9.2. ia64 Architectures

On some SGI Altix systems that feature the IOC4 multi-function device, you may encounter problems when using attached IDE devices (such as CD-ROM drives). This is caused by a bug in the sgiioc4 IDE driver, which prevents some devices from being detected properly on system boot.

You can work around this bug by manually loading the driver, which in turn allows attached IDE devices to be detected properly. To do so, run the following command as root:

/sbin/modprobe sgiioc4