https://lists.ubuntu.com/archives/kernel-team/2006-April/000848.html
https://lists.ubuntu.com/archives/kernel-team/2006-April/000849.html
** Changed in: linux-source-2.6.15 (Ubuntu)
Status: In Progress => Fix Committed
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Hardlock of entire system (Dapper Flight 5)
https://launchpad.net/bugs/34831