I am trying to fix a panic in our USB kext using only a panic dump, panic.log file.
I followed the instructions in Tech Note tn2063 to load the kexts and symbol tables into GDB on my own machine.
Whenever I try to access memory with GDB, using an "x/i" command for example, the result is
"Cannot access memory at address xxxx".
GDB seems to use my symbol tables correctly, because it decodes some addresses from the panic.log
into plausible offsets into my code. However, every memory access fails.
Does anyone know what I am doing wrong?
(I am debugging with the Panic.log because the crash only occurs when running our device on a dual processor G4)
Please help if you have any ideas.
thanks
Harland Harrison
2wire.com
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