Kernel Compiles to Support HIGHMEM and SMP
Eventually the standard package
was installed, providing
both SMP and HIMEM support.
Previous kernel compiles are outlined here.
# wajig install bin86 kernel-package kernel-source-2.4.16 debconf-utils
# cd /usr/src
# tar jxvf kernel-source-2.2.16.tar.bz2
# cd kernel-source-2.2.16
# cp /boot/config-2.4.16-586 .config
# make menuconfig
Processor Type and Features
CONFIG_HIGHMEM4G=y (originally off)
CONFIG_SMP=y (already set)
# make-kpkg clean
# make-kpkg --append-to-version -p3hmsmp --revision dha01
The aim was to have:
- dpt_i2o provided by the kernel (2.4.14 on with
- support for 2 CPUs (CONFIG_SMP=y)
- support over 1GB memory (CONFIG_HIGHMEM4G=y)
With the new kernels the initrd (initial ram disk) is the
default, so it is worth moving to this. It requires changes to your
/etc/lilo.conf to include initrd lines. For
Note also that with the dual processor card in this machine (ASUS
CUV4X-DLS) the noapic option was required, otherwise there is
a problem with running out of IRQs and the boot hangs after the
ENABLING IO-APIC IRQs
Setting 2 in the phys_id_present_map
...changing IO-APIC physical ID to 2 ... ok.
..TIMER: vector=0x31 pin1=2 pin2=0
An alternative to turning APIC off is to free up the IRQs used by the
PCI IDE devices. This is only useful if either the primary or
secondary IDE is not being used (for IDE hard disks and IDE CD-ROM).
To turn it off the secondary or both IDEs in the BIOS setup, go to
ConfigurationOnboard PCI IDE and set it to
either Primary or Disabled.
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