==@@== Again I tried it with Windows2000 guest. ==@@== I used the newest SVN version of VirtualBox 1.5.51_OSE r5220 (checked out this evening). ==@@== In the Windows guest I only worked a bit with my favourite editor (http://www.vedit.com), mostly some fast typing. ==@@== After 20 seconds or so the guest aborted. The GUI still seems to be o.k., so I exited it. ==@@== Back then in gdb I tried to gather some infos. ==@@== First the terminal session with VBoxSVC [chris@lx2 bin]$ ulimit -c unlimited [chris@lx2 bin]$ export VBOX_ASSERT=0 [chris@lx2 bin]$ LD_LIBRARY_PATH=. gdb ./VBoxSVC GNU gdb Red Hat Linux (6.6-15.fc7rh) Copyright (C) 2006 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux-gnu"... Using host libthread_db library "/lib/libthread_db.so.1". (gdb) run Starting program: /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxSVC [Thread debugging using libthread_db enabled] [New Thread -1208387888 (LWP 13688)] [New Thread -1210487920 (LWP 13691)] [Thread -1210487920 (LWP 13691) exited] Type Manifest File: /home/chris/.VirtualBox/xpti.dat [New Thread -1210655856 (LWP 13692)] [Detaching after fork from child process 13693. (Try `set detach-on-fork off'.)] [New Thread -1221145712 (LWP 13695)] ###!!! ASSERTION: bad call: '!gMemory', file /home/chris/sw/VB/src/libs/xpcom18a4/xpcom/glue/ns Memory.cpp, line 66 Break: at file /home/chris/sw/VB/src/libs/xpcom18a4/xpcom/glue/nsMemory.cpp, line 66 [New Thread -1231635568 (LWP 13696)] nsNativeComponentLoader: autoregistering begins. [Thread -1231635568 (LWP 13696) exited] *** Registering VirtualBox_Client_Module components (all right -- a generic module!) *** Registering VirtualBox_Server_Module components (all right -- a generic module!) nsNativeComponentLoader: autoregistering succeeded nNCL: registering deferred (0) nsNativeComponentLoader: autoregistering begins. nsNativeComponentLoader: autoregistering succeeded nNCL: registering deferred (0) [New Thread -1242125424 (LWP 13698)] ************************************************** innotek VirtualBox XPCOM Server Version 1.5.51_OSE (C) 2004-2007 innotek GmbH All rights reserved. Debug version. Starting event loop.... [press Ctrl-C to quit] [New Thread -1242653808 (LWP 13710)] [New Thread -1253143664 (LWP 13711)] [New Thread -1253672048 (LWP 13712)] Informational: VirtualBox object created (rc=00000000). [New Thread -1254200432 (LWP 13713)] [Detaching after fork from child process 13715.] Type Manifest File: /home/chris/.VirtualBox/xpti.dat nsNativeComponentLoader: autoregistering begins. nsNativeComponentLoader: autoregistering succeeded nNCL: registering deferred (0) WARNING: failed to send RELEASE event, file /home/chris/sw/VB/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp, line 1704 WARNING: failed to send RELEASE event, file /home/chris/sw/VB/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp, line 1704 WARNING: failed to send RELEASE event, file /home/chris/sw/VB/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp, line 1704 [Thread -1253672048 (LWP 13712) exited] [Thread -1253143664 (LWP 13711) exited] Informational: VirtualBox object deleted. [New Thread -1253143664 (LWP 14354)] [New Thread -1253672048 (LWP 14355)] Informational: VirtualBox object created (rc=00000000). [Detaching after fork from child process 14357.] Type Manifest File: /home/chris/.VirtualBox/xpti.dat nsNativeComponentLoader: autoregistering begins. nsNativeComponentLoader: autoregistering succeeded nNCL: registering deferred (0) *** glibc detected *** /home/chris/sw/VB/out/linux.x86/debug/bin/VirtualBox: malloc(): memory c orruption (fast): 0x093d49a7 *** ======= Backtrace: ========= /lib/libc.so.6[0x2815bdc] /lib/libc.so.6(__libc_malloc+0x7e)[0x2816ebe] /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN7QGArrayC2Ei+0x85)[0x34f6105] /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN7QRegionC1ERK5QRectNS_10RegionTypeE+0x1ab)[0x315417b] /usr/lib/qt-3.3/lib/libqt-mt.so.3(_ZN7QWidget6updateEiiii+0xa9)[0x315bad9] /home/chris/sw/VB/out/linux.x86/debug/bin/VirtualBox[0x8166e4d] /home/chris/sw/VB/out/linux.x86/debug/bin//components/VBoxC.so[0x5e73169] /home/chris/sw/VB/out/linux.x86/debug/bin//components/VBoxC.so[0x5e734e0] /home/chris/sw/VB/out/linux.x86/debug/bin//components/VBoxC.so[0x5e7391a] /home/chris/sw/VB/out/linux.x86/debug/bin//components/VBoxC.so[0x5e7470e] /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxDD.so[0x66b0a56] /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxVMM.so[0x2b839f] /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxVMM.so(TMR3TimerQueuesDo+0x47d)[0x2b898d] /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxVMM.so[0x2a80cf] /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxVMM.so(VMR3WaitHalted+0x25a)[0x2a9e7c] /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxVMM.so(EMR3ExecuteVM+0x13cb)[0x3184b5] /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxVMM.so[0x2aa54e] /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxRT.so[0x1735c7] /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxRT.so[0x1854a0] /lib/libpthread.so.0[0x2d0244b] /lib/libc.so.6(clone+0x5e)[0x287d80e] ======= Memory map: ======== 00110000-00111000 r-xp 00110000 00:00 0 [vdso] 00111000-00118000 r-xp 00000000 08:0a 4953420 /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxKeyboard.so 00118000-00119000 rwxp 00006000 08:0a 4953420 /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxKeyboard.so 00119000-001c5000 r-xp 00000000 08:0a 4952447 /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxRT.so 001c5000-001c6000 rwxp 000ab000 08:0a 4952447 /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxRT.so 001c6000-001c8000 rwxp 001c6000 00:00 0 001c8000-0042e000 r-xp 00000000 08:0a 4952461 /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxVMM.so 0042e000-00430000 rwxp 00265000 08:0a 4952461 /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxVMM.so 00430000-0043f000 r-xp 00000000 08:0a 7349562 /usr/lib/libXext.so.6.4.0 0043f000-00440000 rwxp 0000e000 08:0a 7349562 /usr/lib/libXext.so.6.4.0 00440000-0053e000 r-xp 00000000 08:0a 7344976 /usr/lib/libX11.so.6.2.0 0053e000-00542000 rwxp 000fe000 08:0a 7344976 /usr/lib/libX11.so.6.2.0 00542000-0055d000 r-xp 00000000 08:0a 1572889 /lib/ld-2.6.so 0055d000-0055e000 r-xp 0001a000 08:0a 1572889 /lib/ld-2.6.so 0055e000-0055f000 rwxp 0001b000 08:0a 1572889 /lib/ld-2.6.so 0055f000-005fc000 r-xp 00000000 08:0a 4953435 /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxREM.so 005fc000-00601000 rwxp 0009c000 08:0a 4953435 /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxREM.so 00601000-00e23000 rwxp 00601000 00:00 0 00e23000-01e24000 rwxp 00e23000 00:00 0 01e24000-01e28000 rwxp 01e24000 00:00 0 01e28000-01e4f000 r-xp 00000000 08:0a 1572980 /lib/libm-2.6.so 01e4f000-01e50000 r-xp 00026000 08:0a 1572980 /lib/libm-2.6.so 01e50000-01e51000 rwxp 00027000 08:0a 1572980 /lib/libm-2.6.so 01e51000-01e5c000 r-xp 00000000 08:0a 1573019 /lib/libgcc_s-4.1.2-20070925.so.1 01e5c000-01e5d000 rwxp 0000a000 08:0a 1573019 /lib/libgcc_s-4.1.2-20070925.so.1 01e5d000-01e66000 r-xp 00000000 08:0a 7351581 /usr/lib/libXcursor.so.1.0.2 01e66000-01e67000 rwxp 00008000 08:0a 7351581 /usr/lib/libXcursor.so.1.0.2 01e67000-01e6e000 r-xp 00000000 08:0a 1573228 /lib/librt-2.6.so 01e6e000-01e6f000 r-xp 00006000 08:0a 1573228 /lib/librt-2.6.so 01e6f000-01e70000 rwxp 00007000 08:0a 1573228 /lib/librt-2.6.so 01e70000-01e73000 r-xp 00000000 08:0a 1572921 /lib/libdl-2.6.so 01e73000-01e74000 r-xp 00002000 08:0a 1572921 /lib/libdl-2.6.so 01e74000-01e75000 rwxp 00003000 08:0a 1572921 /lib/libdl-2.6.so 01e75000-01edd000 r-xp 00000000 08:0a 7367417 /usr/lib/libmng.so.1.0.0 01edd000-01ee0000 rwxp 00067000 08:0a 7367417 /usr/lib/libmng.so.1.0.0 01ee0000-01f01000 r-xp 00000000 08:0a 7362349 /usr/lib/libjpeg.so.62.0.0 01f01000-01f02000 rwxp 00020000 08:0a 7362349 /usr/lib/libjpeg.so.62.0.0 01f02000-01f27000 r-xp 00000000 08:0a 7341222 /usr/lib/libpng12.so.0.16.0 01f27000-01f28000 rwxp 00024000 08:0a 7341222 /usr/lib/libpng12.so.0.16.0 01f28000-01f3a000 r-xp 00000000 08:0a 1572977 /lib/libz.so.1.2.3 01f3a000-01f3b000 rwxp 00011000 08:0a 1572977 /lib/libz.so.1.2.3 01f3b000-01f43000 r-xp 00000000 08:0a 7350326 /usr/lib/libXi.so.6.0.0 01f43000-01f44000 rwxp 00007000 08:0a 7350326 /usr/lib/libXi.so.6.0.0 01f44000-01f4c000 r-xp 00000000 08:0a 7347896 /usr/lib/libXrender.so.1.3.0 01f4c000-01f4d000 rwxp 00007000 08:0a 7347896 /usr/lib/libXrender.so.1.3.0 01f4d000-01f53000 r-xp 00000000 08:0a 7343872 /usr/lib/libXrandr.so.2.1.0 01f53000-01f54000 rwxp 00005000 08:0a 7343872 /usr/lib/libXrandr.so.2.1.0 01f54000-01f56000 r-xp 00000000 08:0a 7349984 /usr/lib/libXinerama.so.1.0.0 01f56000-01f57000 rwxp 00001000 08:0a 7349984 /usr/lib/libXinerama.so.1.0.0 01f57000-01f69000 r-xp 00000000 08:0a 7368339 /usr/lib/libXft.so.2.1.2 01f69000-01f6a000 rwxp 00012000 08:0a 7368339 /usr/lib/libXft.so.2.1.2 01f6a000-01f72000 r-xp 00000000 08:0a 7358323 /usr/lib/libSM.so.6.0.0 01f72000-01f73000 rwxp 00007000 08:0a 7358323 /usr/lib/libSM.so.6.0.0 01f73000-01f8a000 r-xp 00000000 08:0a 7353969 /usr/lib/libICE.so.6.3.0 01f8a000-01f8b000 rwxp 00016000 08:0a 7353969 /usr/lib/libICE.so.6.3.0 01f8b000-01f8d000 rwxp 01f8b000 00:00 0 01f8d000-01f92000 r-xp 00000000 08:0a 7344975 /usr/lib/libXdmcp.so.6.0.0 01f92000-01f93000 rwxp 00004000 08:0a 7344975 /usr/lib/libXdmcp.so.6.0.0 01f93000-01f94000 rwxp 01f93000 00:00 0 01f94000-01f98000 r-xp 00000000 08:0a 4953387 /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxSVCM.so 01f98000-01f99000 rwxp 00003000 08:0a 4953387 /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxSVCM.so 01f99000-01f9a000 rwxp 01f99000 00:00 0 01f9a000-01f9b000 rwxs 00000000 00:09 32487 /dev/zero (deleted) 01f9b000-01f9c000 rwxs 00000000 00:09 32488 /dev/zero (deleted) 01f9c000-01f9d000 rwxs 00000000 00:09 32489 /dev/zero (deleted) 01f9d000-01fa0000 rwxs 0WARNING: failed to send RELEASE event, file /home/chris/sw/VB/src/libs/ xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp, line 1704 WARNING: failed to send RELEASE event, file /home/chris/sw/VB/src/libs/xpcom18a4/ipc/ipcd/exten sions/dconnect/src/ipcDConnectService.cpp, line 1704 WARNING: failed to send RELEASE event, file /home/chris/sw/VB/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp, line 1704 [Thread -1253672048 (LWP 14355) exited] [Thread -1253143664 (LWP 14354) exited] Informational: VirtualBox object deleted. Program received signal SIGINT, Interrupt. [Switching to Thread -1208387888 (LWP 13688)] 0x00110402 in __kernel_vsyscall () ==@@== As Frank suggested I looked at the threads now: (gdb) info threads 10 Thread -1254200432 (LWP 13713) 0x00110402 in __kernel_vsyscall () 7 Thread -1242653808 (LWP 13710) 0x00110402 in __kernel_vsyscall () 6 Thread -1242125424 (LWP 13698) 0x00110402 in __kernel_vsyscall () 4 Thread -1221145712 (LWP 13695) 0x00110402 in __kernel_vsyscall () 3 Thread -1210655856 (LWP 13692) 0x00110402 in __kernel_vsyscall () * 1 Thread -1208387888 (LWP 13688) 0x00110402 in __kernel_vsyscall () (gdb) thread 1 [Switching to thread 1 (Thread -1208387888 (LWP 13688))]#0 0x00110402 in __kernel_vsyscall () (gdb) bt #0 0x00110402 in __kernel_vsyscall () #1 0x0082a206 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x002ea0c2 in PR_WaitCondVar (cvar=0x9049150, timeout=4294967295) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #3 0x002ea841 in PR_Wait (mon=0x9049190, timeout=4294967295) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #4 0x002cd4d2 in PL_WaitForEvent (self=0x9049120) at /home/chris/sw/VB/src/libs/xpcom18a4/xpcom/threads/plevent.c:815 #5 0x002c9390 in nsEventQueueImpl::WaitForEvent (this=0x904e0e8, aResult=0xbfcf0990) at /home/chris/sw/VB/src/libs/xpcom18a4/xpcom/threads/nsEventQueue.cpp:472 #6 0x08140791 in main (argc=1, argv=0xbfcf0a84) at /home/chris/sw/VB/src/VBox/Main/linux/server.cpp:1218 (gdb) thread 3 [Switching to thread 3 (Thread -1210655856 (LWP 13692))]#0 0x00110402 in __kernel_vsyscall () (gdb) bt #0 0x00110402 in __kernel_vsyscall () #1 0x00627a43 in poll () from /lib/libc.so.6 #2 0x002f0023 in _pr_poll_with_poll (pds=0xb7d6d368, npds=1, timeout=4294967295) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptio.c:3905 #3 0x002f0251 in PR_Poll (pds=0xb7d6d368, npds=1, timeout=4294967295) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptio.c:4307 #4 0x002f31b1 in WaitPidDaemonThread (unused=0x0) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/md/unix/uxproces.c:712 #5 0x002e74c5 in _pt_root (arg=0x9048598) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:217 #6 0x0082644b in start_thread () from /lib/libpthread.so.0 #7 0x0063180e in clone () from /lib/libc.so.6 (gdb) thread 4 [Switching to thread 4 (Thread -1221145712 (LWP 13695))]#0 0x00110402 in __kernel_vsyscall () (gdb) bt #0 0x00110402 in __kernel_vsyscall () #1 0x00627a43 in poll () from /lib/libc.so.6 #2 0x002f0023 in _pr_poll_with_poll (pds=0x904e264, npds=2, timeout=4294967295) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptio.c:3905 #3 0x002f0251 in PR_Poll (pds=0x904e264, npds=2, timeout=4294967295) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptio.c:4307 #4 0x0039f211 in ConnThread (arg=0x904e260) at /home/chris/sw/VB/src/libs/xpcom18a4/ipc/ipcd/client/src/ipcConnectionUnix.cpp:336 #5 0x002e74c5 in _pt_root (arg=0x9048960) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:217 #6 0x0082644b in start_thread () from /lib/libpthread.so.0 #7 0x0063180e in clone () from /lib/libc.so.6 (gdb) thread 6 [Switching to thread 6 (Thread -1242125424 (LWP 13698))]#0 0x00110402 in __kernel_vsyscall () (gdb) bt #0 0x00110402 in __kernel_vsyscall () #1 0x0082a206 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x001bea8e in rtSemEventWait (EventSem=0x904b738, cMillies=4294967295, fAutoResume=true) at /home/chris/sw/VB/src/VBox/Runtime/r3/posix/sems-posix.cpp:352 #3 0x001bef3c in RTSemEventWait (EventSem=0x904b738, cMillies=4294967295) at /home/chris/sw/VB/src/VBox/Runtime/r3/posix/sems-posix.cpp:440 #4 0x001bace1 in rttimerThread (Thread=0x904b790, pvArg=0x9030710) at /home/chris/sw/VB/src/VBox/Runtime/r3/posix/timer-posix.cpp:151 #5 0x001a75c7 in rtThreadMain (pThread=0x904b790, NativeThread=3052841872, pszThreadName=0x904b7e4 "Timer") at /home/chris/sw/VB/src/VBox/Runtime/thread.cpp:591 #6 0x001b94a0 in rtThreadNativeMain (pvArgs=0x904b790) at /home/chris/sw/VB/src/VBox/Runtime/r3/posix/thread-posix.cpp:135 #7 0x0082644b in start_thread () from /lib/libpthread.so.0 #8 0x0063180e in clone () from /lib/libc.so.6 (gdb) thread 7 [Switching to thread 7 (Thread -1242653808 (LWP 13710))]#0 0x00110402 in __kernel_vsyscall () (gdb) bt #0 0x00110402 in __kernel_vsyscall () #1 0x0082a206 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x002ea0c2 in PR_WaitCondVar (cvar=0x904a038, timeout=4294967295) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #3 0x002ea841 in PR_Wait (mon=0x904a4b0, timeout=4294967295) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #4 0x00390073 in nsAutoMonitor::Wait (this=0xb5ee9330, interval=4294967295) at xpcom/threads/nsAutoLock.h:286 #5 0x003985ef in DConnectWorker::Run (this=0x904ba48) at /home/chris/sw/VB/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2283 #6 0x002c5cf7 in nsThread::Main (arg=0x9051800) at /home/chris/sw/VB/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #7 0x002e74c5 in _pt_root (arg=0x904aba8) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:217 #8 0x0082644b in start_thread () from /lib/libpthread.so.0 #9 0x0063180e in clone () from /lib/libc.so.6 (gdb) thread 10 [Switching to thread 10 (Thread -1254200432 (LWP 13713))]#0 0x00110402 in __kernel_vsyscall () (gdb) bt #0 0x00110402 in __kernel_vsyscall () #1 0x0082a206 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #2 0x002ea0c2 in PR_WaitCondVar (cvar=0x904a038, timeout=4294967295) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #3 0x002ea841 in PR_Wait (mon=0x904a4b0, timeout=4294967295) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #4 0x00390073 in nsAutoMonitor::Wait (this=0xb53e6330, interval=4294967295) at xpcom/threads/nsAutoLock.h:286 #5 0x003985ef in DConnectWorker::Run (this=0x9056ae0) at /home/chris/sw/VB/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2283 #6 0x002c5cf7 in nsThread::Main (arg=0x9052a70) at /home/chris/sw/VB/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #7 0x002e74c5 in _pt_root (arg=0x90a1898) at /home/chris/sw/VB/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:217 #8 0x0082644b in start_thread () from /lib/libpthread.so.0 #9 0x0063180e in clone () from /lib/libc.so.6 (gdb) q The program is running. Exit anyway? (y or n) n Not confirmed. (gdb) kill Kill the program being debugged? (y or n) y (gdb) q ==@@== *********************************************************************************************** ==@@== Terminal session with VirtualBox [chris@lx2 bin]$ ulimit -c unlimited [chris@lx2 bin]$ export VBOX_ASSERT=0 [chris@lx2 bin]$ LD_LIBRARY_PATH=. gdb ./VirtualBox GNU gdb Red Hat Linux (6.6-15.fc7rh) Copyright (C) 2006 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux-gnu"... Using host libthread_db library "/lib/libthread_db.so.1". (gdb) run Starting program: /home/chris/sw/VB/out/linux.x86/debug/bin/VirtualBox [Thread debugging using libthread_db enabled] [New Thread -1208730832 (LWP 14348)] [New Thread -1210836080 (LWP 14351)] [Thread -1210836080 (LWP 14351) exited] Type Manifest File: /home/chris/.VirtualBox/xpti.dat [New Thread -1211679856 (LWP 14352)] [New Thread -1222169712 (LWP 14353)] nsNativeComponentLoader: autoregistering begins. nsNativeComponentLoader: autoregistering succeeded nNCL: registering deferred (0) [New Thread -1232942192 (LWP 14356)] [Thread -1232942192 (LWP 14356) exited] ipcDConnectService Stats [Thread -1222169712 (LWP 14353) exited] => number of worker threads: 1 [Thread -1211679856 (LWP 14352) exited] nsStringStats => mAllocCount: 86 => mReallocCount: 26 => mFreeCount: 86 => mShareCount: 122 => mAdoptCount: 11 => mAdoptFreeCount: 11 Program exited normally. (gdb) info threads No registers. (gdb) q ==@@== The GUI exited normally. ==@@== Since there are no threads here I tried to have a look at the core dump. [chris@lx2 bin]$ ls -ltr -rw------- 1 chris chris 586543104 11. Okt 19:24 core.14357 [chris@lx2 bin]$ gdb VirtualBox core.14357 GNU gdb Red Hat Linux (6.6-15.fc7rh) Copyright (C) 2006 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-redhat-linux-gnu"... Using host libthread_db library "/lib/libthread_db.so.1". warning: Can't read pathname for load map: Input/output error. Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxKeyboard.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxKeyboard.so Reading symbols from /usr/lib/qt-3.3/lib/libqt-mt.so.3...done. Loaded symbols for /usr/lib/qt-3.3/lib/libqt-mt.so.3 Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxRT.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxRT.so Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxREM.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxREM.so Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxVMM.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxVMM.so Reading symbols from /usr/lib/libXext.so.6...done. Loaded symbols for /usr/lib/libXext.so.6 Reading symbols from /usr/lib/libX11.so.6...done. Loaded symbols for /usr/lib/libX11.so.6 Reading symbols from /lib/libpthread.so.0...done. Loaded symbols for /lib/libpthread.so.0 Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxXPCOM.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxXPCOM.so Reading symbols from /usr/lib/libSDL-1.2.so.0...done. Loaded symbols for /usr/lib/libSDL-1.2.so.0 Reading symbols from /usr/lib/libstdc++.so.6...done. Loaded symbols for /usr/lib/libstdc++.so.6 Reading symbols from /lib/libm.so.6...done. Loaded symbols for /lib/libm.so.6 Reading symbols from /lib/libgcc_s.so.1...done. Loaded symbols for /lib/libgcc_s.so.1 Reading symbols from /lib/libc.so.6...done. Loaded symbols for /lib/libc.so.6 Reading symbols from /usr/lib/libXcursor.so.1...done. Loaded symbols for /usr/lib/libXcursor.so.1 Reading symbols from /lib/librt.so.1...done. Loaded symbols for /lib/librt.so.1 Reading symbols from /lib/libdl.so.2...done. Loaded symbols for /lib/libdl.so.2 Reading symbols from /usr/lib/libmng.so.1...done. Loaded symbols for /usr/lib/libmng.so.1 Reading symbols from /usr/lib/libjpeg.so.62...done. Loaded symbols for /usr/lib/libjpeg.so.62 Reading symbols from /usr/lib/libpng12.so.0...done. Loaded symbols for /usr/lib/libpng12.so.0 Reading symbols from /lib/libz.so.1...done. Loaded symbols for /lib/libz.so.1 Reading symbols from /usr/lib/libXi.so.6...done. Loaded symbols for /usr/lib/libXi.so.6 Reading symbols from /usr/lib/libXrender.so.1...done. Loaded symbols for /usr/lib/libXrender.so.1 Reading symbols from /usr/lib/libXrandr.so.2...done. Loaded symbols for /usr/lib/libXrandr.so.2 Reading symbols from /usr/lib/libXinerama.so.1...done. Loaded symbols for /usr/lib/libXinerama.so.1 Reading symbols from /usr/lib/libXft.so.2...done. Loaded symbols for /usr/lib/libXft.so.2 Reading symbols from /usr/lib/libfreetype.so.6...done. Loaded symbols for /usr/lib/libfreetype.so.6 Reading symbols from /usr/lib/libfontconfig.so.1...done. Loaded symbols for /usr/lib/libfontconfig.so.1 Reading symbols from /usr/lib/libSM.so.6...done. Loaded symbols for /usr/lib/libSM.so.6 Reading symbols from /usr/lib/libICE.so.6...done. Loaded symbols for /usr/lib/libICE.so.6 Reading symbols from /lib/libutil.so.1...done. Loaded symbols for /lib/libutil.so.1 Reading symbols from /usr/lib/libXau.so.6...done. Loaded symbols for /usr/lib/libXau.so.6 Reading symbols from /usr/lib/libXdmcp.so.6...done. Loaded symbols for /usr/lib/libXdmcp.so.6 Reading symbols from /lib/ld-linux.so.2...done. Loaded symbols for /lib/ld-linux.so.2 Reading symbols from /usr/lib/libXfixes.so.3...done. Loaded symbols for /usr/lib/libXfixes.so.3 Reading symbols from /usr/lib/liblcms.so.1...done. Loaded symbols for /usr/lib/liblcms.so.1 Reading symbols from /lib/libexpat.so.0...done. Loaded symbols for /lib/libexpat.so.0 Reading symbols from /usr/lib/kde3/plugins/styles/plastik.so...done. Loaded symbols for /usr/lib/kde3/plugins/styles/plastik.so Reading symbols from /usr/lib/libkdefx.so.4...done. Loaded symbols for /usr/lib/libkdefx.so.4 Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/components/VBoxXPCOMIPCC.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin//components/VBoxXPCOMIPCC.so Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/components/VBoxSVCM.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin//components/VBoxSVCM.so Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/components/VBoxC.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin//components/VBoxC.so Reading symbols from /lib/libnss_files.so.2...done. Loaded symbols for /lib/libnss_files.so.2 Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxDD.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxDD.so Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxDDU.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxDDU.so Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxDD2.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxDD2.so Reading symbols from /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxSharedFolders.so...done. Loaded symbols for /home/chris/sw/VB/out/linux.x86/debug/bin/VBoxSharedFolders.so Reading symbols from /lib/libnss_dns.so.2...done. Loaded symbols for /lib/libnss_dns.so.2 Reading symbols from /lib/libresolv.so.2...done. Loaded symbols for /lib/libresolv.so.2 Core was generated by `/home/chris/sw/VB/out/linux.x86/debug/bin/VirtualBox -comment vwin1 -startvm 9c'. Program terminated with signal 6, Aborted. #0 0x00110402 in __kernel_vsyscall () (gdb) bt #0 0x00110402 in __kernel_vsyscall () #1 0x027d5fa0 in raise () from /lib/libc.so.6 #2 0x027d78b1 in abort () from /lib/libc.so.6 #3 0x0280cd6b in __libc_message () from /lib/libc.so.6 #4 0x02815bdc in _int_malloc () from /lib/libc.so.6 #5 0x02816ebe in malloc () from /lib/libc.so.6 #6 0x034f6105 in QGArray::QGArray$base () from /usr/lib/qt-3.3/lib/libqt-mt.so.3 #7 0x0315417b in QRegion::QRegion () from /usr/lib/qt-3.3/lib/libqt-mt.so.3 #8 0x0315bad9 in QWidget::update () from /usr/lib/qt-3.3/lib/libqt-mt.so.3 #9 0x08166e4d in VBoxSDLFrameBuffer::NotifyUpdate (this=0x8e9ca50, aX=163, aY=585, aW=6, aH=16, aFinished=0xb62f0ab0) at /home/chris/sw/VB/src/VBox/Frontends/VirtualBox/src/VBoxFrameBuffer.cpp:486 #10 0x05e73169 in Display::handleDisplayUpdate (this=0x8f685f8, x=163, y=585, w=6, h=16) at /home/chris/sw/VB/src/VBox/Main/DisplayImpl.cpp:498 #11 0x05e734e0 in vbvaRgnDirtyRect (prgn=0xb62f0b78, uScreenId=0, phdr=0xb52cd70c) at /home/chris/sw/VB/src/VBox/Main/DisplayImpl.cpp:613 #12 0x05e7391a in Display::VideoAccelFlush (this=0x8f685f8) at /home/chris/sw/VB/src/VBox/Main/DisplayImpl.cpp:1210 #13 0x05e7470e in Display::displayRefreshCallback (pInterface=0xb64efebc) at /home/chris/sw/VB/src/VBox/Main/DisplayImpl.cpp:2076 #14 0x066b0a56 in vgaTimerRefresh (pDevIns=0xb52a9000, pTimer=0xb60cba50) at /home/chris/sw/VB/src/VBox/Devices/Graphics/DevVGA.cpp:4080 #15 0x002b839f in tmR3TimerQueueRun (pVM=0xb7f1a000, pQueue=0xb60b3a50) at /home/chris/sw/VB/src/VBox/VMM/TM.cpp:1349 #16 0x002b898d in TMR3TimerQueuesDo (pVM=0xb7f1a000) at /home/chris/sw/VB/src/VBox/VMM/TM.cpp:1275 #17 0x002a80cf in vmR3HaltGlobal1Halt (pVM=0xb7f1a000, fMask=1823, u64Now=6251316692487) at /home/chris/sw/VB/src/VBox/VMM/VMEmt.cpp:608 #18 0x002a9e7c in VMR3WaitHalted (pVM=0xb7f1a000, fIgnoreInterrupts=false) at /home/chris/sw/VB/src/VBox/VMM/VMEmt.cpp:876 #19 0x003184b5 in EMR3ExecuteVM (pVM=0xb7f1a000) at /home/chris/sw/VB/src/VBox/VMM/EM.cpp:3383 #20 0x002aa54e in vmR3EmulationThread (ThreadSelf=0xb6406430, pvArgs=0xb666df98) at /home/chris/sw/VB/src/VBox/VMM/VMEmt.cpp:139 #21 0x001735c7 in rtThreadMain (pThread=0xb6406430, NativeThread=3056540560, pszThreadName=0xb6406484 "EMT") at /home/chris/sw/VB/src/VBox/Runtime/thread.cpp:591 #22 0x001854a0 in rtThreadNativeMain (pvArgs=0xb6406430) at /home/chris/sw/VB/src/VBox/Runtime/r3/posix/thread-posix.cpp:135 #23 0x02d0244b in start_thread () from /lib/libpthread.so.0 #24 0x0287d80e in clone () from /lib/libc.so.6 (gdb) q [chris@lx2 bin]$