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

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Message-ID: <20171228233058.c76a4upqbx6elmvg@D-69-91-141-110.dhcp4.washington.edu>
Date:   Thu, 28 Dec 2017 18:30:58 -0500
From:   Alexandru Chirvasitu <achirvasub@...il.com>
To:     Thomas Gleixner <tglx@...utronix.de>
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

Attached, but heads up on this: when redirecting the output of lspci
-vvv to a text file as root I get

pcilib: sysfs_read_vpd: read failed: Input/output error

I can find bugs filed for various distros to this same effect, but
haven't tracked down any explanations.

On Fri, Dec 29, 2017 at 12:19:19AM +0100, Thomas Gleixner wrote:
> On Thu, 28 Dec 2017, Thomas Gleixner wrote:
> 
> > On Thu, 28 Dec 2017, Alexandru Chirvasitu wrote:
> > 
> > > Attached.
> > > 
> > > I don't have a 4.14 family kernel available at the moment on that
> > > machine. What I'm attaching comes from the 4.13 one I was playing with
> > > yesterday, what with kexec and all.
> > 
> > Good enough. Thanks !
> 
> Spoke too fast. Could you please run that command as root?
> 
> And while at it please provide the output of
> 
>     cat /proc/interrupts
> 
> as well.
> 
> Thanks,
> 
> 	tglx
> 

View attachment "lspci" of type "text/plain" (24544 bytes)

View attachment "intrpts" of type "text/plain" (1853 bytes)