Subject: Re: install/34280: cannot boot install media via serial
To: None <,,>
From: Manuel Bouyer <>
List: netbsd-bugs
Date: 09/05/2006 20:40:02
The following reply was made to PR install/34280; it has been noted by GNATS.

From: Manuel Bouyer <>
To: George Georgalis <>
Cc: Martin Husemann <>,
	Pavel Cahyna <>,,
	David Laight <>,,,
Subject: Re: install/34280: cannot boot install media via serial
Date: Tue, 5 Sep 2006 22:37:14 +0200

 On Tue, Sep 05, 2006 at 04:25:47PM -0400, George Georgalis wrote:
 > On Wed, Aug 30, 2006 at 09:46:05AM +0200, Martin Husemann wrote:
 > >On Wed, Aug 30, 2006 at 01:08:49AM +0200, Pavel Cahyna wrote:
 > >>  I would also consistently use speed of
 > >> 9600.
 > >
 > >I would do this too, as a quick check that everything works. If it does,
 > >you could, as Manuel suggested, write bootblock params with installboot to 
 > >set the real speed you want - and then turn console redirection in the BIOS
 > >back to the same value.
 > I found best results with minicom and target set for:
 > hardware flow control off
 > software flow control on
 > The blade hardware won't work at all at 9600.
 > Another amd64 does post bios and kernel checksum into serial at 9600.
 > The blade hardware has 3 settings for console redirection, tried
 > em all. off, bios post, after bios post. The latter two (at
 > 115200) give serial to checksum.
 > Same results for the other amd64, only 2 settings for console
 > redirection (on/off).  With redirection on I get same results at
 > 9600 and 115200, serial to checksum.
 > I'm stuck in the water.
 > When I find time, I may try PXE install with speed to 0, but
 > I think I've been through all permutations with two different
 > boards, and serial does not seem to work on amd64.
 test:/tmp#uname -a
 NetBSD 3.1_RC1 NetBSD 3.1_RC1 (GENERIC.MP) #1: Tue Sep  5 16:18:29 CEST 2006 amd64
 test:/tmp#sysctl kern.consdev
 kern.consdev = tty00
 boot blocks installed with installboot -o console=com0,speed=57600
 this is a Dell poweredge 1850 with  a remote control access card.
 I'll try the install kernel 
 Manuel Bouyer <>
      NetBSD: 26 ans d'experience feront toujours la difference