On 25 March 2015 at 21:32, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote: > On 25 March 2015 at 17:14, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote: >> On 25 March 2015 at 17:14, Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx> wrote: >>> On 25 March 2015 at 07:59, Riku Voipio <riku.voipio@xxxxxxxxxx> 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? Riku >>>> 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-uefi@xxxxxxxxxxxxxxxx >>>> http://lists.linaro.org/mailman/listinfo/linaro-uefi _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
