Angel Guzman Maeso, as per https://wiki.ubuntu.com/Releases your release is EOL.
If this is reproducible with a supported release, it will help immensely if you filed a new report with it by running the following from a terminal: ubuntu-bug sane-backends Also, please feel free to subscribe me to it. For more on why this is helpful, please see https://wiki.ubuntu.com/ReportingBugs. ** Changed in: sane-backends (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to sane-backends in Ubuntu. https://bugs.launchpad.net/bugs/1097827 Title: Scan hangs trying scan a image with syslog errors Status in sane-backends package in Ubuntu: Invalid Bug description: I have a multifunction printer with scan (Canon MG5250 Model). In raring (Ubuntu 13.04) with new kernel I have a regression and I cannot scan anymore. In syslog appears several errors and warnings when I try to scan with "simplescan" program in Ubuntu: Jan 9 17:08:22 sobremesa kernel: [ 1997.316018] usb 1-6: new high-speed USB device number 3 using ehci_hcd Jan 9 17:08:22 sobremesa kernel: [ 1997.450647] usb 1-6: New USB device found, idVendor=04a9, idProduct=1749 Jan 9 17:08:22 sobremesa kernel: [ 1997.450651] usb 1-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Jan 9 17:08:22 sobremesa kernel: [ 1997.450655] usb 1-6: Product: MG5200 series Jan 9 17:08:22 sobremesa kernel: [ 1997.450658] usb 1-6: Manufacturer: Canon Jan 9 17:08:22 sobremesa kernel: [ 1997.450661] usb 1-6: SerialNumber: 1925C6 Jan 9 17:08:22 sobremesa udev-configure-printer: add /devices/pci0000:00/0000:00:1a.7/usb1/1-6/1-6:1.1 Jan 9 17:08:22 sobremesa udev-configure-printer: device devpath is /devices/pci0000:00/0000:00:1a.7/usb1/1-6 Jan 9 17:08:22 sobremesa udev-configure-printer: Device vendor/product is 04A9:1749 Jan 9 17:08:22 sobremesa kernel: [ 1997.551195] usbcore: registered new interface driver uas Jan 9 17:08:22 sobremesa udev-configure-printer: MFG:Canon MDL:MG5200 series SERN:- serial:1925C6 Jan 9 17:08:22 sobremesa kernel: [ 1997.569648] Initializing USB Mass Storage driver... Jan 9 17:08:22 sobremesa kernel: [ 1997.570059] scsi6 : usb-storage 1-6:1.2 Jan 9 17:08:22 sobremesa kernel: [ 1997.570326] usbcore: registered new interface driver usb-storage Jan 9 17:08:22 sobremesa kernel: [ 1997.570329] USB Mass Storage support registered. Jan 9 17:08:22 sobremesa kernel: [ 1997.586613] usblp 1-6:1.1: usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04A9 pid 0x1749 Jan 9 17:08:22 sobremesa kernel: [ 1997.586648] usbcore: registered new interface driver usblp Jan 9 17:08:23 sobremesa kernel: [ 1998.581803] scsi 6:0:0:0: Direct-Access Canon MG5200 series 0105 PQ: 0 ANSI: 2 Jan 9 17:08:23 sobremesa kernel: [ 1998.582670] sd 6:0:0:0: Attached scsi generic sg1 type 0 Jan 9 17:08:23 sobremesa kernel: [ 1998.589533] sd 6:0:0:0: [sdb] Attached SCSI removable disk Jan 9 17:08:23 sobremesa kernel: [ 1998.642918] usblp0: removed Jan 9 17:08:23 sobremesa kernel: [ 1998.649325] usblp 1-6:1.1: usblp0: USB Bidirectional printer dev 3 if 1 alt 0 proto 2 vid 0x04A9 pid 0x1749 Jan 9 17:08:23 sobremesa hp[4911]: io/hpmud/pp.c 627: unable to read device-id ret=-1 Jan 9 17:08:23 sobremesa python: io/hpmud/pp.c 627: unable to read device-id ret=-1 Jan 9 17:08:25 sobremesa udev-configure-printer: URI contains USB serial number Jan 9 17:08:25 sobremesa udev-configure-printer: URI match: usb://Canon/MG5200%20series?serial=1925C6&interface=1 Jan 9 17:08:25 sobremesa udev-configure-printer: URI of detected printer: usb://Canon/MG5200%20series?serial=1925C6&interface=1, normalized: canon mg5200 series serial 1925c6 interface 1 Jan 9 17:08:25 sobremesa udev-configure-printer: URI of print queue: usb://Canon/MG5200%20series?serial=1925C6&interface=1, normalized: canon mg5200 series serial 1925c6 interface 1 Jan 9 17:08:25 sobremesa udev-configure-printer: Queue ipp://localhost:631/printers/Canon-MG5200-series has matching device URI Jan 9 17:08:25 sobremesa udev-configure-printer: Re-enabled printer ipp://localhost:631/printers/Canon-MG5200-series Jan 9 17:08:25 sobremesa udev-configure-printer: URI of print queue: usb://Canon/MP140%20series?serial=80F92B&interface=1, normalized: canon mp140 series serial 80f92b interface 1 Jan 9 17:08:25 sobremesa udev-configure-printer: URI of print queue: usb://Canon/MP140%20series?serial=80F92B&interface=1, normalized: canon mp140 series serial 80f92b interface 1 Jan 9 17:08:25 sobremesa udev-configure-printer: URI of print queue: cnijusb:/dev/usb/lp0, normalized: cnijusb dev usb lp0 Jan 9 17:08:33 sobremesa kernel: [ 2008.312666] usb 1-6: usbfs: interface 1 claimed by usblp while 'simple-scan' sets config #1 Jan 9 17:09:10 sobremesa kernel: [ 2045.999645] usb 1-6: usbfs: interface 1 claimed by usblp while 'simple-scan' sets config #1 Jan 9 17:09:12 sobremesa kernel: [ 2047.692341] usb 1-6: usbfs: interface 1 claimed by usblp while 'simple-scan' sets config #1 Jan 9 17:09:47 sobremesa kernel: [ 2083.175003] usb 1-6: usbfs: interface 1 claimed by usblp while 'simple-scan' sets config #1 Jan 9 17:09:49 sobremesa kernel: [ 2084.904123] usb 1-6: usbfs: interface 1 claimed by usblp while 'simple-scan' sets config #1 ProblemType: Bug DistroRelease: Ubuntu 13.04 Package: libsane 1.0.23-0ubuntu1 ProcVersionSignature: Ubuntu 3.7.0-7.15-generic 3.7.0 Uname: Linux 3.7.0-7-generic i686 NonfreeKernelModules: nvidia ApportVersion: 2.8-0ubuntu1 Architecture: i386 Date: Wed Jan 9 17:17:05 2013 InstallationDate: Installed on 2012-05-09 (245 days ago) InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423) MarkForUpload: True ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=es_ES.UTF-8 SHELL=/bin/bash SourcePackage: sane-backends UpgradeStatus: Upgraded to raring on 2012-12-07 (33 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1097827/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

