[sane-devel] Canon PIXMA MX925 - scan process now broken (does not end)
Rolf Bensch
rolf at bensch-online.de
Thu Aug 31 12:48:32 UTC 2017
Hi Stephen,
Sounds great ... and I found a bug in the mp150 code. Your scanner
hasn't received the XML end of scan dialog. So you couldn't be able to
start a new scan...
Please test the version +git20170823 from my test ppa. This is the most
recent SANE version from git *with* the bug fix.
Many thanks for your help.
Cheers,
Rolf
Am 30.08.2017 um 17:28 schrieb Stephen Weston:
> Rolf,
>
> I have tried it out with the '$SANE_USB_WORKAROUND=1 scanimage -T'
> command on a none-working system and it has not made any difference. The
> scanner continues to look busy after the initial scan and a second scan
> fails as before.
>
> I had much more success with the git+20170627 version as that worked
> okay as you suggested it might.
>
> I am keen to help, test and do what I can to help get the scanner
> working correctly, but just to let you know I will be unable to do much
> until the 15th September. I am moving home and my ISP won't be
> connecting my new place to the internet until then (and thats assuming
> no hiccups). I will have mobile internet, so I can receive and send
> emails at least, but nothing data heavy.
>
> Kind regards,
> Stephen
>
> On 29 August 2017 at 11:52, Rolf Bensch <rolf at bensch-online.de
> <mailto:rolf at bensch-online.de>> wrote:
>
> Hi Stephen,
>
> Please test an older version from my test ppa: git20170627. I hope that
> this version is running.
>
> On a not working system, please test this:
> $ SANE_USB_WORKAROUND=1 scanimage -T
>
> I still cannot reproduce this problem on my system, even in a VirtualBox
> VM with installed Ubuntu 17.04.
>
> Many thanks for your help.
>
> Cheers,
> Rolf
>
>
> Am 26.08.2017 um 14:57 schrieb Stephen Weston:
> > Hi,
> >
> > Had a go with the Ubuntu test ppa after a fresh install of Ubuntu
> 17.04
> > in VirtualBox. The terminal output is as below. As you can see the
> > scanner was successfully detected and the initial scan worked, but the
> > scanner was left in a busy 'scanning...' state and a second attempt at
> > scanning did not work.
> >
> > stephen at stephen-VirtualBox:~$ scanimage --version
> > scanimage (sane-backends) 1.0.27git; backend version 1.0.27
> >
> >
> >
> > stephen at stephen-VirtualBox:~$ scanimage -L
> > device `pixma:MX530_192.168.1.68' is a CANON Canon PIXMA MX530
> > Series multi-function peripheral
> >
> >
> >
> > stephen at stephen-VirtualBox:~$ scanimage -T
> > scanimage: scanning image of size 638x877 pixels at 24 bits/pixel
> > scanimage: acquiring RGB frame, 8 bits/sample
> > scanimage: reading one scanline, 1914 bytes... PASS
> > scanimage: reading one byte... PASS
> > scanimage: stepped read, 2 bytes... PASS
> > scanimage: stepped read, 4 bytes... PASS
> > scanimage: stepped read, 8 bytes... PASS
> > scanimage: stepped read, 16 bytes... PASS
> > scanimage: stepped read, 32 bytes... PASS
> > scanimage: stepped read, 64 bytes... PASS
> > scanimage: stepped read, 128 bytes... PASS
> > scanimage: stepped read, 256 bytes... PASS
> > scanimage: stepped read, 512 bytes... PASS
> > scanimage: stepped read, 1024 bytes... PASS
> > scanimage: stepped read, 2048 bytes... PASS
> > scanimage: stepped read, 2047 bytes... PASS
> > scanimage: stepped read, 1023 bytes... PASS
> > scanimage: stepped read, 511 bytes... PASS
> > scanimage: stepped read, 255 bytes... PASS
> > scanimage: stepped read, 127 bytes... PASS
> > scanimage: stepped read, 63 bytes... PASS
> > scanimage: stepped read, 31 bytes... PASS
> > scanimage: stepped read, 15 bytes... PASS
> > scanimage: stepped read, 7 bytes... PASS
> > scanimage: stepped read, 3 bytes... PASS
> >
> >
> >
> > stephen at stephen-VirtualBox:~$ scanimage -T
> > scanimage: scanning image of size 638x877 pixels at 24 bits/pixel
> > scanimage: acquiring RGB frame, 8 bits/sample
> > scanimage: reading one scanline, 1914 bytes... FAIL Error:
> Error
> > during device I/O
> >
> >
> >
> > Thanks. I appreciate your work in getting the scanner sorted.
> > Kind regards,
> > Stephen
> >
> > On 26 August 2017 at 10:50, Rolf Bensch <rolf at bensch-online.de
> <mailto:rolf at bensch-online.de>
> > <mailto:rolf at bensch-online.de <mailto:rolf at bensch-online.de>>> wrote:
> >
> > Hi,
> >
> > I just uploaded a version without the sanei threading changes to my
> > Ubuntu test ppa
> > (https://launchpad.net/~rolfbensch/+archive/ubuntu/sane-test
> <https://launchpad.net/~rolfbensch/+archive/ubuntu/sane-test>
> > <https://launchpad.net/~rolfbensch/+archive/ubuntu/sane-test
> <https://launchpad.net/~rolfbensch/+archive/ubuntu/sane-test>>). Please
> > test this version and report your results.
> >
> > Many thanks for your help.
> >
> > Cheers,
> > Rolf
> >
> > Am 12.08.2017 um 05:32 schrieb Olaf Meeuwissen:
> > > Hi Kay,
> > >
> > > Kay Drangmeister writes:
> > >
> > >> Hi,
> > >>
> > >> I am using the sane libs (Ubuntu 16.04) with a Canon Pixma MX925
> > >> successfully for years now. Since some time (days, maybe weeks), the
> > >> scan process does not terminate well.
> > >
> > > There were two recent threads about similar issues that may be of
> > > interest
> > >
> > >
> > https://lists.alioth.debian.org/pipermail/sane-devel/2017-July/035481.html
> <https://lists.alioth.debian.org/pipermail/sane-devel/2017-July/035481.html>
> >
> <https://lists.alioth.debian.org/pipermail/sane-devel/2017-July/035481.html
> <https://lists.alioth.debian.org/pipermail/sane-devel/2017-July/035481.html>>
> > >
> >
> https://lists.alioth.debian.org/pipermail/sane-devel/2017-July/035520.html
> <https://lists.alioth.debian.org/pipermail/sane-devel/2017-July/035520.html>
> > <https://lists.alioth.debian.org/pipermail/sane-devel/2017-July/035520.html
> <https://lists.alioth.debian.org/pipermail/sane-devel/2017-July/035520.html>>
> > >
> > > Note, both threads continue on
> > >
> > >
> > https://lists.alioth.debian.org/pipermail/sane-devel/2017-August/thread.html
> <https://lists.alioth.debian.org/pipermail/sane-devel/2017-August/thread.html>
> > <https://lists.alioth.debian.org/pipermail/sane-devel/2017-August/thread.html
> <https://lists.alioth.debian.org/pipermail/sane-devel/2017-August/thread.html>>
> > >
> > > You could try reverting to 1.0.25+git20150528
> > >
> > > @Rolf> I hope these recent problem don't have anything to do with my
> > > sanei threading changes.
> > >
> > >> [...]
> > >
> > > Hope this helps,
> > > --
> > > Olaf Meeuwissen, LPIC-2 FSF Associate Member since 2004-01-27
> > > GnuPG key: F84A2DD9/B3C0 2F47 EA19 64F4 9F13 F43E B8A4 A88A F84A 2DD9
> > > Support Free Software https://my.fsf.org/donate
> > > Join the Free Software Foundation https://my.fsf.org/join
> > >
> >
> > --
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