GNU gdb (Gentoo 7.5.1 p2) 7.5.1
Copyright (C) 2012 Free Software Foundation, Inc.
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Attaching to process 3990
Reading symbols from /usr/bin/wine-preloader...(no debugging symbols found)...done.
0xffffe430 in __kernel_vsyscall ()
(gdb) backtrace
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xf75bab3b in ?? ()
#2  0x7bc7f5fb in ?? ()
#3  0x7bc87208 in ?? ()
#4  0x7b8756ca in ?? ()
#5  0x7b875928 in ?? ()
#6  0x7b875a38 in ?? ()
#7  0x00493cf1 in ?? ()
#8  0x00bf41fb in ?? ()
#9  0x00bf5b7e in ?? ()
#10 0x00bf2750 in ?? ()
#11 0x00bf2bad in ?? ()
#12 0x00bf2d87 in ?? ()
#13 0x0112e501 in ?? ()
#14 0x7b86201c in ?? ()
#15 0x7b86324b in ?? ()
#16 0x7bc80670 in ?? ()
#17 0x7bc835bd in ?? ()
#18 0x7bc8064e in ?? ()
#19 0x7bc54b8e in ?? ()
#20 0xf75dbd0d in ?? ()