Установил CentOS-5.6 при включенном в BIOS режиме SATA as IDE.
Через некоторое время появились следующие ошибки:

hda: status timeout: status=0xd0 {Busy}
ide: failed opcode was: unknown
hda: no DRQ after issuing MULTWRITE_EXT

В и-нете нашел аналогичную проблему с решением -- переключить в BIOS режим SATA на AHCI.

Подскажите, пожалуйста, что мне изменить в конфигурации системы после такого переключения.

Конфиги:

[root@portal ~]# lspci -k
00:00.0 Host bridge: Intel Corporation 4 Series Chipset DRAM Controller (rev 03)
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: agpgart-intel
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
        Subsystem: Hewlett-Packard Company Device 2a84
00:02.1 Display controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)
        Subsystem: Hewlett-Packard Company Device 2a84
00:19.0 Ethernet controller: Intel Corporation 82567V-2 Gigabit Network Connection
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: e1000e
        Kernel modules: e1000e
00:1a.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #4
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: uhci_hcd
        Kernel modules: uhci-hcd
00:1a.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #5
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: uhci_hcd
        Kernel modules: uhci-hcd
00:1a.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #6
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: uhci_hcd
        Kernel modules: uhci-hcd
00:1a.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #2
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: ehci_hcd
        Kernel modules: ehci-hcd
00:1d.0 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #1
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: uhci_hcd
        Kernel modules: uhci-hcd
00:1d.1 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #2
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: uhci_hcd
        Kernel modules: uhci-hcd
00:1d.2 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB UHCI Controller #3
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: uhci_hcd
        Kernel modules: uhci-hcd
00:1d.7 USB Controller: Intel Corporation 82801JI (ICH10 Family) USB2 EHCI Controller #1
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: ehci_hcd
        Kernel modules: ehci-hcd
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 90)
00:1f.0 ISA bridge: Intel Corporation 82801JIR (ICH10R) LPC Interface Controller
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel modules: i8xx_tco
00:1f.2 IDE interface: Intel Corporation 82801JI (ICH10 Family) 4 port SATA IDE Controller #1
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: ata_piix
        Kernel modules: ata_piix
00:1f.3 SMBus: Intel Corporation 82801JI (ICH10 Family) SMBus Controller
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: i801_smbus
        Kernel modules: i2c-i801
00:1f.5 IDE interface: Intel Corporation 82801JI (ICH10 Family) 2 port SATA IDE Controller #2
        Subsystem: Hewlett-Packard Company Device 2a84
        Kernel driver in use: ata_piix
        Kernel modules: ata_piix

[root@portal ~]# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
                     298721656   5438340 277864336   2% /
/dev/hda1               101086     19782     76085  21% /boot
tmpfs                  1011752         0   1011752   0% /dev/shm

[root@portal ~]# df -a
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/mapper/VolGroup00-LogVol00
                     298721656   5438344 277864332   2% /
proc                         0         0         0   -  /proc
sysfs                        0         0         0   -  /sys
devpts                       0         0         0   -  /dev/pts
/dev/hda1               101086     19782     76085  21% /boot
tmpfs                  1011752         0   1011752   0% /dev/shm
none                         0         0         0   -  /proc/sys/fs/binfmt_misc

[root@portal ~]# cat /boot/grub/grub.conf    
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.18-238.9.1.el5)
        root (hd0,0)
        kernel /vmlinuz-2.6.18-238.9.1.el5 ro root=/dev/VolGroup00/LogVol00 rhgb quiet
        initrd /initrd-2.6.18-238.9.1.el5.img
title Portal (2.6.18-238.el5)
        root (hd0,0)
        kernel /vmlinuz-2.6.18-238.el5 ro root=/dev/VolGroup00/LogVol00 rhgb quiet
        initrd /initrd-2.6.18-238.el5.img