[sane-devel] sane-devel Digest, Vol 124, Issue 35

James Ring sjr at jdns.org
Sat Oct 31 23:33:30 UTC 2015


Hi Louis,

On Sat, Oct 31, 2015 at 5:00 AM,
<sane-devel-request at lists.alioth.debian.org> wrote:
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> Today's Topics:
>
>    1. Re: issues with sane-pixma and Canon MX7600 (Louis Lagendijk)
>    2. Re: Xsane can't find scanner - again,     but this one is USB
>       (Olaf Meeuwissen)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 30 Oct 2015 22:48:32 +0100
> From: Louis Lagendijk <louis at fazant.net>
> To: sane-devel at lists.alioth.debian.org
> Subject: Re: [sane-devel] issues with sane-pixma and Canon MX7600
> Message-ID: <1446241712.2904.2.camel at fazant.net>
> Content-Type: text/plain; charset="ISO-8859-15"
>
> On Thu, 2015-10-29 at 10:26 -0700, James Ring wrote:
>> One more thing,
>>
>> On Thu, Oct 29, 2015 at 10:13 AM, James Ring <sjr at jdns.org> wrote:
>> > Hi all,
>> >
>> > Up until recently, I've been able to scan fine with my Canon Pixma
>> > MX7600. Then I upgraded to Ubuntu Wily and I've started getting:
>> >
>> > $ scanimage
>> > scanimage: open of device pixma:MX7600_192.168.2.107 failed:
>> > Invalid argument
>> >
>> > The device pings and I can get to its HTTP port. Everything appears
>> > OK.
>> >
>> > If I run
>> >
>> > strace -f -s 256 -o /tmp/trace.txt scanimage
>> >
>> > the relevant output appears to be:
>> >
>> > socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP) = 204
>> > connect(204, {sa_family=AF_INET, sin_port=htons(8612),
>> > sin_addr=inet_addr("192.168.2.107")}, 16) = 0
>> > sendto(204, "BJNP\2\1\0\0\0\0\0\0\0\0\0\0", 16, 0, NULL, 0) = 16
>> > select(205, [204], NULL, NULL, {4, 0}) = 1 (in [204], left {3,
>> > 998257})
>> > recvfrom(204,
>> > "BJNP\202\1\0\0\0\0\0\0\0\0\0\20\0\1\10\0\6\4\0\0\205\316\356\343\3
>> > 00\250\2k",
>> > 2048, 0, NULL, N
>> > ULL) = 32
>> > close(204)
>> > write(2, "scanimage: open of device pixma:MX7600_192.168.2.107
>> > failed:
>> > Invalid argument\n", 78) = 78
>> >
>> > It appears to me that the scanner is responding but the driver
>> > doesn't
>> > like the response. I'm running sane 1.0.14-11 and sane-utils
>> > 1.0.25+git201505.
>>
>> I just verified that downgrading to libsane 1.0.24-4ubuntu1 from
>> 1.0.25+git201505 allows me to scan again, so I definitely there's
>> some
>> sort of sane-pixma regression in there.
> this looks similar to an issue that I fixed some time ago. Please see
> if you can find a package of the released 1.0.25. that should fix your
> issue

I can confirm that building from source resolves the issue, thank you.
I've raised

https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1512027

with Ubuntu to track the issue.

> Louis

Thanks,
James



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