diff options
Diffstat (limited to 'results/classifier/accel-gemma3:12b/kvm/1859310')
| -rw-r--r-- | results/classifier/accel-gemma3:12b/kvm/1859310 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/results/classifier/accel-gemma3:12b/kvm/1859310 b/results/classifier/accel-gemma3:12b/kvm/1859310 new file mode 100644 index 000000000..4e6e1e0fc --- /dev/null +++ b/results/classifier/accel-gemma3:12b/kvm/1859310 @@ -0,0 +1,21 @@ + +libvirt probing fails due to assertion failure with KVM and 'none' machine type + +Using libvirt on Ubuntu 19.10, I get the following error when I try to set <emulator> to the latest qemu from git (commit dc65a5bdc9): + + error: internal error: Failed to start QEMU binary /usr/local/bin/qemu-system-x86_64 for probing: /home/joey/git/qemu/target/i386/kvm.c:2176:kvm_arch_init: Object 0x564bfd5c3200 is not an instance of type x86-machine + +Qemu command line to reproduce: + + sudo x86_64-softmmu/qemu-system-x86_64 -machine 'none,accel=kvm' + +Commit ed9e923c3c (Dec 12, 2019) introduced the issue by removing an object_dynamic_cast call. In this scenario, kvm_arch_init is passed an instance of "none-machine" instead of "x86-machine". + +The following one-line change to target/i386/kvm.c reintroduces the cast: + + if (kvm_check_extension(s, KVM_CAP_X86_SMM) && ++ object_dynamic_cast(OBJECT(ms), TYPE_X86_MACHINE) && + x86_machine_is_smm_enabled(X86_MACHINE(ms))) { + smram_machine_done.notify = register_smram_listener; + qemu_add_machine_init_done_notifier(&smram_machine_done); + } \ No newline at end of file |