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-rw-r--r--util/inteltool/rootcmplx.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/util/inteltool/rootcmplx.c b/util/inteltool/rootcmplx.c
index eee6899753..c9703e2859 100644
--- a/util/inteltool/rootcmplx.c
+++ b/util/inteltool/rootcmplx.c
@@ -135,6 +135,7 @@ int print_rcba(struct pci_dev *sb)
if (rcba == NULL) {
perror("Error mapping RCBA");
+ printf("Try booting with iomem=relaxed.\n");
exit(1);
}