I've found a bug in the beta 3 release of M5.  When running with more than
one CPU and no L2 cache, I get an invalid transition abort from the
coherence code while booting linux in FS mode.

Just running this command line will produce the error:

 

build/ALPHA_FS/m5.opt fs.py -t -n 4 -caches

 

I have looked at the problem in GDB and it appears the problem is stemming
from a packet getting on the memory bus that has a command MemCmd::WriteReq,
which is causing the error.

 

Geoff

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