Comment 4 for bug 595438

(gdb) run
Starting program: /usr/bin/kvm -M pc-0.12 -enable-kvm -m 256 -smp 1 -boot d -drive file=/mnt/megadiff/cdiso_400_130.iso,if=ide,media=cdrom,index=2 -drive file=/home/mmarkk/spamsender2.img,if=scsi,index=0,format=qcow2,cache=writeback
[Thread debugging using libthread_db enabled]
[New Thread 0xb7145b70 (LWP 4715)]
pci_add_option_rom: failed to find romfile "pxe-rtl8139.bin"
[New Thread 0xa54c4b70 (LWP 4747)]
scsi-disk: Tag 0x0 already in use

Program received signal SIGSEGV, Segmentation fault.
0x08468b10 in ?? ()
(gdb) bt
#0 0x08468b10 in ?? ()
#1 0x080f0ef6 in ?? ()
#2 0x080d4cf9 in ?? ()
#3 0x080c470f in ?? ()
#4 0x080c47c7 in ?? ()
#5 0x08052266 in ?? ()
#6 0x0806dcc4 in ?? ()
#7 0x08055465 in ?? ()
#8 0xb7a42bd6 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#9 0x0804ec51 in ?? ()
(gdb)

mmarkk@mmarkk-work:~/src/KVM$ pmap 4712
4712: /usr/bin/kvm -M pc-0.12 -enable-kvm -m 256 -smp 1 -boot d -drive file=/mnt/megadiff/cdiso_400_130.iso,if=ide,media=cdrom,index=2 -drive file=/home/mmarkk/spamsender2.img,if=scsi,index=0,format=qcow2,cache=writeback
08048000 2064K r-x-- /usr/bin/qemu-system-x86_64
0824c000 4K r---- /usr/bin/qemu-system-x86_64
0824d000 76K rw--- /usr/bin/qemu-system-x86_64
08260000 3408K rw--- [ anon ]
085b4000 64K rw--- [ anon ]

It seems, that 0x0804ec51 is in anonymous memory, does not it ?

I will try to use debug libraries. Please write how I can help more.