[sane-devel] issues with sane-pixma and Canon MX7600

[Louis Lagendijk]

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

Louis