Red Hat Bugzilla – Bug 124180
xsane identifies but fails to work with HP scanjet 6200C USB flatbed scanner
Last modified: 2007-11-30 17:10:43 EST
Description of problem: scanimage, both command line and x clients, fail to communicate with the scanner after having correctly identified it. This is probably a bug in the hp libusb sane backend. The scanner is a Hewlett Packard ScanJet 6200C. It worked in Fedora Core 1 with no difficulties on the same hardware. This bug appeared immediately folowing upgrade to FC2. I have reports that the same scanner will work when attached with a SCSI cable. Since I don't have a SCSI controller on my machine, however, I can't test this. Version-Release number of selected component (if applicable): xsane 0.92-10, kernel 2.6.5-1.358, libusb 0.1.8-2.1 How reproducible: Always, every time. Steps to Reproduce: 1."scanimage -L" identifies scanner correctly "device `hp:libusb:001:002' is a Hewlett-Packard ScanJet 62x0C flatbed scanner" 2."scanimage" fails "scanimage: unable to determine option count" Actual results: scanimage fails, after having correctly identified the scanner Expected results: scanimage should have directed .pnm data to STDOUT Additional info: Typical session follows - [inti@atacama] scanimage -L device `hp:libusb:001:002' is a Hewlett-Packard ScanJet 62x0C flatbed scanner [inti@atacama] scanimage scanimage: unable to determine option count
Does switching the scanner off and then on help?
No, it's not that easy, unfortunately. The problem persists. Unplugging it and plugging it back in produces the following error. [inti@atacama] tail /var/log/messages May 24 09:55:11 localhost kernel: usb 1-1: new full speed USB device using address 3 May 24 09:55:20 localhost kernel: usb 1-1: control timeout on ep0out By the way, this same bug seems to have been reported in th fedora forum, though there is no fix there, or even a real diagnosis. http://www.fedoraforum.org/forum/showthread.php?s=&threadid=2270 Also, I found a report of something similar in the fedora test list archives. Again, no solution. http://www.redhat.com/archives/fedora-test-list/2004-March/msg00949.html Thanks for responding so quickly! Matt
Same problem here. XSane responds _very_ slow and outputs a 'Failed to start scanner. End of file reached' message after 5-10 minutes.
Same problem here. The scanner is a Hewlett Packard ScanJet 6300C. Xsane fail to communicate with the scanner after having correctly identified it. Xsane responds Error during read: Error during device I/O.
The same thing with a ScanJet 5200C (worked fine on FC1). I get a "Error during read: Error during device I/O." and the following shows up in /var/log/messages: Jun 2 18:22:42 phaal kernel: usbfs: USBDEVFS_BULK failed dev 4 ep 0x81 len 4096 ret -108
I just tried the latest version of sane-backends from the SANE CVS repository and got it working. This problem seems to be have been fixed there about two months ago. At least I can scan again with my 5200C, but I would definitely appreciate an update in RPM format so I can install it on more machines:D
Excellent news that this is fixed in CVS. But we're obviously not going to ship a random CVS snapshot. :-) See if you can look through the changelog to identify the particular change that fixed the problem. I'm afraid I don't have the hardware to do testing myself.
Apparently we are dealing with several bugs. Armijn's error messages were different from the ones I was getting. I just compiled the latest sane-backends cvs source and tried it, with exactly the same results as described in the original bug report. So either the bug is not in sane-backends, or it has not yet been fixed there. The relevant line from the sane-backends 1.0.14 changelog is: 2004-03-27 Peter Kirchgessner <peter@kirchgessner.net> * backend/hp.c, hp-scl.c, hp.h, doc/sane-hp.man, doc-descriptions/hp.desc: Fix problem with USB-connections on Linux 2.6.x. Add environment SANE_HP_KEPPOPEN... and don't close connections for USB. However, again, this has not fixed the bug I reported here, though apparently it fixed the problem Armijn was having. Matt
OK, I grabbed a few files from the SANE CVS that were marked with "Keep USB-connection open (was problem with Linux 2.6.x)", patched the sane-backends-1.0.13 tarball, rebuilt the RPM, installed it. It worked, but scanimage doesn't see my scanner anymore. It might actually be better to make an RPM for 1.0.14 (released a month ago, with this fix) and release that instead of patching 1.0.13 (right?). Anyway, I will attach a patch anyway...
Created attachment 100801 [details] patch for sane-backends 1.0.13, ripped from SANE CVS, has some issues though...
Hmm, forget what I said about scanimage, because it works just fine now, probably some PEBKAC on my side. If these are two different bugs, I guess this report should be split?
Yes, ideally: one bug per report. :-) To be honest it had slipped my noticed that sane-backends-1.0.14 had been released. I'll update rawhide so we can give it some testing, and it's certainly the kind of package that a update could be done for without too much trouble.
Problem Comment #4 is solved by patch from Comment #13. Scanner HP6300C by USB work OK.
Hmm, that's weird as I can make previews now, but sometimes I can't scan, especially after waiting a little while between making a preview and the final scan (a few minutes), I get timeouts and can't make previews anymore, unless I disconnect the scanner and turn it off. I used the patch I submitted earlier. So, *be warned* if you want to use the patch and it's best to wait for an official update!
I am having the same problem as described in Comment #4 on an HP 6350 attached via USB. I found the packages: sane-backends-1.0.14-1.i386.rpm xsane-0.92-11.i386.rpm sane-frontends-1.0.12-1.i386.rpm xsane-gimp-0.92-11.i386.rpm under the development tree and wanted to report that they seem to have resolved the problem for me under FC2. I have scanned the needed four pages to "Save" as tiff under xsane....
So is it okay to close this as RAWHIDE now?