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authorGreg Kurz <groug@kaod.org>2019-05-16 09:36:57 +0200
committerDavid Gibson <david@gibson.dropbear.id.au>2019-05-29 11:39:45 +1000
commit75de59416df857b429f1aac028855090c69f2ea9 (patch)
treebf643c016d504c07ba1f75982c86fa93a2a986df /hw
parenteb3cba827294e2c128cd484f423da648fada8f68 (diff)
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spapr: Print out extra hints when CAS negotiation of interrupt mode fails
Let's suggest to the user how the machine should be configured to allow the guest to boot successfully. Suggested-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Signed-off-by: Greg Kurz <groug@kaod.org> Message-Id: <155799221739.527449.14907564571096243745.stgit@bahia.lan> Reviewed-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> Tested-by: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com> [dwg: Adjusted for style error] Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'hw')
-rw-r--r--hw/ppc/spapr_hcall.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index 63a5561..0a050ad 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);
}
}