Your message dated Thu, 29 Jul 2010 15:51:44 +0100
with message-id <1280415104.13192.273.ca...@localhost>
and subject line Re: Bug#539147: libgphoto2-2: does not install: segfault while
configuring
has caused the Debian Bug report #539147,
regarding libgphoto2-2: does not install: segfault while configuring
to be marked as done.
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If this is not the case it is now your responsibility to reopen the
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539147: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=539147
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--- Begin Message ---
Package: libgphoto2-2
Version: 2.4.6-1
Severity: grave
Justification: renders package unusable
-- System Information:
Debian Release: squeeze/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: i386 (i686)
Kernel: Linux 2.6.26-2-486
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages libgphoto2-2 depends on:
ii adduser 3.110 add and remove users and groups
ii libc6 2.9-12 GNU C Library: Shared libraries
ii libexif12 0.6.17-1 library to parse EXIF files
ii libgphoto2-port0 2.4.6-1 gphoto2 digital camera port librar
ii libjpeg62 6b-14 The Independent JPEG Group's JPEG
ii libltdl7 2.2.6a-4 A system independent dlopen wrappe
Versions of packages libgphoto2-2 recommends:
ii udev 0.141-1 /dev/ and hotplug management daemo
Versions of packages libgphoto2-2 suggests:
ii gphoto2 2.4.5-2 The gphoto2 digital camera command
-- no debconf information
When I try to install i get the following message:
jacq...@debian ~ % sudo dpkg --configure libgphoto2-2
Richte libgphoto2-2 ein (2.4.6-1) ...
Segmentation fault
dpkg: Fehler beim Bearbeiten von libgphoto2-2 (--configure):
Unterprozess installiertes post-installation-Skript gab den Fehlerwert
139 zurück
Fehler traten auf beim Bearbeiten von:
libgphoto2-2
--- End Message ---
--- Begin Message ---
On Tue, 2009-12-01 at 11:16 +0100, Dominic Osterried wrote:
> "/usr/lib/libgphoto2/print-camera-list hal-fdi" segfaults as
> well.
> The output of the following is:
> jacq...@debian ~ % gdb /usr/lib/libgphoto2/print-camera-list
> GNU gdb (GDB) 7.0-debian
> Copyright (C) 2009 Free Software Foundation, Inc.
> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
> This is free software: you are free to change and redistribute it.
> There is NO WARRANTY, to the extent permitted by law. Type "show copying"
> and "show warranty" for details.
> This GDB was configured as "i486-linux-gnu".
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>...
> Reading symbols from /usr/lib/libgphoto2/print-camera-list...(no debugging
> symbols found)...done.
> (gdb) r hal-fdi
> Starting program: /usr/lib/libgphoto2/print-camera-list hal-fdi
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x6c2f6c61 in ?? ()
> (gdb) bt
> #0 0x6c2f6c61 in ?? ()
> #1 0xb7f4602b in try_dlopen (phandle=0xbfff6858, filename=0x804d090
> "dlopen.a", ext=0x804d0a6 ".a", advise=0x0)
> at ltdl.c:1430
try_dlopen() calls a per-library-type function via the lt_module_open
pointer in the following structure. We see that the function pointer is
invalid and corresponds to the text "al/l", hence I suspect that a
library path beginning "/usr/local/lib/" has been written over an
instance of this structure, or the pointer to the structure was itself
invalid:
typedef struct {
const char * name; // "/usr"
const char * sym_prefix; // "/loc"
lt_module_open * module_open; // "al/l"
lt_module_close * module_close; // ...
lt_find_sym * find_sym;
lt_dlloader_init * dlloader_init;
lt_dlloader_exit * dlloader_exit;
lt_user_data dlloader_data;
lt_dlloader_priority priority;
} lt_dlvtable;
I also note that gdb showed debug information for libltdl although
Debian doesn't provide a debug information package for it. Therefore I
suspect that this bug was in a local version of libltdl and not in
libgphoto2. Since it has proved to be unreproducible elsewhere, I am
closing this bug.
Ben.
--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
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