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[Qemu-devel] [PULL 25/44] spapr: Print out extra hints when CAS negotiat


From: David Gibson
Subject: [Qemu-devel] [PULL 25/44] spapr: Print out extra hints when CAS negotiation of interrupt mode fails
Date: Wed, 29 May 2019 16:49:58 +1000

From: Greg Kurz <address@hidden>

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

Suggested-by: Satheesh Rajendran <address@hidden>
Signed-off-by: Greg Kurz <address@hidden>
Message-Id: <address@hidden>
Reviewed-by: Satheesh Rajendran <address@hidden>
Tested-by: Satheesh Rajendran <address@hidden>
[dwg: Adjusted for style error]
Signed-off-by: David Gibson <address@hidden>
---
 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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