From: Dou Liyang <douly.fnst@cn.fujitsu.com>
To: Alexandru Chirvasitu <achirvasub@gmail.com>
Cc: Thomas Gleixner <tglx@linutronix.de>, 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: Fri, 22 Dec 2017 18:28:41 +0800 [thread overview]
Message-ID: <1bd74ca3-afca-9d61-6911-61250f459891@cn.fujitsu.com> (raw)
In-Reply-To: <20171221022356.GE24638@arch-chirva.localdomain>
Hi Alexandru,
At 12/21/2017 10:23 AM, Alexandru Chirvasitu wrote:
> This might be more helpful. I ran another bisect with the following
> final log:
>
> ---
>
> git bisect start
> # bad: [d6ffc6ac83b1f9f12652d89b9cb5bcbfbea7796c] x86/vector: Respect affinity mask in irq descriptor
> git bisect bad d6ffc6ac83b1f9f12652d89b9cb5bcbfbea7796c
> # good: [e4ae4c8ea7c65f61fde29c689d148c8c9e05305a] Merge branch 'irq/core' into x86/apic
> git bisect good e4ae4c8ea7c65f61fde29c689d148c8c9e05305a
> # good: [4ef76eb6de734dc03a7f3b8f80884362364e6049] x86/apic: Get rid of the legacy irq data storage
> git bisect good 4ef76eb6de734dc03a7f3b8f80884362364e6049
> # good: [ba801640b10d87b1c4e26cbcbe414a001255404f] x86/vector: Compile SMP only code conditionally
> git bisect good ba801640b10d87b1c4e26cbcbe414a001255404f
> # good: [90ad9e2d91067983f3328e21b306323877e5f48a] x86/io_apic: Reevaluate vector configuration on activate()
> git bisect good 90ad9e2d91067983f3328e21b306323877e5f48a
> # bad: [4900be83602b6be07366d3e69f756c1959f4169a] x86/vector/msi: Switch to global reservation mode
> git bisect bad 4900be83602b6be07366d3e69f756c1959f4169a
> # bad: [2db1f959d9dc16035f2eb44ed5fdb2789b754d6a] x86/vector: Handle managed interrupts proper
> git bisect bad 2db1f959d9dc16035f2eb44ed5fdb2789b754d6a
> # first bad commit: [2db1f959d9dc16035f2eb44ed5fdb2789b754d6a] x86/vector: Handle managed interrupts proper
It's helpful to me. I tried it in QEmu with
(Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz)
but, can't reproduced the bug.
>
> ---
>
> That first bad commit 2db1f95 identified at the end is interesting:
> it's the only one I've tried through all of this that actually gives
> me a kernel panic when unadorned with kernel options (so unlike all of
> the others it fails to even drop me at a tty login prompt).
>
> I tried a number of things to fiddle with it: it boots fine with
> either nolapic or noapic. The former results in seeing a single cpu
> with lscpu, but the latter (noapic) seems to give me as much
> functionality as I'd need. I'm not seeing the issue noted before,
Because the "noapic" just disable the I/O APIC, but, the "nolapic" will
disable both the Local APIC and I/O APIC
> whereby noapic for 4.15.0-rc3 was somehow disabling my ethernet card.
>
> I hope this second bisect went down better than the last one..
Could you add "apic=debug" in the kernel command line, then, give me the
dmesg log?
Thanks,
dou.
next prev parent reply other threads:[~2017-12-22 10:28 UTC|newest]
Thread overview: 62+ 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
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 [this message]
[not found] ` <20171222142053.3cbhi2nhh24w7yoo@D-69-91-141-110.dhcp4.washington.edu>
2017-12-22 21:31 ` Dexuan Cui
[not found] ` <20171222222917.GA1138@arch-chirva.localdomain>
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 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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