Wincent Colaiuta's weblog: Involuntary Reboot log #5

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October 15, 2006

Involuntary Reboot log #5

Much like last time but with an updated version of the OS, again a panic on boot. Tried unplugging the USB cable connecting the UPS and was able to boot.

Disk Utility reported one error on the volume containing the fresh install, "Incorrect number of Access Control Lists". I rebooted into my previous install and tried to repair but was told that it didn't work; on verifying again it said the error was no longer present.

Involuntary reboot stats to date

Operating system version: no comment
Kernel panics: 5
Hard resets: 0
Total failures: 5
Start of recording keeping: 21 May 2006
Total days to date: 147 days
Average time between failures: 29 days
Uptime at moment of failure(s): Less than one minute

Notes about day calculations

Rather than hurting my brain by trying to manually work out date intervals and mean time between failures, I used the interactive Ruby interpreter, irb:

require 'date'
today = Date.today
start = Date.new(2006, 5, 21)
today - start
147 / 5