[dpdk-dev] [PATCH] vfio: expand non-viable group error message

[Kevin Traynor <ktraynor@redhat.com>]

"VFIO group is not viable" error message is correct
but not very user friendly for something which can
usually be easily rectified.

Add some additional text to give more of a hint.

Signed-off-by: Kevin Traynor <ktraynor@redhat.com>
---
 lib/librte_eal/linux/eal/eal_vfio.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/librte_eal/linux/eal/eal_vfio.c b/lib/librte_eal/linux/eal/eal_vfio.c
index 19e70bb66..6892a2c14 100644
--- a/lib/librte_eal/linux/eal/eal_vfio.c
+++ b/lib/librte_eal/linux/eal/eal_vfio.c
@@ -686,5 +686,7 @@ rte_vfio_setup_device(const char *sysfs_base, const char *dev_addr,
 		return -1;
 	} else if (!(group_status.flags & VFIO_GROUP_FLAGS_VIABLE)) {
-		RTE_LOG(ERR, EAL, "  %s VFIO group is not viable!\n", dev_addr);
+		RTE_LOG(ERR, EAL, "  %s VFIO group is not viable! "
+				"Not all devices in IOMMU group bound to VFIO or unbound\n",
+				dev_addr);
 		close(vfio_group_fd);
 		rte_vfio_clear_group(vfio_group_fd);
-- 
2.20.1