stjimmy@Trevor:~$ beryl
**************************************************************
* Beryl system compatiblity check                            *
**************************************************************

Detected xserver                                : NVIDIA

Checking Display :0.0 ...

Checking for XComposite extension               : passed (v0.3)
Checking for XDamage extension                  : passed
Checking for RandR extension                    : passed
Checking for XSync extension                    : passed

Checking Screen 0 ...

Checking for GLX_SGIX_fbconfig                  : passed
Checking for GLX_EXT_texture_from_pixmap        : passed
Checking for non power of two texture support   : passed
Checking maximum texture size                   : passed (2046x2046)

Relaunching beryl with __GL_YIELD="NOTHING"
**************************************************************
* Beryl system compatiblity check                            *
**************************************************************

Detected xserver                                : NVIDIA

Checking Display :0.0 ...

Checking for XComposite extension               : passed (v0.3)
Checking for XDamage extension                  : passed
Checking for RandR extension                    : passed
Checking for XSync extension                    : passed

Checking Screen 0 ...

Checking for GLX_SGIX_fbconfig                  : passed
Checking for GLX_EXT_texture_from_pixmap        : passed
Checking for non power of two texture support   : passed
Checking maximum texture size                   : passed (2046x2046)

*** glibc detected *** beryl: double free or corruption (fasttop): 0x0809f068 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6[0xb7d187cd]
/lib/tls/i686/cmov/libc.so.6(cfree+0x90)[0xb7d1be30]
/lib/tls/i686/cmov/libdl.so.2[0xb7ba62d8]
/lib/tls/i686/cmov/libdl.so.2(dlopen+0x4f)[0xb7ba69ff]
/usr/lib/libberylsettings.so.0[0xb7df90c9]
/usr/lib/libberylsettings.so.0(beryl_settings_context_set_backend+0xa7)[0xb7df96c7]
/usr/lib/libberylsettings.so.0(beryl_settings_context_new+0x31f)[0xb7dfadaf]
beryl(addDisplay+0x4fb)[0x8057a9b]
beryl(main+0x543)[0x8052343]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xdc)[0xb7cc6ebc]
beryl[0x8051cd1]
======= Memory map: ========
08048000-08080000 r-xp 00000000 08:02 1130843    /usr/bin/beryl
08080000-08081000 rw-p 00038000 08:02 1130843    /usr/bin/beryl
08081000-080a5000 rw-p 08081000 00:00 0          [heap]
b7100000-b7121000 rw-p b7100000 00:00 0 
b7121000-b7200000 ---p b7121000 00:00 0 
b7242000-b724d000 r-xp 00000000 08:02 4915264    /lib/libgcc_s.so.1
b724d000-b724e000 rw-p 0000a000 08:02 4915264    /lib/libgcc_s.so.1
b725f000-b7268000 r-xp 00000000 08:02 4918517    /lib/tls/i686/cmov/libnss_files-2.5.so
b7268000-b726a000 rw-p 00008000 08:02 4918517    /lib/tls/i686/cmov/libnss_files-2.5.so
b726a000-b727d000 r-xp 00000000 08:02 4918511    /lib/tls/i686/cmov/libnsl-2.5.so
b727d000-b727f000 rw-p 00012000 08:02 4918511    /lib/tls/i686/cmov/libnsl-2.5.so
b727f000-b7281000 rw-p b727f000 00:00 0 
b7281000-b7288000 r-xp 00000000 08:02 4918513    /lib/tls/i686/cmov/libnss_compat-2.5.so
b7288000-b728a000 rw-p 00006000 08:02 4918513    /lib/tls/i686/cmov/libnss_compat-2.5.so
b7294000-b729b000 r--s 00000000 08:02 8998521    /usr/lib/gconv/gconv-modules.cache
b729b000-b7300000 rw-p b729b000 00:00 0 
b7300000-b7304000 r-xp 00000000 08:02 8996352    /usr/lib/libXdmcp.so.6.0.0
b7304000-b7305000 rw-p 00003000 08:02 8996352    /usr/lib/libXdmcp.so.6.0.0
b7305000-b7307000 r-xp 00000000 08:02 8996341    /usr/lib/libXau.so.6.0.0
b7307000-b7308000 rw-p 00001000 08:02 8996341    /usr/lib/libXau.so.6.0.0
b7308000-b7309000 r-xp 00000000 08:02 9437581    /usr/lib/tls/libnvidia-tls.so.1.0.9631
b7309000-b730a000 rw-p 00000000 08:02 9437581    /usr/lib/tls/libnvidia-tls.so.1.0.9631
b730a000-b7b57000 r-xp 00000000 08:02 9000236    /usr/lib/libGLcore.so.1.0.9631
b7b57000-b7b8c000 rwxp 0084d000 08:02 9000236    /usr/lib/libGLcore.so.1.0.9631
b7b8c000-b7b90000 rwxp b7b8c000 00:00 0 
b7b90000-b7b91000 rw-p b7b90000 00:00 0 
b7b91000-b7ba4000 r-xp 00000000 08:02 8997096    /usr/lib/libz.so.1.2.3
b7ba4000-b7ba5000 rw-p 00012000 08:02 8997096    /usr/lib/libz.so.1.2.3
b7ba5000-b7ba7000 r-xp 00000000 08:02 4918506    /lib/tls/i686/cmov/libdl-2.5.so
b7ba7000-b7ba9000 rw-p 00001000 08:02 4918506    /lib/tls/i686/cmov/libdl-2.5.so
b7ba9000-b7bb0000 r-xp 00000000 08:02 8996378    /usr/lib/libXrender.so.1.3.0
b7bb0000-b7bb1000 rw-p 00006000 08:02 8996378    /usr/lib/libXrender.so.1.3.0
b7bb1000-b7bbe000 r-xp 00000000 08:02 8996356    /usr/lib/libXext.so.6.4.0
b7bbe000-b7bbf000 rw-p 0000d000 08:02 8996356    /usr/lib/libXext.so.6.4.0
b7bbf000-b7cac000 r-xp 00000000 08:02 8996335    /usr/lib/libX11.so.6.2.0
b7cac000-b7cb0000 rw-p 000ed000 08:02 8996335    /usr/lib/libX11.so.6.2.0
b7cb0000-b7cb1000 rw-p b7cb0000 00:00 0 
b7cb1000-b7dec000 r-xp 00000000 08:02 4918500    /lib/tls/i686/cmov/libc-2.5.so
b7dec000-b7ded000 r--p 0013b000 08:02 4918500    /lib/tls/i686/cmov/libc-2.5.so
b7ded000-b7def000 rw-p 0013c000 08:02 4918500    /lib/tls/i686/cmov/libc-2.5.so
b7def000-b7df2000 rw-p b7def000 00:00 0 
b7df2000-b7e00000 r-xp 00000000 08:02 1180039    /usr/lib/libberylsettings.so.0.0.0
b7e00000-b7e01000 rw-p 0000e000 08:02 1180039    /usr/lib/libberylsettings.so.0.0.0
b7e01000-b7e26000 r-xp 00000000 08:02 4918508    /lib/tls/i686/cmov/libm-2.5.so
b7e26000-b7e28000 rw-p 00024000 08:02 4918508    /lib/tls/i686/cmov/libm-2.5.so
b7e28000-b7e99000 r-xp 00000000 08:02 9000235    /usr/lib/libGL.so.1.0.9631
b7e99000-b7eb3000 rwxp 00070000 08:02 9000235    /usr/lib/libGL.so.1.0.9631
b7eb3000-b7eb4000 rwxp b7eb3000 00:00 0 
b7eb4000-b7f48000 r-xp 00000000 08:02 8996638    /usr/lib/libglib-2.0.so.0.1200.11
b7f48000-b7f49000 rw-p 00093000 08:02 8996638    /usr/lib/libglib-2.0.so.0.1200.11
b7f49000-b7f51000 Aborted (core dumped)
stjimmy@Trevor:~$