[sane-devel] problems Plustek backend with Canon Lide-30

[Gerhard Jaeger]

Hi,

I'll check that here - for your second test, you might switch of cacheCalData.
Another thing are these USB errors, is there any chance to go back to
2.4 kernel?

Ciao,
  Gerhard



On Thursday 12 August 2004 16:19, Peter Zijlstra wrote:
> Hi,
>
> The mailman just brought me my latest toy today, a canon lide-30.
> So I plugged it into my machine which had sane-backends-1.0.14 on it,
> started gimp and aquired my first preview. So far so good.
>
> However when I pressed the scan button to do a full scan I get an
> awefull noise from the apparatus and an I/O-error on my screen.
>
> dmesg shows me this:
>
> usb 1-1: new full speed USB device using address 6
> usb 1-1: usbfs: USBDEVFS_BULK failed ep 0x82 len 4096 ret -110
> usb 1-1: usbfs: USBDEVFS_BULK failed ep 0x3 len 4 ret -110
> usb 1-1: usbfs: USBDEVFS_BULK failed ep 0x3 len 5 ret -110
> usb 1-1: usbfs: USBDEVFS_BULK failed ep 0x3 len 4 ret -110
> usb 1-1: usbfs: USBDEVFS_BULK failed ep 0x3 len 5 ret -110
> usb 1-1: usbfs: USBDEVFS_BULK failed ep 0x3 len 4 ret -110
> usb 1-1: usbfs: USBDEVFS_BULK failed ep 0x3 len 4 ret -110
> hub 1-0:1.0: port 1 disabled by hub (EMI?), re-enabling...<6>usb 1-1:
> USB disconnect, address 6
> usb 1-1: new full speed USB device using address 7
> usb 1-1: device not accepting address 7, error -110
> hub 1-0:1.0: Cannot enable port 1.  Maybe the USB cable is bad?
> hub 1-0:1.0: Cannot enable port 1.  Maybe the USB cable is bad?
> hub 1-0:1.0: Cannot enable port 1.  Maybe the USB cable is bad?
>
>
> when I unplug and replug the device its ok again.
>
> So I tried sane-backends cvs (20040812). Same problem but even with
> preview scanning.
>
> option disableSpeedup 1
>
> in /etc/sane.d/plustek.conf made the preview scanning work again, but
> full scanning still gives me that noise and an I/O-error.
>
>
> I've ran xsane with SANE_DEBUG_PLUSTEK=255 and saved the output of both
> the 1.0.14 and cvs version. (attached: plustek.log.gz and
> plustek2.log.gz resp.)
>
> I've also attached a full dmesg with a vanilla kernel.
>
> libusb-0.1.8
> hotplug-20040401
> gcc-3.3.4
>
> Can anybody help me? The website says this scanner is fully functional
> with sane, can we work together to make that true.
>
> Kind regards,
>
> Peter Zijlstra