linux-kernel - Re: PROBLEM: 4.15.0-rc3 APIC causes lockups on Core 2 Duo laptop

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Message-ID: <alpine.DEB.2.20.1712281930590.1899@nanos>
Date:   Thu, 28 Dec 2017 19:32:18 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Alexandru Chirvasitu <achirvasub@...il.com>
cc:     Dou Liyang <douly.fnst@...fujitsu.com>,
        Pavel Machek <pavel@....cz>,
        kernel list <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...hat.com>,
        "Maciej W. Rozycki" <macro@...ux-mips.org>,
        Mikael Pettersson <mikpelinux@...il.com>,
        Josh Poulson <jopoulso@...rosoft.com>,
        Mihai Costache <v-micos@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Marc Zyngier <marc.zyngier@....com>, linux-pci@...r.kernel.org,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Dexuan Cui <decui@...rosoft.com>,
        Simon Xiao <sixiao@...rosoft.com>,
        Saeed Mahameed <saeedm@...lanox.com>,
        Jork Loeser <Jork.Loeser@...rosoft.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        devel@...uxdriverproject.org, KY Srinivasan <kys@...rosoft.com>
Subject: Re: PROBLEM: 4.15.0-rc3 APIC causes lockups on Core 2 Duo laptop

On Thu, 28 Dec 2017, Alexandru Chirvasitu wrote:

> No; it seems to be tied to this specific issue, and I was seeing even
> before getting logs just now, whenever I'd start one of the bad
> kernels in recovery mode.
> 
> But no, I've never seen that in any other logs, or on any other
> screens outside of those popping up in relation to this problem.

Ok. I'll dig into it and we have a 100% reproducer reported by someone else
now, which might give us simpler insight into that issue. I'll let you know
once I have something to test. Might be a couple of days though.

Thanks,

	tglx