> On Dec. 10, 2014, 10:30 p.m., mike upton wrote: > > There is some issue with AMD platforms. A test that used to run in 30 sec > > is not finishing. > > > > > > mike upton wrote: > hello world passes. SPEC apps hang. > > > Gabe Black wrote: > Can you identify where it's getting stuck? It could be there's something > wrong with how exception handling is set up, and it gets stuck faulting over > and over when a page fault happens, for instance. You could have the KVM CPU > print what the IP is each time it regains control and see if they cluster > somewhere interesting. > > Gabe Black wrote: > Any luck? Unfortunately the time I have to work on gem5 is pretty > limited, so I probably won't be able to dig into this for a while. > > mike upton wrote: > on the intel platform, with the test input set, all of cpu2006 integer > tests pass, except for astar. > astar dies with a panic and page fault. > [m5PageFault:build/X86/arch/x86/pseudo_inst.cc, line 85] > > on the amd platform, all of the tests I tried fail to complete. > time continues to advance, but instructions are not completing. > > I am not sure what to do, I need the Intel platform code, but we should > not break the AMD side. > > Are there any AMD folks I can work with to figure out how to get both > sides working? > > > > Alexandru Dutu wrote: > Sorry about the late reply, I remember replying on a different mailing > list thread about this. I have tried this patch on my AMD system with some > short running applications and things worked fine. So, I will run cpu2006 and > see if there are any issues.
When running SPEC CPU2006 with latest gem5 on a 6 core Bulldozer, Ubuntu 14.04, linux 3.13.0-34, most of them call exit_group syscall except gromacs which fails because of unimplemented clock_gettime syscall. This means they ran until completion, however I have not yet checked if the output is actually correct. However, after applying this patch things break and there are unexpected exits in the middle of the execution. Looking more into it and coming up with more details. - Alexandru ----------------------------------------------------------- This is an automatically generated e-mail. To reply, visit: http://reviews.gem5.org/r/2557/#review5673 ----------------------------------------------------------- On Dec. 10, 2014, 10:11 a.m., Gabe Black wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > http://reviews.gem5.org/r/2557/ > ----------------------------------------------------------- > > (Updated Dec. 10, 2014, 10:11 a.m.) > > > Review request for Default. > > > Repository: gem5 > > > Description > ------- > > Changeset 10606:aa3eb7453246 > --------------------------- > x86: kvm: Fix the KVM CPU in SE and FS on Intel CPUs. > > There were a number of problems with how things were initialized which prevent > VMX from running the simulation as a guest. > > > Diffs > ----- > > src/arch/x86/process.cc 8fc6e7a835d1d313e139c9095251105f904ac1b4 > src/arch/x86/regs/misc.hh 8fc6e7a835d1d313e139c9095251105f904ac1b4 > src/arch/x86/system.hh 8fc6e7a835d1d313e139c9095251105f904ac1b4 > src/arch/x86/system.cc 8fc6e7a835d1d313e139c9095251105f904ac1b4 > src/arch/x86/utility.hh 8fc6e7a835d1d313e139c9095251105f904ac1b4 > src/arch/x86/utility.cc 8fc6e7a835d1d313e139c9095251105f904ac1b4 > src/cpu/kvm/x86_cpu.cc 8fc6e7a835d1d313e139c9095251105f904ac1b4 > > Diff: http://reviews.gem5.org/r/2557/diff/ > > > Testing > ------- > > > Thanks, > > Gabe Black > > _______________________________________________ gem5-dev mailing list gem5-dev@gem5.org http://m5sim.org/mailman/listinfo/gem5-dev
