* Debugging the kernel with BDI2000
@ 2003-01-15 0:13 Xiaogeng (Shawn) Jin
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From: Xiaogeng (Shawn) Jin @ 2003-01-15 0:13 UTC (permalink / raw)
To: support, 'linuxppc-embedded@lists.linuxppc.org'
I tried to debug the kernel with BDI2000 and gdb and had some problems.
I wanted to set a breakpoint at console_init() and did the following steps.
(1) BDI>bi 0xc00020f0 # stop at start_here
(2) BDI>go
ppcboot was running and loaded the kernel image and stoped at start_here.
(3) BDI>ci
(4) ppc_8xx-gdb vmlinux # start gdb
(gdb) target remote bdi:2001
(gdb) b console_init
The above steps were all successful. But when I wanted to step by 'n' or
continue the execution by 'cont'. I got the following error.
(gdb) cont
warning: Cannot insert breakpoint -1:
Error accessing memory address 0xc0000000: Unknown error 4294967295.
What does this mean? My BDI2000 configuration may not right? CPU is 855.
Thanks.
- shawn.
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
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2003-01-15 0:13 Debugging the kernel with BDI2000 Xiaogeng (Shawn) Jin
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