Re: port-i386/40752: x86 bootloader panic()/exit() loop

["Jared D. McNeill" <jmcneill%invisible.ca@localhost>]

The following reply was made to PR port-i386/40752; it has been noted by GNATS.

From: "Jared D. McNeill" <jmcneill%invisible.ca@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: port-i386-maintainer%netbsd.org@localhost, 
gnats-admin%netbsd.org@localhost, 
 netbsd-bugs%netbsd.org@localhost
Subject: Re: port-i386/40752: x86 bootloader panic()/exit() loop
Date: Thu, 26 Feb 2009 10:00:20 -0500

 Matthias Drochner wrote:
 > The following reply was made to PR port-i386/40752; it has been noted by 
 > GNATS.
 > 
 > From: Matthias Drochner <M.Drochner%fz-juelich.de@localhost>
 > To: "Jared D. McNeill" <jmcneill%invisible.ca@localhost>
 > Cc: gnats-bugs%NetBSD.org@localhost, 
 > port-i386-maintainer%NetBSD.org@localhost,
 >      gnats-admin%NetBSD.org@localhost, netbsd-bugs%NetBSD.org@localhost
 > Subject: Re: port-i386/40752: x86 bootloader panic()/exit() loop 
 > Date: Thu, 26 Feb 2009 15:51:27 +0100
 > 
 >  jmcneill%invisible.ca@localhost said:
 >  > ``Ralf Brown's Interrupt List'' says about int 0x18: 
 >  > [...]
 >  
 >  There has been some research ~10 years ago when the
 >  boot code was reworked.
 >  PCs now usually try the next of the list of
 >  boot devices if a boot loader terminates with
 >  int 0x18, do the "press any key to reboot" prompt
 >  if none is left. So this would fit into the
 >  usual semantics.
 >  (This is only for biosboot; it only rarely works
 >  for network boot ROMs, and of course not from DOS.
 >  That's why the "exit" code needs to be booter
 >  specific rather than a generic library function.)
 
 Great. Is there a command at the boot prompt to do this as well? I can 
 see how that could come in handy.
 
 Cheers,
 Jared