On Thu, 1 Sep 2005, Andrew Morton wrote:
> Reuben Farrelly <[EMAIL PROTECTED]> wrote:
> > I'm also observing some USB messages logged:
> >
> > Sep 2 13:26:22 tornado kernel: usb 5-1: new full speed USB device using
> > uhci_hcd and address 13
> > Sep 2 13:26:22 tornado kernel: drivers/usb/class/usblp.c: usblp0: USB
> > Bidirectional printer dev 13 if 0 alt 0 proto 2 vid 0x03F0 pid 0x6204
> > Sep 2 13:26:23 tornado kernel: hub 5-0:1.0: port 1 disabled by hub (EMI?),
> > re-enabling...
This message means pretty much what it says: noise or something else
caused the connection to be disabled. In theory this could be caused by a
problem with the host controller, the cable, or the printer. Does this
happen consistently with 2.6.13-mm1? Did it happen with 2.6.12?
> > Sep 2 13:26:23 tornado kernel: usb 5-1: USB disconnect, address 13
> > Sep 2 13:26:23 tornado kernel: drivers/usb/class/usblp.c: usblp0: removed
> > Sep 2 13:26:23 tornado kernel: usb 5-1: new full speed USB device using
> > uhci_hcd and address 14
> > Sep 2 13:26:23 tornado kernel: usb 5-1: device descriptor read/64, error
> > -71
> > Sep 2 13:26:23 tornado kernel: usb 5-1: device descriptor read/64, error
> > -71
> > Sep 2 13:26:23 tornado kernel: usb 5-1: new full speed USB device using
> > uhci_hcd and address 15
> > Sep 2 13:26:23 tornado kernel: usb 5-1: device descriptor read/all, error
> > -71
> > Sep 2 13:26:23 tornado kernel: usb 5-1: new full speed USB device using
> > uhci_hcd and address 16
> > Sep 2 13:26:23 tornado kernel: usb 5-1: can't set config #1, error -71
> > Sep 2 13:26:23 tornado kernel: usb 5-1: new full speed USB device using
> > uhci_hcd and address 17
> > Sep 2 13:26:24 tornado kernel: usb 5-1: unable to read config index 0
> > descriptor/start
> > Sep 2 13:26:24 tornado kernel: usb 5-1: can't read configurations, error
> > -71
If it's not already in 2.6.13-mm1, this patch may help with the
reinitialization:
http://marc.theaimsgroup.com/?l=linux-usb-devel&m=112551468126219&w=2
Alan Stern
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