From f8dc33088febc63286b7a60e6b678de8e064de8e Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Wed, 8 Jul 2009 12:27:38 +0200 Subject: xen: improvement to wait_for_devices() When printing a warning about a timed-out device, print the current state of both ends of the device connection (i.e., backend as well as frontend). This backports half of changeset 146 from the Xenbits tree. Cc: Jeremy Fitzhardinge Signed-off-by: Paolo Bonzini Signed-off-by: Jeremy Fitzhardinge --- drivers/xen/xenbus/xenbus_probe.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'drivers/xen/xenbus') diff --git a/drivers/xen/xenbus/xenbus_probe.c b/drivers/xen/xenbus/xenbus_probe.c index 19bce3e1b333..9246a8c4ecf2 100644 --- a/drivers/xen/xenbus/xenbus_probe.c +++ b/drivers/xen/xenbus/xenbus_probe.c @@ -885,10 +885,13 @@ static int print_device_status(struct device *dev, void *data) /* Information only: is this too noisy? */ printk(KERN_INFO "XENBUS: Device with no driver: %s\n", xendev->nodename); - } else if (xendev->state != XenbusStateConnected) { + } else if (xendev->state < XenbusStateConnected) { + enum xenbus_state rstate = XenbusStateUnknown; + if (xendev->otherend) + rstate = xenbus_read_driver_state(xendev->otherend); printk(KERN_WARNING "XENBUS: Timeout connecting " - "to device: %s (state %d)\n", - xendev->nodename, xendev->state); + "to device: %s (local state %d, remote state %d)\n", + xendev->nodename, xendev->state, rstate); } return 0; -- cgit v1.2.2