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? >>>>> Qemu and kernel are latest mainline, kvm from last months Ĺinaro >>>>> release. According to cpuinfo cores 0 and 3-5 are a53 and 1-2 are a57. >>>>> Details: >>>>> >>>>> # wget >>>>> http://releases.linaro.org/15.01/components/kernel/uefi-linaro/release/qemu64-intelbds/QEMU_EFI.fd >>>>> uname -a >>>>> # Linux linaro-nano 4.0.0-rc5-linaro-juno #1 SMP PREEMPT Tue Mar 24 >>>>> 10:46:53 UTC 2015 aarch64 aarch64 aarch64 GNU/Linux >>>>> # qemu-system-aarch64 --version >>>>> QEMU emulator version 2.2.91 (Debian 2.3.0~rc1-185linaro+utopic), >>>>> Copyright (c) 2003-2008 Fabrice Bellard >>>>> # grep -E '(processor|part)' /proc/cpuinfo >>>>> processor : 0 >>>>> CPU part : 0xd03 >>>>> processor : 1 >>>>> CPU part : 0xd07 >>>>> processor : 2 >>>>> CPU part : 0xd07 >>>>> processor : 3 >>>>> CPU part : 0xd03 >>>>> processor : 4 >>>>> CPU part : 0xd03 >>>>> processor : 5 >>>>> CPU part : 0xd03 >>>>> >>>>> _______________________________________________ >>>>> Linaro-uefi mailing list >>>>> linaro-u...@lists.linaro.org >>>>> http://lists.linaro.org/mailman/listinfo/linaro-uefi _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
