Subject: port-i386/4761: i386 ddb "watch" seems broken
To: None <gnats-bugs@gnats.netbsd.org>
From: None <davide+@cs.cmu.edu>
List: netbsd-bugs
Date: 12/31/1997 17:47:04
>Number:         4761
>Category:       port-i386
>Synopsis:       setting any watchpoint results in a fatal page fault
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    gnats-admin (GNATS administrator)
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Dec 31 14:50:02 1997
>Last-Modified:
>Originator:     David Eckhardt
>Organization:
	Carnegie Mellon University Computer Science Department
>Release:        1.2
>Environment:
	NetBSD 1.1, 1.2, ...?
>Description:
	It seems as though setting any watchpoint with ddb somehow
	destroys the machine state:  I can't get anything but kernel
	page faults.
>How-To-Repeat:
	control-alt-escape, "watch ipstat", "c"
>Fix:
	If this isn't easily fixable, disabling the command would not be
	a bad idea.
>Audit-Trail:
>Unformatted: