Re: debsums

alors:

(gdb) bt full
#0 0xb5f9770d in strncmp () from /lib/i686/cmov/libc.so.6
No symbol table info available.
#1 0xb71a858d in __xmlParserInputBufferCreateFilename (URI=0x8e5e358 "file:///etc/xml/catalog", enc=XML_CHAR_ENCODING_NONE)
at xmlIO.c:2412
buff4 = "<?xm"
ret = <value optimized out>
i = <value optimized out>
context = (void *) 0x8ff76a8
#2 0xb71a860a in xmlParserInputBufferCreateFilename__internal_alias (URI=0x8e5e358 "file:///etc/xml/catalog",
enc=XML_CHAR_ENCODING_NONE) at xmlIO.c:2446
No locals.
#3 0xb71f3486 in xmlParseCatalogFile__internal_alias (filename=0x8e5e358 "file:///etc/xml/catalog") at catalog.c:901
ret = <value optimized out>
ctxt = <value optimized out>
directory = <value optimized out>
inputStream = <value optimized out>
buf = <value optimized out>
#4 0xb71f36d2 in xmlFetchXMLCatalogFile (catal=0x911b628) at catalog.c:1347
doc = (xmlCatalogEntryPtr) 0xb7278698
#5 0xb71f425d in xmlCatalogListXMLResolve (catal=0x911b628, pubID=0x0, sysID=0x911b658 "") at catalog.c:2060
ret = (xmlChar *) 0x911b658 ""
urnID = <value optimized out>
normid = (xmlChar *) 0x0
#6 0xb71f4b2d in xmlACatalogResolve__internal_alias (catal=0x8ff7400, pubID=0x0, sysID=0x911b658 "") at catalog.c:2872
ret = <value optimized out>
#7 0xb71f4bdd in xmlCatalogResolve__internal_alias (pubID=0x0, sysID=0x911b658 "") at catalog.c:3352
ret = (xmlChar *) 0x1 <Address 0x1 out of bounds>
#8 0xb71a89ba in xmlResolveResourceFromCatalog (URL=0x911b658 "", ID=0x0, ctxt=0x9118898) at xmlIO.c:3691
resource = <value optimized out>
pref = XML_CATA_ALLOW_ALL
#9 0xb71a94c9 in xmlDefaultExternalEntityLoader (URL=0x911b658 "", ID=0x0, ctxt=0x9118898) at xmlIO.c:3756
ret = <value optimized out>
resource = <value optimized out>
#10 0xb71a8a6d in xmlLoadExternalEntity__internal_alias (URL=0x87af38c "", ID=0x0, ctxt=0x9118898) at xmlIO.c:3824
ret = <value optimized out>
#11 0xb717ffb1 in xmlCreateURLParserCtxt__internal_alias (filename=0x87af38c "", options=0) at parser.c:12801
ctxt = <value optimized out>
inputStream = <value optimized out>
directory = <value optimized out>
#12 0xb7180059 in xmlCreateFileParserCtxt__internal_alias (filename=0x87af38c "") at parser.c:12829
No locals.
#13 0xb71978e6 in xmlSAXParseFileWithData__internal_alias (sax=0x0, filename=0x87af38c "", recovery=0, data=0x0) at parser.c:12860
ret = (xmlDocPtr) 0x0
ctxt = <value optimized out>
#14 0xb71979e7 in xmlSAXParseFile__internal_alias (sax=0x0, filename=0x87af38c "", recovery=0) at parser.c:12920
No locals.
#15 0xb7197a41 in xmlParseFile__internal_alias (filename=0x87af38c "") at parser.c:12952
No locals.
#16 0x085319ae in ?? ()

strace -f -e open inkscape
[...]
open("/usr/share/inkscape/extensions/randompos.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/color_darker.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/inkscape_help_faq.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/color_lesshue.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/rtree.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/xaml2svg.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/cdr_input.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/wmf_input.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/aisvg.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/dxf_output.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/gears.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/fractalize.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/inkscape_help_keys.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/markers_strokepaint.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/measure.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/color_lesssaturation.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/color_desaturate.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/text_randomcase.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/pathalongpath.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/color_moresaturation.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/svg_and_media_zip_output.inx", O_RDONLY) = 7
open("/usr/share/inkscape/extensions/dots.inx", O_RDONLY) = 7
open("/home/antoine/.inkscape/extension-errors.log", O_WRONLY|O_CREAT|O_TRUNC|O_LARGEFILE, 0666) = 6
open("/etc/xml/catalog", O_RDONLY|O_LARGEFILE) = 7
--- SIGSEGV (Segmentation fault) @ 0 (0) ---

Emergency save activated!
open("/etc/localtime", O_RDONLY) = 8
open("/home/antoine/.inkscape/preferences.xml", O_WRONLY|O_CREAT|O_TRUNC, 0666) = 8
Emergency save completed. Inkscape will close now.
If you can reproduce this crash, please file a bug at www.inkscape.org
with a detailed description of the steps leading to the crash, so we can fix it.
open("/usr/share/icons/nuoveXT2/22x22/actions/gtk-close.png", O_RDONLY|O_LARGEFILE) = 8
open("/etc/pango/pangorc", O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/home/antoine/.pangorc", O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/usr/lib/pango/1.6.0/module-files.d", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 8
open("/usr/lib/pango/1.6.0/module-files.d/libpango1.0-0.modules", O_RDONLY) = 9
open("/etc/pango/pango.modules", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
open("/etc/pango/pango.modules", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/etc/fonts/fonts.conf", O_RDONLY) = 8
open("/etc/fonts/conf.d", O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_DIRECTORY|O_CLOEXEC) = 9
open("/etc/fonts/conf.d/20-fix-globaladvance.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/20-unhint-small-vera.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/30-defoma.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/30-metric-aliases.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/30-urw-aliases.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/40-nonlatin.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/45-latin.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/49-sansserif.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/50-user.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/51-local.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/60-latin.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/65-fonts-persian.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/65-nonlatin.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/69-unifont.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/70-no-bitmaps.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/80-delicious.conf", O_RDONLY) = 10
open("/etc/fonts/conf.d/90-synthetic.conf", O_RDONLY) = 10
open("/var/cache/fontconfig/3830d5c3ddfd5cd38a049b759396e72e-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/4c599c202bc5c08e2d34565a40eac3b2-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/865f88548240fee46819705c6468c165-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/c855463f699352c367813e37f3f70ea7-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/57e423e26b20ab21d0f2f29c145174c3-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/7ef2298fde41cc6eeb7af42e48b7d293-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/d82eb4fd963d448e2fcb7d7b793b5df3-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/21a99156bb11811cef641abeda519a45-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/eeebfc908bd29a90773fd860017aada4-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/e13b20fdb08344e0e664864cc2ede53d-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/707971e003b4ae6c8121c3a920e507f5-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/cabbd14511b9e8a55e92af97fb3a0461-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/fe547fea3a41b43a38975d292a2b19c7-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/d52a8644073d54c13679302ca1180695-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/4794a0821666d79190d59a36cb4f44b5-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/6d41288fd70b0be22e8c3a91e032eec0-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/6eb3985aa4124903f6ff08ba781cd364-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/945677eb7aeaf62f1d50efc3fb3ec7d8-le32d4.cache-3", O_RDONLY) = 8
open("/var/cache/fontconfig/6333f38776742d18e214673cd2c24e34-le32d4.cache-3", O_RDONLY) = 8
open("/proc/meminfo", O_RDONLY) = 8
open("/usr/lib/pango/1.6.0/modules/pango-basic-fc.so", O_RDONLY) = 8
open("/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf", O_RDONLY) = 8
open("/usr/share/icons/nuoveXT2/48x48/status/gtk-dialog-error.png", O_RDONLY|O_LARGEFILE) = 8
open("/home/antoine/.icons/default/cursors/xterm", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/home/antoine/.icons/default/index.theme", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/icons/default/cursors/xterm", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/icons/default/index.theme", O_RDONLY) = 8
open("/usr/share/pixmaps/default/cursors/xterm", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/X11R6/lib/X11/icons/default/cursors/xterm", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/home/antoine/.icons/DMZ-White/cursors/xterm", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/home/antoine/.icons/DMZ-White/index.theme", O_RDONLY) = -1 ENOENT (No such file or directory)
open("/usr/share/icons/DMZ-White/cursors/xterm", O_RDONLY) = 8
open("/usr/share/icons/nuoveXT2/22x22/actions/gtk-close.png", O_RDONLY|O_LARGEFILE) = 8
open("/usr/share/icons/nuoveXT2/22x22/actions/gtk-close.png", O_RDONLY|O_LARGEFILE) = 8
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV (core dumped) +++


j'espère que cela pourra servir à se rapprocher d'une solution.
Et encore merci pour ton aide, je ne serais jamais allé aussi loin tout seul.