Date: Thu, 3 Jul 2008 04:47:23 -0700 From: "karim sk" <karimulla@krify.com> To: <freebsd-hackers@freebsd.org> Subject: kgdb error: Ignoring packet error, continuing.... Message-ID: <20080703044723.BD564B69@resin11.mta.everyone.net>
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Hi,
I am trying to setup kgdb on serial console in freebsd. I have done
the following steps.
1. Compile the kernel with the following options
options DDB
options KDB
makeoptions DEBUG-g
2.Installed the kernel on the target machine.
3. Transferred the kernel.debug to host machine.
4. Modified the file /boot/device.hints in the target machine to have
sio flags as
hint.sio.0.at="isa"
hint.sio.0.port="0X3F8"
hint.sio.0.flags="0x80"
hint.sio.0.irq="4"
5. Reboot the target machine. At the loader prompt type the following
set comconsole_speed=9600
boot -d
Then the target machine stops at ddb> prompt.
6.In the host machine type the following at kgdb prompt
kgdb> set remotebaud 9600
kgdb> file kernel.debug
kgdb> target remote /dev/cuad0
This is not able to establish the connection.
It is giving following errors.
Ignoring packet error, continuing...
Ignoring packet error, continuing...
Couldn't establish connection to remote target.
Malformed response to offset query, timeout.
Can any body tell why packet error is coming when kgdb is trying to
establish the connection.
Thanks in advance.
Karim
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