Gentoo Archives: gentoo-user

From: Volker Armin Hemmann <volker.armin.hemmann@××××××××××××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] printer uses UHCI instead of EHCI. Why?
Date: Sun, 17 Feb 2008 16:27:52
Message-Id: 200802171727.44530.volker.armin.hemmann@tu-clausthal.de
In Reply to: Re: [gentoo-user] printer uses UHCI instead of EHCI. Why? by Jens Krahe
1 On Sonntag, 17. Februar 2008, Jens Krahe wrote:
2 > Am Sonntag, 17. Februar 2008 schrieb Volker Armin Hemmann:
3 > > On Sonntag, 17. Februar 2008, Jens Krahe wrote:
4 > > > Am Samstag, 16. Februar 2008 schrieb Andrew Gaydenko:
5 > > > > Ehci module is loaded, all MB USB ports are USB 2 ports, printer is
6 > > > > "USB 2 (Full Speed)" printer.
7 > > >
8 > > > And there is nothing wrong. EHCI handles only the High Speed mode of
9 > > > USB2! Low and Full Speed are still handled by UHCI/OHCI.
10 > >
11 > > you are wrong, kernel with ehci only:
12 > >
13 > > [ 31.592651] usb 1-3.1: new low speed USB device using ehci_hcd and
14 > > address 4
15 >
16 > And the device works?
17 >
18 31.984912] usb 1-3: new high speed USB device using ehci_hcd and address 2
19 [ 32.109390] usb 1-3: configuration #1 chosen from 1 choice
20 [ 32.109727] hub 1-3:1.0: USB hub found
21 [ 32.110081] hub 1-3:1.0: 4 ports detected
22 [ 32.437368] usb 1-5: new high speed USB device using ehci_hcd and address 3
23 [ 32.566492] usb 1-5: configuration #1 chosen from 1 choice
24 [ 32.753643] usb 1-3.1: new low speed USB device using ehci_hcd and address
25 4
26 [ 32.856094] usb 1-3.1: configuration #1 chosen from 1 choice
27 [ 32.867755] input: Logitech USB Receiver as /class/input/input3
28 [ 32.880583] input: USB HID v1.11 Mouse [Logitech USB Receiver] on
29 usb-0000:00:02.1-3.1
30 [ 32.886684] input: Logitech USB Receiver as /class/input/input4
31 [ 32.913844] input: USB HID v1.11 Device [Logitech USB Receiver] on
32 usb-0000:00:02.1-3.1
33
34 so it is the mouse/receiver of the mouse. And yes, it works perfectly fine.
35
36 I have ohci support compiled as module - but the module is never loaded.
37 --
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