LDP
/
old-www
1
1
Fork 0
Code Issues Pull Requests Releases Wiki Activity
old-www/HOWTO/html_single/Compaq-T1500-HOWTO/index.html

1196 lines
22 KiB
HTML
Raw Permalink Blame History

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML
><HEAD
><TITLE
>CompaqT1500-Linux HOWTO</TITLE
><META
NAME="GENERATOR"
CONTENT="Modular DocBook HTML Stylesheet Version 1.7"></HEAD
><BODY
CLASS="ARTICLE"
BGCOLOR="#FFFFFF"
TEXT="#000000"
LINK="#0000FF"
VLINK="#840084"
ALINK="#0000FF"
><DIV
CLASS="ARTICLE"
><DIV
CLASS="TITLEPAGE"
><H1
CLASS="TITLE"
><A
NAME="AEN2"
></A
>CompaqT1500-Linux HOWTO</H1
><H3
CLASS="AUTHOR"
><A
NAME="AEN4"
>Thomas Chiverton</A
></H3
><DIV
CLASS="AFFILIATION"
><DIV
CLASS="ADDRESS"
><P
CLASS="ADDRESS"
>falken@bigfoot.com</P
></DIV
></DIV
><DIV
CLASS="REVHISTORY"
><TABLE
WIDTH="100%"
BORDER="0"
><TR
><TH
ALIGN="LEFT"
VALIGN="TOP"
COLSPAN="3"
><B
>Revision History</B
></TH
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 1.04</TD
><TD
ALIGN="LEFT"
>2007-9-1</TD
><TD
ALIGN="LEFT"
>Revised by: tjc</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Correct XF86Config URL, spellings</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 1.03</TD
><TD
ALIGN="LEFT"
>2006-1-13</TD
><TD
ALIGN="LEFT"
>Revised by: tjc</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Note about root-path option and refusing DHCP OFFER, notes on booting own kernel !</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 1.02</TD
><TD
ALIGN="LEFT"
>2005-4-22</TD
><TD
ALIGN="LEFT"
>Revised by: tjc</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>URL change, tweaks, solution to NFS null !</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 1.01</TD
><TD
ALIGN="LEFT"
>2002-3-17</TD
><TD
ALIGN="LEFT"
>Revised by: gea</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Conversion to Docbook format</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 1.0</TD
><TD
ALIGN="LEFT"
>2002-03-11</TD
><TD
ALIGN="LEFT"
>Revised by: tjc</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>LDP release</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.85</TD
><TD
ALIGN="LEFT"
>2001-12-13</TD
><TD
ALIGN="LEFT"
>Revised by: tjc</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Security hints. XFree.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.8</TD
><TD
ALIGN="LEFT"
>2001-12-13</TD
><TD
ALIGN="LEFT"
>Revised by: tjc</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Kernel transfer problem fix (NFS null). General tidy.</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.7</TD
><TD
ALIGN="LEFT"
>2001-09-11</TD
><TD
ALIGN="LEFT"
>Revised by: tjc</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Much FLASHing and mounting notes added</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.61</TD
><TD
ALIGN="LEFT"
>2001-08-20</TD
><TD
ALIGN="LEFT"
>Revised by: tjc</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Tweak debian unpack notes. Add URL. Notes on re-FLASH</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.6</TD
><TD
ALIGN="LEFT"
>2001-07-28</TD
><TD
ALIGN="LEFT"
>Revised by: tjc</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Add example syslog output. Add in securetty changes</TD
></TR
><TR
><TD
ALIGN="LEFT"
>Revision 0.5</TD
><TD
ALIGN="LEFT"
>2001-07-28</TD
><TD
ALIGN="LEFT"
>Revised by: tjc</TD
></TR
><TR
><TD
ALIGN="LEFT"
COLSPAN="3"
>Initial release for feedback, comments from community</TD
></TR
></TABLE
></DIV
><DIV
><DIV
CLASS="ABSTRACT"
><A
NAME="AEN65"
></A
><P
><B
>Abstract</B
></P
><P
> Lists the procedures and tools needed to boot the Compaq T1500, using a Netboot of both the native file system and a generic Linux installation.
</P
></DIV
></DIV
><HR></DIV
><DIV
CLASS="TOC"
><DL
><DT
><B
>Table of Contents</B
></DT
><DT
>1. <A
HREF="#ABOUT"
>About this guide</A
></DT
><DD
><DL
><DT
>1.1. <A
HREF="#AEN70"
>Purpose and scope</A
></DT
><DT
>1.2. <A
HREF="#AEN73"
>Latest update</A
></DT
><DT
>1.3. <A
HREF="#AEN77"
>Feedback</A
></DT
></DL
></DD
><DT
>2. <A
HREF="#AEN80"
>Introduction</A
></DT
><DT
>3. <A
HREF="#COMPAQ"
>The Compaq way</A
></DT
><DT
>4. <A
HREF="#DEBIAN"
>The one true way</A
></DT
><DT
>5. <A
HREF="#AEN131"
>Editing FLASH image and other tools</A
></DT
><DD
><DL
><DT
>5.1. <A
HREF="#AEN133"
>Editing Flash image</A
></DT
><DT
>5.2. <A
HREF="#AEN142"
>Mounting FLASH</A
></DT
></DL
></DD
><DT
>6. <A
HREF="#AEN146"
>XFree86</A
></DT
><DT
>7. <A
HREF="#AEN153"
>Trouble Shooting</A
></DT
><DD
><DL
><DT
>7.1. <A
HREF="#AEN166"
>Intermittent kernel transfer problems (NFS null)</A
></DT
><DT
>7.2. <A
HREF="#AEN173"
>T1500 ignores DHCP OFFER and just asks again</A
></DT
></DL
></DD
><DT
>8. <A
HREF="#AEN176"
>Pending projects</A
></DT
><DT
>9. <A
HREF="#AEN183"
>Contributors and thanks</A
></DT
></DL
></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="ABOUT"
></A
>1. About this guide</H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN70"
></A
>1.1. Purpose and scope</H2
><P
>This document is aimed at the Linux enthusiast with an average level of knowledge. In particular you must be happy with configuring, restarting (or installing) new services.You will need a Linux server and (of course) a T1500.</P
></DIV
><DIV
CLASS="SECT2"
><HR><H2
CLASS="SECT2"
><A
NAME="AEN73"
></A
>1.2. Latest update</H2
><P
>The most up to date copy of this document can be found at <A
HREF="http://www.falkensweb.com/t1500.html"
TARGET="_top"
>www.falkensweb.com/t1500.html</A
></P
></DIV
><DIV
CLASS="SECT2"
><HR><H2
CLASS="SECT2"
><A
NAME="AEN77"
></A
>1.3. Feedback</H2
><P
>Comments and feedback should go the the author listed at the head of the document.</P
></DIV
></DIV
><DIV
CLASS="SECT1"
><HR><H1
CLASS="SECT1"
><A
NAME="AEN80"
></A
>2. Introduction</H1
><P
>The T1500 is a Linux based diskless thin client, able to boot off internal FLASH RAM into X. It will acquire TCP/IP information from DHCP, and includes telnet and a WWW browser. In this configuration, the T1500 is useful as a small
Internet access device.However, the T1500 can also operate as a diskless client, acquiring it's initial
kernel and root file system from a remote machine (this uses 'TFTP' for the
1st stage, and 'NFS' for the latter). Compaq provide a CD with a kernel image
and root file system, along with management tools, but these tools are not needed,
and have been found to fail on some systems. This will be discussed in the 'Compaq
Way' section.</P
><P
>It is also possible to use the Compaq kernel to boot a normal Linux based distribution.
We use <A
HREF="http://www.debian.org"
TARGET="_top"
>Debian</A
> as an example, but the process
is fairly generic, and discussed in the 'One True Way' section.</P
><P
>We will assume:
A working DNS server on 192.168.1.1 (bookcase) and that this machine will serve
the kernel and file system
The T1500 is to be installed as 192.168.1.52 (box).
The domain is 'house'.
No special routing is needed.
In the examples a RedHat server is used, but the specifics should apply to any
GNU based system.</P
></DIV
><DIV
CLASS="SECT1"
><HR><H1
CLASS="SECT1"
><A
NAME="COMPAQ"
></A
>3. The Compaq way</H1
><P
>Create the directories for the kernel and file system on your server, mount
and copy the files from the Compaq CD. Unpack the file system:</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>mkdir /exports/T1500
mkdir /exports/T1500/root
mkdir /exports/T1500/tftpboot
mount /cdrom
cp /cdrom/product/vmlinux /exports/T1500/tftpboot
cd /exports/T1500/root
tar xvf /cdrom/product/netboot.tar</PRE
></FONT
></TD
></TR
></TABLE
><P
>Configure DHCP by adding a section like this to your /etc/dhcpd.conf</P
><P
>Change the ethernet address to that of your T1500.</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>group {
#little black box
host box {
hardware ethernet 00:80:64:10:1d:1c;
fixed-address box.house;
option host-name "box";
server-name "192.168.1.1";
filename "/exports/T1500/tftpboot/vmlinux";
option root-path "192.168.1.1:/exports/T1500/root";
}
}</PRE
></FONT
></TD
></TR
></TABLE
><P
>Configure a new host in DNS</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>db.192.168.1.1:
52 in ptr box.&#13;</PRE
></FONT
></TD
></TR
></TABLE
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>db.house:
box in a 192.168.1.52</PRE
></FONT
></TD
></TR
></TABLE
><P
>Export the root file system by adding</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>/exports/T1500/root box(rw,no_root_squash)</PRE
></FONT
></TD
></TR
></TABLE
><P
>to</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>/etc/exports</PRE
></FONT
></TD
></TR
></TABLE
><P
>Configuring tftp by adding/altering a line to /etc/inetd.conf</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>tftp dgram udp wait root /usr/sbin/tcpd in.tftpd /exports/T1500/tftpboot</PRE
></FONT
></TD
></TR
></TABLE
><P
>Now restart inetd,dhcpd,nfs and named
Select the 'netboot' option on the T1500, and reboot.
The T1500 will now boot into something very similar to its normal O/S.
You may want to add</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>exec /nor/Xbin/xterm &#38;</PRE
></FONT
></TD
></TR
></TABLE
><P
>as the penultimate line in</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>/exports/T1500/root/root/.xinitrc</PRE
></FONT
></TD
></TR
></TABLE
><P
>and then logout and back in again, to get an xterm.</P
></DIV
><DIV
CLASS="SECT1"
><HR><H1
CLASS="SECT1"
><A
NAME="DEBIAN"
></A
>4. The one true way</H1
><P
>We use the debian 'potato' (2.2) release as an example. The procedure should
be similar no matter which distribution you choose, providing it will run on
a 2.0.35 kernel.</P
><P
>Create the directories for the kernel and file system on your server, mount
and copy the files from the Compaq CD. Unpack the file system (Here I use some
pre-made tar balls of the debian release, here is not the place to discuss further):</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>mkdir /exports/T1500
mkdir /exports/T1500/root
mkdir /exports/T1500/tftpboot</PRE
></FONT
></TD
></TR
></TABLE
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>mount /cdrom
cp /cdrom/product/vmlinux /exports/T1500/tftpboot
CD /exports/T1500/root
tar zxvf /tmp/base2_2.tgz
tar zxvf /tmp/telnetd*.tgz</PRE
></FONT
></TD
></TR
></TABLE
><P
>Configure DHCP by adding a section like this to your /etc/dhcpd.conf
Change the ethernet address to that of your T1500.</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>Group {
#little black box
host box {
hardware ethernet 00:80:64:10:1d:1c;
fixed-address box.house;
option host-name "box";
server-name "192.168.1.1";
filename "/exports/T1500/tftpboot/vmlinux";
option root-path "192.168.1.1:/exports/T1500/root";
}
}</PRE
></FONT
></TD
></TR
></TABLE
><P
>Configure a new host in DNS</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>db.192.168.1.1:
52 in ptr box.</PRE
></FONT
></TD
></TR
></TABLE
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>db.house:
box in a 192.168.1.52</PRE
></FONT
></TD
></TR
></TABLE
><P
>Export the root file system by adding</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>/exports/T1500/root box(rw,no_root_squash)</PRE
></FONT
></TD
></TR
></TABLE
><P
>to /etc/exports </P
><P
>Configuring tftp by adding/altering a line to /etc/inetd.conf</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>tftp dgram udp wait root /usr/sbin/tcpd in.tftpd /exports/T1500/tftpboot</PRE
></FONT
></TD
></TR
></TABLE
><P
>Now restart inetd,dhcpd,nfs and named</P
><P
>Configure the file system by setting the root password to 'pass', exposing telnetd</P
><P
>/exports/T1500/root/etc/passwd, alter 1st line: root:Z/U2u32VhNJoA:0:0:,,,:/root:/bin/bash</P
><P
>/exports/T1500/root/etc/inetd.conf, add: telnet stream tcp nowait root /usr/sbin/tcpd in.telnetd</P
><P
>Append remote terminals to /etc/securetty to allow remote root access.</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>tty1
tty2
tty3
tty4
tty5
tty6
tty7
tty8
tty9
tty10
tty11
tty12
ttyp0
ttyp1
ttyp2
ttyp3</PRE
></FONT
></TD
></TR
></TABLE
><P
>Select network booting on the T1500 and reboot it.</P
><P
>Once it has booted, you should be able to telnet into the T1500. At ths point,
you shoudl configure SSH, and close the telnet hole in inetd.</P
></DIV
><DIV
CLASS="SECT1"
><HR><H1
CLASS="SECT1"
><A
NAME="AEN131"
></A
>5. Editing FLASH image and other tools</H1
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN133"
></A
>5.1. Editing Flash image</H2
><P
>The T1500s come with a utility called 'makeflash' (which lives in /sbin and
also comes on the CD). You can use this to generate a flash filesystem image
from a tar.gz, which can either be local, or an NFS / SMB file. This utility
generates all the necessary checksums too.</P
><P
>1. Flashing with a Slackware 8.0 image doesn't work, even with the calculated checksum. This suggests to me that there is a further check made on vmlinux itself.</P
><P
>2. Having dissected the leo.boot and vmlinux files supplied with the unit,
I
suspect that leo.boot checks vmlinux for the string "xxxxyyyyWYSEwysexxxx"
which is duly included in the custom kernel they use.</P
><P
>3. Leo.boot is in fact a Win CE related thing, with a queer bolt-on to allow
linux boots. The normal Win CE leo.boot is about half the size. It uses
the Eboot protocol for both ethernet and parallel port flash programming.
There are some free Linux tools available to format images correctly for
replacing leo.boot and also the OS image, but they rely on you supplying a
suitably compiled object version of the bootrom.</P
><P
>Be careful when running it though - it is possible to flash the thing to a
state in which the only way to get it booting again is to use the Wyse-provided
DOS util / laplink cable setup.</P
><P
>Also, if anyone manages to get makeflash running on something which isn't the
terminal, could you let me know how? AFAICT, it's trying to link with a very
old glibc and libforms.You should be able to flash-update the T1500 a few 100,000 times.</P
><P
>Apparently the T1500 is a Wyse WT3X15, based on what they call the 'Leo Board'.
You can download a DOS reflashing util, and some docs for it from the UK Wyse
website, in the Customer Support section's firmware page. It requires a parallel
laplink cable.</P
></DIV
><DIV
CLASS="SECT2"
><HR><H2
CLASS="SECT2"
><A
NAME="AEN142"
></A
>5.2. Mounting FLASH</H2
><P
>After running the mknod commands below, you can then mount /dev/fnand and /dev/fnand1, which are both 16Mb flashfs partitions. You can also mount /dev/fram, and write
to it, however the data disappeared after umounting &#38; remounting. It may have
use as swap space.</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>mknod /dev/fcard b 63 0
mknod /dev/fcard.fmt b 63 128
mknod /dev/fcard1 b 63 1
mknod /dev/fcard1.fmt b 63 129
mknod /dev/fnand b 62 0
mknod /dev/fnand.fmt b 62 128
mknod /dev/fnand1 b 62 2
mknod /dev/fnand1.fmt b 62 120
mknod /dev/fnor b 65 0
mknod /dev/fnor.2m b 65 128
mknod /dev/fram b 64 128</PRE
></FONT
></TD
></TR
></TABLE
></DIV
></DIV
><DIV
CLASS="SECT1"
><HR><H1
CLASS="SECT1"
><A
NAME="AEN146"
></A
>6. XFree86</H1
><P
>To boot up into XFree86, grab and install the normal XFree packages.
Grab and install the XF86Config file from <A
HREF="http://www.falkensweb.com/t1500.html"
TARGET="_top"
>http://www.falkensweb.com/t1500.html</A
>.
Use a line like</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>xinit -- -bpp 16 &#38;</PRE
></FONT
></TD
></TR
></TABLE
><P
>In rc.local (or your distributions equiv.) to start it up automaticly.
To do the safe thing and run X as a user, create the user and use something
like the following to start and stop it (I placed this in the init.d dir. and
linked from rc.4). Change 'mplayer' on line 5 to your username.</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>#! /bin/sh
case "$1" in
start)
echo -n "Automatically logging into X"
su -c 'cd ~mplayer &#38;&#38; xinit -- -bpp 16' - mplayer &#38;
echo "."
;;
stop|restart)
;;
*)
echo "Usage: /etc/init.d/mplayer {start|stop|restart}"
exit 1
esac
exit 0</PRE
></FONT
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="SECT1"
><HR><H1
CLASS="SECT1"
><A
NAME="AEN153"
></A
>7. Trouble Shooting</H1
><P
>The servers log file (/var/log/messages) should contain hints as to where you've
got to in the boot process, as it should log TFTP transfers, NFS mounts etc.
If not, add</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>*.* /var/log/messages</PRE
></FONT
></TD
></TR
></TABLE
><P
> to</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>/etc/syslogd.conf</PRE
></FONT
></TD
></TR
></TABLE
><P
>and restart syslog</P
><P
>tcpdump allows you to see what packets are being transfered, and their NFS
filenames.</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
> tcpdump -i eth0 -s 500 host box</PRE
></FONT
></TD
></TR
></TABLE
><P
>Your output from syslog should resemble:</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>Jul 24 21:37:00 bookcase dhcpd: DHCPDISCOVER from 00:80:64:10:1d:1c via eth0
Jul 24 21:37:00 bookcase dhcpd: DHCPOFFER on 192.168.1.52 to 00:80:64:10:1d:1c via eth0
Jul 24 21:37:04 bookcase dhcpd: DHCPREQUEST for 192.168.1.52 from 00:80:64:10:1d:1c via eth0
Jul 24 21:37:04 bookcase dhcpd: DHCPACK on 192.168.1.52 to 00:80:64:10:1d:1c via eth0
Jul 24 21:37:04 bookcase tftpd[5003]: tftpd: trying to get file: /exports/T1500/tftpboot/vmlinux
Jul 24 21:37:24 bookcase mountd[4853]: authenticated mount request from box:600</PRE
></FONT
></TD
></TR
></TABLE
><P
>Your tcpdump output should look like (when idle):</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>17:31:41.450000 box.8022008 &#62; bookcase.nfs: 116 lookup fh Unknown/1 "initctl"
17:31:41.450000 bookcase.nfs &#62; box.8022008: reply ok 128 lookup fh Unknown/1</PRE
></FONT
></TD
></TR
></TABLE
><DIV
CLASS="SECT2"
><HR><H2
CLASS="SECT2"
><A
NAME="AEN166"
></A
>7.1. Intermittent kernel transfer problems (NFS null)</H2
><P
>There is a known problem which occasionally causes the T1500 to fail to reboot,
apparently because it fails to tftp the kernel after the reboot. A tcpdump of
this happening will resemble:</P
><TABLE
BORDER="1"
BGCOLOR="#E0E0E0"
WIDTH="100%"
><TR
><TD
><FONT
COLOR="#000000"
><PRE
CLASS="SCREEN"
>12:04:38.506153 box.2049 &#62; bookcase.house.tftp: 39 RRQ "/exports/T1500/tftpboot/vmlinux"
12:04:38.556153 bookcase.house.1199 &#62; box.2049: udp 516
12:04:38.556153 box.2049 &#62; bookcase.house.1199: udp 4
12:04:38.556153 bookcase.house.196610 &#62; box.nfs: 516 null
12:04:38.556153 box.2049 &#62; bookcase.house.1199: udp 4
12:04:38.556153 bookcase.house.196611 &#62; box.nfs: 516 null
12:04:38.556153 box.2049 &#62; bookcase.house.1199: udp 4
12:04:38.556153 bookcase.house.196612 &#62; box.nfs: 516 null
12:04:38.556153 box.2049 &#62; bookcase.house.1199: udp 4
12:04:38.566153 bookcase.house.196613 &#62; box.nfs: 516 null
12:04:38.566153 box.2049 &#62; bookcase.house.1199: udp 4
12:04:38.566153 bookcase.house.196614 &#62; box.nfs: 516 null
12:04:38.566153 box.2049 &#62; bookcase.house.1199: udp 4
12:04:38.566153 bookcase.house.196615 &#62; box.nfs: 516 null</PRE
></FONT
></TD
></TR
></TABLE
><P
>You will then see a syslog entry from tftp indicating that it is sending the
kernel, but no packets are exchanged. ARP requests go unanswered.</P
><P
>This can be resolved, but if you have your T1500 headless in a corner, is a
PITA.
Connect a monitor, keyboard and PS/2 mouse if not present.
Reboot the T1500, and press 'L' after the 1st beep.
The T1500 will now boot locally. Change the boot mode to 'Local' (Start-&#62;System
menu) and reboot.
Change the boot mode back to 'Network'</P
><P
>If this happens to you a lot, please try out tiggers-magic-tftpd. You can find this
at the same URL this document gives as the current home of the T1500 HOWTO. It requires python,
and has been reported to solve the problem. Please let me know how you get on !</P
></DIV
><DIV
CLASS="SECT2"
><HR><H2
CLASS="SECT2"
><A
NAME="AEN173"
></A
>7.2. T1500 ignores DHCP OFFER and just asks again</H2
><P
>There is a bug in the BIOS, all DHCP packets must contain a 'root-path' option, even
if you are booting your own kernel which doesn't need one.</P
></DIV
></DIV
><DIV
CLASS="SECT1"
><HR><H1
CLASS="SECT1"
><A
NAME="AEN176"
></A
>8. Pending projects</H1
><P
>Edit / re-flash FLASH</P
><P
>PCMCIA usage - probably needs the next item :-)</P
><P
>Custom kernel (TFTP loader looks at checksum / WYSE string, we have a checksum maker now !)</P
><P
>Text mode console</P
><P
>SSH / SSHd / gcc for Compaq file system (should be easy to copy once compiled
on custom FS)</P
></DIV
><DIV
CLASS="SECT1"
><HR><H1
CLASS="SECT1"
><A
NAME="AEN183"
></A
>9. Contributors and thanks</H1
><P
>[incomplete, real names needed too]</P
><P
>Cez</P
><P
>John Topper</P
><P
>Grapham Wood</P
><P
>Mike Sparks</P
><P
>James Mulcahy</P
><P
>Tigger</P
></DIV
></DIV
></BODY
></HTML
>
Reference in New Issue View Git Blame Copy Permalink