linux-kernel - Re: Regression caused by commit bc976233a872, ethernet r8169 stops working after system S3

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Message-Id: <E5521441-BE1E-4A43-AB5C-0E91165E0AEC@canonical.com>
Date:   Wed, 11 Apr 2018 11:46:44 +0800
From:   Kai Heng Feng <kai.heng.feng@...onical.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Regression caused by commit bc976233a872, ethernet r8169 stops
 working after system S3

Hi,

> On Apr 3, 2018, at 4:51 PM, Thomas Gleixner <tglx@...utronix.de> wrote:
> Bah. The patch is broken. New version written with brain awake below.

Actually I can't reproduce this issue anymore on latest Linus' tree.

I'll do a bisect and ask linux-stable maintainer to include the commit.

Thanks for your help!

Kai-Heng

>
> Thanks,
>
> 	tglx
>
> 8<---------------------
> --- a/kernel/irq/cpuhotplug.c
> +++ b/kernel/irq/cpuhotplug.c
> @@ -134,6 +134,10 @@ static bool migrate_one_irq(struct irq_d
>  		brokeaff = false;
>  	}
>
> +	pr_info("IRQ%u: New affinity: %*pbl effective: %*pbl\n",
> +		d->irq, cpumask_pr_args(affinity),
> +		cpumask_pr_args(irq_data_get_effective_affinity_mask(d)));
> +
>  	if (maskchip && chip->irq_unmask)
>  		chip->irq_unmask(d);