From: Heiner Kallweit <hkallweit1@gmail.com>
To: Frederic Weisbecker <frederic@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>
Cc: Anna-Maria Gleixner <anna-maria@linutronix.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Grygorii Strashko <grygorii.strashko@ti.com>
Subject: Re: Fix 80d20d35af1e ("nohz: Fix local_timer_softirq_pending()") may have revealed another problem
Date: Mon, 15 Oct 2018 22:58:54 +0200 [thread overview]
Message-ID: <c472b6bf-e4af-d807-e63f-75211ce295bd@gmail.com> (raw)
In-Reply-To: <20180928131855.GB8795@lerouge>
On 28.09.2018 15:18, Frederic Weisbecker wrote:
> On Thu, Sep 27, 2018 at 06:05:46PM +0200, Thomas Gleixner wrote:
>> On Tue, 28 Aug 2018, Frederic Weisbecker wrote:
>>> On Fri, Aug 24, 2018 at 07:06:32PM +0200, Heiner Kallweit wrote:
>>>> I tested it and Frederic is right, it doesn't help. Can it be somehow related to
>>>> the cpu being brought down during suspend? Because I get the warning only during
>>>> suspend when the cpu is inactive already (but still online).
>>>
>>> It's hard to tell, I haven't been able to reproduce on suspend to disk/mem.
>>>
>>> Does this script eventually trigger it after some time?
>>
>> Any update to this?
>
> Heiner? Can you please test the script I sent to you?
>
> Thanks.
>
Sorry, took some time .. And yes, running your script triggers the message too.
[ 25.646015] x86: Booting SMP configuration:
[ 25.646044] smpboot: Booting Node 0 Processor 1 APIC 0x2
[ 25.664491] smpboot: CPU 1 is now offline
[ 25.679299] x86: Booting SMP configuration:
[ 25.679329] smpboot: Booting Node 0 Processor 1 APIC 0x2
[ 25.698449] smpboot: CPU 1 is now offline
[ 25.711698] x86: Booting SMP configuration:
[ 25.711727] smpboot: Booting Node 0 Processor 1 APIC 0x2
[ 25.729185] NOHZ: local_softirq_pending 202
[ 25.729229] NOHZ: local_softirq_pending 202
[ 25.730759] smpboot: CPU 1 is now offline
[ 25.744053] x86: Booting SMP configuration:
[ 25.744083] smpboot: Booting Node 0 Processor 1 APIC 0x2
[ 25.762520] smpboot: CPU 1 is now offline
[ 25.776834] x86: Booting SMP configuration:
[ 25.776863] smpboot: Booting Node 0 Processor 1 APIC 0x2
[ 25.794189] NOHZ: local_softirq_pending 202
[ 25.796672] smpboot: CPU 1 is now offline
[ 25.805970] x86: Booting SMP configuration:
[ 25.805999] smpboot: Booting Node 0 Processor 1 APIC 0x2
[ 25.827360] smpboot: CPU 1 is now offline
[ 25.839043] x86: Booting SMP configuration:
[ 25.839073] smpboot: Booting Node 0 Processor 1 APIC 0x2
[ 25.858184] NOHZ: local_softirq_pending 202
[ 25.862182] smpboot: CPU 1 is now offline
[ 25.873759] x86: Booting SMP configuration:
[ 25.873789] smpboot: Booting Node 0 Processor 1 APIC 0x2
[ 25.893385] smpboot: CPU 1 is now offline
next prev parent reply other threads:[~2018-10-15 20:59 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-16 6:13 Fix 80d20d35af1e ("nohz: Fix local_timer_softirq_pending()") may have revealed another problem Heiner Kallweit
2018-08-18 11:26 ` Thomas Gleixner
2018-08-18 22:34 ` Heiner Kallweit
2018-08-24 4:12 ` Frederic Weisbecker
2018-08-24 5:59 ` Heiner Kallweit
2018-08-24 8:01 ` Thomas Gleixner
2018-08-24 14:30 ` Frederic Weisbecker
2018-08-24 17:06 ` Heiner Kallweit
2018-08-28 2:25 ` Frederic Weisbecker
2018-09-27 16:05 ` Thomas Gleixner
2018-09-28 13:18 ` Frederic Weisbecker
2018-09-28 20:35 ` Heiner Kallweit
2018-10-15 20:58 ` Heiner Kallweit [this message]
2018-12-24 21:11 ` Heiner Kallweit
2018-12-27 6:53 ` Frederic Weisbecker
2018-12-27 23:11 ` Heiner Kallweit
2018-12-28 1:31 ` Frederic Weisbecker
2018-12-28 6:34 ` Heiner Kallweit
2018-12-28 6:39 ` Heiner Kallweit
2019-01-09 22:20 ` Heiner Kallweit
2019-01-11 21:36 ` Frederic Weisbecker
2019-01-16 6:24 ` Frederic Weisbecker
2019-01-16 18:42 ` Heiner Kallweit
2019-01-24 19:37 ` Heiner Kallweit
2019-02-14 19:05 ` Heiner Kallweit
2019-02-14 21:47 ` Thomas Gleixner
2019-02-14 22:33 ` Heiner Kallweit
2019-02-15 0:31 ` Frederic Weisbecker
2019-02-16 9:14 ` Heiner Kallweit
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