From mboxrd@z Thu Jan  1 00:00:00 1970
Message-Id: <2024739E-69C6-4A14-9B11-2D583B3A1FC8@utopian.net>
From: Josh Wood <josh@utopian.net>
To: corey@bitworthy.net, Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
In-Reply-To: <200907212221.16902.corey@bitworthy.net>
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Date: Tue, 21 Jul 2009 22:59:49 -0700
References: <200907212221.16902.corey@bitworthy.net>
Subject: Re: [9fans] a few misc. questions...
Topicbox-Message-UUID: 2a329558-ead5-11e9-9d60-3106f5b1d025


> How do I enable hd dma?  There's a dmamode=ask in my plan9.ini, but
> I don't
> see that option mentioned in the plan9.ini man.

echo dma on > /dev/sdXY/ctl

see in sd(3).


> I've been running into mention of kfs throughout various rc scripts
> and
> whatnot; is kfs simply the default file system for a plan 9 terminal?

Kfs is the older disk file system for standalone terminals and the like.
For most purposes, fossil replaces it. Fossil is user-mode, while kfs
is a "kernel file system." See in kfs(4).


> Where's the boot log located (I looked in /sys/log)? I'm seeing some
> errors
> being printed to the console after I specified which user to log in
> as at the
> prompt, but those errors vanish too quickly for me to parse.
>

cat /dev/kmesg

You will usually need to be hostowner. See in cons(3). (And also
kprint there, for
routing the messages elsewhere.)


> Finally, regarding the errors I just mentioned, they seem to be
> something
> along the lines of:
>
> "can't initialize venti /dev/scd0/arenas: arena header or trailer
> corrupted"

My first guess is to ensure you haven't overlapped partitions or
something.

-Josh