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From: Peter Zijlstra <peterz@infradead.org>
To: Siegfried Metz <frame@mailbox.org>
Cc: linux-kernel@vger.kernel.org, tglx@linutronix.de,
	rafael.j.wysocki@intel.com, len.brown@intel.com,
	rjw@rjwysocki.net, diego.viola@gmail.com, rui.zhang@intel.com,
	viktor_jaegerskuepper@freenet.de
Subject: Re: REGRESSION: boot stalls on several old dual core Intel CPUs
Date: Thu, 30 Aug 2018 15:48:10 +0200	[thread overview]
Message-ID: <20180830134810.GV24142@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20180830130439.GM24082@hirez.programming.kicks-ass.net>

On Thu, Aug 30, 2018 at 03:04:39PM +0200, Peter Zijlstra wrote:
> 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?

The .config from https://bugzilla.kernel.org/attachment.cgi?id=278183
seems to boot far enough to drop me into a busybox -- it doesn't seem to
contain enough bits to actually boot my system and I can't be arsed to
figure out what's missing.



  reply	other threads:[~2018-08-30 13:48 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-30 10:55 Siegfried Metz
2018-08-30 13:04 ` Peter Zijlstra
2018-08-30 13:48   ` Peter Zijlstra [this message]
2018-09-01  2:21   ` Kevin Shanahan
2018-09-03  7:25     ` Peter Zijlstra
2018-09-03  7:38       ` Thomas Gleixner
2018-09-03  8:54         ` Peter Zijlstra
2018-09-03  9:33           ` Peter Zijlstra
2018-09-03 11:30             ` Viktor Jägersküpper
2018-09-03 12:34             ` Kevin Shanahan
2018-09-03 21:34             ` Siegfried Metz
2018-09-04 13:44             ` Niklas Cassel
2018-09-05  8:41               ` [PATCH] clocksource: Revert "Remove kthread" Peter Zijlstra
2018-09-06 10:46                 ` [tip:timers/urgent] " tip-bot for Peter Zijlstra
2018-09-06 21:42                 ` tip-bot for Peter Zijlstra

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