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From: Bruce Evans <bde@zeta.org.au>
Subject: Re: misc/62026: COM-ports disabled in BIOS = FreeBSD Freeze
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The following reply was made to PR misc/62026; it has been noted by GNATS.

From: Bruce Evans <bde@zeta.org.au>
To: Elof <elofu17@hotmail.com>
Cc: freebsd-gnats-submit@freebsd.org, freebsd-bugs@freebsd.org
Subject: Re: misc/62026: COM-ports disabled in BIOS = FreeBSD Freeze
Date: Fri, 30 Jan 2004 01:46:58 +1100 (EST)

 On Wed, 28 Jan 2004, Elof wrote:
 
 > >Fix:
 > This is a problem that is manually introduced. My hopes are that you could add some funtions that test wether any serial port exist before trying to use it. Then you could avoid the freeze and print/log a warning.
 
 There are already lots of existence checks.  Some BIOSes apparently "disable"
 com ports in such away that the existence checks pass.  Please include
 boot (-v) messages (just the sio parts) so that this can be debugged.
 
 Bruce