Re: [fluid-dev] Subversion checkins

[David Hilvert]

On Mon, 17 Sep 2007 23:15:13 -0500
David Hilvert <address@hidden> wrote:

> After many trials with valgrind, I finally got a segfault.  It's not
> immediately clear whether the output has any interesting data in it.  I'll
> append a failing run here, and a successful run in a follow-up post.

The successful run:

==22566== Memcheck, a memory error detector.
==22566== Copyright (C) 2002-2007, and GNU GPL'd, by Julian Seward et al.
==22566== Using LibVEX rev 1732, a library for dynamic binary translation.
==22566== Copyright (C) 2004-2007, and GNU GPL'd, by OpenWorks LLP.
==22566== Using valgrind-3.2.3-Debian, a dynamic binary instrumentation 
framework.
==22566== Copyright (C) 2000-2007, and GNU GPL'd, by Julian Seward et al.
==22566== For more details, rerun with: -v
==22566== 
==22566== Invalid read of size 4
==22566==    at 0x4016A28: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==    by 0x4B52613: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B51B40: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B52257: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B4A730: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B49256: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B48EB0: iconv_open (in /lib/libc-2.6.1.so)
==22566==  Address 0x514BBE0 is 48 bytes inside a block of size 49 alloc'd
==22566==    at 0x4024765: malloc (vg_replace_malloc.c:149)
==22566==    by 0x4B52707: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B51B40: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B52257: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B4A730: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B49256: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B48EB0: iconv_open (in /lib/libc-2.6.1.so)
==22566==    by 0x49C2F12: (within /usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49C340A: (within /usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49BDDD8: QTextCodec::fromUnicode(QString const&) const (in 
/usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49190E5: QString::toLocal8Bit() const (in 
/usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x493196E: (within /usr/lib/libQtCore.so.4.3.0)
==22566== 
==22566== Invalid read of size 4
==22566==    at 0x4016A28: (within /lib/ld-2.6.1.so)
==22566==    by 0x40085F9: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012537: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==    by 0x4B52613: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B51B40: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B52257: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B4A730: (within /lib/libc-2.6.1.so)
==22566==  Address 0x514BBE0 is 48 bytes inside a block of size 49 alloc'd
==22566==    at 0x4024765: malloc (vg_replace_malloc.c:149)
==22566==    by 0x4B52707: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B51B40: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B52257: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B4A730: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B49256: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B48EB0: iconv_open (in /lib/libc-2.6.1.so)
==22566==    by 0x49C2F12: (within /usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49C340A: (within /usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49BDDD8: QTextCodec::fromUnicode(QString const&) const (in 
/usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49190E5: QString::toLocal8Bit() const (in 
/usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x493196E: (within /usr/lib/libQtCore.so.4.3.0)
==22566== 
==22566== Invalid read of size 4
==22566==    at 0x4016B80: (within /lib/ld-2.6.1.so)
==22566==    by 0x40085F9: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012537: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==    by 0x4B52613: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B51B40: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B52257: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B4A730: (within /lib/libc-2.6.1.so)
==22566==  Address 0x514BBE0 is 48 bytes inside a block of size 49 alloc'd
==22566==    at 0x4024765: malloc (vg_replace_malloc.c:149)
==22566==    by 0x4B52707: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B51B40: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B52257: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B4A730: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B49256: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B48EB0: iconv_open (in /lib/libc-2.6.1.so)
==22566==    by 0x49C2F12: (within /usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49C340A: (within /usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49BDDD8: QTextCodec::fromUnicode(QString const&) const (in 
/usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49190E5: QString::toLocal8Bit() const (in 
/usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x493196E: (within /usr/lib/libQtCore.so.4.3.0)
==22566== 
==22566== Invalid read of size 4
==22566==    at 0x4016B80: (within /lib/ld-2.6.1.so)
==22566==    by 0x4006084: (within /lib/ld-2.6.1.so)
==22566==    by 0x40086B7: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012537: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==    by 0x4B52613: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B51B40: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B52257: (within /lib/libc-2.6.1.so)
==22566==  Address 0x514BBE0 is 48 bytes inside a block of size 49 alloc'd
==22566==    at 0x4024765: malloc (vg_replace_malloc.c:149)
==22566==    by 0x4B52707: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B51B40: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B52257: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B4A730: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B49256: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B48EB0: iconv_open (in /lib/libc-2.6.1.so)
==22566==    by 0x49C2F12: (within /usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49C340A: (within /usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49BDDD8: QTextCodec::fromUnicode(QString const&) const (in 
/usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x49190E5: QString::toLocal8Bit() const (in 
/usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x493196E: (within /usr/lib/libQtCore.so.4.3.0)
==22566== 
==22566== Invalid read of size 4
==22566==    at 0x4016B97: (within /lib/ld-2.6.1.so)
==22566==    by 0x4007A2D: (within /lib/ld-2.6.1.so)
==22566==    by 0x4008ACE: (within /lib/ld-2.6.1.so)
==22566==    by 0x400C6F6: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x400CC99: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012597: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==  Address 0x514C4AC is 12 bytes inside a block of size 15 alloc'd
==22566==    at 0x4024765: malloc (vg_replace_malloc.c:149)
==22566==    by 0x40078FC: (within /lib/ld-2.6.1.so)
==22566==    by 0x40079B9: (within /lib/ld-2.6.1.so)
==22566==    by 0x4008ACE: (within /lib/ld-2.6.1.so)
==22566==    by 0x400C6F6: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x400CC99: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012597: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566== 
==22566== Invalid read of size 4
==22566==    at 0x4016B80: (within /lib/ld-2.6.1.so)
==22566==    by 0x4007A2D: (within /lib/ld-2.6.1.so)
==22566==    by 0x4008ACE: (within /lib/ld-2.6.1.so)
==22566==    by 0x400C6F6: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x400CC99: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012597: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==  Address 0x514C170 is 24 bytes inside a block of size 25 alloc'd
==22566==    at 0x4024765: malloc (vg_replace_malloc.c:149)
==22566==    by 0x4007874: (within /lib/ld-2.6.1.so)
==22566==    by 0x40085F9: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012537: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==    by 0x4B52613: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B51B40: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B522BB: (within /lib/libc-2.6.1.so)
==22566== 
==22566== Invalid read of size 4
==22566==    at 0x4016B80: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E689: (within /lib/ld-2.6.1.so)
==22566==    by 0x400A6E4: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE80: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BF24: __libc_dlsym (in /lib/libc-2.6.1.so)
==22566==    by 0x4B5266A: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B51B40: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B522BB: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B4A730: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B49256: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B48EB0: iconv_open (in /lib/libc-2.6.1.so)
==22566==  Address 0x514C170 is 24 bytes inside a block of size 25 alloc'd
==22566==    at 0x4024765: malloc (vg_replace_malloc.c:149)
==22566==    by 0x4007874: (within /lib/ld-2.6.1.so)
==22566==    by 0x40085F9: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012537: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==    by 0x4B52613: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B51B40: (within /lib/libc-2.6.1.so)
==22566==    by 0x4B522BB: (within /lib/libc-2.6.1.so)
Warning: no locale found: /usr/local/share/locale/qsynth_zh_CN.qm
==22566== 
==22566== Invalid read of size 4
==22566==    at 0x4016B97: (within /lib/ld-2.6.1.so)
==22566==    by 0x4006084: (within /lib/ld-2.6.1.so)
==22566==    by 0x40086B7: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012537: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x510EC18: (within /lib/libdl-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x510F2AB: (within /lib/libdl-2.6.1.so)
==22566==    by 0x510EB4B: dlopen (in /lib/libdl-2.6.1.so)
==22566==    by 0x4981E7C: (within /usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x497D8FD: (within /usr/lib/libQtCore.so.4.3.0)
==22566==  Address 0x54FF3B4 is 44 bytes inside a block of size 45 alloc'd
==22566==    at 0x4024765: malloc (vg_replace_malloc.c:149)
==22566==    by 0x4007874: (within /lib/ld-2.6.1.so)
==22566==    by 0x40085F9: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012537: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x510EC18: (within /lib/libdl-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x510F2AB: (within /lib/libdl-2.6.1.so)
==22566==    by 0x510EB4B: dlopen (in /lib/libdl-2.6.1.so)
==22566==    by 0x4981E7C: (within /usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x497D8FD: (within /usr/lib/libQtCore.so.4.3.0)
==22566== 
==22566== Invalid read of size 4
==22566==    at 0x4016B69: (within /lib/ld-2.6.1.so)
==22566==    by 0x4006084: (within /lib/ld-2.6.1.so)
==22566==    by 0x40086B7: (within /lib/ld-2.6.1.so)
==22566==    by 0x400C6F6: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x400CC99: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012597: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x510EC18: (within /lib/libdl-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x510F2AB: (within /lib/libdl-2.6.1.so)
==22566==  Address 0x5510EF4 is 20 bytes inside a block of size 23 alloc'd
==22566==    at 0x4024765: malloc (vg_replace_malloc.c:149)
==22566==    by 0x4008CA9: (within /lib/ld-2.6.1.so)
==22566==    by 0x400C6F6: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x400CC99: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012597: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x510EC18: (within /lib/libdl-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x510F2AB: (within /lib/libdl-2.6.1.so)
==22566==    by 0x510EB4B: dlopen (in /lib/libdl-2.6.1.so)
==22566== 
==22566== Syscall param writev(vector[...]) points to uninitialised byte(s)
==22566==    at 0x4BFDA83: writev (in /lib/libc-2.6.1.so)
==22566==    by 0x505C6BD: (within /usr/lib/libX11.so.6.2.0)
==22566==    by 0x505C2FE: _X11TransWritev (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x50619ED: _XSend (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x5052E9F: XQueryExtension (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x504760A: XInitExtension (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x501FEA2: XextAddDisplay (in /usr/lib/libXext.so.6.4.0)
==22566==    by 0x4F779D2: (within /usr/lib/libXinerama.so.1.0.0)
==22566==    by 0x4F77A3D: XPanoramiXQueryExtension (in 
/usr/lib/libXinerama.so.1.0.0)
==22566==    by 0x4F77F9A: XineramaQueryExtension (in 
/usr/lib/libXinerama.so.1.0.0)
==22566==    by 0x42C0A2A: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x42C133C: QDesktopWidget::QDesktopWidget() (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==  Address 0x5691489 is 129 bytes inside a block of size 16,384 alloc'd
==22566==    at 0x4023AA4: calloc (vg_replace_malloc.c:279)
==22566==    by 0x504CCBD: XOpenDisplay (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x42AE57A: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424969A: QApplicationPrivate::construct(_XDisplay*, unsigned 
long, unsigned long) (in /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424A602: QApplication::QApplication(int&, char**, int) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x8055144: main (in /usr/local/bin/qsynth)
==22566== 
==22566== Invalid read of size 4
==22566==    at 0x4016B53: (within /lib/ld-2.6.1.so)
==22566==    by 0x4006084: (within /lib/ld-2.6.1.so)
==22566==    by 0x40086B7: (within /lib/ld-2.6.1.so)
==22566==    by 0x400C6F6: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x400CC99: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012597: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==  Address 0x559BCB0 is 16 bytes inside a block of size 17 alloc'd
==22566==    at 0x4024765: malloc (vg_replace_malloc.c:149)
==22566==    by 0x4008CA9: (within /lib/ld-2.6.1.so)
==22566==    by 0x400C6F6: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x400CC99: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012597: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==    by 0x4C162D3: __nss_lookup_function (in /lib/libc-2.6.1.so)
==22566== 
==22566== Invalid read of size 4
==22566==    at 0x4016B69: (within /lib/ld-2.6.1.so)
==22566==    by 0x4006084: (within /lib/ld-2.6.1.so)
==22566==    by 0x40086B7: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012537: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==    by 0x4C162D3: __nss_lookup_function (in /lib/libc-2.6.1.so)
==22566==    by 0x5E45FFB: (within /lib/libnss_compat-2.6.1.so)
==22566==    by 0x5E4711C: _nss_compat_getpwuid_r (in 
/lib/libnss_compat-2.6.1.so)
==22566==  Address 0x52220DC is 20 bytes inside a block of size 21 alloc'd
==22566==    at 0x4024765: malloc (vg_replace_malloc.c:149)
==22566==    by 0x4008CA9: (within /lib/ld-2.6.1.so)
==22566==    by 0x4012537: (within /lib/ld-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4011DFD: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BE11: (within /lib/libc-2.6.1.so)
==22566==    by 0x400E385: (within /lib/ld-2.6.1.so)
==22566==    by 0x4C3BFD4: __libc_dlopen_mode (in /lib/libc-2.6.1.so)
==22566==    by 0x4C162D3: __nss_lookup_function (in /lib/libc-2.6.1.so)
==22566==    by 0x5E45FFB: (within /lib/libnss_compat-2.6.1.so)
==22566==    by 0x5E4711C: _nss_compat_getpwuid_r (in 
/lib/libnss_compat-2.6.1.so)
==22566==    by 0x4BC402B: getpwuid_r (in /lib/libc-2.6.1.so)
==22566== 
==22566== Syscall param semctl(IPC_SET, arg.buf) points to uninitialised byte(s)
==22566==    at 0x4C06C59: semctl (in /lib/libc-2.6.1.so)
==22566==    by 0x4D92A17: snd_pcm_direct_semaphore_create_or_connect (in 
/usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8C97D: snd_pcm_dmix_open (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8D616: _snd_pcm_dmix_open (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5AD54: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5B452: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5B4C2: snd_pcm_open_slave (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D96DAD: _snd_pcm_softvol_open (in 
/usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5AD54: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5B4F1: snd_pcm_open_slave (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D771AF: _snd_pcm_plug_open (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5AD54: (within /usr/lib/libasound.so.2.0.0)
==22566==  Address 0xBEC1CC5C is on thread 1's stack
==22566== 
==22566== Thread 2:
==22566== Invalid read of size 4
==22566==    at 0x408314C: fluid_synth_dither_s16 (in 
/usr/local/lib/libfluidsynth.so.1.1.1)
==22566==  Address 0x5559950 is not stack'd, malloc'd or (recently) free'd
==22566== 
==22566== Invalid write of size 4
==22566==    at 0x408345D: fluid_synth_dither_s16 (in 
/usr/local/lib/libfluidsynth.so.1.1.1)
==22566==  Address 0x5559950 is not stack'd, malloc'd or (recently) free'd
==22566== 
==22566== Syscall param ioctl(arg) contains uninitialised byte(s)
==22566==    at 0x4BFD624: ioctl (in /lib/libc-2.6.1.so)
==22566==    by 0x4D55541: snd_pcm_hwsync (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8B5B8: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8C5AA: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D55211: snd_pcm_start (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D737EF: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D55211: snd_pcm_start (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5CA0C: snd_pcm_write_areas (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D66970: snd_pcm_mmap_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D54D74: snd_pcm_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4055DDE: fluid_alsa_audio_run_s16 (in 
/usr/local/lib/libfluidsynth.so.1.1.1)
==22566== 
==22566== Syscall param ioctl(arg) contains uninitialised byte(s)
==22566==    at 0x4BFD624: ioctl (in /lib/libc-2.6.1.so)
==22566==    by 0x4D9B451: snd_timer_start (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8B5CF: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8C5AA: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D55211: snd_pcm_start (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D737EF: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D55211: snd_pcm_start (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5CA0C: snd_pcm_write_areas (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D66970: snd_pcm_mmap_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D54D74: snd_pcm_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4055DDE: fluid_alsa_audio_run_s16 (in 
/usr/local/lib/libfluidsynth.so.1.1.1)
==22566== 
==22566== Syscall param ioctl(arg) contains uninitialised byte(s)
==22566==    at 0x4BFD624: ioctl (in /lib/libc-2.6.1.so)
==22566==    by 0x4D55541: snd_pcm_hwsync (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8BA2E: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D55541: snd_pcm_hwsync (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D7202C: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D55541: snd_pcm_hwsync (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5C8D9: snd_pcm_write_areas (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D66970: snd_pcm_mmap_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D54D74: snd_pcm_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4055DDE: fluid_alsa_audio_run_s16 (in 
/usr/local/lib/libfluidsynth.so.1.1.1)
==22566== 
==22566== Syscall param ioctl(arg) contains uninitialised byte(s)
==22566==    at 0x4BFD624: ioctl (in /lib/libc-2.6.1.so)
==22566==    by 0x4D9B3F1: snd_timer_stop (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8BA99: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D55541: snd_pcm_hwsync (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D7202C: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D55541: snd_pcm_hwsync (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5C8D9: snd_pcm_write_areas (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D66970: snd_pcm_mmap_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D54D74: snd_pcm_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4055DDE: fluid_alsa_audio_run_s16 (in 
/usr/local/lib/libfluidsynth.so.1.1.1)
==22566== 
==22566== Syscall param ioctl(arg) contains uninitialised byte(s)
==22566==    at 0x4BFD624: ioctl (in /lib/libc-2.6.1.so)
==22566==    by 0x4D55541: snd_pcm_hwsync (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8BA2E: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8BD7D: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D51D2A: snd_pcm_avail_update (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D74CC9: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D51D2A: snd_pcm_avail_update (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5C8EA: snd_pcm_write_areas (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D66970: snd_pcm_mmap_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D54D74: snd_pcm_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4055DDE: fluid_alsa_audio_run_s16 (in 
/usr/local/lib/libfluidsynth.so.1.1.1)
==22566== 
==22566== Syscall param ioctl(arg) contains uninitialised byte(s)
==22566==    at 0x4BFD624: ioctl (in /lib/libc-2.6.1.so)
==22566==    by 0x4D9B3F1: snd_timer_stop (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8BA99: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8BD7D: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D51D2A: snd_pcm_avail_update (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D74CC9: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D51D2A: snd_pcm_avail_update (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5C8EA: snd_pcm_write_areas (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D66970: snd_pcm_mmap_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D54D74: snd_pcm_writei (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4055DDE: fluid_alsa_audio_run_s16 (in 
/usr/local/lib/libfluidsynth.so.1.1.1)
==22566== 
==22566== Syscall param ioctl(arg) contains uninitialised byte(s)
==22566==    at 0x4BFD624: ioctl (in /lib/libc-2.6.1.so)
==22566==    by 0x4D55541: snd_pcm_hwsync (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8BA2E: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8C489: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5C526: snd_pcm_mmap_commit (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D7469F: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D748F8: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D74A2C: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5C526: snd_pcm_mmap_commit (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D677D1: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5C9A1: snd_pcm_write_areas (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D66970: snd_pcm_mmap_writei (in /usr/lib/libasound.so.2.0.0)
==22566== 
==22566== Syscall param ioctl(arg) contains uninitialised byte(s)
==22566==    at 0x4BFD624: ioctl (in /lib/libc-2.6.1.so)
==22566==    by 0x4D9B3F1: snd_timer_stop (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8BA99: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D8C489: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5C526: snd_pcm_mmap_commit (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D744CF: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D748F8: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D74A2C: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5C526: snd_pcm_mmap_commit (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D677D1: (within /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D5C9A1: snd_pcm_write_areas (in /usr/lib/libasound.so.2.0.0)
==22566==    by 0x4D66970: snd_pcm_mmap_writei (in /usr/lib/libasound.so.2.0.0)
==22566== 
==22566== Thread 1:
==22566== Syscall param write(buf) points to uninitialised byte(s)
==22566==    at 0x4101D41: (within /lib/libpthread-2.6.1.so)
==22566==    by 0x505C29E: _X11TransWrite (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x5061BD5: (within /usr/lib/libX11.so.6.2.0)
==22566==    by 0x5062B2B: _XEventsQueued (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x504E79E: XEventsQueued (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x42D8825: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x4EC7691: g_main_context_prepare (in 
/usr/lib/libglib-2.0.so.0.1400.0)
==22566==    by 0x4EC7E64: (within /usr/lib/libglib-2.0.so.0.1400.0)
==22566==    by 0x4EC8704: g_main_context_iteration (in 
/usr/lib/libglib-2.0.so.0.1400.0)
==22566==    by 0x49B736F: 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (in 
/usr/lib/libQtCore.so.4.3.0)
==22566==    by 0x42D833F: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x498B661: 
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (in 
/usr/lib/libQtCore.so.4.3.0)
==22566==  Address 0x56923D1 is 4,041 bytes inside a block of size 16,384 
alloc'd
==22566==    at 0x4023AA4: calloc (vg_replace_malloc.c:279)
==22566==    by 0x504CCBD: XOpenDisplay (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x42AE57A: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424969A: QApplicationPrivate::construct(_XDisplay*, unsigned 
long, unsigned long) (in /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424A602: QApplication::QApplication(int&, char**, int) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x8055144: main (in /usr/local/bin/qsynth)
==22566== 
==22566== Syscall param write(buf) points to uninitialised byte(s)
==22566==    at 0x4101D41: (within /lib/libpthread-2.6.1.so)
==22566==    by 0x505C29E: _X11TransWrite (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x5061BD5: (within /usr/lib/libX11.so.6.2.0)
==22566==    by 0x4F5E8EB: XRenderChangePicture (in 
/usr/lib/libXrender.so.1.3.0)
==22566==    by 0x43BFF60: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x43C089B: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x43C0E3F: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x43C11C5: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x43334CE: QPaintEngine::drawLines(QLineF const*, int) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x43C6A9E: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x4340472: QPainter::drawLines(QLineF const*, int) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x8057572: qsynthKnob::paintEvent(QPaintEvent*) (in 
/usr/local/bin/qsynth)
==22566==  Address 0x56923D1 is 4,041 bytes inside a block of size 16,384 
alloc'd
==22566==    at 0x4023AA4: calloc (vg_replace_malloc.c:279)
==22566==    by 0x504CCBD: XOpenDisplay (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x42AE57A: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424969A: QApplicationPrivate::construct(_XDisplay*, unsigned 
long, unsigned long) (in /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424A602: QApplication::QApplication(int&, char**, int) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x8055144: main (in /usr/local/bin/qsynth)
==22566== 
==22566== Syscall param writev(vector[...]) points to uninitialised byte(s)
==22566==    at 0x4BFDAE4: writev (in /lib/libc-2.6.1.so)
==22566==    by 0x505C6BD: (within /usr/lib/libX11.so.6.2.0)
==22566==    by 0x505C2FE: _X11TransWritev (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x50619ED: _XSend (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x5051D14: (within /usr/lib/libX11.so.6.2.0)
==22566==    by 0x5051E63: XPutImage (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x430AA6D: QPixmap::fromImage(QImage const&, 
QFlags<Qt::ImageConversionFlag>) (in /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x43343B3: QPaintEngine::drawImage(QRectF const&, QImage 
const&, QRectF const&, QFlags<Qt::ImageConversionFlag>) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x43BEFCF: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x433F76D: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x43432BE: QPainter::drawPath(QPainterPath const&) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x4344C43: QPainter::drawPie(QRectF const&, int, int) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==  Address 0x56914CD is 197 bytes inside a block of size 16,384 alloc'd
==22566==    at 0x4023AA4: calloc (vg_replace_malloc.c:279)
==22566==    by 0x504CCBD: XOpenDisplay (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x42AE57A: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424969A: QApplicationPrivate::construct(_XDisplay*, unsigned 
long, unsigned long) (in /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424A602: QApplication::QApplication(int&, char**, int) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x8055144: main (in /usr/local/bin/qsynth)
==22566== 
==22566== Syscall param write(buf) points to uninitialised byte(s)
==22566==    at 0x4101D41: (within /lib/libpthread-2.6.1.so)
==22566==    by 0x505C29E: _X11TransWrite (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x5061BD5: (within /usr/lib/libX11.so.6.2.0)
==22566==    by 0x5061CAA: _XReply (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x5043360: XGetWindowProperty (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x5042655: XGetWMHints (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x42CA127: QWidgetPrivate::setWindowIcon_sys(bool) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x4295FEA: QWidget::create(unsigned long, bool, bool) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x4296EBF: QWidgetPrivate::createWinId(unsigned long) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x4297242: QWidget::winId() const (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x42CBCCE: QWidget::x11SetWindowType(QWidget::X11WindowType) 
(in /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x427E618: (within /usr/lib/libQtGui.so.4.3.0)
==22566==  Address 0x5692318 is 3,856 bytes inside a block of size 16,384 
alloc'd
==22566==    at 0x4023AA4: calloc (vg_replace_malloc.c:279)
==22566==    by 0x504CCBD: XOpenDisplay (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x42AE57A: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424969A: QApplicationPrivate::construct(_XDisplay*, unsigned 
long, unsigned long) (in /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424A602: QApplication::QApplication(int&, char**, int) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x8055144: main (in /usr/local/bin/qsynth)
==22566== 
==22566== Syscall param write(buf) points to uninitialised byte(s)
==22566==    at 0x4101D41: (within /lib/libpthread-2.6.1.so)
==22566==    by 0x505C29E: _X11TransWrite (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x5061BD5: (within /usr/lib/libX11.so.6.2.0)
==22566==    by 0x503E500: XFlush (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x42C8029: QWidgetPrivate::hide_sys() (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x428FC92: QWidgetPrivate::hide_helper() (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x429808B: QWidget::setVisible(bool) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x427CCB5: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x428F560: 
QWidgetPrivate::close_helper(QWidgetPrivate::CloseMode) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x428F878: QWidget::close() (in /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x427DC9A: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x427DE15: (within /usr/lib/libQtGui.so.4.3.0)
==22566==  Address 0x5691439 is 49 bytes inside a block of size 16,384 alloc'd
==22566==    at 0x4023AA4: calloc (vg_replace_malloc.c:279)
==22566==    by 0x504CCBD: XOpenDisplay (in /usr/lib/libX11.so.6.2.0)
==22566==    by 0x42AE57A: (within /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424969A: QApplicationPrivate::construct(_XDisplay*, unsigned 
long, unsigned long) (in /usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x424A602: QApplication::QApplication(int&, char**, int) (in 
/usr/lib/libQtGui.so.4.3.0)
==22566==    by 0x8055144: main (in /usr/local/bin/qsynth)
==22566== 
==22566== ERROR SUMMARY: 7123 errors from 28 contexts (suppressed: 204 from 3)
==22566== malloc/free: in use at exit: 94,126,351 bytes in 29,121 blocks.
==22566== malloc/free: 236,439 allocs, 207,318 frees, 126,000,131 bytes 
allocated.
==22566== For counts of detected errors, rerun with: -v
==22566== searching for pointers to 29,121 not-freed blocks.
==22566== checked 102,204,284 bytes.
==22566== 
==22566== LEAK SUMMARY:
==22566==    definitely lost: 12,418 bytes in 194 blocks.
==22566==      possibly lost: 37,188 bytes in 927 blocks.
==22566==    still reachable: 94,076,745 bytes in 28,000 blocks.
==22566==         suppressed: 0 bytes in 0 blocks.
==22566== Rerun with --leak-check=full to see details of leaked memory.