diff options
| author |   Paolo Bonzini <pbonzini@redhat.com> | 2009-07-08 12:27:38 +0200 |
|---|---|---|
| committer |   Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-12-03 11:14:49 -0800 |
| commit | f8dc33088febc63286b7a60e6b678de8e064de8e (patch) | |
| tree | 1bafcc4d64001f132cdd374b643bce5474094a9a /drivers/xen | |
| parent | xen: fix is_disconnected_device/exists_disconnected_device (diff) | |
| download | linux-dev-f8dc33088febc63286b7a60e6b678de8e064de8e.tar.xz linux-dev-f8dc33088febc63286b7a60e6b678de8e064de8e.zip | |
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 <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'drivers/xen')
| -rw-r--r-- | drivers/xen/xenbus/xenbus_probe.c | 9 |
1 files changed, 6 insertions, 3 deletions
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; |