Date: Fri, 04 Jan 2013 10:39:32 +0000 From: Vincent Hoffman <vince@unsane.co.uk> To: Paul Mather <paul@gromit.homeunix.org> Cc: stable@freebsd.org Subject: Re: Solved?: Re: Upgrade of RELENG_8 ZFS boot pool leads to unbootable system Message-ID: <50E6B164.50105@unsane.co.uk> In-Reply-To: <A690C516-E595-4001-8622-096D0CBF6A45@gromit.homeunix.org> References: <FA810100-4041-40D7-AE09-77E07C1E3206@gromit.homeunix.org> <50E48610.2040204@infracaninophile.co.uk> <A690C516-E595-4001-8622-096D0CBF6A45@gromit.homeunix.org>
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On 03/01/2013 21:18, Paul Mather wrote:
>
>
> It turns out it was my /boot.config that was preventing booting. The system is usually always headless, so I have "-S115200 -Dh" as the sole line in /boot.config to enable a 115200 baud serial console. This has been working fine for me up until I did a {build,install} {kernel,world} on 1st January 2013. I was pretty sure my woes began after I did the "zpool upgrade -a" and subsequently rebooted again, but now I can't be sure whether I successfully rebooted at all after the "make installworld" and mergemaster step.
>
> Does anyone know a sure-fire way of getting a dual console setup (high-speed serial + VGA). The recipe I had been using had worked well for a long time. I had "-S115200 -Dh" in /boot.config and the following entries in /boot/loader.conf:
>
> boot_multicons="YES"
> comconsole_speed="115200"
> console="comconsole,vidconsole"
>
> Now, though, if I have "-S115200 -Dh" then the system locks up at boot. Removing /boot.config gets me dual console, but only at 9600 baud. :-(
I have
root@copia:/root # more /boot.config
-Dh
and
root@copia:/root # grep 'cons' /boot/loader.conf
console="comconsole,vidconsole"
comconsole_speed="19200"
boot_multicons="yes"
Which works fine for ipmi based serial over lan console in a generic
9.1-RELEASE.
Not sure thats that helpful but 19200 is better than 9600 ;)
Vince
>
> Cheers,
>
> Paul.
>
> PS: Is the BOOT_COMCONSOLE_SPEED entry in /etc/make.conf needed? I was under the impression it has been obsolete for a while and took it out of my /etc/make.conf file.
>
>
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