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Date:      Tue, 26 Sep 2006 09:10:24 +0300
From:      Danny Braniss <danny@cs.huji.ac.il>
To:        Michael Vince <mv@thebeastie.org>
Cc:        freebsd-stable@freebsd.org
Subject:   Re: probs on 6.2-prerelease 
Message-ID:  <E1GS69A-00044k-Nz@cs1.cs.huji.ac.il>
In-Reply-To: <45187F1D.4070500@thebeastie.org> 
References:  <45174A0C.50404@thebeastie.org> <E1GRquq-00015P-Gd@cs1.cs.huji.ac.il> <45187F1D.4070500@thebeastie.org>

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[...]
> 
> >>Hey all,
> >>
> >>I don't know if this is pre 6.2 specific but I changed my /etc/tty for 
> >>device ttyd0 to 'on' from 'off' and when I rebooted the pc I couldn't 
> >>login via regular KVM console, just don't get a login.
> >>The more alarming thing was that while it appeared everything was 
> >>booting up from the boot up messages on the screen, I couldn't remotely 
> >>log into the server in fact it appears the machine didn't bring up the 
> >>Ethernet device as I couldn't even ping it.
> >>As soon as I switched the ttyd0 back to 'off' and rebooted it I could 
> >>ssh back into the server etc.
> >>I have a regular kernel and 1 jail and samba on this machine.
> >>
> >>This might just be a ports thing but on another 6.2 server I setup a 
> >>jailed mail server with courier imap and I have noticed that it fails to 
> >>build the courier-imap port with FAM support.
> >>I tried also installing the gamin FAM alternative which builds ok but I 
> >>get signal 11 when I try to login to the imap server.
> >>
> >>Does anyone else have these problems?
> >>
> >>    
> >>
> >
> >I've been having this for a very long time, if the serial port does
> >not realy exist - i don't know the technical wording for this -,
> >
> >if the kernel detected the sio hardare, but it's not realy
> >wired, then it the kernel will hang when getty will try to open it.
> >
> >danny
> >  
> >
> OK good then its not just me, yes I haven't checked if the serial port 
> is actually enabled in the bios, still I think its quite ordinary to 
> have a machine basically fully hang up just because theres no active 
> serial port. With no network or serial (unless you can enable/find it 
> hardware side) I had to boot from the Freebsd install cdrom in fix it 
> mode and mount the installed setup and revert the tty change.
> 

next time, just boot single user, do a 
	fsck /
then 
	mount -u /
at which point you will be able to fix /etc/ttys
or any other screwup.

	danny





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