Gentoo Archives: gentoo-user

From: Iain Buchanan <iaindb@××××××××××××.au>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] usb1 performance out of usb2 external HD
Date: Mon, 16 Jan 2006 07:33:43
Message-Id: 1137396577.17284.14.camel@orpheus
In Reply to: Re: [gentoo-user] usb1 performance out of usb2 external HD by Willie Wong
1 On Mon, 2006-01-16 at 02:17 -0500, Willie Wong wrote:
2 > On Mon, Jan 16, 2006 at 04:08:58PM +0930, Penguin Lover Iain Buchanan squawked:
3 > > I noticed I had uhci-hcd loaded (the usb 1 module?) so I unloaded it,
4 > > and my keyboard stopped working!!! So using the laptop keyboard, I
5 > > replugged the HD (now without uhci-hcd) and it still goes slow...
6 >
7 > uhci-hcd is the driver for the intel USB host controller, so if you
8 > unload that, it is natural that it killed your (presumeably USB)
9 > keyboard.
10 >
11 > the driver for USB2.0, incidentally, should be ehci-hcd, and according
12 > to the kernel docs, if you have ehci built (grep USB_EHCI
13 > /usr/src/linux/.config), it will use USB2.0 on enabled devices.
14 >
15 > So, the question is, did you compile your kernel with EHCI support?
16
17 Yes, I should have mentioned that: I'm using ehci. I unloaded uhci.
18 I'm not using the old slow usb-block-device driver either.
19
20 thanks,
21 --
22 Iain Buchanan <iaindb at netspace dot net dot au>
23
24 Try not.
25 Do.
26 Or do not.
27 There is no try.
28
29 --
30 gentoo-user@g.o mailing list