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Date:      Mon, 17 Feb 2003 09:12:02 -0500 (EST)
From:      Andrew Gallatin <gallatin@cs.duke.edu>
To:        Dag-Erling Smorgrav <des@ofug.org>
Cc:        alpha@FreeBSD.ORG, current@FreeBSD.ORG
Subject:   Re: top-of-tree alpha kernel panics during boot
Message-ID:  <15952.60850.445423.454870@grasshopper.cs.duke.edu>
In-Reply-To: <xzpfzqn57pi.fsf@flood.ping.uio.no>
References:  <xzpn0l0v119.fsf@flood.ping.uio.no> <xzpk7fz58r0.fsf@flood.ping.uio.no> <xzpfzqn57pi.fsf@flood.ping.uio.no>

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Dag-Erling Smorgrav writes:
 > Dag-Erling Smorgrav <des@ofug.org> writes:
 > > Any suggestions as to how I can figure out who used that block of
 > > memory before it was allocated to the ess driver?
 > 
 > I threw in a call to Debugger(), but...
 > 
 > mtrash_dtor(0xfffffc00007b6000, 8192, 0)
 > here's the culprit!
 > Stopped at      0xfffffc0000577578:     zapnot  v0,#0xf,v0      <v0=0x6>
 > db> trace
 > db> c
 > 
 > no backtrace :(
 > 

Can you look at the registers and match $ra with a line number using
addr2line or gdb?  (sorry, forgot if ddb can even look at registers)

Drew

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