Description of problem: Sane returns error for my scanner (HP 6200c) fails to work:\ [root@tbred ~]# scanimage -T scanimage: unable to determine option count (xsane returns the same error) Version-Release number of selected component (if applicable): Sane 1.0.18-17 How reproducible: Everytime Steps to Reproduce: 1. scanimage -T Actual results: scanimage: unable to determine option count (xsane returns the same error) Expected results: Successful scan/test Additional info: Harware: http://www.smolts.org/show?UUID=030...9b-90d625049181 It Currently works 100% in windows. It worked with Linux/sane in the past (6months or more.. don't use it that often so hard to say) Sane has no problem detecting the scanner. Other USB devices working fine. Outputs: [root@tbred ~]# sane-find-scanner ~ found USB scanner (vendor=0x03f0 [Hewlett-Packard], product=0x0201 [HP ScanJet 6200C]) at libusb:004:004 ~ [root@tbred ~]# scanimage -L device `hp:libusb:004:004' is a Hewlett-Packard ScanJet 62x0C flatbed scanner [root@tbred ~]# scanimage -T scanimage: unable to determine option count (xsane returns the same error) dmesg: usb 4-2: reset full speed USB device using uhci_hcd and address 4 usb 4-2: failed to restore interface 0 altsetting 0 (error=-110) usb 4-2: USB disconnect, address 4 usb 4-2: new full speed USB device using uhci_hcd and address 5 usb 4-2: configuration #1 chosen from 1 choice usb 4-2: reset full speed USB device using uhci_hcd and address 5 usb 4-2: failed to restore interface 0 altsetting 0 (error=-110) usb 4-2: USB disconnect, address 5 usb 4-2: new full speed USB device using uhci_hcd and address 6 usb 4-2: configuration #1 chosen from 1 choice (evertime scanimage is used it resets like this) Things I have tried that didnt change anything: Using differnt USB ports. Connecting to a differnt system (running Fedora 8 fresh install) Disabling USB Autosuspend I suspect Kernel USB or libusb handling problem... would be greatful for any help you guys might give me..
Hardware: http://www.smolts.org/show?UUID=0304a2df-377e-4656-839b-90d625049181
I found the problem, the usb_reset patch caused my scanner to stop functioning, I removed it and did a recompile and it works great... more info: http://forums.fedoraforum.org/showthread.php?p=921254
I had the same problem with my HP 6250C. My solution was to download the sane backend software for sourceforge and follow the configure, make and make install instructions. The usb_reset patch adds a usb_reset prior to the usb_release_interface and usb_close calls in sanei_usb.c. The problem with this, is that a usb_reset causes the device to re-enumerate and invalidates the device handle. It is most likely the re-enumeration that causes the biggest problem for the HP62x0 series of scanners which are based on early usb 1.0 specifications and don't seem to handle re-enumeration in any system very well. The patch, as written should be removed by Redhat and the problem referred to the maintainers of sane. My guess is that a usb_clear_halt would be more appropriate as well as some error detection/handling.
Hi, I had the same problem and have just worked around it. Here's the report w/patch I've just sent upstream: http://thread.gmane.org/gmane.comp.graphics.scanning.sane.devel/12601
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Do you see this issue with the current sane-backends-1.0.19?
Fedora 8 changed to end-of-life (EOL) status on 2009-01-07. Fedora 8 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.