I patched sane's USB support library a couple months ago to address this issue. Please upgrade to Rolf's PPA, or build sane-backends from source yourself.
sudo add-apt-repository ppa:rolfbensch/sane-git allan On Sat, Jan 31, 2015 at 1:17 PM, Todd Blumer <toddmblu...@gmail.com> wrote: > I've got a Fujitsu S1300 connected to a laptop running Ubuntu 14.04 64-bit > (have also tried in the past to resolve this same problem under Ubuntu 12.10 > 32-bit same computer). Every thing seems to be installed properly (drivers, > user permissions, etc.) per instructions found all over the internet. > Symptoms basically boil down to this: > > 1) sane-find-scanner works every time, always finds the scanner > > 2) scanimage -L works once after USB has been plugged in, then fails during > repeated attempts > > I've seen this behavior described all over the internet (including in the > sane-devel lists) for various devices using the sane back end, but have > failed to find a valid solution, or at least one that actually fixes the > problem for me. > > Suggestions I've tried: > 1) I don't have a USB hub to remove from the system. > 2) All USB ports on computer display same behavior, 2.0 and 3.0 > 3) I don't have the option in my BIOS to "Disable USB 3.0", my options look > like ([ ] marks current setting): > USB Configuration: > Legacy USB Support > [Enabled] > Disabled > Auto > XHCI Pre-boot Mode > [Smart Auto] > Enabled > 4) Setting GRUB_CMDLINE_LINUX="usbcore.autosuspend=-1" in /etc/default/grub > (and rebooting) had no effect > > Things I've learned: > 1) This scanner works properly on this computer when accessed via Windows 7 > running in Virtualbox (in Ubuntu 14.04). > 2) Running SANE_DEBUG_EPJITSU=20 scanimage -L: First time of course works. > Second time, when it fails to find the scanner, the diff in the output > between first and second attempt start to diverge at a line (from the > second's) that says: "[epjitsu] in: return error 'Error during device I/O'" > I've included that output below. > > Any suggestions? I've spent countless hours researching and trying things at > different times over the last couple of years. Its my last chain to that > other operating system, I'd really like to cut it. > > (first attempt after plugging in scanner USB) > ~$ SANE_DEBUG_EPJITSU=20 scanimage -L > [sanei_debug] Setting debug level of epjitsu to 20. > [epjitsu] sane_init: start > [epjitsu] sane_init: epjitsu backend 1.0.20, from sane-backends 1.0.23 > [epjitsu] sane_init: finish > [epjitsu] sane_get_devices: start > [epjitsu] sane_get_devices: reading config file epjitsu.conf > [epjitsu] sane_get_devices: firmware '/usr/share/sane/epjitsu/60f_0A00.nal' > [epjitsu] sane_get_devices: looking for 'usb 0x04c5 0x10c7' > [epjitsu] sane_get_devices: firmware '/usr/share/sane/epjitsu/300_0C00.nal' > [epjitsu] sane_get_devices: looking for 'usb 0x04c5 0x1156' > [epjitsu] sane_get_devices: firmware '/usr/share/sane/epjitsu/300M_0C00.nal' > [epjitsu] sane_get_devices: looking for 'usb 0x04c5 0x117f' > [epjitsu] sane_get_devices: firmware '/usr/share/sane/epjitsu/1300_0C26.nal' > [epjitsu] sane_get_devices: looking for 'usb 0x04c5 0x11ed' > [epjitsu] attach_one: start 'libusb:003:003' > [epjitsu] attach_one: init struct > [epjitsu] attach_one: connect fd > [epjitsu] connect_fd: start > [epjitsu] connect_fd: opening USB device > [epjitsu] connect_fd: finish > [epjitsu] load_fw: start > [epjitsu] get_stat: start > [epjitsu] do_cmd: start > [epjitsu] do_cmd: finish > [epjitsu] load_fw: read firmware file /usr/share/sane/epjitsu/1300_0C26.nal > ok > [epjitsu] do_cmd: start > [epjitsu] do_cmd: finish > [epjitsu] do_cmd: start > [epjitsu] do_cmd: finish > [epjitsu] do_cmd: start > [epjitsu] do_cmd: finish > [epjitsu] do_cmd: start > [epjitsu] do_cmd: finish > [epjitsu] do_cmd: start > [epjitsu] do_cmd: finish > [epjitsu] get_stat: start > [epjitsu] do_cmd: start > [epjitsu] do_cmd: finish > [epjitsu] get_ident: start > [epjitsu] do_cmd: start > [epjitsu] do_cmd: finish > [epjitsu] get_ident: finish > [epjitsu] attach_one: Found FUJITSU scanner ScanSnap S1300 at libusb:003:003 > [epjitsu] attach_one: Found S300/S1300 > [epjitsu] get_stat: start > [epjitsu] do_cmd: start > [epjitsu] do_cmd: finish > [epjitsu] attach_one: init options > [epjitsu] attach_one: init settings > [epjitsu] change_params: start > [epjitsu] change_params: finish > [epjitsu] disconnect_fd: start > [epjitsu] disconnecting usb device > [epjitsu] disconnect_fd: finish > [epjitsu] attach_one: finish > [epjitsu] sane_get_devices: found scanner libusb:003:003 > [epjitsu] sane_get_devices: found 1 scanner(s) > [epjitsu] sane_get_devices: finish > device `epjitsu:libusb:003:003' is a FUJITSU ScanSnap S1300 scanner > [epjitsu] sane_exit: start > [epjitsu] destroy: start > [epjitsu] teardown_buffers: start > [epjitsu] teardown_buffers: finish > [epjitsu] destroy: finish > [epjitsu] sane_exit: finish > ~$ > > (Second attempt after plugging scanner USB) > ~$ SANE_DEBUG_EPJITSU=20 scanimage -L > [sanei_debug] Setting debug level of epjitsu to 20. > [epjitsu] sane_init: start > [epjitsu] sane_init: epjitsu backend 1.0.20, from sane-backends 1.0.23 > [epjitsu] sane_init: finish > [epjitsu] sane_get_devices: start > [epjitsu] sane_get_devices: reading config file epjitsu.conf > [epjitsu] sane_get_devices: firmware '/usr/share/sane/epjitsu/60f_0A00.nal' > [epjitsu] sane_get_devices: looking for 'usb 0x04c5 0x10c7' > [epjitsu] sane_get_devices: firmware '/usr/share/sane/epjitsu/300_0C00.nal' > [epjitsu] sane_get_devices: looking for 'usb 0x04c5 0x1156' > [epjitsu] sane_get_devices: firmware '/usr/share/sane/epjitsu/300M_0C00.nal' > [epjitsu] sane_get_devices: looking for 'usb 0x04c5 0x117f' > [epjitsu] sane_get_devices: firmware '/usr/share/sane/epjitsu/1300_0C26.nal' > [epjitsu] sane_get_devices: looking for 'usb 0x04c5 0x11ed' > [epjitsu] attach_one: start 'libusb:003:003' > [epjitsu] attach_one: init struct > [epjitsu] attach_one: connect fd > [epjitsu] connect_fd: start > [epjitsu] connect_fd: opening USB device > [epjitsu] connect_fd: finish > [epjitsu] load_fw: start > [epjitsu] get_stat: start > [epjitsu] do_cmd: start > [epjitsu] in: return error 'Error during device I/O' > [epjitsu] get_stat: error checking status > [epjitsu] load_fw: read firmware file /usr/share/sane/epjitsu/1300_0C26.nal > ok > [epjitsu] do_cmd: start > [epjitsu] do_cmd: finish > [epjitsu] load_fw: bad stat on cmd 1 > [epjitsu] destroy: start > [epjitsu] teardown_buffers: start > [epjitsu] teardown_buffers: finish > [epjitsu] destroy: finish > [epjitsu] attach_one: firmware load failed > [epjitsu] sane_get_devices: found 0 scanner(s) > [epjitsu] sane_get_devices: finish > > No scanners were identified. If you were expecting something different, > check that the scanner is plugged in, turned on and detected by the > sane-find-scanner tool (if appropriate). Please read the documentation > which came with this software (README, FAQ, manpages). > [epjitsu] sane_exit: start > [epjitsu] sane_exit: finish > ~$ > > > -- > sane-devel mailing list: sane-devel@lists.alioth.debian.org > http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel > Unsubscribe: Send mail with subject "unsubscribe your_password" > to sane-devel-requ...@lists.alioth.debian.org -- "well, I stand up next to a mountain- and I chop it down with the edge of my hand" -- sane-devel mailing list: sane-devel@lists.alioth.debian.org http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel Unsubscribe: Send mail with subject "unsubscribe your_password" to sane-devel-requ...@lists.alioth.debian.org
