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gnumach debugger advice

From: Brent W. Baccala
Subject: gnumach debugger advice
Date: Sun, 11 Feb 2018 01:23:10 -0500

Hi -

Can anybody advice me how to use the gnumach debugger for a particular case?

I've got a subhurd's proc server that is blocked in the kernel RPC processor_set_tasks().  That thread is holding a global lock in the proc server and locking up the program while waiting for the RPC to return, which it isn't doing.

So how can I figure out where in processor_set_tasks() (or its subroutines) that the kernel has blocked?


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