I have no /proc/bus/usb, but here are the rest of the info I collected. Not sure if I should add these files as attachements, so I uploaded it to <a href="http://pastebin.ca">pastebin.ca</a>.<div><br></div><div>dmesg</div>
<div><a href="http://pastebin.ca/2093986">http://pastebin.ca/2093986</a></div><div><br></div><div>lsusb -vvv</div><div><a href="http://pastebin.ca/2093987">http://pastebin.ca/2093987</a></div><div><br></div><div>sane-find-scanner -v -v (from root)<br>
<a href="http://pastebin.ca/2093988">http://pastebin.ca/2093988</a></div><div><br></div><div>udevadm monitor --udev --kernel --property</div><div><a href="http://pastebin.ca/2093989">http://pastebin.ca/2093989</a></div><div>
<br></div><div>What is the next step?</div><div><br><div class="gmail_quote">2011/11/11 ABC <span dir="ltr"><<a href="mailto:abc@telekom.ru">abc@telekom.ru</a>></span><br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hello Ilya Tumaykin,<br>
<br>
Then you should go standard/hard way:<br>
<a href="http://www.sane-project.org/contrib.html" target="_blank">http://www.sane-project.org/contrib.html</a><br>
<br>
-abc<br>
<br>
On Fri, Nov 11, 2011 at 01:30:32AM +0300, Илья Тумайкин wrote:<br>
> Thanks for your reply.<br>
><br>
> Of course I've already tried that with no luck at all.<br>
> The short story of things that already was tried (all of them failed):<br>
> 1. Added scanner's usb id to xerox_mfp.conf. Double checked udev rules for<br>
> correctness. Blacklisted usblp and built SANE with usb support.<br>
> 2. Got reports that SCX-4200 "just works" with latest Ubuntu. Checked<br>
> patches for Ubuntu package. None of them were related, however I gave it a<br>
> try with no luck.<br>
> 3. Installed latest Ubuntu just to be sure and eliminate the fact that I<br>
> could forgot some small detail.<br>
> 4. Tried several different versions of Samsung's Unified Driver on my<br>
> Gentoo and that clean Ubuntu I've just installed.<br>
> There are several comments related to this issue in Gentoo's bugzilla under<br>
> the name "Coacher": <a href="https://bugs.gentoo.org/show_bug.cgi?id=139715" target="_blank">https://bugs.gentoo.org/show_bug.cgi?id=139715</a><br>
> However, it is not SANE related.<br>
> 5. Recompiled 3.0.8 kernel with changed Makefile to make it <a href="http://2.6.40.8" target="_blank">2.6.40.8</a>:<br>
> VERSION = 2<br>
> PATCHLEVEL = 6<br>
> SUBLEVEL = 40<br>
> EXTRAVERSION = .8<br>
> I'll also make a try with 3.1 later but I don'y think I'll be lucky. I was<br>
> trying to trick Samsung's driver so it is not SANE related too.<br>
><br>
> The syptoms I have are the same after all this tries: when I plug in my MFP<br>
> I see dmesg info message, can see udevd output, even have my printer<br>
> working smoothly, but scanner is dead.<br>
><br>
> 2011/11/10 ABC <<a href="mailto:abc@telekom.ru">abc@telekom.ru</a>><br>
><br>
> > Hello Ilya,<br>
> ><br>
> > Try to add USB ids of your device to your xerox.conf<br>
> > and try scanimage -L<br>
> ><br>
> > -abc<br>
> ><br>
> > On Thu, Nov 10, 2011 at 10:44:54PM +0300, Илья Тумайкин wrote:<br>
> > > Hello everyone.<br>
> > ><br>
> > > I am a long time Linux user and Samsung SCX-4100 owner. In ancient times<br>
> > > SANE didn't have support for my model or, for exmaple, SCX-4200, so I<br>
> > used<br>
> > > Samsung's binary driver. Now it is incompatible with modern 3.x kernels<br>
> > and<br>
> > > I think it's a turning point for me to drop it in favor of opensource<br>
> > one.<br>
> > > Since SCX-4200 and SCX-4600 are supported by xerox_mfp backend I hope it<br>
> > > will be easier to add support for my scanner too. I send my call to devs<br>
> > to<br>
> > > help me achieve this mission. I have on my side Linux-powered machine,<br>
> > > Samsung SCX-4100, good knowledge of C and willing to make my old flatbed<br>
> > > working. Please guide me through. Where should I start?<br>
> > ><br>
> > > Best regards.<br>
> > > Ilya Tumaykin.<br>
> ><br>
> > > --<br>
> > > sane-devel mailing list: <a href="mailto:sane-devel@lists.alioth.debian.org">sane-devel@lists.alioth.debian.org</a><br>
> > > <a href="http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel" target="_blank">http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel</a><br>
> > > Unsubscribe: Send mail with subject "unsubscribe your_password"<br>
> > > to <a href="mailto:sane-devel-request@lists.alioth.debian.org">sane-devel-request@lists.alioth.debian.org</a><br>
> ><br>
<br>
> --<br>
> sane-devel mailing list: <a href="mailto:sane-devel@lists.alioth.debian.org">sane-devel@lists.alioth.debian.org</a><br>
> <a href="http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel" target="_blank">http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/sane-devel</a><br>
> Unsubscribe: Send mail with subject "unsubscribe your_password"<br>
> to <a href="mailto:sane-devel-request@lists.alioth.debian.org">sane-devel-request@lists.alioth.debian.org</a><br>
</blockquote></div><br><br clear="all"><div><br></div>-- <br>Best regards.<div>Ilya Tumaykin.</div><br>
</div>