netdev - Re: [PATCH net] r8169: don't use MSI before RTL8168d

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Message-Id: <20190727.143124.554560279316200864.davem@davemloft.net>
Date:   Sat, 27 Jul 2019 14:31:24 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     hkallweit1@...il.com
Cc:     nic_swsd@...ltek.com, netdev@...r.kernel.org,
        dragic.dusan@...il.com
Subject: Re: [PATCH net] r8169: don't use MSI before RTL8168d

From: Heiner Kallweit <hkallweit1@...il.com>
Date: Sat, 27 Jul 2019 12:43:31 +0200

> It was reported that after resuming from suspend network fails with
> error "do_IRQ: 3.38 No irq handler for vector", see [0]. Enabling WoL
> can work around the issue, but the only actual fix is to disable MSI.
> So let's mimic the behavior of the vendor driver and disable MSI on
> all chip versions before RTL8168d.
> 
> [0] https://bugzilla.kernel.org/show_bug.cgi?id=204079
> 
> Fixes: 6c6aa15fdea5 ("r8169: improve interrupt handling")
> Reported-by: Dušan Dragić <dragic.dusan@...il.com>
> Tested-by: Dušan Dragić <dragic.dusan@...il.com>
> Signed-off-by: Heiner Kallweit <hkallweit1@...il.com>
> ---
> This version of the fix applies from 5.3 only. I'll submit a separate
> version for previous kernel versions.

Applied and queued up for -stable, thanks for the backport.