From: Bandan Das <bsd@xxxxxxxxxx> If the device rom can't be read, report an error to the user. This alerts the user that the device has a bad state that is causing rom read failure or option rom loading has been disabled from the device boot menu (among other reasons). Signed-off-by: Bandan Das <bsd@xxxxxxxxxx> Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx> --- hw/misc/vfio.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/hw/misc/vfio.c b/hw/misc/vfio.c index ec9f41b..ef615fc 100644 --- a/hw/misc/vfio.c +++ b/hw/misc/vfio.c @@ -1125,6 +1125,13 @@ static void vfio_pci_load_rom(VFIODevice *vdev) vdev->rom_offset = reg_info.offset; if (!vdev->rom_size) { + error_report("vfio-pci: Cannot read device rom at " + "%04x:%02x:%02x.%x\n", + vdev->host.domain, vdev->host.bus, vdev->host.slot, + vdev->host.function); + error_printf("Device option ROM contents are probably invalid " + "(check dmesg).\nSkip option ROM probe with rombar=0, " + "or load from file with romfile=\n"); return; } -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html