[sane-devel] Some weirdness with a Canon LiDE 220

m. allan noah kitno455 at gmail.com
Thu Dec 17 03:18:16 UTC 2015

You found the patch. If removing that fixes the issue, then our
workaround is causing problems with current linux kernels. I suppose
we will have to make the workaround controlled by an environment
variable in that case.


On Wed, Dec 16, 2015 at 6:08 PM, Scott Alfter <scott at alfter.us> wrote:
> On 12/16/2015 12:52 PM, m. allan noah wrote:
>> if you are able to build sane-backends from source, we could try
>> disabling a workaround I added for Linux USB3 problems. That might
>> help.
> I could give that a shot while I'm waiting for the USB 2.0 controller to
> arrive.  Gentoo allows user-supplied patches to be applied to the source
> tree, so a patch that reverts this change would do the job.
> I'm going through the git log to see if I can find it...would it be
> commit 014b45d920f1?
> sanei_usb: Linux USB3/xhci workarounds
> I'll try reversing this patch and see if it helps.
> (If it makes a difference, I'm running Gentoo's latest stable kernel,
> which is based on 4.1.12.  Kernel versions up to 4.3.3 are available
> under gentoo-sources.)
> --
> Scott Alfter
> scott at alfter.us

"well, I stand up next to a mountain- and I chop it down with the edge
of my hand"

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