On 14 April 2015 at 13:07, Christoffer Dall <christoffer.d...@linaro.org> wrote: > On Mon, Apr 13, 2015 at 11:04:00AM +0200, Ard Biesheuvel wrote: >> 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. > > Which patches are those? For UEFI? >
Yes, for Tianocore. http://thread.gmane.org/gmane.comp.bios.tianocore.devel/13665 >> Hopefully this means Juno is fixed as well. >> >> I am trying to get a snapshot out asap, today or tomorrow perhaps? > > Thanks, > -Christoffer _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
