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Re: Reboots?


From: Roland McGrath
Subject: Re: Reboots?
Date: Wed, 28 Mar 2001 16:45:50 -0500 (EST)

> I wouldn't know how to get it, so I don't know if I can. What do I need for
> this?

Does ddb work these days?  Last time I did kernel hacking it was
oskit-mach, and that dumps a stack trace when it panics.

> If it isn't "wire" I am looking for, I don't know what I am looking for (a
> grep showed nothing in proc/).

You are right.  proc used to wire itself (wire_task_self), but it doesn't
now (init does).  So this kernel bug is of more concern than I thought.

> Sometimes I wonder if the kernel ring buffer proposed by RMS wouldn't be
> helpful in situations like this.

Well, maybe.  But it is a lot of overhead.  I'd be more inclined to work
on a way to make it possible to trace a sub-hurd using rpctrace on
the parent hurd.



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