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b/qemu-doc.texi
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In order to use gdb, launch qemu with the '-s' option. It will wait for a
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gdb connection:
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@example
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> qemu -s arch/i386/boot/bzImage -hda root-2.4.20.img root=/dev/hda
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> qemu -s -kernel arch/i386/boot/bzImage -hda root-2.4.20.img -append "root=/dev/hda"
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Connected to host network interface: tun0
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Waiting gdb connection on port 1234
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@end example
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In gdb, connect to QEMU:


  		





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@example


  		





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(gdb) target remote locahost:1234


  		





  
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(gdb) target remote localhost:1234


  		





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@end example


  		





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Then you can use gdb normally. For example, type 'c' to launch the kernel:


  		












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