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<!-- name="Mark Cornick" -->
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<!-- subject="xcam/xscanimage hangs w/ SANE 0.57" -->
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<title>sane-devel: xcam/xscanimage hangs w/ SANE 0.57</title>
<h1>xcam/xscanimage hangs w/ SANE 0.57</h1>
<b>Mark Cornick</b> (<a href="mailto:mcornick@zorak.gsfc.nasa.gov"><i>mcornick@zorak.gsfc.nasa.gov</i></a>)<br>
<i>Thu, 29 May 1997 17:37:53 -0400</i>
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<li> <b>Next message:</b> <a href="0041.html">David Mosberger-Tang: "Re: xcam/xscanimage hangs w/ SANE 0.57"</a>
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--82I3+IH0IqGh5yIs<br>
Content-Type: text/plain; charset=us-ascii<br>
<p>
I've got a problem that's completely baffled me. A few days ago I<br>
installed SANE 0.57, which I use with a color QuickCam (on /dev/lp1,<br>
with the port in ECP mode.) This worked fine until today. In xcam, I<br>
hit "play", get one image, and then xcam hangs (no new images, can't<br>
pull down menus or click buttons, etc.) A similar thing happens with<br>
xscanimage - I can scan one preview image, then the program hangs if I<br>
try to scan another image.<br>
<p>
I've tried undoing everything I've changed in the past day or so<br>
(different color depths, different window managers, etc.) and nothing<br>
changes. I've tried running as root, and it does the same thing (I<br>
have xcam/xscanimage/scanimage installed setuid root so I can run<br>
them as non-root.) I did upgrade to Red Hat 4.2 a few days ago, but<br>
all was well yesterday with 4.2 running (at least, I think so.)<br>
scanimage still grabs images just fine, and the QuickCam shows up in a<br>
scanimage -L.<br>
<p>
My machine is a Pentium Pro box w/ 64 MB RAM and XFree86 3.2, driving<br>
a Matrox Millenium card at 1280x1024, 24bpp. I configured sane with<br>
--enable-preload, since the QuickCam didn't show up in scanimage -L<br>
otherwise.<br>
<p>
I did an strace on xcam; the (gzipped) stderr from that is attached,<br>
in case it offers any insights. I'm no kernel hacker, so I haven't<br>
much of a clue in this regard.<br>
<p>
scanimage is the one program I really needed, and that's working fine,<br>
so this isn't too urgent, it's just frustrating. :-|<br>
<p>
If I can be of any further help, please let me know.<br>
<p>
<pre>
--
Mark Cornick / HSTX/NASA Goddard Space Flight Center, Code 922
<a href="mailto:mcornick@zorak.gsfc.nasa.gov">mcornick@zorak.gsfc.nasa.gov</a>
<p>
--82I3+IH0IqGh5yIs
Content-Type: application/x-gunzip
Content-Transfer-Encoding: base64
Content-Description: stderr of "strace xcam"
Content-Disposition: attachment; filename="xcam.strace.gz"
<p>
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<p>
--82I3+IH0IqGh5yIs--
<p>
<pre>
--
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</pre>
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