Updated udev packages that resolve one bug are now available for Red Hat Enterprise Linux 5.
The udev packages implement a dynamic device-directory, providing only the devices present on the system. This dynamic directory runs in user space, dynamically creates and removes devices, provides consistent naming, and a user space API. The udev device manager replaces the devfs device file system, providing greater hot plug functionality.
On a system boot, the udev helper application, pam_console_apply, was called for every disk that appeared on the system. This was unnecessary for example for SCSI disks, which do not have set default pam console permissions. As a consequence, the boot process was significantly slowed down if a system contained a large number of disks. To fix this problem, the /etc/udev/rules.d/95-pam-console.rules file has been marked as a configuration file and it will not be automatically updated with newer udev versions. System administrators should now comment out the pam_console_apply call in this file on systems that do not need a normal console user access to devices.
All users of udev are advised to upgrade to these updated packages, which fix this bug.