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Old 09-22-2009, 03:10 AM   #1
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USB Error: Device Descriptor read/64 error -71


I am using open suse 10.2 on one of my machine. Whenever i tried to connect my usb hub to the computer i get the error message in my dmesg command "USB Error: Device Descriptor read/64 error -71".

It was working fine before but now stopped working. I even tried booting from the usb changing bios settings ( it is a bootable usb and i actually install kubuntu 9.04 on this particular machine with a compact flash card) but did not work. It shows the same error on my kubuntu 9.04 on my other cf drive.

I tried every thing i know. modprobe, rmmod, cold start every thing. Only thing i did not do yet is to use another hub coz i have only one and i cannot connect any usb with out female female usb-1 cord.

Any idea what might be the reason behind it?


Old 09-22-2009, 09:41 AM   #2
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the problem is linux is using the wrong module. well actually it is loading the module that is in the scripts first. but we do not want to use that. In slackware we have a modprobe file that tells the usb modules to load from the kernel during boot up and use the right one first.
# Make sure that ehci-hcd is always loaded before uhci-hci
# # or ohci-hcd to prevent a kernel warning:
install uhci-hcd /sbin/modprobe ehci-hcd ; /sbin/modprobe -i uhci-hcd
install ohci-hcd /sbin/modprobe ehci-hcd ; /sbin/modprobe -i ohci-hcd
so create a new file and place this in your /etc/modprbe.d folder
let me know if it works.
this should be the fix for this link same problem in this link there is a temporary work around.


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