Re: [tip:x86/tsc] x86: Improve TSC calibration using a delayed workqueue

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On Tue, Jan 11, 2011 at 09:26:48AM +0100, Thomas Gleixner wrote:
> On Tue, 11 Jan 2011, Kirill A. Shutemov wrote:
> 
> > On Sun, Dec 05, 2010 at 11:18:53AM +0000, tip-bot for John Stultz wrote:
> > > Commit-ID:  08ec0c58fb8a05d3191d5cb6f5d6f81adb419798
> > > Gitweb:     http://git.kernel.org/tip/08ec0c58fb8a05d3191d5cb6f5d6f81adb419798
> > > Author:     John Stultz <johnstul@xxxxxxxxxx>
> > > AuthorDate: Tue, 27 Jul 2010 17:00:00 -0700
> > > Committer:  John Stultz <john.stultz@xxxxxxxxxx>
> > > CommitDate: Thu, 2 Dec 2010 16:48:37 -0800
> > > 
> > > x86: Improve TSC calibration using a delayed workqueue
> > 
> > This commit breaks booting the kernel in qemu with enabled KVM on my machine.
> > .config attached.
> > 
> > [    0.424013] divide error: 0000 [#1] 
> 
> Got fixed by a8760ec (x86: Check tsc available/disabled in the delayed
> init function)

No, it didn't. :(

I am able to reproduce it on current Linus' tree (v2.6.37-4700-g8adbf8d).

-- 
 Kirill A. Shutemov
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