From: Greg Kurz <gr...@kaod.org>

Let's suggest to the user how the machine should be configured to allow
the guest to boot successfully.

Suggested-by: Satheesh Rajendran <sathn...@linux.vnet.ibm.com>
Signed-off-by: Greg Kurz <gr...@kaod.org>
Message-Id: <155799221739.527449.14907564571096243745.st...@bahia.lan>
Reviewed-by: Satheesh Rajendran <sathn...@linux.vnet.ibm.com>
Tested-by: Satheesh Rajendran <sathn...@linux.vnet.ibm.com>
[dwg: Adjusted for style error]
Signed-off-by: David Gibson <da...@gibson.dropbear.id.au>
---
 hw/ppc/spapr_hcall.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 63a55614b8..0a050ad3d8 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -1646,12 +1646,14 @@ static target_ulong 
h_client_architecture_support(PowerPCCPU *cpu,
      */
     if (guest_xive) {
         if (spapr->irq->ov5 == SPAPR_OV5_XIVE_LEGACY) {
-            error_report("Guest requested unavailable interrupt mode (XIVE)");
+            error_report(
+"Guest requested unavailable interrupt mode (XIVE), try the ic-mode=xive or 
ic-mode=dual machine property");
             exit(EXIT_FAILURE);
         }
     } else {
         if (spapr->irq->ov5 == SPAPR_OV5_XIVE_EXPLOIT) {
-            error_report("Guest requested unavailable interrupt mode (XICS)");
+            error_report(
+"Guest requested unavailable interrupt mode (XICS), either don't set the 
ic-mode machine property or try ic-mode=xics or ic-mode=dual");
             exit(EXIT_FAILURE);
         }
     }
-- 
2.21.0


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