From: Andrew Lunn <andrew@lunn.ch>
To: "Benoît Dufour" <benoit.dufour@mail.com>
Cc: netdev@vger.kernel.org
Subject: Re: DMA issues with the SKGE drivers
Date: Wed, 15 Apr 2026 02:12:00 +0200 [thread overview]
Message-ID: <c3130329-a7ea-406c-9ac1-2fa5d9d3a8bc@lunn.ch> (raw)
In-Reply-To: <9df653d6-d7f8-4b36-87de-65daf28635dd@mail.com>
On Tue, Apr 14, 2026 at 07:23:17PM -0400, Benoît Dufour wrote:
> In 2024, I reported a bug about the SKGE driver, you can see it here:
> https://bugzilla.kernel.org/show_bug.cgi?id=219270
>
> Basically, the problem is that the Marvell 88E8001 on my ASUS A8V motherboard
> can only work with 32bit DMA, and if trying to use 64bit DMA, the NIC won't
> work at all and after some time, the operating system will become completely
> unresponsive (on screen tty will stop refresh, keyboard and mouse input will
> stop working too).
>
> The fix is quite easy:
>
> At the very end of the SKGE driver source code, the ASUS A8V motherboard (as
> well as many other boards like the ASUS A8V Deluxe) should be added to the list
> of 32bit DMA boards:
> https://github.com/torvalds/linux/blob/508fed6795411f5ab277fd1edc0d7adca4946f23
> /drivers/net/ethernet/marvell/skge.c#L4150
Hi Benoît
Could you submit a patch adding the needed entry for your board?
Andrew
next prev parent reply other threads:[~2026-04-15 0:12 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-14 23:23 DMA issues with the SKGE drivers Benoît Dufour
2026-04-15 0:12 ` Andrew Lunn [this message]
2026-04-15 0:27 ` Benoît Dufour
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