diff options
Diffstat (limited to 'results/classifier/gemma3:12b/hypervisor/1693649')
| -rw-r--r-- | results/classifier/gemma3:12b/hypervisor/1693649 | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/hypervisor/1693649 b/results/classifier/gemma3:12b/hypervisor/1693649 new file mode 100644 index 000000000..9988e1ecc --- /dev/null +++ b/results/classifier/gemma3:12b/hypervisor/1693649 @@ -0,0 +1,12 @@ + +x86 pause misbehaves with -cpu haswell + +Using qemu-2.9.0 + +When booting NetBSD using '-cpu haswell -smp 4', the system fails to initialize the additional CPUs. It appears as though the "application processor" enters routine x86_pause() but never returns. + +x86_pause() is simply two assembler instructions: 'pause; ret;' + +Replacing the routine with 'nop; nop; ret;' allows the system to proceed, of course without the benefit of the pause instruction on spin-loops! + +Additionally, booting with '-cpu phenom -smp 4' also works, although the system does seem confused about the type of CPU being used. \ No newline at end of file |