Re: 2.6.20-rc4: usb somehow broken

[Oliver Neukum <oliver@neukum.org>]

Am Sonntag, 14. Januar 2007 10:08 schrieb Prakash Punnoor:
> Am Donnerstag 11 Januar 2007 18:28 schrieb Oliver Neukum:
> > Am Donnerstag, 11. Januar 2007 18:20 schrieb Prakash Punnoor:
> > > 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

[..]
> Hi, I did more tests and I was wrong about "broken". It seems more a time-out 
> problem, ie if I try to use sane again in short intervalls, I will get my 
> device working. The cause seems CONFIG_USB_SUSPEND=y. With 2.6.20-rc5 the

Have you confirmed that by using a kernel without  CONFIG_USB_SUSPEND ?

	Regards
		Oliver