aboutsummaryrefslogtreecommitdiff
path: root/hw/ppc/spapr_events.c
diff options
context:
space:
mode:
authorNicholas Piggin <npiggin@gmail.com>2020-03-26 00:29:05 +1000
committerDavid Gibson <david@gibson.dropbear.id.au>2020-04-07 08:55:10 +1000
commitb90b9ecb12ae37c089d1a837d8ff2c888d71902e (patch)
treeab9c12ddeac4251f61e84b472698f1f85bed9b1d /hw/ppc/spapr_events.c
parent6c3dd24c054a0701169b17be57b611bac8d99b5d (diff)
ppc/spapr: Add FWNMI machine check delivery warnings
Add some messages which explain problems and guest misbehaviour that may be difficult to diagnose in rare cases of machine checks. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Message-Id: <20200325142906.221248-4-npiggin@gmail.com> Reviewed-by: Greg Kurz <groug@kaod.org> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw/ppc/spapr_events.c')
-rw-r--r--hw/ppc/spapr_events.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/hw/ppc/spapr_events.c b/hw/ppc/spapr_events.c
index a908c5d0e9..c8964eb25d 100644
--- a/hw/ppc/spapr_events.c
+++ b/hw/ppc/spapr_events.c
@@ -833,6 +833,8 @@ static void spapr_mce_dispatch_elog(PowerPCCPU *cpu, bool recovered)
/* get rtas addr from fdt */
rtas_addr = spapr_get_rtas_addr();
if (!rtas_addr) {
+ error_report(
+"FWNMI: Unable to deliver machine check to guest: rtas_addr not found.");
qemu_system_guest_panicked(NULL);
g_free(ext_elog);
return;
@@ -874,6 +876,8 @@ void spapr_mce_req_event(PowerPCCPU *cpu, bool recovered)
* that CPU called "ibm,nmi-interlock")
*/
if (spapr->fwnmi_machine_check_interlock == cpu->vcpu_id) {
+ error_report(
+"FWNMI: Unable to deliver machine check to guest: nested machine check.");
qemu_system_guest_panicked(NULL);
return;
}