Re: [PATCH 00/11] 3.0-stable: Fix for leapsecond deadlock & hrtimer/futex issue

From: Willy Tarreau
Date: Tue Jul 17 2012 - 15:06:34 EST

On Tue, Jul 17, 2012 at 11:15:30AM -0700, John Stultz wrote:
> Attached are two tests. One is general exerciser of the leapsecond code
> (leap-a-day) which also notes if it sees the hrtimer/futuex early
> expiration issue, and the other is a much faster (almost immediate)
> reproducer for the leapsecond deadlock (leapcrash).
> The leapcrash test will likely wedge unpatched systems in hardirq
> context, and has caused lost (dirty) data in my testing, so BEWARE!

Thank you, and nice note for the big warning above. I have some diskless
machines which don't risk anything, I will test there first :-)


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