Avi Kivity wrote:
Code: 31 d9 31 f8 09 c1 74 2b 8b 0c 24 b8 01 00 00 00 31 db 89 86 74
0d 00 00 89
ea 89 f8 09 da 81 e1 01 08 00 00 09 c8 b9 80 00 00 c0 <0f> 30 ff 86
b0 00 00 00
8b 5c 24 08 8b 74 24 0c 8b 7c 24 10 8b
EIP: [<f8f99222>] vmx_save_host_state+0x132/0x190 [kvm_intel] SS:ESP
Hmm, the EFER-less T2600 strikes again. I'll prepare a patch.
Sorry, forgot about this, but a guilty conscience reminded me. Does the
attached patch help?
--
Any sufficiently difficult bug is indistinguishable from a feature.
diff --git a/kernel/vmx.c b/kernel/vmx.c
index 42e7fad..f4cb3c1 100644
--- a/kernel/vmx.c
+++ b/kernel/vmx.c
@@ -370,6 +370,8 @@ static void load_transition_efer(struct vcpu_vmx *vmx)
u64 guest_efer = vmx->guest_msrs[efer_offset].data;
u64 ignore_bits;
+ if (efer_offset < 0)
+ return;
/*
* NX is emulated; LMA and LME handled by hardware; SCE meaninless
* outside long mode
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