:
###gem5 command line options###
~/gem5/build/ALPHA_MOESI_hammer/gem5.opt configs/example/ruby_fs.py
--cpu-type=timing -n 16 --clock='1GHz' --l1i_size=32kB --l1d_size=32kB
--l2_size=16MB --num-l2caches=16 --num-dirs=16 --cacheline_size=64 --caches
--ruby --topology=Mesh --garnet-network=fixed --mesh-rows=4
--kernel=vmlinux_2.6.27-gcc_4.3.4
--script=~/gem5/configs/boot/blackscholes-ckpts.rcS
###below is the running results:###
...
warn: Prefetch instructions in Alpha do not do anything
warn: Prefetch instructions in Alpha do not do anything
warn: Prefetch instructions in Alpha do not do anything
hack: be nice to actually delete the event here
info: Entering event queue @ 3352057344000. Starting simulation...
Writing checkpoint
info: Entering event queue @ 3352057347000. Starting simulation...
info: Entering event queue @ 3352057347000. Starting simulation...
panic: Possible Deadlock detected. Aborting!
version: 0 request.paddr: 0x[0x6d48, line 0x6d40] m_readRequestTable: 1 current
time: 3352557347 issue_time: 3352057347 difference: 500000
@ cycle 3352557347000
[wakeup:build/ALPHA_MOESI_hammer/mem/ruby/system/Sequencer.cc, line 108]
Memory Usage: 1325856 KBytes
Program aborted at cycle 3352557347000
Aborted
So how should I fix this problem? Any help greatly appreciated!
Best regards,
Song Jin
------------------------------------------------------------------------
Song Jin, Ph. D.
Department of Electronic and Communication Engineering
School of Electrical and Electronic Engineering
North China Electric Power University, P. R. China
Web: http://www.ncepu.edu.cn
------------------------------------------------------------------------
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