Hi Pritha, In general, the protocols in M5 aren't quite ready for "primetime" and I wouldn't be surprised if you encounter bugs like the one you mentioned. I'm happy to help you out and determine what the problem may be. However, be warned that I might not be able to immediately create and push in a fix. Could you send me the specific command line you ran? Also could you confirm that the MOESI hammer protocol with 4 processors works and that your problem is isolated to the MESI CMP directory protocol. Thanks, Brad
From: m5-dev-boun...@m5sim.org [mailto:m5-dev-boun...@m5sim.org] On Behalf Of Pritha Ghoshal Sent: Thursday, July 01, 2010 7:25 PM To: m5-dev@m5sim.org Subject: [m5-dev] MESI_CMP directory protocol with more than 2 processors Hi, I am trying to run MESI CMP directory protocol on M5. It seems to be functioning properly with 1 processor and 2 processors. But when I tried to run 4 processors, am getting the error: SMP: Processor 1 failed to start. SMP: Processor 2 failed to start. Therefore only 2 processors are getting launched, and even after that its not executing properly, am getting the following error repeatedly after sometime hda: dma_timer_expiry: dma status == 0x64 hda: DMA interrupt recovery hda: lost interrupt Could someone help me regarding this? I am not sure where to look into for trying to understand the reason of the problem... Thank you Pritha
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