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Old 8th May 2009, 07:48 AM
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the_duke Offline
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usb2 external hard drive ehci_hcd

Hello,

My external hard drive is a baracuda 7008.9 of size 160Gb, i am running a fedora 10 distribution on a hp pavilion laptop.

i have a problem related with the usb2.
If i am trying another hard drive than it works like a charm.

Having looked at dmesg :
Code:
It failed to use configuration #1chosen from 1 choice and output an error 110
It reset high speed USB device using ehci_hcd
I concluded that there was an issue with ehci_hcd. I forced to unload the ehci_hcd driver using that method :
Code:
ls /sys/bus/pci/drivers/ehci_hcd
and found a code of that type :  0000:00:0f.4 in it. 

Than use this code with the appropriate code : 

echo -n 0000:00:0f.4 >/sys/bus/pci/drivers/ehci_hcd/unbind

It worked and i was able to mount my hard drive.

The problem is that ( if i understood right) i am not using usb2 capabilities to transfer my files anymore, it implies that the transfer rate is low ( <1Mb/s).

Have u any idea's on how to fix it ?.

Thanks in advance.
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