.
Thread 4 (LWP 17218):
#0  0xb76c6416 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb6a680fd in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:245
No locals.
#2  0xb6b04d07 in ?? ()
No symbol table info available.
#3  0xb7d260f0 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 3 (LWP 17193):
#0  0xb76c6416 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb698ae4b in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#2  0xb6acf21b in ?? ()
No symbol table info available.
#3  0xb4e00468 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 2 (LWP 16992):
#0  0xb76c6416 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb698ae4b in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#2  0xb6acf21b in ?? ()
No symbol table info available.
#3  0xb59023b0 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 1 (LWP 16988):
#0  0xb7703a98 in xfce_desktop_refresh (desktop=desktop@entry=0xb7cdd078) at xfce-desktop.c:1767
        backdrop = <optimized out>
        i = 0
        current_workspace = <optimized out>
        __FUNCTION__ = "xfce_desktop_refresh"
#1  0xb7703b1f in style_refresh_cb (w=0xb7cdd078) at xfce-desktop.c:1357
        desktop = 0xb7cdd078
#2  0xb6ac0bf1 in ?? ()
No symbol table info available.
#3  0xb7cdd078 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)