9fans - fans of the OS Plan 9 from Bell Labs
 help / color / mirror / Atom feed
From: erik quanstrom <quanstro@quanstro.net>
To: 9fans@9fans.net
Subject: Re: [9fans] Install: root file system
Date: Mon, 11 Jan 2016 14:08:39 -0800	[thread overview]
Message-ID: <3066eb6bc89c9f3559933bd589d873b7@lilly.quanstro.net> (raw)
In-Reply-To: <20160111214752.GA502@polynum.com>

> If I'm not mistaken, the man page about kfs is misleading. It says that
> indeed what is not fossil is treated as "kfs", but that "kfs" handles
> cd9660 or dos too.
>
> If I understand correctly, this is not true. This is 9660srv or dossrv
> or bzfl programs that are copied as "kfs" in the special installation
> kernel root according to the type of the root filesystem to read.

yes, this is correct.  these programs masquerade as "kfs" to make the boot
process happy.

> Note to others: I have only a PS2 keyboard/mouse combo, and other
> serials are all USB. Disabling via plan9.ini the USB, even if attached
> as USB devices, the mouse and keyboard appear (I guess by some BIOS
> emulation). If USB is on, I have no mouse and no keyboard, or only one
> of the twoi: the one connected to the PS2 combo.

on many motherboards, ps/2 keyboard and mouse are emulated by bios.
when usb is turned on, then the the bootloader or os (perhaps via bios calls)
needs to deal with usb.

i think that the distribution usb is not working for some ehci chipsets, especially
those that need explicit bios handoff, and those with multiple ehci controllers.

- erik



      reply	other threads:[~2016-01-11 22:08 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-02 11:55 tlaronde
2016-01-03  0:26 ` erik quanstrom
2016-01-03 10:06   ` tlaronde
2016-01-11 20:06     ` Iruatã Souza
2016-01-11 21:47       ` tlaronde
2016-01-11 22:08         ` erik quanstrom [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=3066eb6bc89c9f3559933bd589d873b7@lilly.quanstro.net \
    --to=quanstro@quanstro.net \
    --cc=9fans@9fans.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).