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#0  0x282105b7 in pthread_testcancel () from /lib/libpthread.so.2
#1  0x281fdc01 in sigaction () from /lib/libpthread.so.2
#2  0x281fdeed in sigaction () from /lib/libpthread.so.2
#3  0x281fe6cc in sigaction () from /lib/libpthread.so.2
#4  0x281fe878 in sigaction () from /lib/libpthread.so.2
#5  0x28208ec8 in pthread_mutexattr_init () from /lib/libpthread.so.2
#6  0x28155450 in ?? ()

Thread 2 (Thread 0x9b20000 (LWP 100213)):
#0  0x282595a7 in aio_read () from /lib/libc.so.6
#1  0x0805cdf0 in raw_aio_read (bs=0x4e, sector_num=0, buf=0x9bdb458 &quot;@&quot;, nb_sectors=2, 
    cb=0x807fc8c &lt;ide_read_dma_cb&gt;, opaque=0x9be3c14) at /usr/ports/emulators/qemu/work/qemu-0.9.0/block-raw.c:355
#2  0x0807fd91 in ide_read_dma_cb (opaque=0x9be3c14, ret=0)
    at /usr/ports/emulators/qemu/work/qemu-0.9.0/hw/ide.c:763
#3  0x080822d0 in bmdma_cmd_writeb (opaque=0x9be3c14, addr=49152, val=9)
    at /usr/ports/emulators/qemu/work/qemu-0.9.0/hw/ide.c:2268
#4  0x0804b523 in cpu_outb (env=0x9bab000, addr=78, val=9) at /usr/ports/emulators/qemu/work/qemu-0.9.0/vl.c:324
#5  0x08e03836 in code_gen_buffer ()
#6  0x09bab000 in ?? ()
#7  0x0000c000 in ?? ()
#8  0x00000009 in ?? ()
#9  0x080c0417 in cpu_x86_exec (env1=0x0) at /usr/ports/emulators/qemu/work/qemu-0.9.0/cpu-exec.c:739
#10 0x08051188 in main_loop () at /usr/ports/emulators/qemu/work/qemu-0.9.0/vl.c:6107
Previous frame inner to this frame (corrupt stack?)
#0  0x282105b7 in pthread_testcancel () from /lib/libpthread.so.2
</pre></td></tr></table></div>