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

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Date:   Thu, 28 Dec 2017 10:06:25 +0800
From:   Dou Liyang <douly.fnst@...fujitsu.com>
To:     Alexandru Chirvasitu <achirvasub@...il.com>
CC:     Thomas Gleixner <tglx@...utronix.de>,
        Dexuan Cui <decui@...rosoft.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 (Cloudbase Solutions SRL)" <v-micos@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Marc Zyngier <marc.zyngier@....com>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        Haiyang Zhang <haiyangz@...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" <devel@...uxdriverproject.org>,
        KY Srinivasan <kys@...rosoft.com>
Subject: Re: PROBLEM: 4.15.0-rc3 APIC causes lockups on Core 2 Duo laptop

Hi Alexandru,

Thanks for testing !
At 12/28/2017 12:18 AM, Alexandru Chirvasitu wrote:
> As per instructions, I did the following:
> 
> (1)
> 
> Checked out
> 
> 464e1d5 Linux 4.15-rc5
> 
> (after getting my copy up to date, fetching, pulling ,etc.) and
> compiled it as-is. Config attached (the one labeled 'np' for 'no
> patch').
> 
> Result:
> 
> Boot with no extraparameters locks up after login, as before;
> 
> apic=debug does not panic, but locks up after login, as before;
> 
I also hope to see the log with "apic=debug" by "journalctl" command,
though the logs don't have the lockup trace.

Thanks,
	dou.
>