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Diffstat (limited to 'results/classifier/105/device/1073')
| -rw-r--r-- | results/classifier/105/device/1073 | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/results/classifier/105/device/1073 b/results/classifier/105/device/1073 new file mode 100644 index 00000000..f742d8ca --- /dev/null +++ b/results/classifier/105/device/1073 @@ -0,0 +1,42 @@ +device: 0.909 +graphic: 0.802 +vnc: 0.656 +network: 0.644 +instruction: 0.640 +boot: 0.596 +socket: 0.513 +semantic: 0.412 +mistranslation: 0.377 +other: 0.258 +assembly: 0.236 +KVM: 0.142 + +SIGABRT with -M raspi3b,accel=hvf on macOS +Description of problem: +There is a `SIGUSR2` or `SIGUSR1` raised which causes QEMU to abort: +``` +(lldb) bt +* thread #3, stop reason = signal SIGUSR2 + * frame #0: 0x0000000184c384a4 libsystem_kernel.dylib`__sigsuspend + 8 + frame #1: 0x0000000100b7ff34 qemu-system-aarch64`qemu_coroutine_new at coroutine-sigaltstack.c:221:9 + frame #2: 0x0000000100b91f0c qemu-system-aarch64`qemu_coroutine_create(entry=(qemu-system-aarch64`monitor_qmp_dispatcher_co at qmp.c:211), opaque=0x0000000000000000) at qemu-coroutine.c:90:14 + frame #3: 0x0000000100a833d8 qemu-system-aarch64`monitor_init_globals_core at monitor.c:707:25 +``` + +I tried skipping over it with `lldb`: +``` +(lldb) b main +(lldb) r +(lldb) process handle SIGUSR1 -s false -p true +(lldb) process handle SIGUSR2 -s false -p true +(lldb) c +qemu-system-aarch64: Unknown Error +``` + +I investigated the Unknown Error and and it's actually `HV_ILLEGAL_GUEST_STATE` which is unhandled in the `assert_hvf_ok` function. From here the VM will fail. +Steps to reproduce: +1. Get a fake disk. Or create a fake one with: `qemu-img create -f qcow2 zero.qcow2 2G` +2. Run QEMU with the HVF accelerator: `qemu-system-aarch64 -M raspi3b,accel=hvf -drive id=card0,if=none,format=qcow2,index=0,file=./zero.qcow2 -device sd-card,drive=card0 -serial stdio +` +Additional information: + |