1What:		Raise a uevent when a USB Host Controller has died
2Date:		2019-04-17
3KernelVersion:	5.2
4Contact:	linux-usb@vger.kernel.org
5Description:	When the USB Host Controller has entered a state where it is no
6		longer functional a uevent will be raised. The uevent will
7		contain ACTION=offline and ERROR=DEAD.
8
9		Here is an example taken using udevadm monitor -p:
10
11		KERNEL[130.428945] offline  /devices/pci0000:00/0000:00:10.0/usb2 (usb)
12		ACTION=offline
13		BUSNUM=002
14		DEVNAME=/dev/bus/usb/002/001
15		DEVNUM=001
16		DEVPATH=/devices/pci0000:00/0000:00:10.0/usb2
17		DEVTYPE=usb_device
18		DRIVER=usb
19		ERROR=DEAD
20		MAJOR=189
21		MINOR=128
22		PRODUCT=1d6b/2/414
23		SEQNUM=2168
24		SUBSYSTEM=usb
25		TYPE=9/0/1
26
27Users:		chromium-os-dev@chromium.org
28