linux-kernel - Re: net: tx timeouts with skge, 8139too, dmfe drivers/NICs

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Message-ID: <20080225145746.6b6f336a@extreme>
Date:	Mon, 25 Feb 2008 14:57:46 -0800
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Marin Mitov <mitov@...p.bas.bg>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: net: tx timeouts with skge, 8139too, dmfe drivers/NICs

On Tue, 26 Feb 2008 00:09:46 +0200
Marin Mitov <mitov@...p.bas.bg> wrote:

> Hi Stephen,
> 
> > Make sure the interrupt is showing up as level triggered in
> > /proc/interrupts. The BIOS may be configuring it as edge-triggered and that
> > won't work with Ethernet drivers that use NAPI.
> 
> for: skge <--> Marvell 88E8001 chip
> cat /proc/interrupts gives (AMD64 X2 SMP):
>            CPU0       CPU1
>  21:   11691000   11933174   IO-APIC-fasteoi   eth0
> 
> It is neither IO-APIC-edge, nor IO-APIC-level.
> 
> Could it be the problem?
> 
> Marin Mitov

No. that isn't the problem.
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