Hi, I'm using gem5 in gem5-aladdin software.
Using the fast forward option the switch cpu uses the system clock instead
of the cpu clock.
I just want to know if it was a bug in an old gem5 version or it is a
limitation of the simulator etc.
Maybe someone have tested it in a new build so can tell m
Hi,
I would say it depends on the config script you are using.
For example se.py is a correctly assigning different clock domains between the
system and the CPUs:
system.clk_domain = SrcClockDomain(
clock=args.sys_clock, voltage_domain=system.voltage_domain
)
[…]
system.cpu_clk_domain = S
Hi,
I am following the instructions here to get GPU full-system simulations
running but I run into the following error while trying to build the
disk-image. Has anyone run into this before?
Thanks,
Rajesh
==> qemu: Overriding default Qemu arguments with qemuargs template option...
2022/12/06 11:
*Update*: I was earlier running this on a shared server that I did not have
sudo access on (not that I actually used sudo in the build process). But
the build seems to work fine on my local machine with the following
dependencies satisfied. I read on other forums that the *KVM: Permission
denied* i
[AMD Official Use Only - General]
Hi Rajesh,
Thanks for the update. I'm glad you were able to get it worked out. Ideally
we wouldn't *require* sudo access but for KVM in general I think it is going to
highly depend on how the system was setup and there are some things that packer
won't be a
Hi,
I followed the instructions on running gpu-fs square using the
gem5-resources repository. My simulation has been stuck here for a while
...
build/VEGA_X86/arch/x86/kvm/x86_cpu.cc:1561: warn: kvm-x86: MSR
(0xc0010015) unsupported by gem5. Skipping.
build/VEGA_X86/arch/x86/kvm/x86_cpu.cc:1561:
[AMD Official Use Only - General]
Hi Rajesh,
I looks like no progress has been made since a very early tick number (the
timestamp print by Linux is equal to the current simulation tick / 1 trillion).
For reference it should take no more than 1-3 wall clock minutes to full boot
Linux and begin
Doing this should work just fine. What error were you getting?
--
Dr. Bobby R. Bruce
Room 3050,
Kemper Hall, UC Davis
Davis,
CA, 95616
web: https://www.bobbybruce.net
On Sun, Dec 4, 2022 at 11:06 AM minhui via gem5-users
wrote:
> Dear BBruce,Ayaz, Hoa and others:
>
>
> With your previous supp
Thank you for your response.
I double checked my image and kernel, I don't think KVM is hanging but the
progress seems to be a character printed on the term every once in a while.
I assume this is even before it could finish booting. Not sure if
fastfoward could help here
My term output:
m5
[AMD Official Use Only - General]
At this point I would check if the other KVM scripts are working for you (there
are some simple tests somewhere like boot Ubuntu and exit). KVM works on some
CPUs better than others, I believe, or at least this was true in the past. I
have a few other ideas t
Thank you for your time. I tried using the provided example for booting
Ubuntu from a disk-image.
*./build/X86/gem5.opt configs/example/gem5_library/x86-ubuntu-run.py*
With this, I see that the boot did complete with this example and *kvm-ok*
returns as expected on my machine.
Also, I should ment
Okay turns out the issue was indeed using a slow local machine somehow (AMD
Ryzen 7 5800H)
I ran the same thing on a "AMD EPYC 7451 24-Core Processor x2" and I am
able to run square now within 10minutes or so. I guess the last two lines
could be because of using an older rocm version.
Running ../
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