162306a36Sopenharmony_ciWhat:		Raise a uevent when a USB Host Controller has died
262306a36Sopenharmony_ciDate:		2019-04-17
362306a36Sopenharmony_ciKernelVersion:	5.2
462306a36Sopenharmony_ciContact:	linux-usb@vger.kernel.org
562306a36Sopenharmony_ciDescription:	When the USB Host Controller has entered a state where it is no
662306a36Sopenharmony_ci		longer functional a uevent will be raised. The uevent will
762306a36Sopenharmony_ci		contain ACTION=offline and ERROR=DEAD.
862306a36Sopenharmony_ci
962306a36Sopenharmony_ci		Here is an example taken using udevadm monitor -p::
1062306a36Sopenharmony_ci
1162306a36Sopenharmony_ci		    KERNEL[130.428945] offline  /devices/pci0000:00/0000:00:10.0/usb2 (usb)
1262306a36Sopenharmony_ci		    ACTION=offline
1362306a36Sopenharmony_ci		    BUSNUM=002
1462306a36Sopenharmony_ci		    DEVNAME=/dev/bus/usb/002/001
1562306a36Sopenharmony_ci		    DEVNUM=001
1662306a36Sopenharmony_ci		    DEVPATH=/devices/pci0000:00/0000:00:10.0/usb2
1762306a36Sopenharmony_ci		    DEVTYPE=usb_device
1862306a36Sopenharmony_ci		    DRIVER=usb
1962306a36Sopenharmony_ci		    ERROR=DEAD
2062306a36Sopenharmony_ci		    MAJOR=189
2162306a36Sopenharmony_ci		    MINOR=128
2262306a36Sopenharmony_ci		    PRODUCT=1d6b/2/414
2362306a36Sopenharmony_ci		    SEQNUM=2168
2462306a36Sopenharmony_ci		    SUBSYSTEM=usb
2562306a36Sopenharmony_ci		    TYPE=9/0/1
2662306a36Sopenharmony_ci
2762306a36Sopenharmony_ciUsers:		chromium-os-dev@chromium.org
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