kdp-remote debugging with Big Sur Beta 4

Question

Created Aug ’20

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I'm trying to debug a kernel extension on Big Sur
(xnu-7195.0.0.141.5). In the past, I've successfully used kdp-remote from lldb to attach to the crashed kernel and debug it. However, this doesn't seem to be working on Big Sur.

The serial console of the crashed machine shows:

Code Block ethernet MAC address: 00:0c:29:43:dd:b5
ip address: 192.168.1.250
Waiting for remote debugger connection.

as expected, but there's no response to packets sent to that address by lldb.

Is this working for anyone else?

Thanks,

Simon

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Answer 1

CristianCrm OP

Aug ’20

Hi @sxw - I'm trying to debug kernel in BigSur also. Could you share me the tools to debug kernel? Thanks!

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