проблема с Gentoo 2008.0

Booting the Installation CD

Once you have burnt your installation CD, it is time to boot it. Remove all CDs from your CD drives, reboot your system and enter the BIOS. This is usually done by hitting DEL, F1 or ESC, depending on your BIOS. Inside the BIOS, change the boot order so that the CD-ROM is tried before the hard disk. This is often found under "CMOS Setup". If you don't do this, your system will just reboot from the hard disk, ignoring the CD-ROM.

Now place the installation CD in the CD-ROM drive and reboot. You should see a boot prompt. At this screen, you can hit Enter to begin the boot process with the default boot options, or boot the Installation CD with custom boot options by specifying a kernel followed by boot options and then hitting Enter.

Specifying a kernel? Yes, we provide several kernels on our Installation CDs. The default one is gentoo. Other kernels are for specific hardware needs and the -nofb variants which disable framebuffer.

Below you'll find a short overview on the available kernels:
Kernel Description
gentoo Default 2.6 kernel with support for multiple CPUs
gentoo-nofb Same as gentoo but without framebuffer support
memtest86 Test your local RAM for errors

You can also provide kernel options. They represent optional settings you can (de)activate at will.

Hardware options:

acpi=on
This loads support for ACPI and also causes the acpid daemon to be started by the CD on boot. This is only needed if your system requires ACPI to function properly. This is not required for Hyperthreading support.
acpi=off
Completely disables ACPI. This is useful on some older systems and is also a requirement for using APM. This will disable any Hyperthreading support of your processor.
console=X
This sets up serial console access for the CD. The first option is the device, usually ttyS0 on x86, followed by any connection options, which are comma separated. The default options are 9600,8,n,1.
dmraid=X
This allows for passing options to the device-mapper RAID subsystem. Options should be encapsulated in quotes.
doapm
This loads APM driver support. This requires you to also use acpi=off.
dopcmcia
This loads support for PCMCIA and Cardbus hardware and also causes the pcmcia cardmgr to be started by the CD on boot. This is only required when booting from PCMCIA/Cardbus devices.
doscsi
This loads support for most SCSI controllers. This is also a requirement for booting most USB devices, as they use the SCSI subsystem of the kernel.
sda=stroke
This allows you to partition the whole hard disk even when your BIOS is unable to handle large disks. This option is only used on machines with an older BIOS. Replace sda with the device that requires this option.
ide=nodma
This forces the disabling of DMA in the kernel and is required by some IDE chipsets and also by some CDROM drives. If your system is having trouble reading from your IDE CDROM, try this option. This also disables the default hdparm settings from being executed.
noapic
This disables the Advanced Programmable Interrupt Controller that is present on newer motherboards. It has been known to cause some problems on older hardware.
nodetect
This disables all of the autodetection done by the CD, including device autodetection and DHCP probing. This is useful for doing debugging of a failing CD or driver.
nodhcp
This disables DHCP probing on detected network cards. This is useful on networks with only static addresses.
nodmraid
Disables support for device-mapper RAID, such as that used for on-board IDE/SATA RAID controllers.
nofirewire
This disables the loading of Firewire modules. This should only be necessary if your Firewire hardware is causing a problem with booting the CD.
nogpm
This diables gpm console mouse support.
nohotplug
This disables the loading of the hotplug and coldplug init scripts at boot. This is useful for doing debugging of a failing CD or driver.
nokeymap
This disables the keymap selection used to select non-US keyboard layouts.
nolapic
This disables the local APIC on Uniprocessor kernels.
nosata
This disables the loading of Serial ATA modules. This is used if your system is having problems with the SATA subsystem.
nosmp
This disables SMP, or Symmetric Multiprocessing, on SMP-enabled kernels. This is useful for debugging SMP-related issues with certain drivers and motherboards.
nosound
This disables sound support and volume setting. This is useful for systems where sound support causes problems.
nousb
This disables the autoloading of USB modules. This is useful for debugging USB issues.
slowusb
This adds some extra pauses into the boot process for slow USB CDROMs, like in the IBM BladeCenter.

Volume/Device Management:

doevms
This enables support for IBM's pluggable EVMS, or Enterprise Volume Management System. This is not safe to use with lvm.
dolvm
This enables support for Linux's Logical Volume Management. This is not safe to use with evms.

Other options:

debug
Enables debugging code. This might get messy, as it displays a lot of data to the screen.
docache
This caches the entire runtime portion of the CD into RAM, which allows you to umount /mnt/cdrom and mount another CDROM. This option requires that you have at least twice as much available RAM as the size of the CD.
doload=X
This causes the initial ramdisk to load any module listed, as well as dependencies. Replace X with the module name.
Multiple modules can be specified by a comma-separated list.
dosshd
Starts sshd on boot, which is useful for unattended installs.
passwd=foo
Sets whatever follows the equals as the root password, which is required for dosshd since we scramble the root password.
noload=X
This causes the initial ramdisk to skip the loading of a specific module that may be causing a problem. Syntax matches that of doload.
nonfs
Disables the starting of portmap/nfsmount on boot.
nox
This causes an X-enabled LiveCD to not automatically start X, but rather, to drop to the command line instead.
scandelay
This causes the CD to pause for 10 seconds during certain portions the boot process to allow for devices that are slow to initialize to be ready for use.
scandelay=X
This allows you to specify a given delay, in seconds, to be added to certain portions of the boot process to allow for devices that are slow to initialize to be ready for use. Replace X with the number of seconds to pause.

Note: The CD will check for "no*" options before "do*" options, so that you can override any option in the exact order you specify.

Now boot your CD, select a kernel (if you are not happy with the default gentoo kernel) and boot options. As an example, we show you how to boot the gentoo kernel, with dopcmcia as kernel parameters:

Code Listing 3.3: Booting an Installation CD

boot: gentoo dopcmcia

You will then be greeted with a boot screen and progress bar. If you are installing Gentoo on a system with a non-US keyboard, make sure you immediately press Alt-F1 to switch to verbose mode and follow the prompt. If no selection is made in 10 seconds the default (US keyboard) will be accepted and the boot process will continue. Once the boot process completes, you will be automatically logged in to the "Live" Gentoo Linux as "root", the super user. You should have a root ("#") prompt on the current console and can also switch to other consoles by pressing Alt-F2, Alt-F3 and Alt-F4. Get back to the one you started on by pressing Alt-F1.

Now continue with Extra Hardware Configuration.

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