linux-kernel - Re: HPET regression in 2.6.26 versus 2.6.25

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Message-ID: <86802c440808051219o58a219a9j8022fc50bd6e1eaa@mail.gmail.com>
Date:	Tue, 5 Aug 2008 12:19:48 -0700
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"David Witbrodt" <dawitbro@...global.net>
Cc:	linux-kernel@...r.kernel.org,
	"Peter Zijlstra" <peterz@...radead.org>,
	"Ingo Molnar" <mingo@...e.hu>,
	"Thomas Gleixner" <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: HPET regression in 2.6.26 versus 2.6.25

On Tue, Aug 5, 2008 at 7:14 AM, David Witbrodt <dawitbro@...global.net> wrote:
>
>
>> Since you have that git tree, could you try to see if the latest -git
>> still has this problem?
>
>  I had forgotten to do that at the time I posted.
>
>  Last night, after the post, I _did_ try building "master".  The commit
> date was from Aug. 1 -- I am at work right now, so I can't provide exact
> info until I get home in about 6 hours.  I checked 'Makefile', and the
> version there was 2.6.27-rc1, IIRC.
>  It built fine, but same freeze was seen.
>
>  A reversion of the commit I mentioned _will_ solve the problem, but
> looking at the code I saw that it was an attempt to provide better
> functionality.  I'm willing to help test modifications to make the new
> code work!

please boot with "debug apic=verbose initcall_debut" to check exactly
where it hangs...

YH
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