Re: frequent lockups in 3.18rc4

[Dave Jones]

On Fri, Dec 26, 2014 at 03:16:41PM -0800, Linus Torvalds wrote:
 > On Fri, Dec 26, 2014 at 2:57 PM, Dave Jones <davej@xxxxxxxxxxxxxxxxx> wrote:
 > >
 > > hm.
 > 
 > So with the previous patch that had the false positives, you never saw
 > this? You saw the false positives instead?
 
correct.

 > I'm wondering if the added debug noise just ended up helping. Doing a
 > printk() will automatically cause some scheduler activity. And they
 > also caused the time reading jiggle.
 > 
 > That said, it's also possible that I screwed something up in the
 > second version of the patch, just breaking it and making it generally
 > ineffective.
 > 
 > Oh - and have you actually seen the "TSC unstable (delta = xyz)" +
 > "switched to hpet" messages there yet?

not yet. 3 hrs in.

	Dave
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