Re: tools to dump guest memory and generate core file

[david ahern <daahern@cisco.com>]

That's what I was looking for.

thanks,
david


Uri Lublin wrote:
> Avi Kivity wrote:
>> david ahern wrote:
>>  
>>> Attaching gdb to qemu you work with addresses as seen by the qemu
>>> process; the
>>> idea is to work with addresses as seen inside the guest.
>>>
>>>
>>> Now, if you attach gdb to the qemu process,
>>>
>>> gdb /usr/local/bin/qemu-system-x86_64 2346
>>>       
>> I meant connecting to the gdb stub in qemu that represents the guest:
>>
>>   (gdb) target remote localhost:1234
>>
>> Of course, it means starting qemu with the gdb stub enabled.  We might
>> add a monitor command to start it after the fact.
>>   
> gdbserver is the monitor command you're looking for:
> (qemu) help gdbserver
> gdbserver [port] -- start gdbserver session (default port=1234)
> 
> 

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