Date: | Tue, 15 Jun 2010 13:48:55 -0500 |
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From: | Ying Zhang <yzhan29@xxxxxxxxxxxxxx> |
Subject: | [Gems-users] Lack of forward progress detected |
Hi, I am a newbie to GEMS and SIMICS. After I made some small modifications to opal and run the simulator again, it stops with the following message: *** Lack of forward progress detected *** Cycle = 4194520 Fwd Progress Cycle = 4194519 Last retired cycle = 216 *** Lack of forward progress detected *** I found the corresponding code is in pseq_t::retireinstruction, but I have no idea why this happened. Specifically, what does this error imply? What does the variable "m_fwd_progress_cycle" refer to? There were two posts about similar issue on the list, but I didn't find useful clue there. How can I get this fixed? Thanks, Ying |
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