Re: Kernel Debugging on the DBAu1500

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>>>>> "jeff" == Jeff Baitis <baitisj@evolution.com> writes:

Hi
        perhaps don't help, but try using 57600 bauds.  Some
        chipsets don't like 115200 bauds.

I have never used gdb on MIPS, but at least on intel, you need run a
program in your MIPS board (in intel it is gdbstart called).

Later, Juan.

jeff> Hi all:
jeff> I've been trying to get a kernel debugger running on my AMD DBAu1500.  It boots
jeff> up over a serial console. I enable "Remote GDB kernel debugging," and "Console
jeff> output to GDB."

jeff> Here's what I tell YAMON to do:

jeff> go . gdb gdbttyS=0 gdbbaud=115200

jeff> And on my x86 machine, I:

jeff> stty ispeed 115200 ospeed 115200 < /dev/ttyS1

jeff> /opt/hardhat/devkit/mips/fp_le/bin/mips_fp_le-gdb vmlinux
jeff> (gdb) target remote /dev/ttyS1 

jeff> GDB seems not to communicate. Here's what it says:

jeff> Ignoring packet error, continuing...
jeff> Ignoring packet error, continuing...
jeff> Ignoring packet error, continuing...
jeff> Couldn't establish connection to remote target
jeff> Malformed response to offset query, timeout

jeff> Suggestions?

jeff> Thanks in advance!




-- 
In theory, practice and theory are the same, but in practice they 
are different -- Larry McVoy


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