The following was the last entry in /var/log/messages before each hang:
Mar 24 01:14:04 thome kernel: [ 128.624000] Time: acpi_pm clocksource has been installed.
The following was the last entry in /var/log/messages before each hang:
Mar 24 01:14:04 thome kernel: [ 128.624000] Time: acpi_pm clocksource has been installed.