plustek: CanoScan N1220U with Testversion 0.45-TEST5 gives I/O error
Subject:
Re: CanoScan N1220U with Testversion 0.45-TEST5 gives I/O error
From:
Marc Lavergne ####@####.####
Date:
3 Jan 2003 21:31:55 -0000
Message-Id: <20030103212412.19869.qmail@web10707.mail.yahoo.com>
Had some time to debug the Canon N1220U a little, here
are some additional details:
The high-level failure occurs in backend/plustek.c in
the sane_start routine and reports an errno of 110.
I dug a little and the problem is bubbles up from
backend/plustek-usb.c in the usbDev_open routine.
However, it appears to orignate from the
usbio_DetectLM983x routine in backend/plustek-usbio.c.
Here's a trace:
[plustek] usbDev_open(/dev/usbscanner,)
[plustek] Vendor ID=0x04A9, Product ID=0x2207
[plustek] usbio_DetectLM983x
[plustek] UIO error
[plustek] This is not a LM9831 or LM9832 chip based
scanner.
[plustek] sane_start: open failed: 110
I'll post back later after I add some additional debug
hooks.
--- Marc Lavergne ####@####.#### wrote:
> This email is just FYI to let you know the status of
> the Canon N1220U scanner. It is still not functional
> using the 0.45-TEST5 release. The following error
> occurs in xsane during preview and/or acquire:
>
> Error during read: Error during device I/O
>
> The following occurs in scanimage:
>
> /usr/local/bin/scanimage -d
> plustek:/dev/usbscanner
> scanimage: sane_start: Error during device I/O
>
> Here is the output from check Merlin:
>
> ./checkm
> Checking /dev/usbscanner for MERLIN chipset...
> DetectLM983x: found LM9832/3
>
> You probably already have this but here is the lsusb
> output:
>
> Bus 001 Device 024: ID 04a9:2207 Canon Inc.
> CanoScan
> 1220U
>
> The backend used was the stable Sane 1.0.9 release
> with a 2.4.20 kernel. I'll keep an eye out for new
> releases and keep up the good work.
>
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