From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Lutomirski Subject: Re: TX on r8169 causes latency and messes up real-time apps, on some boards Date: Mon, 17 Aug 2009 01:31:02 -0400 Message-ID: References: <20090817051926.GA10370@electric-eye.fr.zoreil.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org To: Francois Romieu Return-path: Received: from mail-fx0-f215.google.com ([209.85.220.215]:44472 "EHLO mail-fx0-f215.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750703AbZHQFbC convert rfc822-to-8bit (ORCPT ); Mon, 17 Aug 2009 01:31:02 -0400 Received: by fxm11 with SMTP id 11so2087505fxm.39 for ; Sun, 16 Aug 2009 22:31:02 -0700 (PDT) In-Reply-To: <20090817051926.GA10370@electric-eye.fr.zoreil.com> Sender: netdev-owner@vger.kernel.org List-ID: This might be a false alarm -- it's possible I'm just trying to exceed available PCI bandwidth. I'll email back if I find any more convincing evidence it's a problem with r8169. Thanks, Andy On Mon, Aug 17, 2009 at 1:19 AM, Francois Romieu = wrote: > Andrew Lutomirski : > [...] >> @@ -125,6 +125,11 @@ >> =A0ACPI: No dock devices found. >> =A0ACPI: PCI Root Bridge [PCI0] (0000:00) >> =A0pci 0000:00:00.0: reg 10 32bit mmio: [0x48000000-0x49ffffff] >> +pci 0000:00:02.7: reg 10 io port: [0x2200-0x22ff] >> +pci 0000:00:02.7: reg 14 io port: [0x2300-0x237f] >> +pci 0000:00:02.7: supports D1 D2 >> +pci 0000:00:02.7: PME# supported from D3hot D3cold >> +pci 0000:00:02.7: PME# disabled > [...] >> @@ -157,34 +162,34 @@ >> =A0ACPI: PCI Interrupt Routing Table [\_SB_.PCI0._PRT] >> =A0ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.P0P1._PRT] >> =A0ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 7 *10 11 12 14 15) >> -ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 7 10 *11 12 14 15) >> -ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 7 10 11 12 14 15) *0, d= isabled. >> -ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 7 *10 11 12 14 15) >> +ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 7 *10 11 12 14 15) >> +ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 7 10 *11 12 14 15) >> +ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 7 10 *11 12 14 15) > > There is some difference. Either the kernel, the board or the bios > revision. I'd be surprized if the /proc/interrupts looked the same. > > -- > Ueimor >