KGDB and linux-2.2.14
Rajesh S
srj102 at yahoo.com
Tue Feb 19 17:46:26 EST 2002
Hi,
I use a HardHat linux-2.2.14 (CDK 1.2).
I have the following problem when I enable
KGDB in the linux make menuconfig.
1) System comes up ok. There is no breakpoint
initially.
2) When there is any call to panic() or when
there is an exception,
the system doesnot reboot.
3) The system instead throws up a register dump saying
a TRAP = 0x400
And this register dump keeps coming on and before
it stops and some time.
I have attached the dump.
4) I am not running a KGDB on any other computer and
I have just a single standalone embedded system.
Questions
---------
1) When I look through the code of panic, there is
a call to BREAKPOINT macro which is
.long 0x7d821008
What exception does this cause ? Is this a valid
address ?
2) my boot-loader does not pass a command line
string having "kgdb",
Is this a problem ?
Thanks in advance,
Rajesh
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