Date: Tue, 1 May 2001 15:45:51 +1000 (EST) From: Bruce Evans <bde@zeta.org.au> To: Warner Losh <imp@harmony.village.org> Cc: doc@freebsd.org, bde@freebsd.org Subject: Re: ddb addition review request Message-ID: <Pine.BSF.4.21.0105011531140.32403-100000@besplex.bde.org> In-Reply-To: <200105010348.f413m4R56040@harmony.village.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Mon, 30 Apr 2001, Warner Losh wrote: These comments incorporate 2 (?) spelling fixes pointed out by Dima (?). I noticed one more and checked with ispell. > Index: ddb.4 > =================================================================== > RCS file: /home/imp/FreeBSD/CVS/src/share/man/man4/ddb.4,v > retrieving revision 1.12 > diff -u -r1.12 ddb.4 > --- ddb.4 2001/03/09 03:07:53 1.12 > +++ ddb.4 2001/05/01 03:46:07 > @@ -522,6 +522,16 @@ > .Sq Li : > and modifiers as described above. > .El > +.Sh HINTS > +If you have a machine with an ISA bus, then you can connect a pushbutton > +between A01 and B01 (CHCHK# and GND). > +Shorting thse two signals together causes an NMI, which these > +.Nm > +will catch and dump you into the debugger. Actually, the kernel will catch the NMI and "dump you into" (i.e., pass control to) <.Nm> (if <.Nm> is configured). > +Machines with outher buses, or other ways of generating an NMI can also other may (?) > +provide a hardware solution to break into a hung machine. ^^^^^^^^^^^^^^^^^ method for breaking (?) > +Some bridge chipsets do not actually generate a NMI on CHCHK#, so your an > +milage may vary. mileage > .Sh SEE ALSO > .Xr gdb 1 > .Sh HISTORY Bruce To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-doc" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.4.21.0105011531140.32403-100000>