Description of problem: The first time I use scanimage after my scanner has been idle for some time, I get the following error from scanimage: scanimage: sane_start: Error during device I/O If I run the same command again, the scanner works perfectly. I am using the following scan command: scanimage --mode Gray --resolution 150 Version-Release number of selected component (if applicable): sane-backends-1.0.19-12.fc10@i386 sane-backends-libs-1.0.19-12.fc10@i386 How reproducible: Every time the scanner has been idle for a few minutes. Steps to Reproduce: 1. Wait until the scanner has been idle. 2. Run scanimage. Actual results: scanimage: sane_start: Error during device I/O Expected results: It should wait for the scanner to warm up and then scan. Additional info: Hardware is Epson Perfection 2400 photo (AKA GT-9300 flatbed) Output from /var/log/messages when scanner is plugged in: # tail -f /var/log/messages | grep usb Apr 4 20:22:04 apollo kernel: usb 1-2: new full speed USB device using uhci_hcd and address 39 Apr 4 20:22:04 apollo kernel: usb 1-2: configuration #1 chosen from 1 choice Apr 4 20:22:04 apollo kernel: usb 1-2: New USB device found, idVendor=04b8, idProduct=011b Apr 4 20:22:04 apollo kernel: usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Apr 4 20:22:04 apollo kernel: usb 1-2: Product: EPSON Scanner Apr 4 20:22:04 apollo kernel: usb 1-2: Manufacturer: EPSON # scanimage -L device `epson2:libusb:001:039' is a Epson GT-9300 flatbed scanner # cat /etc/sane.d/dll.conf | grep -v "^#" epson2 # cat /etc/sane.d/epson2.conf | grep -Ev "^(#.*|)$" scsi EPSON usb net autodiscovery
The problem seems to be specific to the epson and epson2 backends. I downloaded the epkowa backend and it does not have the same issue.
I've packaged the new upstream version sane-backends-1.0.20 and submitted it for updates-testing. Please test and report back whether this improves your issue, thanks.
Still get the same error with 1.0.20, using the epson2 backend, after the scanner has been idle for some time: # scanimage --resolution 300 --mode Gray --depth 8 > foo.pnm scanimage: sane_start: Error during device I/O
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