Just crashed again, minutes later (it was working for hours before!). However, I get a different memory error this time... *** glibc detected *** lyx: double free or corruption (!prev): 0x0000000001912b90 *** ======= Backtrace: ========= /lib/libc.so.6[0x7fdc55d31cb8] /lib/libc.so.6(cfree+0x76)[0x7fdc55d34276] lyx[0x54c5f6] lyx[0x54c5cc] lyx[0x54c5cc] lyx[0x54c5cc] lyx[0x546644] lyx[0x5a5d2a] lyx[0x4f3e50] lyx[0x4f6684] lyx[0x74b979] /usr/lib/libQtGui.so.4(_ZN7QWidget5eventEP6QEvent+0x70a)[0x7fdc56e4a7ba] /usr/lib/libQtGui.so.4(_ZN6QFrame5eventEP6QEvent+0x2b)[0x7fdc571e440b] /usr/lib/libQtGui.so.4(_ZN19QAbstractScrollArea5eventEP6QEvent+0x89)[0x7fdc57275949] lyx[0x74910c] /usr/lib/libQtGui.so.4(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0xbd)[0x7fdc56df978d] /usr/lib/libQtGui.so.4(_ZN12QApplication6notifyEP7QObjectP6QEvent+0xfdf)[0x7fdc56e028bf] lyx[0x7154f8] /usr/lib/libQtCore.so.4(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x8c)[0x7fdc5692b75c] /usr/lib/libQtGui.so.4[0x7fdc56e8e6b4] /usr/lib/libQtGui.so.4[0x7fdc56e90a12] /usr/lib/libQtGui.so.4(_ZN12QApplication15x11ProcessEventEP7_XEvent+0x6fd)[0x7fdc56e695bd] /usr/lib/libQtGui.so.4[0x7fdc56e92464] /usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x24a)[0x7fdc53f3820a] /usr/lib/libglib-2.0.so.0[0x7fdc53f3b8e0] /usr/lib/libglib-2.0.so.0(g_main_context_iteration+0x6c)[0x7fdc53f3ba7c] /usr/lib/libQtCore.so.4(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x4f)[0x7fdc56954e6f] /usr/lib/libQtGui.so.4[0x7fdc56e91bef] /usr/lib/libQtCore.so.4(_ZN10QEventLoop13processEventsE6QFlagsINS_17ProcessEventsFlagEE+0x32)[0x7fdc5692a002] /usr/lib/libQtCore.so.4(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0xcd)[0x7fdc5692a3cd] /usr/lib/libQtCore.so.4(_ZN16QCoreApplication4execEv+0xc4)[0x7fdc5692c694] lyx[0x4e4934] lyx[0x43bfbf] /lib/libc.so.6(__libc_start_main+0xe6)[0x7fdc55cd85a6] lyx[0x43be89] ======= Memory map: ======== 00400000-00abf000 r-xp 00000000 08:01 3862437 /usr/bin/lyx 00cbe000-00cbf000 r--p 006be000 08:01 3862437 /usr/bin/lyx 00cbf000-00cc6000 rw-p 006bf000 08:01 3862437 /usr/bin/lyx 00cc6000-00cf0000 rw-p 00cc6000 00:00 0 01090000-01aeb000 rw-p 01090000 00:00 0 [heap] 7fdc44000000-7fdc44021000 rw-p 7fdc44000000 00:00 0 7fdc44021000-7fdc48000000 ---p 7fdc44021000 00:00 0 7fdc4a415000-7fdc4a460000 r--p 00000000 08:01 4008043 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSerif-Bold.ttf 7fdc4a460000-7fdc4a4c0000 rw-s 00000000 00:09 720912 /SYSV00000000 (deleted) 7fdc4a4c0000-7fdc4a54c000 r--p 00000000 08:01 4008039 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSans-Bold.ttf 7fdc4a54c000-7fdc4a59b000 r--p 00000000 08:01 4008042 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono.ttf 7fdc4a59b000-7fdc4a633000 r--p 00000000 08:01 4008040 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf 7fdc4a633000-7fdc4a684000 r--p 00000000 08:01 4008044 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSerif.ttf 7fdc4a684000-7fdc4a6dc000 r-xp 00000000 08:01 3861982 /usr/lib/libtiff.so.4.2.1 7fdc4a6dc000-7fdc4a8dc000 ---p 00058000 08:01 3861982 /usr/lib/libtiff.so.4.2.1 7fdc4a8dc000-7fdc4a8de000 r--p 00058000 08:01 3861982 /usr/lib/libtiff.so.4.2.1 7fdc4a8de000-7fdc4a8df000 rw-p 0005a000 08:01 3861982 /usr/lib/libtiff.so.4.2.1 7fdc4a8df000-7fdc4a8e4000 r-xp 00000000 08:01 4065189 /usr/lib/qt4/plugins/imageformats/libqtiff.so 7fdc4a8e4000-7fdc4aae3000 ---p 00005000 08:01 4065189 /usr/lib/qt4/plugins/imageformats/libqtiff.so 7fdc4aae3000-7fdc4aae4000 r--p 00004000 08:01 4065189 /usr/lib/qt4/plugins/imageformats/libqtiff.so 7fdc4aae4000-7fdc4aae5000 rw-p 00005000 08:01 4065189 /usr/lib/qt4/plugins/imageformats/libqtiff.so 7fdc4aae5000-7fdc4ab19000 r-xp 00000000 08:01 3861685 /usr/lib/liblcms.so.1.0.18 7fdc4ab19000-7fdc4ad18000 ---p 00034000 08:01 3861685 /usr/lib/liblcms.so.1.0.18 7fdc4ad18000-7fdc4ad19000 r--p 00033000 08:01 3861685 /usr/lib/liblcms.so.1.0.18 7fdc4ad19000-7fdc4ad1a000 rw-p 00034000 08:01 3861685 /usr/lib/liblcms.so.1.0.18 7fdc4ad1a000-7fdc4ad1c000 rw-p 7fdc4ad1a000 00:00 0 7fdc4ad1c000-7fdc4ad96000 r-xp 00000000 08:01 3861718 /usr/lib/libmng.so.1.1.0.9 7fdc4ad96000-7fdc4ae95000 ---p 0007a000 08:01 3861718 /usr/lib/libmng.so.1.1.0.9 7fdc4ae95000-7fdc4ae9a000 rw-p 00079000 08:01 3861718 /usr/lib/libmng.so.1.1.0.9 7fdc4ae9a000-7fdc4aea0000 r-xp 00000000 08:01 4065188 /usr/lib/qt4/plugins/imageformats/libqmng.so 7fdc4aea0000-7fdc4b09f000 ---p 00006000 08:01 4065188 /usr/lib/qt4/plugins/imageformats/libqmng.so 7fdc4b09f000-7fdc4b0a0000 r--p 00005000 08:01 4065188 /usr/lib/qt4/plugins/imageformats/libqmng.so 7fdc4b0a0000-7fdc4b0a1000 rw-p 00006000 08:01 4065188 /usr/lib/qt4/plugins/imageformats/libqmng.so 7fdc4b0a1000-7fdc4b0c3000 r-xp 00000000 08:01 3861669 /usr/lib/libjpeg.so.62.0.0 7fdc4b0c3000-7fdc4b2c3000 ---p 00022000 08:01 3861669 /usr/lib/libjpeg.so.62.0.0 7fdc4b2c3000-7fdc4b2c4000 rw-p 00022000 08:01 3861669 /usr/lib/libjpeg.so.62.0.0 7fdc4b2c4000-7fdc4b2cd000 r-xp 00000000 08:01 4065187 /usr/lib/qt4/plugins/imageformats/libqjpeg.so 7fdc4b2cd000-7fdc4b4cc000 ---p 00009000 08:01 4065187 /usr/lib/qt4/plugins/imageformats/libqjpeg.so 7fdc4b4cc000-7fdc4b4cd000 r--p 00008000 08:01 4065187 /usr/lib/qt4/plugins/imageformats/libqjpeg.so 7fdc4b4cd000-7fdc4b4ce000 rw-p 00009000 08:01 4065187 /usr/lib/qt4/plugins/imageformats/libqjpeg.so 7fdc4b4ce000-7fdc4b4d4000 r-xp 00000000 08:01 4065186 /usr/lib/qt4/plugins/imageformats/libqico.so 7fdc4b4d4000-7fdc4b6d4000 ---p 00006000 08:01 4065186 /usr/lib/qt4/plugins/imageformats/libqico.so 7fdc4b6d4000-7fdc4b6d5000 r--p 00006000 08:01 4065186 /usr/lib/qt4/plugins/imageformats/libqico.so 7fdc4b6d5000-7fdc4b6d6000 rw-p 00007000 08:01 4065186 /usr/lib/qt4/plugins/imageformats/libqico.so 7fdc4b6d6000-7fdc4b6dc000 r-xp 00000000 08:01 4065185 /usr/lib/qt4/plugins/imageformats/libqgif.so 7fdc4b6dc000-7fdc4b8db000 ---p 00006000 08:01 4065185 /usr/lib/qt4/plugins/imageformats/libqgif.so 7fdc4b8db000-7fdc4b8dc000 r--p 00005000 08:01 4065185 /usr/lib/qt4/plugins/imageformats/libqgif.so 7fdc4b8dc000-7fdc4b8dd000 rw-p 00006000 08:01 4065185 /usr/lib/qt4/plugins/imageformats/libqgif.so 7fdc4b8dd000-7fdc4b975000 r--p 00000000 08:01 4008040 /usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf 7fdc4b975000-7fdc4b977000 r-xp 00000000 08:01 3932963 /usr/lib/pango/1.6.0/modules/pango-basic-fc.so 7fdc4b977000-7fdc4bb76000 ---p 00002000 08:01 3932963 /usr/lib/pango/1.6.0/modules/pango-basic-fc.so 7fdc4bb76000-7fdc4bb77000 r--p 00001000 08:01 3932963 /usr/lib/pango/1.6.0/modules/pango-basic-fc.so 7fdc4bb77000-7fdc4bb78000 rw-p 00002000 08:01 3932963 /usr/lib/pango/1.6.0/modules/pango-basic-fc.so 7fdc4bb78000-7fdc4bba2000 r-xp 00000000 08:01 3891779 /usr/lib/gtk-2.0/2.10.0/engines/libclearlooks.so 7fdc4bba2000-7fdc4bda1000 ---p 0002a000 08:01 3891779 /usr/lib/gtk-2.0/2.10.0/engines/libclearlooks.so 7fdc4bda1000-7fdc4bda2000 r--p 00029000 08:01 3891779 /usr/lib/gtk-2.0/2.10.0/engines/libclearlooks.so 7fdc4bda2000-7fdc4bda3000 rw-p 0002a000 08:01 3891779 /usr/lib/gtk-2.0/2.10.0/engines/libclearlooks.so 7fdc4bda3000-7fdc4bdab000 r-xp 00000000 08:01 3861699 /usr/lib/libltdl.so.7.2.0 7fdc4bdab000-7fdc4bfab000 ---p 00008000 08:01 3861699 /usr/lib/libltdl.so.7.2.0 7fdc4bfab000-7fdc4bfac000 r--p 00008000 08:01 3861699 /usr/lib/libltdl.so.7.2.0 7fdc4bfac000-7fdc4bfad000 rw-p 00009000 08:01 3861699 /usr/lib/libltdl.so.7.2.0 7fdc4bfad000-7fdc4bfba000 r-xp 00000000 08:01 3861971 /usr/lib/libtdb.so.1.1.3 7fdc4bfba000-7fdc4c1b9000 ---p 0000d000 08:01 3861971 /usr/lib/libtdb.so.1.1.3 7fdc4c1b9000-7fdc4c1ba000 r--p 0000c000 08:01 3861971 /usr/lib/libtdb.so.1.1.3 7fdc4c1ba000-7fdc4c1bb000 rw-p 0000d000 08:01 3861971 /usr/lib/libtdb.so.1.1.3 7fdc4c1bb000-7fdc4c1c0000 r-xp 00000000 08:01 3861779 /usr/lib/libogg.so.0.5.3 7fdc4c1c0000-7fdc4c3bf000 ---p 00005000 08:01 3861779 /usr/lib/libogg.so.0.5.3 7fdc4c3bf000-Aborted