I was highlighting (with the keyboard) some text (and deleting it) using a
letter (KOMA-Script v.2) class of document with LyX 1.6.2 on Linux (amd-64),
when I stumbled into a bug.

I only lost half a sentence. Great backup work, people! :-)

Dave

*** glibc detected *** lyx: corrupted double-linked list: 0x00000000032d1b10
***
======= Backtrace:
=========
/lib/libc.so.6[0x7f0aecce5a8e]

/lib/libc.so.6[0x7f0aecce78f1]

/lib/libc.so.6(__libc_malloc+0x98)[0x7f0aecce9828]

/usr/lib/libQtGui.so.4[0x7f0aedf116b0]

/usr/lib/libQtGui.so.4(_ZN7QRegionC1ERK8QPolygonN2Qt8FillRuleE+0x98)[0x7f0aedf12958]

/usr/lib/libQtGui.so.4[0x7f0aedf99611]

/usr/lib/libQtGui.so.4[0x7f0aedec463c]

/usr/lib/libQtGui.so.4[0x7f0aedec473e]

/usr/lib/libQtGui.so.4(_ZN8QPainter13setClipRegionERK7QRegionN2Qt13ClipOperationE+0x583)[0x7f0aedec9f53]

/usr/lib/libQtGui.so.4(_ZNK14QWidgetPrivate15paintBackgroundEP8QPainterRK7QRegionRK6QPointi+0x17c)[0x7f0aede03ebc]

/usr/lib/libQtGui.so.4(_ZN14QWidgetPrivate10drawWidgetEP12QPaintDeviceRK7QRegionRK6QPointiP8QPainterP19QWidgetBackingStore+0x6ed)[0x7f0aede04bad]

/usr/lib/libQtGui.so.4[0x7f0aedfa8362]

/usr/lib/libQtGui.so.4(_ZN14QWidgetPrivate16syncBackingStoreEv+0x80)[0x7f0aeddf6050]

/usr/lib/libQtGui.so.4(_ZN7QWidget5eventEP6QEvent+0x4cd)[0x7f0aeddfd57d]

/usr/lib/libQtGui.so.4(_ZN11QMainWindow5eventEP6QEvent+0x7b)[0x7f0aee1b1d9b]

lyx[0x735d40]

/usr/lib/libQtGui.so.4(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0xbd)[0x7f0aeddac78d]

/usr/lib/libQtGui.so.4(_ZN12QApplication6notifyEP7QObjectP6QEvent+0x9a)[0x7f0aeddb497a]

lyx[0x7154f8]

/usr/lib/libQtCore.so.4(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x8c)[0x7f0aed8de75c]

/usr/lib/libQtGui.so.4[0x7f0aedfa59d7]

/usr/lib/libQtGui.so.4[0x7f0aedfa89fd]

/usr/lib/libQtGui.so.4(_ZN7QWidget7repaintERK5QRect+0x105)[0x7f0aeddf87d5]

/usr/lib/libQtGui.so.4(_ZN7QWidget7repaintEiiii+0x5a)[0x7f0aeddf885a]

lyx[0x749cd9]

lyx[0x712572]

lyx[0x587de9]

lyx[0x5a72a4]

lyx[0x54a496]

lyx[0x5a5d2a]

lyx[0x4f3e50]

lyx[0x4f6545]

lyx[0x74b979]

/usr/lib/libQtGui.so.4(_ZN7QWidget5eventEP6QEvent+0x70a)[0x7f0aeddfd7ba]

/usr/lib/libQtGui.so.4(_ZN6QFrame5eventEP6QEvent+0x2b)[0x7f0aee19740b]

/usr/lib/libQtGui.so.4(_ZN19QAbstractScrollArea5eventEP6QEvent+0x89)[0x7f0aee228949]

lyx[0x74910c]

/usr/lib/libQtGui.so.4(_ZN19QApplicationPrivate13notify_helperEP7QObjectP6QEvent+0xbd)[0x7f0aeddac78d]

/usr/lib/libQtGui.so.4(_ZN12QApplication6notifyEP7QObjectP6QEvent+0xfdf)[0x7f0aeddb58bf]

lyx[0x7154f8]

/usr/lib/libQtCore.so.4(_ZN16QCoreApplication14notifyInternalEP7QObjectP6QEvent+0x8c)[0x7f0aed8de75c]

/usr/lib/libQtGui.so.4[0x7f0aede416b4]

/usr/lib/libQtGui.so.4[0x7f0aede43a12]

/usr/lib/libQtGui.so.4(_ZN12QApplication15x11ProcessEventEP7_XEvent+0x6fd)[0x7f0aede1c5bd]

/usr/lib/libQtGui.so.4[0x7f0aede45464]

/usr/lib/libglib-2.0.so.0(g_main_context_dispatch+0x24a)[0x7f0aeaeeb20a]

/usr/lib/libglib-2.0.so.0[0x7f0aeaeee8e0]

/usr/lib/libglib-2.0.so.0(g_main_context_iteration+0x6c)[0x7f0aeaeeea7c]

/usr/lib/libQtCore.so.4(_ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE+0x4f)[0x7f0aed907e6f]

/usr/lib/libQtGui.so.4[0x7f0aede44bef]

/usr/lib/libQtCore.so.4(_ZN10QEventLoop13processEventsE6QFlagsINS_17ProcessEventsFlagEE+0x32)[0x7f0aed8dd002]

/usr/lib/libQtCore.so.4(_ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE+0xcd)[0x7f0aed8dd3cd]

/usr/lib/libQtCore.so.4(_ZN16QCoreApplication4execEv+0xc4)[0x7f0aed8df694]

lyx[0x4e4934]

lyx[0x43bfbf]

/lib/libc.so.6(__libc_start_main+0xe6)[0x7f0aecc8b5a6]

lyx[0x43be89]

======= Memory map:
========
00400000-00abf000 r-xp 00000000 08:01 301594
/usr/bin/lyx

00cbe000-00cbf000 r--p 006be000 08:01 301594
/usr/bin/lyx

00cbf000-00cc6000 rw-p 006bf000 08:01 301594
/usr/bin/lyx

00cc6000-00cf0000 rw-p 00cc6000 00:00
0
02afe000-0333b000 rw-p 02afe000 00:00 0
[heap]
7f0adc000000-7f0adc021000 rw-p 7f0adc000000 00:00
0
7f0adc021000-7f0ae0000000 ---p 7f0adc021000 00:00
0
7f0ae18a7000-7f0ae18f1000 r--p 00000000 08:01 368360
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSerif-Italic.ttf

7f0ae18f1000-7f0ae193c000 r--p 00000000 08:01 368346
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSerif-Bold.ttf

7f0ae193c000-7f0ae1984000 r--p 00000000 08:01 368359
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSerif-BoldItalic.ttf

7f0ae1984000-7f0ae1a10000 r--p 00000000 08:01 368342
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans-Bold.ttf

7f0ae1a10000-7f0ae1a5f000 r--p 00000000 08:01 368343
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSansMono.ttf

7f0ae1a5f000-7f0ae1af7000 r--p 00000000 08:01 368341
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSans.ttf

7f0ae1af7000-7f0ae1b48000 r--p 00000000 08:01 368345
/usr/share/fonts/truetype/ttf-dejavu/DejaVuSerif.ttf

7f0ae1b48000-7f0ae1b4c000 r-xp 00000000 08:01 391788
/usr/lib/kde4/plugins/imageformats/kimg_xview.so

7f0ae1b4c000-7f0ae1d4b000 ---p 00004000 08:01 391788
/usr/lib/kde4/plugins/imageformats/kimg_xview.so

7f0ae1d4b000-7f0ae1d4c000 r--p 00003000 08:01 391788
/usr/lib/kde4/plugins/imageformats/kimg_xview.so

7f0ae1d4c000-7f0ae1d4d000 rw-p 00004000 08:01 391788
/usr/lib/kde4/plugins/imageformats/kimg_xview.so
7f0ae1d4d000-7f0ae1d5d000 r-xp 00000000 08:01 391787
/usr/lib/kde4/plugins/imageformats/kimg_xcf.so
7f0ae1d5d000-7f0ae1f5c000 ---p 00010000 08:01 391787
/usr/lib/kde4/plugins/imageformats/kimg_xcf.so
7f0ae1f5c000-7f0ae1f5d000 r--p 0000f000 08:01 391787
/usr/lib/kde4/plugins/imageformats/kimg_xcf.so
7f0ae1f5d000-7f0ae1f5e000 rw-p 00010000 08:01 391787
/usr/lib/kde4/plugins/imageformats/kimg_xcf.so
7f0ae1f5e000-7f0ae1f62000 rw-p 7f0ae1f5e000 00:00 0
7f0ae1f62000-7f0ae1f68000 r-xp 00000000 08:01 391786
/usr/lib/kde4/plugins/imageformats/kimg_tga.so
7f0ae1f68000-7f0ae2167000 ---p 00006000 08:01 391786
/usr/lib/kde4/plugins/imageformats/kimg_tga.so
7f0ae2167000-7f0ae2168000 r--p 00005000 08:01 391786
/usr/lib/kde4/plugins/imageformats/kimg_tga.so
7f0ae2168000-7f0ae2169000 rw-p 00006000 08:01 391786
/usr/lib/kde4/plugins/imageformats/kimg_tga.so
7f0ae2169000-7f0ae2173000 r-xp 00000000 08:01 391785
/usr/lib/kde4/plugins/imageformats/kimg_rgb.so
7f0ae2173000-7f0ae2373000 ---p 0000a000 08:01 391785
/usr/lib/kde4/plugins/imageformats/kimg_rgb.so
7f0ae2373000-7f0ae2374000 r--p 0000a000 08:01 391785
/usr/lib/kde4/plugins/imageformats/kimg_rgb.so
7f0ae2374000-7f0ae2375000 rw-p 0000b000 08:01 391785
/usr/lib/kde4/plugins/imageformats/kimg_rgb.so
7f0ae2375000-7f0ae237a000 r-xp 00000000 08:01 391784
/usr/lib/kde4/plugins/imageformats/kimg_psd.so
7f0ae237a000-7f0ae2579000 ---p 00005000 08:01 391784
/usr/lib/kde4/plugins/imageformats/kimg_psd.so
7f0ae2579000-7f0ae257a000 r--p 00004000 08:01 391784
/usr/lib/kde4/plugins/imageformats/kimg_psd.so
7f0ae257a000-7f0ae257b000 rw-p 00005000 08:01 391784
/usr/lib/kde4/plugins/imageformats/kimg_psd.so
7f0ae257b000-7f0ae2584000 r-xp 00000000 08:01 391783
/usr/lib/kde4/plugins/imageformats/kimg_pcx.so
7f0ae2584000-7f0ae2783000 ---p 00009000 08:01 391783
/usr/lib/kde4/plugins/imageformats/kimg_pcx.so
7f0ae2783000-7f0ae2784000 r--p 00008000 08:01 391783
/usr/lib/kde4/plugins/imageformats/kimg_pcx.so
7f0ae2784000-7f0ae2785000 rw-p 00009000 08:01 391783
/usr/lib/kde4/plugins/imageformats/kimg_pcx.so
7f0ae2785000-7f0ae27d1000 r-xp 00000000 08:01 330257
/usr/lib/libjasper.so.1.0.0
7f0ae27d1000-7f0ae29d1000 ---p 0004c000 08:01 330257
/usr/lib/libjasper.so.1.0.0
7f0ae29d1000-7f0ae29d2000 r--p 0004c000 08:01 330257
/usr/lib/libjasper.so.1.0.0
7f0ae29d2000-7f0ae29d6000 rw-p 0004d00Aborted

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