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Old 01-12-2005, 01:11 PM   #1
ryan_a_hH
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Registered: Jan 2005
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Question question on /proc/bus/usb/devices file


Ok, so I know that the filesystem for the usb devices gets mounted at /proc/bus/usb. And the first device detected is mapped to /dev/sda and is represented in /proc/scsi/usb-storage-0. My question is concerning a relation (if any) from a line in /proc/bus/usb/devices to sda.

Say the topology line in the /devices file reads:

T: Bus=00 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2

How is /usb-storage-0/ linked to this file? If they are not linked, how is /devices updated? Is there any other way of seeing what bus,level, and port ID the device is sitting at?

Basically I need to know what /dev/sdX a usb device got mapped to and what port this device is sitting on.

Thank you for your time.
 
Old 01-13-2005, 04:29 PM   #2
ryan_a_hH
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bump..anyone?
 
Old 01-21-2005, 02:49 PM   #3
ryan_a_hH
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sorry, last bump, then i'll give up
 
  


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