When I enable the Exec debug flag I can see that it seems to be stuck in a spin lock (queued_spin_lock_slowpath)
On Fri, Jul 19, 2019 at 5:28 PM Shehab Elsayed <shehaby...@gmail.com> wrote: > Hello All, > > I have a gem5 X86 full system set up that starts with KVM cores and then > switches to O3 cores once the benchmark reaches the region of interest. > Right now I am testing with a simple multithreaded hello world benchmark. > Sometimes the benchmark completes successfully while others gem5 just seems > to hang after starting the benchmark. I believe it is still executing some > instructions but without making any progress. The chance of this behavior ( > indeterminism) happening increases as the number of simulated cores or > the number of threads created by the benchmark increases. > > Any ideas what might be the reason for this or how I can start debugging > this problem? > > Note: I have tried the patch in https://gem5-review.googlesource > .com/c/public/gem5/+/19568 but the problem persists. > > Thanks! >
_______________________________________________ gem5-users mailing list gem5-users@gem5.org http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
