Hi Peter, On 3/11/19 2:26 PM, Peter Maydell wrote: > On Thu, 21 Feb 2019 at 14:20, Auger Eric <eric.au...@redhat.com> wrote: >> This commit introduces a regression when running with EDK2 FW: >> >> I get the following traces: >> >> error: kvm run failed Function not implemented > > Unfortunately I can't repro this, on a Mustang host with > 4.8.0-42-generic host kernel, with this command line: > > ./build/kvm/aarch64-softmmu/qemu-system-aarch64 -M > virt,gic-version=host -cpu host -smp 2 -m 4G -display none > --enable-kvm -serial stdio -bios > ~/QEMU_EFI_cbuild_debug_feb21_2019.fd > > Does that simplified command line still repro the problem > for you on your hardware, or does the bug require all > the extra stuff with blk and net devices and a real > guest filesystem to trigger? (You'll need to revert the > revert commit 942f99c825fc94c8b1a4, obivously.) > > More generally, can you strip the repro command line > down as much as possible to something that still shows > the bug? I'd rather not have to sort out getting TAP networking > on this box if it isn't actually a necessary component of > reproducing the bug :-)
yes I hit the bug with your reduced command line: aarch64-softmmu/qemu-system-aarch64 -M virt,gic-version=host -cpu host -smp 2 -m 4G -display none --enable-kvm -serial stdio -bios ~/VM/UEFI/QEMU_EFI_cbuild_debug_feb21_2019.fd [285347.260500] kvm [82944]: load/store instruction decoding not implemented InstallProtocolInterface: CE345171-BA0B-11D2-8E4F-00A0C969723B 13E6C2F20 BlockSize : 262144 LastBlock : FF error: kvm run failed Function not implemented PC=000000013f5a6004 X00=0000000000000000 X01=000000013e7310b0 X02=000000013f5a6004 X03=00000000404003c5 X04=0000000000000000 X05=0000000096000046 X06=000000013f828210 X07=000000013f828310 X08=000000013f8504c8 X09=0000000400000000 X10=000000013d6c1000 X11=000000013f297fff X12=0000000000000000 X13=0000000000000008 X14=0000000000000002 X15=00000000000000ff X16=000000013f872da0 X17=00000000ffffa6ab X18=0000000000000000 X19=0000000009000000 X20=000000013f5a7a78 X21=000000000000003a X22=000000013f5a7ab2 X23=0000000009000018 X24=000000013f631090 X25=0000000000000010 X26=0000000000000100 X27=000000013f89501b X28=000000013e7311b0 X29=000000013e7313e0 X30=000000013f5a5e40 SP=000000013f7bdf60 PSTATE=804003c5 N--- EL1h Thanks Eric > > thanks > -- PMM >