netdev - Re: PROBLEM: [2/2] Marvell 88E8040 (sky2) fails after hibernation

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Date:   Sun, 19 May 2019 10:26:11 -0500
From:   Octavio Alvarez <octallk1@...arezp.org>
To:     Mirko Lindner <mlindner@...vell.com>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     netdev@...r.kernel.org
Subject: Re: PROBLEM: [2/2] Marvell 88E8040 (sky2) fails after hibernation

Hi, I want to add some details:

On 5/18/19 11:07 AM, Octavio Alvarez wrote:
> PROBLEM: [2/2] Marvell 88E8040 (sky2) fails after hibernation
> 
> It occurs since 4.14.

Sorry, 4.14 is the last known good version. Quoting section 5 of my report:

> [5.] Most recent kernel version which did not have the bug:
> 
> $ git describe --contains bc976233a872c0f20f018fb1e89264a541584e25 
> v4.15-rc6~7^2
> 
> I understand that 4.14 is the last known good released version.

So it occurs since 4.15, sorry for the noise.

> Please note that the kernel version I am reporting is not the latest 
> commit because the current version is affected by another bug that 
> made my card so I cannot test this bug anymore. I am reporting that 
> one along with this one as problem 1/2.

I have been sent a patch to fix the other problem (1/2) so now I am able
to test this one (2/2) on the latest master.

I just did that and the problem still occurs. If I revert the first bad
commit [1], the problem gets fixed.

[1] Commit:
commit bc976233a872c0f20f018fb1e89264a541584e25
Author: Thomas Gleixner <tglx@...utronix.de>
Date:   Fri Dec 29 10:47:22 2017 +0100
genirq/msi, x86/vector: Prevent reservation mode for non maskable MSI

Thanks,
Octavio.