I hope this is the right way to report, if not sorry.

$ uname -a
Linux LinuxMint14Desktop 3.5.0-27-generic #46-Ubuntu SMP Mon Mar 25 20:00:05 UTC 2013 i686 i686 i686 GNU/Linux

$ libreoffice --version
LibreOffice 3.6 

Program: libroffice
Fontconfig warning: "/usr/lib/libreoffice/share/fonts/truetype/fc_local.conf", line 13: Having multiple <family> in <alias> isn't supported and may not works as expected

a new spreadsheet works
an old spreadshet effects a lot of message and no load possible:
administrator@LinuxMint14Desktop ~ $ libreoffice /media/Dropbox/Dropbox/Photos/LibreOffice/Tabellen/F_G/Fussball.ods 
Fontconfig warning: "/usr/lib/libreoffice/share/fonts/truetype/fc_local.conf", line 13: Having multiple <family> in <alias> isn't supported and may not works as expected
*** glibc detected *** /usr/lib/libreoffice/program/soffice.bin: invalid fastbin entry (free): 0x095b0a30 ***
======= Backtrace: =========
/lib/i386-linux-gnu/libc.so.6(+0x75ee2)[0xb742eee2]
/usr/lib/i386-linux-gnu/libstdc++.so.6(_ZdlPv+0x1f)[0xb75f5adf]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x2a8c40)[0xae261c40]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x2aaa6a)[0xae263a6a]
/usr/lib/libreoffice/program/../program/libsclo.so(_ZN11ScRangeList6AppendERK7ScRange+0x3c)[0xae262ea2]
/usr/lib/libreoffice/program/../program/libsclo.so(_ZN11ScRangeList4JoinERK7ScRangeb+0x38)[0xae262ee4]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x32b127)[0xae2e4127]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x31e21b)[0xae2d721b]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x31e6a2)[0xae2d76a2]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x2e04dd)[0xae2994dd]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x2e0a59)[0xae299a59]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x2e0bb0)[0xae299bb0]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x32d23b)[0xae2e623b]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x32f29d)[0xae2e829d]
/usr/lib/libreoffice/program/../program/libxolo.so(_ZN11SvXMLImport10endElementERKN3rtl8OUStringE+0x41)[0xaf06ef13]
/usr/lib/libreoffice/program/../program/expwrap.uno.so(+0x5f41)[0xafe2cf41]
/lib/i386-linux-gnu/libexpat.so.1(+0x6806)[0xb4177806]
/lib/i386-linux-gnu/libexpat.so.1(+0x7632)[0xb4178632]
/lib/i386-linux-gnu/libexpat.so.1(XML_ParseBuffer+0x7e)[0xb417c96e]
/lib/i386-linux-gnu/libexpat.so.1(XML_Parse+0x106)[0xb417cd66]
/usr/lib/libreoffice/program/../program/expwrap.uno.so(+0x6880)[0xafe2d880]
/usr/lib/libreoffice/program/../program/expwrap.uno.so(+0x74c6)[0xafe2e4c6]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x330364)[0xae2e9364]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x3316c9)[0xae2ea6c9]
/usr/lib/libreoffice/program/../program/libsclo.so(+0x3caee0)[0xae383ee0]
/usr/lib/libreoffice/program/../program/libsclo.so(_ZN10ScDocShell4LoadER9SfxMedium+0xef)[0xae3841ab]
/usr/lib/libreoffice/program/libsfxlo.so(_ZN14SfxObjectShell13LoadOwnFormatER9SfxMedium+0x133)[0xb707e1c3]
/usr/lib/libreoffice/program/libsfxlo.so(_ZN14SfxObjectShell6DoLoadEP9SfxMedium+0x551)[0xb70880f9]
/usr/lib/libreoffice/program/libsfxlo.so(_ZN12SfxBaseModel4loadERKN3com3sun4star3uno8SequenceINS2_5beans13PropertyValueEEE+0x1ef)[0xb70aeced]
/usr/lib/libreoffice/program/libsfxlo.so(+0x215946)[0xb70cf946]
/usr/lib/libreoffice/program/../program/libfwklo.so(+0x9f096)[0xb0dd4096]
/usr/lib/libreoffice/program/../program/libfwklo.so(+0x9fb01)[0xb0dd4b01]
/usr/lib/libreoffice/program/../program/libfwklo.so(+0x5db55)[0xb0d92b55]
/usr/lib/libreoffice/program/../program/libfwklo.so(+0x5de03)[0xb0d92e03]
/usr/lib/libreoffice/program/libcomphelpgcc3.so(_ZN10comphelper19SynchronousDispatch8dispatchERKN3com3sun4star3uno9ReferenceINS4_10XInterfaceEEERKN3rtl8OUStringESD_lRKNS4_8SequenceINS3_5beans13PropertyValueEEE+0x1f4)[0xb7329e78]
/usr/lib/libreoffice/program/libsofficeapp.so(+0x25dcb)[0xb76cfdcb]
/usr/lib/libreoffice/program/libsofficeapp.so(+0x2d76c)[0xb76d776c]
/usr/lib/libreoffice/program/libsofficeapp.so(+0x15a7e)[0xb76bfa7e]
/usr/lib/libreoffice/program/libsofficeapp.so(+0x1650a)[0xb76c050a]
/usr/lib/libreoffice/program/libvcllo.so(_ZNK4Link4CallEPv+0x19)[0xb63db07b]
/usr/lib/libreoffice/program/libvcllo.so(+0x282dfd)[0xb659edfd]
/usr/lib/libreoffice/program/libvcllo.so(+0x289f64)[0xb65a5f64]
/usr/lib/libreoffice/program/libvcllo.so(_ZN17SalGenericDisplay21DispatchInternalEventEv+0x88)[0xb65a5d36]
/usr/lib/libreoffice/program/libvclplug_gtklo.so(+0x25689)[0xb3573689]
/usr/lib/libreoffice/program/libvclplug_gtklo.so(+0x256ee)[0xb35736ee]
/lib/i386-linux-gnu/libglib-2.0.so.0(+0x43c30)[0xb5721c30]
/lib/i386-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x143)[0xb57249e3]
/lib/i386-linux-gnu/libglib-2.0.so.0(+0x46d80)[0xb5724d80]
/lib/i386-linux-gnu/libglib-2.0.so.0(g_main_context_iteration+0x41)[0xb5724e61]
/usr/lib/libreoffice/program/libvclplug_gtklo.so(+0x25470)[0xb3573470]
/usr/lib/libreoffice/program/libvclplug_gtklo.so(+0x25937)[0xb3573937]
/usr/lib/libreoffice/program/libvcllo.so(+0xb4186)[0xb63d0186]
/usr/lib/libreoffice/program/libvcllo.so(_ZN11Application5YieldEb+0x12)[0xb63cdefa]
/usr/lib/libreoffice/program/libvcllo.so(_ZN11Application7ExecuteEv+0x2b)[0xb63cdf2b]
/usr/lib/libreoffice/program/libsofficeapp.so(+0x134ea)[0xb76bd4ea]
/usr/lib/libreoffice/program/libvcllo.so(+0xb82c7)[0xb63d42c7]
/usr/lib/libreoffice/program/libvcllo.so(_Z6SVMainv+0x2c)[0xb63d43e9]
/usr/lib/libreoffice/program/libsofficeapp.so(soffice_main+0x111)[0xb76d82d9]
/usr/lib/libreoffice/program/soffice.bin[0x804857c]
/lib/i386-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0xb73d24d3]
/usr/lib/libreoffice/program/soffice.bin[0x80485b5]
======= Memory map: ========
08048000-08049000 r-xp 00000000 08:13 362404     /usr/lib/libreoffice/program/soffice.bin
08049000-0804a000 r--p 00000000 08:13 362404     /usr/lib/libreoffice/program/soffice.bin
0804a000-0804b000 rw-p 00001000 08:13 362404     /usr/lib/libreoffice/program/soffice.bin
085ec000-0a56f000 rw-p 00000000 00:00 0          [heap]
abc95000-abcf6000 rw-p 00000000 00:00 0 
abcf6000-abd06000 r-xp 00000000 08:13 362294     /usr/lib/libreoffice/program/libdatelo.so
abd06000-abd07000 r--p 00010000 08:13 362294     /usr/lib/libreoffice/program/libdatelo.so
abd07000-abd08000 rw-p 00011000 08:13 362294     /usr/lib/libreoffice/program/libdatelo.so
abd08000-abd25000 r-xp 00000000 08:13 478602     /usr/lib/ure/lib/introspection.uno.so
abd25000-abd26000 r--p 0001d000 08:13 478602     /usr/lib/ure/lib/introspection.uno.so
abd26000-abd27000 rw-p 0001e000 08:13 478602     /usr/lib/ure/lib/introspection.uno.so
abd27000-abd37000 rw-p 00000000 00:00 0 
abd37000-abd7d000 r-xp 00000000 08:13 362263     /usr/lib/libreoffice/program/libanalysislo.so
abd7d000-abd7f000 r--p 00045000 08:13 362263     /usr/lib/libreoffice/program/libanalysislo.so
abd7f000-abd80000 rw-p 00047000 08:13 362263     /usr/lib/libreoffice/program/libanalysislo.so
abd80000-abda6000 r--s 00000000 08:13 544410     /usr/share/fonts/truetype/liberation/LiberationSerif-Regular.ttf
abda6000-abece000 r-xp 00000000 08:13 362500     /usr/lib/libreoffice/program/liblocaledata_others.so
abece000-abecf000 r--p 00127000 08:13 362500     /usr/lib/libreoffice/program/liblocaledata_others.so
abecf000-abf05000 rw-p 00128000 08:13 362500     /usr/lib/libreoffice/program/liblocaledata_others.so
abf05000-abf29000 r-xp 00000000 08:13 362493     /usr/lib/libreoffice/program/liblocaledata_es.so
abf29000-abf2a000 r--p 00023000 08:13 362493     /usr/lib/libreoffice/program/liblocaledata_es.so
abf2a000-abf2f000 rw-p 00024000 08:13 362493     /usr/lib/libreoffice/program/liblocaledata_es.so
abf2f000-abf84000 r-xp 00000000 08:13 362326     /usr/lib/libreoffice/program/libunoxmllo.so
abf84000-abf8b000 r--p 00055000 08:13 362326     /usr/lib/libreoffice/program/libunoxmllo.so
abf8b000-abf8c000 rw-p 0005c000 08:13 362326     /usr/lib/libreoffice/program/libunoxmllo.so
abf8c000-abf8d000 ---p 00000000 00:00 0 
abf8d000-ac78d000 rw-p 00000000 00:00 0 
ac78d000-ac790000 r-xp 00000000 08:13 492242     /lib/i386-linux-gnu/libgpg-error.so.0.8.0
ac790000-ac791000 r--p 00002000 08:13 492242     /lib/i386-linux-gnu/libgpg-error.so.0.8.0
ac791000-ac792000 rw-p 00003000 08:13 492242     /lib/i386-linux-gnu/libgpg-error.so.0.8.0
ac792000-ac794000 r-xp 00000000 08:13 492249     /lib/i386-linux-gnu/libkeyutils.so.1.4
ac794000-ac795000 r--p 00002000 08:13 492249     /lib/i386-linux-gnu/libkeyutils.so.1.4
ac795000-ac796000 rw-p 00003000 08:13 492249     /lib/i386-linux-gnu/libkeyutils.so.1.4
ac796000-ac7a8000 r-xp 00000000 08:13 410355     /usr/lib/i386-linux-gnu/libp11-kit.so.0.0.0
ac7a8000-ac7a9000 r--p 00011000 08:13 410355     /usr/lib/i386-linux-gnu/libp11-kit.so.0.0.0
ac7a9000-ac7aa000 rw-p 00012000 08:13 410355     /usr/lib/i386-linux-gnu/libp11-kit.so.0.0.0
ac7aa000-ac82b000 r-xp 00000000 08:13 492238     /lib/i386-linux-gnu/libgcrypt.so.11.7.0
ac82b000-ac82c000 r--p 00080000 08:13 492238     /lib/i386-linux-gnu/libgcrypt.so.11.7.0
ac82c000-ac82e000 rw-p 00081000 08:13 492238     /lib/i386-linux-gnu/libgcrypt.so.11.7.0
ac82e000-ac83e000 r-xp 00000000 08:13 410510     /usr/lib/i386-linux-gnu/libtasn1.so.3.1.16
ac83e000-ac83f000 r--p 0000f000 08:13 410510     /usr/lib/i386-linux-gnu/libtasn1.so.3.1.16
ac83f000-ac840000 rw-p 00010000 08:13 410510     /usr/lib/i386-linux-gnu/libtasn1.so.3.1.16
ac840000-ac847000 r-xp 00000000 08:13 410256     /usr/lib/i386-linux-gnu/libkrb5support.so.0.1
ac847000-ac848000 r--p 00006000 08:13 410256     /usr/lib/i386-linux-gnu/libkrb5support.so.0.1
ac848000-ac849000 rw-p 00007000 08:13 410256     /usr/lib/i386-linux-gnu/libkrb5support.so.0.1
ac849000-ac84c000 r-xp 00000000 08:13 492218     /lib/i386-linux-gnu/libcom_err.so.2.1
ac84c000-ac84d000 r--p 00002000 08:13 492218     /lib/i386-linux-gnu/libcom_err.so.2.1
ac84d000-ac84e000 rw-p 00003000 08:13 492218     /lib/i386-linux-gnu/libcom_err.so.2.1
ac84e000-ac874000 r-xp 00000000 08:13 410248     /usr/lib/i386-linux-gnu/libk5crypto.so.3.1
ac874000-ac875000 r--p 00026000 08:13 410248     /usr/lib/i386-linux-gnu/libk5crypto.so.3.1
ac875000-ac876000 rw-p 00027000 08:13 410248     /usr/lib/i386-linux-gnu/libk5crypto.so.3.1
ac876000-ac93d000 r-xp 00000000 08:13 410254     /usr/lib/i386-linux-gnu/libkrb5.so.3.3
ac93d000-ac943000 r--p 000c6000 08:13 410254     /usr/lib/i386-linux-gnu/libkrb5.so.3.3
ac943000-ac944000 rw-p 000cc000 08:13 410254     /usr/lib/i386-linux-gnu/libkrb5.so.3.3
ac944000-ac954000 r-xp 00000000 08:13 409795     /usr/lib/i386-linux-gnu/libavahi-client.so.3.2.9
ac954000-ac955000 r--p 0000f000 08:13 409795     /usr/lib/i386-linux-gnu/libavahi-client.so.3.2.9
ac955000-ac956000 rw-p 00010000 08:13 409795     /usr/lib/i386-linux-gnu/libavahi-client.so.3.2.9
ac956000-ac962000 r-xp 00000000 08:13 409797     /usr/lib/i386-linux-gnu/libavahi-common.so.3.5.3
ac962000-ac963000 r--p 0000b000 08:13 409797     /usr/lib/i386-linux-gnu/libavahi-common.so.3.5.3
ac963000-ac964000 rw-p 0000c000 08:13 409797     /usr/lib/i386-linux-gnu/libavahi-common.so.3.5.3
ac964000-aca23000 r-xp 00000000 08:13 444015     /usr/lib/i386-linux-gnu/libgnutls.so.26.21.8
aca23000-aca27000 r--p 000be000 08:13 444015     /usr/lib/i386-linux-gnu/libgnutls.so.26.21.8
aca27000-aca28000 rw-p 000c2000 08:13 444015     /usr/lib/i386-linux-gnu/libgnutls.so.26.21.8
aca28000-aca63000 r-xp 00000000 08:13 410125     /usr/lib/i386-linux-gnu/libgssapi_krb5.so.2.2
aca63000-aca64000 r--p 0003a000 08:13 410125     /usr/lib/i386-linux-gnu/libgssapi_krb5.so.2.2
aca64000-aca65000 rw-p 0003b000 08:13 410125     /usr/lib/i386-linux-gnu/libgssapi_krb5.so.2.2
aca65000-acabf000 r-xp 00000000 08:13 444017     /usr/lib/i386-linux-gnu/libcups.so.2
acabf000-acac0000 ---p 0005a000 08:13 444017     /usr/lib/i386-linux-gnu/libcups.so.2
acac0000-acac3000 r--p 0005a000 08:13 444017     /usr/lib/i386-linux-gnu/libcups.so.2
acac3000-acac4000 rw-p 0005d000 08:13 444017     /usr/lib/i386-linux-gnu/libcups.so.2
acac5000-acad5000 r-xp 00000000 08:13 328916     /usr/lib/i386-linux-gnu/pkcs11/gnome-keyring-pkcs11.so
acad5000-acad6000 ---p 00010000 08:13 328916     /usr/lib/i386-linux-gnu/pkcs11/gnome-keyring-pkcs11.so
acad6000-acad7000 r--p 00010000 08:13 328916     /usr/lib/i386-linux-gnu/pkcs11/gnome-keyring-pkcs11.so
acad7000-acad8000 rw-p 00011000 08:13 328916     /usr/lib/i386-linux-gnu/pkcs11/gnome-keyring-pkcs11.so
acad8000-acad9000 ---p 00000000 00:00 0 
acad9000-ad2d9000 rw-p 00000000 00:00 0          [stack:3802]
ad2d9000-ad2f5000 r-xp 00000000 08:13 478622     /usr/lib/ure/lib/reflection.uno.so
ad2f5000-ad2f6000 r--p 0001c000 08:13 478622     /usr/lib/ure/lib/reflection.uno.so
ad2f6000-ad2f7000 rw-p 0001d000 08:13 478622     /usr/lib/ure/lib/reflection.uno.so
ad2f7000-ad31a000 r--s 00000000 08:13 544402     /usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf
ad31a000-ad3a9000 r-xp 00000000 08:13 362512     /usr/lib/libreoffice/program/libmsfilterlo.so
ad3a9000-ad3ab000 r--p 0008e000 08:13 362512     /usr/lib/libreoffice/program/libmsfilterlo.so