From: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
The qemu will crash when info ioapic through hmp if irqchip
is split. Below message is splat:
KVM_GET_IRQCHIP failed: Unknown error -6
This patch fix it by dumping the ioapic state from the qemu
emulated ioapic if irqchip is split.
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Richard Henderson <rth@xxxxxxxxxxx>
Cc: Eduardo Habkost <ehabkost@xxxxxxxxxx>
Signed-off-by: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
---
target-i386/monitor.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/target-i386/monitor.c b/target-i386/monitor.c
index fccfe40..bf1e983 100644
--- a/target-i386/monitor.c
+++ b/target-i386/monitor.c
@@ -504,7 +504,8 @@ void hmp_info_local_apic(Monitor *mon, const QDict *qdict)
void hmp_info_io_apic(Monitor *mon, const QDict *qdict)
{
- if (kvm_irqchip_in_kernel()) {
+ if (kvm_irqchip_in_kernel() &&
+ !kvm_irqchip_is_split()) {
kvm_ioapic_dump_state(mon, qdict);
} else {
ioapic_dump_state(mon, qdict);
--
1.9.1
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