28 lines
		
	
	
		
			733 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			733 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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