Johnny Billquist <bqt@update.uu.se> writes:

> db{1}> bt
> cpu_Debugger() at netbsd:cpu_Debugger+0x4
> panic() at netbsd:panic+0x1f8
> spinlock_switchcheck() at netbsd:spinlock_switchcheck+0xa4
> prologue botch: displacement 16
> frame size botch: adjust register offsets?
> mi_switch() at netbsd:mi_switch+0x58
> mi_switch() at netbsd:mi_switch+0x58
> db{1}>

That bit of DDB lossage is what I reported in PR port-alpha/23996
recently. I'm going to go ahead and commit my fix on the grounds that
successful backtraces in common circumstances are more important than
the small bit of "sanity" protection that was being provided.

        - Nathan