| What: Raise a uevent when a USB Host Controller has died |
| Date: 2019-04-17 |
| KernelVersion: 5.2 |
| Contact: linux-usb@vger.kernel.org |
| Description: When the USB Host Controller has entered a state where it is no |
| longer functional a uevent will be raised. The uevent will |
| contain ACTION=offline and ERROR=DEAD. |
| |
| Here is an example taken using udevadm monitor -p:: |
| |
| KERNEL[130.428945] offline /devices/pci0000:00/0000:00:10.0/usb2 (usb) |
| ACTION=offline |
| BUSNUM=002 |
| DEVNAME=/dev/bus/usb/002/001 |
| DEVNUM=001 |
| DEVPATH=/devices/pci0000:00/0000:00:10.0/usb2 |
| DEVTYPE=usb_device |
| DRIVER=usb |
| ERROR=DEAD |
| MAJOR=189 |
| MINOR=128 |
| PRODUCT=1d6b/2/414 |
| SEQNUM=2168 |
| SUBSYSTEM=usb |
| TYPE=9/0/1 |
| |
| Users: chromium-os-dev@chromium.org |
