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Date:   Thu, 30 Aug 2018 15:04:39 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Siegfried Metz <frame@...lbox.org>
Cc:     linux-kernel@...r.kernel.org, tglx@...utronix.de,
        rafael.j.wysocki@...el.com, len.brown@...el.com, rjw@...ysocki.net,
        diego.viola@...il.com, rui.zhang@...el.com,
        viktor_jaegerskuepper@...enet.de
Subject: Re: REGRESSION: boot stalls on several old dual core Intel CPUs

On Thu, Aug 30, 2018 at 12:55:30PM +0200, Siegfried Metz wrote:
> Dear kernel developers,
> 
> since mainline kernel 4.18 (up to the latest mainline kernel 4.18.5)
> Intel Core 2 Duo processors are affected by boot stalling early in the
> boot process. As it is so early there is no dmesg output (or any log).
> 
> A few users in the Arch Linux community used git bisect and tracked the
> issue down to this the bad commit:
> 7197e77abcb65a71d0b21d67beb24f153a96055e clocksource: Remove kthread

I just dug out my core2duo laptop (Lenovo T500) and build a tip/master
kernel for it (x86_64 debian distro .config).

Seems to boot just fine.. 3/3 so far.

Any other clues?

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