<HTML ><HEAD ><TITLE >Frequently Asked Question (FAQ) list</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.63 "><LINK REL="HOME" TITLE="The Linux Bootdisk HOWTO" HREF="index.html"><LINK REL="PREVIOUS" TITLE="Creating bootable CD-ROMs" HREF="cd-roms.html"><LINK REL="NEXT" TITLE="Resources and pointers" HREF="a1376.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >The Linux Bootdisk HOWTO</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="cd-roms.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="a1376.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="AEN1143" >12. Frequently Asked Question (FAQ) list</A ></H1 ><DIV CLASS="QANDASET" ><DL ><DT >Q: <A HREF="x1143.html#AEN1147" ><EM >I boot from my boot/root disks and nothing happens. What do I do?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1154" ><EM >How does the Slackware/Debian/RedHat bootdisk work?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1161" ><EM >How do I use higher-density (> 1440K) diskettes? How do I figure out which densities will work with my diskette drive?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1168" ><EM >How do I increase the size of my ramdisks?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1192" ><EM >How do I make bootable CD-ROMs? </EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1199" ><EM >How do I make bootable LS-120 disks?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1210" ><EM >How can I make a boot disk with a XYZ driver?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1227" ><EM >How do I update my root diskette with new files?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1242" ><EM >How do I remove LILO so that I can use DOS to boot again?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1258" ><EM >How can I boot if I've lost my kernel <EM >and</EM > my boot disk?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1281" ><EM >How can I make extra copies of boot/root diskettes?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1304" ><EM >How can I boot without typing in “ahaxxxx=nn,nn,nn” every time?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1337" ><EM >At boot time, I get error “<TT CLASS="LITERAL" >A: cannot execute B</TT >”. Why?</EM ></A ></DT ><DT >Q: <A HREF="x1143.html#AEN1364" ><EM >My kernel has ramdisk support, but initializes ramdisks of 0K. Why?</EM ></A ></DT ></DL ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1147" ></A ><B >Q: </B ><EM >I boot from my boot/root disks and nothing happens. What do I do?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B >See <A HREF="troubleshooting.html" >Section 7</A >, above.</P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1154" ></A ><B >Q: </B ><EM >How does the Slackware/Debian/RedHat bootdisk work?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B >See <A HREF="pros.html" >Section 10</A >, above.</P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1161" ></A ><B >Q: </B ><EM >How do I use higher-density (> 1440K) diskettes? How do I figure out which densities will work with my diskette drive?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B >See Section <A HREF="slimfast.html" >Section 8</A >, above, for the comments by Alain Knaff on this subject. His is the most authoritative answer I know of.</P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1168" ></A ><B >Q: </B ><EM >How do I increase the size of my ramdisks?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B >This probably should be explained better in the text, but I'll put an answer here for the time being.</P ><P >First, <EM >do not</EM > attempt to use the <TT CLASS="LITERAL" >rdev</TT > or <TT CLASS="LITERAL" >ramsize</TT > commands to do this, no matter what their documentation says. The ramdisk word no longer determines the size of ramdisks.</P ><P >Second, keep in mind that ramdisks are actually dynamic; when you set a ramdisk size you aren't allocating any memory, you're just setting the limit of how large it can grow. Don't be afraid to set these fairly large (eg, 8 or even 16 meg). The RAM space is not actually consumed until you need it. You can set these limits in one of several ways. </P ><P ><P ></P ><OL TYPE="1" ><LI ><P >Use the <TT CLASS="LITERAL" >ramdisk_size=NNN</TT > command line parameter. You can either enter this manually or use a command like <TT CLASS="LITERAL" >append="ramdisk_size=NNN"</TT > with LILO.</P ></LI ><LI ><P >If you're using LILO, you can use a kernel option like <TT CLASS="LITERAL" >ramdisk=8192K</TT > in the <TT CLASS="LITERAL" >lilo.conf</TT > file.</P ></LI ><LI ><P >Change the kernel configuration option <TT CLASS="LITERAL" >CONFIG_BLK_DEV_RAM_SIZE</TT > and recompile your kernel.</P ></LI ></OL ></P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1192" ></A ><B >Q: </B ><EM >How do I make bootable CD-ROMs? </EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B >See section <A HREF="cd-roms.html" >Section 11</A >.</P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1199" ></A ><B >Q: </B ><EM >How do I make bootable LS-120 disks?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B >Since I don't have an LS-120 drive, the following information is summarized from <A HREF="http://www.linuxrouter.org/floppy.shtml" TARGET="_top" > information provided by Dave Cinege</A > from the Linux Router Project.</P ><P > The LS-120 is an IDE floppy drive. It is compatible with both standard 3.5" disks and the new 120MB disks. As of Linux v2.0.31 there is full support. To be able to boot from these you must have a BIOS that specifically allows the LS-120 to be treated as drive 0 (whereas IDE devices normally start at 80). If you do not have BIOS support, you can purchase a small IDE FloppyMAX card from Promise Technologies to overcome this deficiency.</P ><P > The kernel boot loader does not like the LS-120, and instantly dies. Also 2m disks do not like it and will not boot. 1.44MB through 1.74MB disks will work fine. SYSLINUX works with the 120MB disks as of v1.32. You would better off partitioning the disk and using ext2 or minix, instead of SYSLINUX unless you need MS-DOS compatibility.</P ><P >LILO does work fine with 120MB disks. Here is a sample lilo.conf: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > boot=/dev/hda compact disk=/dev/hda bios=0 install=/floppy/boot.b map=/floppy/map image=/floppy/linux label=Linux append="load_ramdisk=1" initrd=/floppy/root.bin ramdisk=8192</PRE ></FONT ></TD ></TR ></TABLE > The line "disk=/dev/hda bios=0" is what does the trick to make it boot the LS-120.</P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1210" ></A ><B >Q: </B ><EM >How can I make a boot disk with a XYZ driver?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B >The easiest way is to obtain a Slackware kernel from your nearest Slackware mirror site. Slackware kernels are generic kernels which atttempt to include drivers for as many devices as possible, so if you have a SCSI or IDE controller, chances are that a driver for it is included in the Slackware kernel.</P ><P >Go to the <TT CLASS="FILENAME" >a1</TT > directory and select either IDE or SCSI kernel depending on the type of controller you have. Check the xxxxkern.cfg file for the selected kernel to see the drivers which have been included in that kernel. If the device you want is in that list, then the corresponding kernel should boot your computer. Download the xxxxkern.tgz file and copy it to your boot diskette as described above in the section on making boot disks.</P ><P > You must then check the root device in the kernel, using the command <B CLASS="COMMAND" >rdev zImage</B >. If this is not the same as the root device you want, use <B CLASS="COMMAND" >rdev</B > to change it. For example, the kernel I tried was set to <TT CLASS="FILENAME" >/dev/sda2</TT >, but my root SCSI partition is <TT CLASS="FILENAME" >/dev/sda8</TT >. To use a root diskette, you would have to use the command <B CLASS="COMMAND" >rdev zImage /dev/fd0</B >.</P ><P >If you want to know how to set up a Slackware root disk as well, that's outside the scope of this HOWTO, so I suggest you check the Linux Install Guide or get the Slackware distribution. See the section in this HOWTO titled ``References''.</P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1227" ></A ><B >Q: </B ><EM >How do I update my root diskette with new files?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B > The easiest way is to copy the filesystem from the rootdisk back to the <SPAN CLASS="SYMBOL" >DEVICE</SPAN > you used (from <A HREF="buildroot.html#CREATINGROOTFS" >Section 4.2</A >, above). Then mount the filesystem and make the changes. You have to remember where your root filesystem started and how many blocks it occupied: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > dd if=/dev/fd0 bs=1k skip=ROOTBEGIN count=BLOCKS | gunzip > <SPAN CLASS="SYMBOL" >DEVICE</SPAN > mount -t ext2 <SPAN CLASS="SYMBOL" >DEVICE</SPAN > /mnt</PRE ></FONT ></TD ></TR ></TABLE > After making the changes, proceed as before (in <A HREF="buildroot.html#WRAPPINGITUP" >Section 4.7</A >) and transfer the root filesystem back to the disk. You should not have to re-transfer the kernel or re-compute the ramdisk word if you do not change the starting position of the new root filesystem.</P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1242" ></A ><B >Q: </B ><EM >How do I remove LILO so that I can use DOS to boot again?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B >This is not really a Bootdisk topic, but it is asked often. Within Linux, you can run: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > /sbin/lilo -u</PRE ></FONT ></TD ></TR ></TABLE ></P ><P > You can also use the <B CLASS="COMMAND" >dd</B > command to copy the backup saved by LILO to the boot sector. Refer to the LILO documentation if you wish to do this.</P ><P >Within DOS and Windows you can use the DOS command: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > FDISK /MBR</PRE ></FONT ></TD ></TR ></TABLE > MBR stands for Master Boot Record. This command replaces the boot sector with a clean DOS one, without affecting the partition table. Some purists disagree with this, but even the author of LILO, Werner Almesberger, suggests it. It is easy, and it works.</P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1258" ></A ><B >Q: </B ><EM >How can I boot if I've lost my kernel <EM >and</EM > my boot disk?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B >If you don't have a boot disk standing by, probably the easiest method is to obtain a Slackware kernel for your disk controller type (IDE or SCSI) as described above for ``How do I make a boot disk with a XXX driver?''. You can then boot your computer using this kernel, then repair whatever damage there is.</P ><P > The kernel you get may not have the root device set to the disk type and partition you want. For example, Slackware's generic SCSI kernel has the root device set to <TT CLASS="FILENAME" >/dev/sda2</TT >, whereas my root Linux partition happens to be <TT CLASS="FILENAME" >/dev/sda8</TT >. In this case the root device in the kernel will have to be changed.</P ><P >You can still change the root device and ramdisk settings in the kernel even if all you have is a kernel, and some other operating system, such as DOS.</P ><P > <B CLASS="COMMAND" >rdev</B > changes kernel settings by changing the values at fixed offsets in the kernel file, so you can do the same if you have a hex editor available on whatever systems you do still have running -- for example, Norton Utilities Disk Editor under DOS. You then need to check and if necessary change the values in the kernel at the following offsets: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" >HEX DEC DESCRIPTION 0x01F8 504 Low byte of RAMDISK word 0x01F9 505 High byte of RAMDISK word 0x01FC 508 Root minor device number - see below 0X01FD 509 Root major device number - see below</PRE ></FONT ></TD ></TR ></TABLE ></P ><P >The interpretation of the ramdisk word was described in <A HREF="x703.html#SETTINGRAMDISKWORD" >Section 6.3</A >, above.</P ><P >The major and minor device numbers must be set to the device you want to mount your root filesystem on. Some useful values to select from are: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" >DEVICE MAJOR MINOR /dev/fd0 2 0 1st floppy drive /dev/hda1 3 1 partition 1 on 1st IDE drive /dev/sda1 8 1 partition 1 on 1st SCSI drive /dev/sda8 8 8 partition 8 on 1st SCSI drive</PRE ></FONT ></TD ></TR ></TABLE > Once you have set these values then you can write the file to a diskette using either Norton Utilities Disk Editor, or a program called <B CLASS="COMMAND" >rawrite.exe</B >. This program is included in all distributions. It is a DOS program which writes a file to the ``raw'' disk, starting at the boot sector, instead of writing it to the file system. If you use Norton Utilities you must write the file to a physical disk starting at the beginning of the disk.</P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1281" ></A ><B >Q: </B ><EM >How can I make extra copies of boot/root diskettes?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B >Because magnetic media may deteriorate over time, you should keep several copies of your rescue disk, in case the original is unreadable.</P ><P > The easiest way of making copies of any diskettes, including bootable and utility diskettes, is to use the <B CLASS="COMMAND" >dd</B > command to copy the contents of the original diskette to a file on your hard drive, and then use the same command to copy the file back to a new diskette. Note that you do not need to, and should not, mount the diskettes, because <B CLASS="COMMAND" >dd</B > uses the raw device interface.</P ><P >To copy the original, enter the command: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > dd if=<SPAN CLASS="SYMBOL" >DEVICENAME</SPAN > of=<SPAN CLASS="SYMBOL" >FILENAME</SPAN ></PRE ></FONT ></TD ></TR ></TABLE > where <SPAN CLASS="SYMBOL" >DEVICENAME</SPAN > is the device name of the diskette drive and <SPAN CLASS="SYMBOL" >FILENAME</SPAN > is the name of the (hard-disk) output file. Omitting the <TT CLASS="LITERAL" >count</TT > parameter causes <B CLASS="COMMAND" >dd</B > to copy the whole diskette (2880 blocks if high-density).</P ><P >To copy the resulting file back to a new diskette, insert the new diskette and enter the reverse command: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > dd if=<SPAN CLASS="SYMBOL" >FILENAME</SPAN > of=<SPAN CLASS="SYMBOL" >DEVICENAME</SPAN ></PRE ></FONT ></TD ></TR ></TABLE ></P ><P >Note that the above discussion assumes that you have only one diskette drive. If you have two of the same type, you can copy diskettes using a command like: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > dd if=/dev/fd0 of=/dev/fd1</PRE ></FONT ></TD ></TR ></TABLE ></P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1304" ></A ><B >Q: </B ><EM >How can I boot without typing in “ahaxxxx=nn,nn,nn” every time?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B > Where a disk device cannot be autodetected it is necessary to supply the kernel with a command device parameter string, such as: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > aha152x=0x340,11,3,1</PRE ></FONT ></TD ></TR ></TABLE > This parameter string can be supplied in several ways using LILO: <P ></P ><UL ><LI ><P >By entering it on the command line every time the system is booted via LILO. This is boring, though.</P ></LI ><LI ><P >By using LILO's <TT CLASS="LITERAL" >lock</TT > keyword to make it store the command line as the default command line, so that LILO will use the same options every time it boots.</P ></LI ><LI ><P >By using the <TT CLASS="LITERAL" >append=</TT > statement in the LILO config file. Note that the parameter string must be enclosed in quotes.</P ></LI ></UL ></P ><P > For example, a sample command line using the above parameter string would be: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > zImage aha152x=0x340,11,3,1 root=/dev/sda1 lock</PRE ></FONT ></TD ></TR ></TABLE ></P ><P > This would pass the device parameter string through, and also ask the kernel to set the root device to <TT CLASS="FILENAME" >/dev/sda1</TT > and save the whole command line and reuse it for all future boots.</P ><P >A sample APPEND statement is: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > APPEND = “aha152x=0x340,11,3,1”</PRE ></FONT ></TD ></TR ></TABLE ></P ><P > Note that the parameter string must <EM >not</EM > be enclosed in quotes on the command line, but it <EM >must</EM > be enclosed in quotes in the <TT CLASS="LITERAL" >APPEND</TT > statement.</P ><P > Note also that for the parameter string to be acted on, the kernel must contain the driver for that disk type. If it does not, then there is nothing listening for the parameter string, and you will have to rebuild the kernel to include the required driver. For details on rebuilding the kernel, go to <TT CLASS="FILENAME" >/usr/src/linux</TT > and read the README, and read the Linux FAQ and Installation HOWTO. Alternatively you could obtain a generic kernel for the disk type and install that.</P ><P >Readers are strongly urged to read the LILO documentation before experimenting with LILO installation. Incautious use of the <TT CLASS="LITERAL" >BOOT</TT > statement can damage partitions.</P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1337" ></A ><B >Q: </B ><EM >At boot time, I get error “<TT CLASS="LITERAL" >A: cannot execute B</TT >”. Why?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B > There are several cases of program names being hardcoded in various utilities. These cases do not occur everywhere, but they may explain why an executable apparently cannot be found on your system even though you can see that it is there. You can find out if a given program has the name of another hardcoded by using the <B CLASS="COMMAND" >strings</B > command and piping the output through <B CLASS="COMMAND" >grep</B >.</P ><P >Known examples of hardcoding are: <P ></P ><UL ><LI ><P ><B CLASS="COMMAND" >shutdown</B > in some versions has <TT CLASS="FILENAME" >/etc/reboot</TT > hardcoded, so <B CLASS="COMMAND" >reboot</B > must be placed in the <TT CLASS="FILENAME" >/etc</TT > directory.</P ></LI ><LI ><P ><B CLASS="COMMAND" >init</B > has caused problems for at least one person, with the kernel being unable to find <B CLASS="COMMAND" >init</B >.</P ></LI ></UL ></P ><P > To fix these problems, either move the programs to the correct directory, or change configuration files (e.g. <TT CLASS="FILENAME" >inittab</TT >) to point to the correct directory. If in doubt, put programs in the same directories as they are on your hard disk, and use the same <TT CLASS="FILENAME" >inittab</TT > and <TT CLASS="FILENAME" >/etc/rc.d</TT > files as they appear on your hard disk.</P ></DIV ></DIV ><DIV CLASS="QANDAENTRY" ><DIV CLASS="QUESTION" ><P ><A NAME="AEN1364" ></A ><B >Q: </B ><EM >My kernel has ramdisk support, but initializes ramdisks of 0K. Why?</EM ></P ></DIV ><DIV CLASS="ANSWER" ><P ><B >A: </B >Where this occurs, a kernel message like this will appear as the kernel is booting: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > Ramdisk driver initialized : 16 ramdisks of 0K size</PRE ></FONT ></TD ></TR ></TABLE ></P ><P >This is probably because the size has been set to 0 by kernel parameters at boot time. This could possibly be because of an overlooked LILO configuration file parameter: <TABLE BORDER="1" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><FONT COLOR="#000000" ><PRE CLASS="SCREEN" > ramdisk= 0</PRE ></FONT ></TD ></TR ></TABLE ></P ><P >This was included in sample LILO configuration files in some older distributions, and was put there to override any previous kernel setting. If you have such a line, remove it.</P ><P >Note that if you attempt to use a ramdisk of 0 size, the behaviour can be unpredictable, and can result in kernel panics.</P ></DIV ></DIV ></DIV ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="cd-roms.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="a1376.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Creating bootable CD-ROMs</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" > </TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Resources and pointers</TD ></TR ></TABLE ></DIV ></BODY ></HTML >