<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 09-Mar-26, at 15:35, Louis Lagendijk wrote:</div><br><blockquote type="cite">Try another USB cable, try the device on another (non Mac) computer if possible. </blockquote></div><div><br></div><div><br></div><div>I connected the MX850 to a 17" flat-panel iMac running Mac OS X 10.4.11, using a different USB cable.</div><div><br></div><div><pre><font class="Apple-style-span" face="Helvetica">I installed gettext 0.17, libusb 0.1.13 beta 2009-02-22 and sane-backends 1.1.0-cvs 2009-02-20 as packaged for Mac OS X 10.4 by Mattias Ellert. And then I restarted the iMac. Then</font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre><pre><font class="Apple-style-span" face="Helvetica">$ cd ~/Desktop</font></pre><pre><font class="Apple-style-span" face="Helvetica">$ mkdir scanning_from_the_command_line </font></pre><pre><font class="Apple-style-span" face="Helvetica">$ cd scanning_from_the_command_line</font></pre><pre><font class="Apple-style-span" face="Helvetica">$ mkdir 2009-03-26.testing </font></pre><pre><font class="Apple-style-span" face="Helvetica">$ cd 2009-03-26.testing </font></pre><pre><font class="Apple-style-span" face="Helvetica">$ export PATH=/usr/local/bin:$PATH</font></pre><pre><font class="Apple-style-span" face="Helvetica">$ export SANE_DEBUG_SANEI_USB=255 </font></pre><pre><font class="Apple-style-span" face="Helvetica">$ export SANE_DEBUG=255 </font></pre><pre><font class="Apple-style-span" face="Helvetica">$ export SANE_DEBUG_PIXMA=20 </font></pre><pre><font class="Apple-style-span" face="Helvetica">$ sane-find-scanner &> sane-find-scanner.log
</font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre><pre><font class="Apple-style-span" face="Helvetica">found USB scanner (vendor=0x04a9 [Canon], product=0x172c [MX850 series]) at libusb:007:002-04a9-172c-00-00
</font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre><pre><font class="Apple-style-span" face="Helvetica">$ scanimage -L &> scanimage-L.log
</font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre><pre><font class="Apple-style-span" face="Helvetica">device `pixma:04A9172C_21B0DA' is a CANON Canon PIXMA MX850 multi-function peripheral
</font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre><pre><font class="Apple-style-span" face="Helvetica">$ scanimage -d pixma:04A9172C_21B0DA -T &> scanimage.log
</font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre><pre><font class="Apple-style-span" face="Helvetica">scanimage hangs as on the OS 10.5 iMac, seemingly at the same place as on the OS 10.5 iMac. This time at least kill -9 managed to kill it. system.log shows </font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre><pre><font class="Apple-style-span" face="Helvetica">KernelEventAgent[34]: tid 00000000 received unknown event (12)</font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre><pre><font class="Apple-style-span" face="Helvetica">Interestingly, closing the Terminal window (since it seems to be irretrievably hung despite having killed scanimage), opening a new Terminal window, and doing the above all over again results in scanimage hanging seemingly at the same place, but this time the scanimage process is not killable, and the system.log shows </font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre><pre><font class="Apple-style-span" face="Helvetica">kernel[0]: USBF: 952.776 AppleUSBOHCI[0x1a30800]::DoIOTransfer - error 0xe00002eb queueing request</font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre><pre><font class="Apple-style-span" face="Helvetica">This is repeatable on the 10.4 iMac: the first attempt at scanimage -T immediately after restarting results in the KernelEventAgent message and the scanimage process is killable. The second scanimage -T results in the kernel USBF message and the scanimage process is not killable.</font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre><pre><font class="Apple-style-span" face="Helvetica">The complete logs for the first and second runs are available at </font></pre><pre><font class="Apple-style-span" face="Helvetica"><a href="http://members.shaw.ca/schoenrank.ca/2009-03-27_sane_testing/">http://members.shaw.ca/schoenrank.ca/2009-03-27_sane_testing/</a></font></pre><pre><font class="Apple-style-span" face="Helvetica">and</font></pre><pre><font class="Apple-style-span" face="Helvetica"><a href="http://members.shaw.ca/schoenrank.ca/2009-03-27_sane_testing.2/">http://members.shaw.ca/schoenrank.ca/2009-03-27_sane_testing.2/</a></font></pre><pre><font class="Apple-style-span" face="Helvetica"><br></font></pre></div><div><br></div>Peter<br><div apple-content-edited="true"><div><div>-----</div> <div>Peter Schoenrank</div> <div>mailto: <a href="mailto:peter@schoenrank.ca">peter@schoenrank.ca</a></div> <div>phone: 250-655-6753</div> </div> </div><br></body></html>