I have not found it possible to compose this post in my email program.
I am composing it instead in a text editor and will then copy it to an
email form. That means that I will not be repeating in my email as
posted any history.
In his most recent post, Alan first suggested searching in various
locations to try to find whether v 2.1.5 of libgphoto2 is still hanging
around and being used, instead of v 2.1.6.
My following the letter of that suggestion would have been pointless,
given my state of knowledge. I simply don't know how to determine
whether any files I might find are part of v 2.1.6 or v 2.1.5, apart
from their having the appropriate number in their name.
I therefore searched the entire filesystem for any files or folders
with "2.1.5" in their name. I got the following results only:
/var/cache/yum/updates-released/headers/gphoto2-2.1.5-1.1.i386.hdr
/var/cache/yum/updates-released/packages/gphoto2-2.1.5-1.1.i386.rpm
Alan next suggested that I should find gphoto2's process number while
it was running and then run a command based on that process number to
find which library file was being used.
Again, my ignorance prevented my doing that. I found reference on the
Web to the "ps" command, which I assume would be used to find the
process number, but, since gphoto2 isn't like a service, I couldn't
figure out how to take a snapshot with "ps" while gphoto2 ran very
briefly.
As I understood Stephen's suggestion that I use "ldd", it might be an
alternative to Alan's suggestion just mentioned, so I tried it.
When I ran "ldd /usr/bin/gphoto2", I got the following results:
libexif.so.9 => /usr/lib/libexif.so.9 (0x03f4c000)
libm.so.6 => /lib/tls/libm.so.6 (0x00834000)
libgphoto2.so.2 => /usr/lib/libgphoto2.so.2 (0x00ae6000)
libgphoto2_port.so.0 => /usr/lib/libgphoto2_port.so.0 (0x00aaa000)
libpopt.so.0 => /usr/lib/libpopt.so.0 (0x00caf000)
libc.so.6 => /lib/tls/libc.so.6 (0x00708000)
/lib/ld-linux.so.2 (0x006ee000)
libdl.so.2 => /lib/libdl.so.2 (0x00859000)
Trying to think of anything useful I might do with that information, I
used the file search facility, which turned up some things which seemed
to me to be of significance.
Searching for "libexif.so.9" found two files, both said to be in
/usr/lib: "libexif.so.9.1.2", said to be a shared library of 75 KB; and
"libexif.so.9", said to be a "link (broken)" of 16 bytes.
Searching for "libm.so.6", found three files of that name, one said to
be in /lib, one said to be in /lib/i686 and one said to be in /lib/tls.
Each was said to be 13 bytes in size and of type "link (broken)".
Searching for "libgphoto2.so.2" found two files said to be in /usr/lib.
One was said to be "libgphoto2.so.2", 19 bytes long and "link
(broken)". The other was said to be "libgphoto2.so.2.0.3", a shared
library of 256.9 KB.
Searching for "libgphoto2_port.so.0" found two files said to be in
/usr/lib. One was said to be "libgphoto2_port.so.0.5.1" a shared
library of 54.5 KB; the other was said to be "libgphoto2_port.so.0", a
"link (broken)" of 24 bytes.
Searching for "libpopt.so.0" found two files said to be in /usr/lib.
One was said to be "libpopt.so.0.0.0" a shared library of 27.2 KB; the
other was said to be "libpopt.so.0", a "link (broken)" of 16 bytes.
Searching for "libc.so.6" found three files with that name, one said to
be in /lib, another in /lib/i686 and the last in /lib/tls. Each was a
"link (broken)" of 13 bytes.
Searching for "/lib/ld-linux.so.2" found a single broken link of that
name of 11 bytes.
Searching for "libdl.so.2" found a single file of that name in /lib. It
was a broken link of 14 bytes.
If I've got this right, each of the files said to be one of gphoto2's
shared library dependencies is a link going anywhere.
Finally, Alan suggested I post the complete log file from my gphoto2
run. Yet again, I don't know how. gphoto2's error messages speak of
issuing commands with debugging on and I tried to do that. However, I
could find no file especially created by gphoto2 with the debugging
information in it, nor could I find anything that seemed to me to be
relevant in /var/log/messages, which was the only other place I knew of
in which to look.
I know my ignorance must be irritating. Again, I apologise for it. I'm
hopeful, though, that the "ldd" output may point to the end of this
saga.
Leslie
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