Le mar 27/07/2004 � 17:32, Alan Stern a �crit :
> On Tue, 27 Jul 2004, Jean-Yves LENHOF wrote:
> 
> > > What happens if you attach your camera to a USB 2.0 port but you don't 
> > > have the ehci_hcd driver loaded?
> > > 
> > > Alan Stern
> > 
> > It hangs as well...
> > But I've noticed on a console that there are some messages and they
> > are'nt in files I sent you... (Hand written because of the hang)
> > 
> > usb 2-1: new full speed USB device using adress 2
> > usb 2-1: Product: DiMage F200
> > usb 2-1: Manufacturer: MINOLTA
> > usb 2-1: SerialNumber: 000034317678
> > Initializing USB Mass Storage driver...
> > scsi1: SCSI emulation for USB Mass Storage devices
> >  Vendor : MINOLTA Model:DiMage F200 Rev:1.00
> >  Type: Direct-Access ANSI SCSI revision: 02
> >  usbcore: registered new driver usb-storage
> >  USB Mass Storage support registered
> > 
> > --> Hang there if I've removed the ehci_hcd driver, if not continue a
> > little
> > 
> > SCSI device sda: 499712 512-byte hdwr sectors (256MB)
> > sda:assuming Write Enabled
> > sda:assuming drive cache write through
> >  /dev/scsi/host1/bus0/target0/lun0:<7>usb-storage:queuecommand called
> >  p1
> >  Attached scsi removable disk sda at scsi 1, channel 0, id 0, lun 0
> > 
> > --> Hang
> > 
> > I hope this could help you...
> 
> It's strange that your system hangs in different places depending on which 
> controller you're using.
> 
> You can get more detailed information by turning on the usb-storage 
> debugging option in your kernel configuration.  It will show more 
> precisely at what spot the hang occurs.  I don't know if it will provide 
> any insight into the _reason_ for the hang...
> 
> Alan Stern

The file logs I sent to you in my first mail were with these options
already turned on :

[EMAIL PROTECTED]:~$ grep -i debug /boot/config-2.6.8-rc2-20080723 |grep
-i usb
CONFIG_USB_DEBUG=y
CONFIG_USB_STORAGE_DEBUG=y
[EMAIL PROTECTED]:~$

Regards,




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