linux-kernel - 2.6.20-rc4: usb somehow broken

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Message-Id: <200701111820.46121.prakash@punnoor.de>
Date:	Thu, 11 Jan 2007 18:20:45 +0100
From:	Prakash Punnoor <prakash@...noor.de>
To:	linux-kernel@...r.kernel.org
Cc:	linux-usb-devel@...ts.sourceforge.net
Subject: 2.6.20-rc4: usb somehow broken

Hi,

I can't scan anymore. :-( I don't know which rc kernel introduced it, but this 
are the messages I get (w/o touching the device/usb cable except pluggin it 
in for the first time):

usb 1-1.2: new full speed USB device using ehci_hcd and address 4
ehci_hcd 0000:00:0b.1: qh ffff81007bc6c280 (#00) state 4
usb 1-1.2: configuration #1 chosen from 1 choice
usb 1-1.2: USB disconnect, address 4
usb 1-1.2: new full speed USB device using ehci_hcd and address 5
usb 1-1.2: configuration #1 chosen from 1 choice
usb 1-1.2: USB disconnect, address 5
usb 1-1.2: new full speed USB device using ehci_hcd and address 6
usb 1-1.2: configuration #1 chosen from 1 choice
usb 1-1.2: USB disconnect, address 6
usb 1-1.2: new full speed USB device using ehci_hcd and address 7
usb 1-1.2: configuration #1 chosen from 1 choice
usb 1-1.2: USB disconnect, address 7
usb 1-1.2: new full speed USB device using ehci_hcd and address 8
usb 1-1.2: configuration #1 chosen from 1 choice


Shouldn't the ohci module handle the scanner? The scanner is connected through 
a hub.

I don't remember how 2.6.19 handled it, or whether I used some new exotic 
setting which causes the breakage.

Well, I'll test this week-end and upload more infos then. If you already have 
some ideas in the meantime, let me know.

BTW, a usb2.0 card reader (connected through the same hub) works w/o 
problems...
-- 
(°=                 =°)
//\ Prakash Punnoor /\\
V_/                 \_V

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