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From: Christoph Lameter <clameter@sgi.com>
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       Ingo Molnar <mingo@elte.hu>
Subject: Re: Periodic posix timer support broke between 2.6.9-rc1 and
 2.6.9-rc1-bk17
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> Me thinks someone somewhere is using some of the bits that we
> "accidently" pass via sa.sa_flags by not setting it to 0, the regular
> flags don't seem to show this behaviour, and I couldn't see any real
> checking of the passed value of sa.sa_flags.

Nope. It was my screwed up setting of the resolution of CLOCK_REALTIME and
CLOCK_MONOTONIC. Fix was submitted to Linus and Andrew.