On 27 March 2015 at 01:02, Ard Biesheuvel <ard.biesheu...@linaro.org> wrote: > On 26 March 2015 at 09:09, Riku Voipio <riku.voi...@linaro.org> wrote: >> On 25 March 2015 at 21:32, Ard Biesheuvel <ard.biesheu...@linaro.org> wrote: >>> On 25 March 2015 at 17:14, Ard Biesheuvel <ard.biesheu...@linaro.org> wrote: >>>> On 25 March 2015 at 17:14, Ard Biesheuvel <ard.biesheu...@linaro.org> >>>> wrote: >>>>> On 25 March 2015 at 07:59, Riku Voipio <riku.voi...@linaro.org> wrote: >>>>>> Hi, >>>>>> >>>>>> It appears on juno, I can start kvm with UEFI only on cortex-a53 cores: >>>>>> >>>>>> >>>>>> taskset -c 0 qemu-system-aarch64 -m 1024 -cpu host -M virt -bios >>>>>> QEMU_EFI.fd -enable-kvm -nographic >>>>>> -> works: >>>>>> UEFI Interactive Shell v2.0 >>>>>> taskset -c 1 qemu-system-aarch64 -m 1024 -cpu host -M virt -bios >>>>>> QEMU_EFI.fd -enable-kvm -nographic >>>>>> -> hangs at cpu spinning 100% >>>>>> ... >>>>>> >>>>> >>>>> I can reproduce the hang, both with your UEFI binary and my own release >>>>> build. >>>>> The debug build works fine, unfortunately... >>>>> >>>> >>>> Tianocore built from master as of today, that is. >>>> >>> >>> OK, it appears that we were missing some cache maintenance. It is not >>> obvious how that should affect A57 only, but with these patches, I can >>> now reliably run the release version on my Seattle A57 >> >>> https://git.linaro.org/people/ard.biesheuvel/uefi-next.git/shortlog/refs/heads/qemu-xen-cache-maintenance >> >> Thanks. Do you know when there would be a new build on releases or snapshots? >> > > Let me check with Leif. We have another candidate patch now that he > could perhaps apply and kick off a build? >
I now have independent confirmation (from Laszlo Ersek) that the cache maintenance patches I am proposing fix the issue on Seattle. Hopefully this means Juno is fixed as well. I am trying to get a snapshot out asap, today or tomorrow perhaps? _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
