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From: Dou Liyang <douly.fnst@cn.fujitsu.com>
To: Thomas Gleixner <tglx@linutronix.de>,
	Alexandru Chirvasitu <achirvasub@gmail.com>
Cc: Pavel Machek <pavel@ucw.cz>,
	kernel list <linux-kernel@vger.kernel.org>,
	Ingo Molnar <mingo@redhat.com>,
	"Maciej W. Rozycki" <macro@linux-mips.org>,
	Mikael Pettersson <mikpelinux@gmail.com>,
	Josh Poulson <jopoulso@microsoft.com>,
	Mihai Costache <v-micos@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Marc Zyngier <marc.zyngier@arm.com>, <linux-pci@vger.kernel.org>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Dexuan Cui <decui@microsoft.com>,
	Simon Xiao <sixiao@microsoft.com>,
	Saeed Mahameed <saeedm@mellanox.com>,
	Jork Loeser <Jork.Loeser@microsoft.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	<devel@linuxdriverproject.org>, KY Srinivasan <kys@microsoft.com>
Subject: Re: PROBLEM: 4.15.0-rc3 APIC causes lockups on Core 2 Duo laptop
Date: Wed, 20 Dec 2017 11:58:57 +0800	[thread overview]
Message-ID: <ec3a298b-27a3-f3fe-ea8d-a777669104ba@cn.fujitsu.com> (raw)
In-Reply-To: <alpine.DEB.2.20.1712200124440.2282@nanos>

Hi Thomas,

At 12/20/2017 08:31 AM, Thomas Gleixner wrote:
> On Tue, 19 Dec 2017, Alexandru Chirvasitu wrote:
> 
>> I had never heard of 'bisect' before this casual mention (you might tell
>> I am a bit out of my depth). I've since applied it to Linus' tree between
> 
>> bebc608 Linux 4.14 (good)
>>
>> and
>>
>> 4fbd8d1 Linux 4.15-rc1 (bad)
> 
> Is Linus current head 4.15-rc4 bad as well?
> 
[...]
> 
> Thanks for doing that bisect, but unfortunately this commit cannot be the
> problematic one, It merily adds a config symbol, but it does not change any
> code at all. It has no effect whatsoever. So something might have gone
> wrong in your bisecting.
> 

Agree.

> I CC'ed Dou Liyang. He has changed the early APIC setup code and there has
> been an issue reported already. Though I lost track of that. Dou, any
        ^^^^^^^^  Is it this one?
                    https://marc.info/?l=linux-kernel&m=151188084018443
> pointers?
> 

Not sure, but seems the APIC failed to start in that 32-bit system.

I will look into it.

Alex,

Could you give me your .config file and the dmesg-log of 4.15.0-rc3.

Thanks,
	dou

  reply	other threads:[~2017-12-20  3:59 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20171218082011.GA24638@arch-chirva.localdomain>
2017-12-18 10:11 ` PROBLEM: 4.15.0-rc3 APIC causes lockups on Core 2 Duo laptop Pavel Machek
2017-12-19  8:34   ` Alexandru Chirvasitu
2017-12-20  0:31     ` Thomas Gleixner
2017-12-20  3:58       ` Dou Liyang [this message]
2017-12-20 13:19         ` Alexandru Chirvasitu
2017-12-20 19:45           ` Alexandru Chirvasitu
2017-12-21  2:23             ` Alexandru Chirvasitu
2017-12-22 10:28               ` Dou Liyang
     [not found]                 ` <20171222142053.3cbhi2nhh24w7yoo@D-69-91-141-110.dhcp4.washington.edu>
2017-12-22 21:31                   ` Dexuan Cui
2017-12-22 21:31                     ` Dexuan Cui
     [not found]                     ` <20171222222917.GA1138@arch-chirva.localdomain>
2017-12-23  1:35                       ` Dexuan Cui
2017-12-23  1:35                         ` Dexuan Cui
2017-12-23  4:51                         ` Alexandru Chirvasitu
2017-12-23 13:32                         ` Thomas Gleixner
2017-12-23 20:01                           ` Alexandru Chirvasitu
2017-12-27  8:14                             ` Dou Liyang
2017-12-27 16:18                               ` Alexandru Chirvasitu
     [not found]                                 ` <20171227195007.GF1410@arch-chirva.localdomain>
2017-12-27 23:13                                   ` Alexandru Chirvasitu
2017-12-28  2:06                                 ` Dou Liyang
2017-12-28  2:51                                   ` Alexandru Chirvasitu
2017-12-28 10:23                                     ` Dou Liyang
2017-12-24  3:29                           ` Dou Liyang
2017-12-28 11:00           ` Thomas Gleixner
2017-12-28 14:21             ` Alexandru Chirvasitu
2017-12-28 14:48               ` Thomas Gleixner
2017-12-28 15:48                 ` Alexandru Chirvasitu
2017-12-28 16:05                   ` Alexandru Chirvasitu
2017-12-28 16:10                     ` Thomas Gleixner
2017-12-28 17:22                       ` Alexandru Chirvasitu
2017-12-28 17:29                         ` Thomas Gleixner
2017-12-28 17:50                           ` Alexandru Chirvasitu
2017-12-28 18:32                             ` Thomas Gleixner
2017-12-28 21:54                               ` Thomas Gleixner
2017-12-28 22:50                                 ` Alexandru Chirvasitu
2017-12-28 22:57                                   ` Thomas Gleixner
2017-12-28 23:19                                     ` Thomas Gleixner
2017-12-28 23:30                                       ` Alexandru Chirvasitu
2017-12-28 23:36                                         ` Thomas Gleixner
2017-12-28 23:59                                           ` Alexandru Chirvasitu
2017-12-29  8:07                                             ` Thomas Gleixner
2017-12-29 11:49                                               ` Alexandru Chirvasitu
2017-12-29 12:22                                                 ` Alexandru Chirvasitu
2017-12-29 13:09                                                 ` Thomas Gleixner
2017-12-29 14:06                                                   ` Alexandru Chirvasitu
2017-12-29  0:15                                         ` Bjorn Helgaas
2017-12-29  0:38                                           ` Alexandru Chirvasitu
2017-12-28 11:03           ` Thomas Gleixner
2017-12-28 19:01             ` Dexuan Cui
2017-12-28 19:01               ` Dexuan Cui
2017-12-28 20:14               ` Thomas Gleixner
2017-12-28 17:17 IRQ behaivour has been changed from v4.14 to v4.15-rc1 Shevchenko, Andriy
2017-12-28 17:21 ` Thomas Gleixner
2017-12-28 17:34   ` Andy Shevchenko
2017-12-28 17:44     ` Thomas Gleixner
2017-12-28 19:31       ` Andy Shevchenko
2017-12-28 19:36         ` Andy Shevchenko
2017-12-28 20:18         ` Thomas Gleixner
2017-12-28 21:03           ` Andy Shevchenko
2017-12-28 21:31             ` Thomas Gleixner
2017-12-28 21:59               ` Thomas Gleixner
2017-12-29 12:06                 ` Andy Shevchenko
2017-12-29 13:10                   ` Thomas Gleixner
2017-12-29 14:27                     ` Andy Shevchenko
2017-12-29 20:20                     ` [tip:irq/urgent] genirq/msi, x86/vector: Prevent reservation mode for non maskable MSI tip-bot for Thomas Gleixner
2017-12-28 17:23 ` IRQ behaivour has been changed from v4.14 to v4.15-rc1 Andy Shevchenko

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