[sane-devel] sane to work with USB 3.0

[Heinz Wiesinger]

On Tuesday 03 March 2015 10:32:04 m. allan noah wrote:
> On Tue, Mar 3, 2015 at 10:27 AM, Heinz Wiesinger
> 
> <HMWiesinger at liwjatan.at> wrote:
> > On Tuesday 16 December 2014 17:23:43 Heinz Wiesinger wrote:
> >> On Tuesday 16 December 2014 10:33:14 m. allan noah wrote:
> >> > I have just committed an attempted workaround for this Linux kernel
> >> > bug. I have tested with Fujitsu and Canon scanners, and it does fix
> >> > the problem. I have not tested with other scanners. We need as much
> >> > testing on this as we can get. Please build from a current git
> >> > checkout (or tomorrow's git snapshot), and let us know what you find.
> >> 
> >> I fetched the git code and tested this with my Canon Lide 210. The
> >> behavior
> >> definitely changed, although it's not really working yet. Using xsane,
> >> when
> >> acquiring a preview I can hear the scanner move now all the time, before
> >> it
> >> would abort right at the beginning with an invalid command. However, the
> >> preview image is not updated and the scanner tries to go beyond it's
> >> physical bounds (ie, never stops moving). Scanning itself always aborts
> >> with "Failed to start scanner: Invalid argument".
> >> 
> >> I tried to make usb captures with wireshark, they are available here:
> >> 
> >> http://www.liwjatan.at/files/logs/preview.pcapng.gz
> >> http://www.liwjatan.at/files/logs/scan.pcapng.gz
> >> 
> >> The first is plug in scanner, start xsane, try to acquire preview and
> >> then
> >> unplug when it doesn't stop moving.
> >> The second is plug in scanner, start xsane, try to scan (2x)
> >> 
> >> I'm running kernel 3.18.0 as well, seeing as that included some USB3
> >> related fixes.
> > 
> > Retested with kernel 4.0.0-rc1 and the USB3 related patches that came out
> > of a recent discussion on linux-usb
> > (http://www.spinics.net/lists/linux-usb/msg120507.html). No dice, still
> > not working :(
> > 
> > Mike, since your initial report was against the same scanner I have, did
> > you happen to have any success yet?
> > 
>
> Stef actually made some commits for the LiDE 210 last night- are you
> running those?

I did not. I recompiled, but they make no difference here.

Grs,
Heinz
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