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