From: Marin Mitov <mitov@issp.bas.bg>
Organization: Institute of Solid State Physics
To: Stephen Hemminger <shemminger@linux-foundation.org>
Subject: Re: net: tx timeouts with skge, 8139too, dmfe drivers/NICs
Date: Tue, 26 Feb 2008 00:09:46 +0200
User-Agent: KMail/1.9.7
References: <200802252237.12326.mitov@issp.bas.bg> <200802252336.06498.mitov@issp.bas.bg> <20080225134216.7704696d@extreme>
In-Reply-To: <20080225134216.7704696d@extreme>
Cc: linux-kernel@vger.kernel.org
MIME-Version: 1.0
Content-Type: text/plain;
  charset="iso-8859-1"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
Message-Id: <200802260009.46487.mitov@issp.bas.bg>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 696
Lines: 23

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


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/