hda: lost interrupt
Problem
Linux reports the following message and generate Input/output error when accessing the disk.
hda: lost interrupt
Affected Models
Any E7501-based Xeon platform running with IDE hard disks such as Lancelot 1852-A
Affected OS
Red Hat Enterprise Linux 3 / CentOS 3.5
Solution
To maintain stability, ACPI must be disabled on these servers. To disable ACPI, edit /etc/grub.conf and append the entry 'acpi=off' to the kernel line. For example:
kernel /vmlinuz-2.4.21-32.ELsmp ro root=LABEL=/ noapic acpi=off
After making the change, reboot the server.