From owner-freebsd-stable@FreeBSD.ORG Wed Aug 31 21:27:10 2011 Return-Path: Delivered-To: stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2FE2C106566B; Wed, 31 Aug 2011 21:27:10 +0000 (UTC) (envelope-from pluknet@gmail.com) Received: from mail-gx0-f182.google.com (mail-gx0-f182.google.com [209.85.161.182]) by mx1.freebsd.org (Postfix) with ESMTP id D09738FC18; Wed, 31 Aug 2011 21:27:09 +0000 (UTC) Received: by gxk28 with SMTP id 28so1183328gxk.13 for ; Wed, 31 Aug 2011 14:27:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; bh=ZKSusOAWBqlIoav174wRZJCq8nmXe7tyf2tgtMUP80Q=; b=aXHxo13h2K8kk6D7aNuDNWuhi05B4aAXIve9G040C0QuGD1vohIcj62RwJSP9XLTSz eq7qo9wBtWwhtw6W9ArO08j6t2bHz9xBVr71cXEZ2Lt9PLuf1xn2kgyinlSWCkZJHzQQ rpQPMoeTubK/eqVrPa1LlqgEW90i+KvmzbaBg= MIME-Version: 1.0 Received: by 10.150.225.6 with SMTP id x6mr815231ybg.57.1314826029105; Wed, 31 Aug 2011 14:27:09 -0700 (PDT) Received: by 10.150.53.2 with HTTP; Wed, 31 Aug 2011 14:27:09 -0700 (PDT) In-Reply-To: <201108311717.03127.jhb@freebsd.org> References: <201108311334.10804.jhb@freebsd.org> <201108311717.03127.jhb@freebsd.org> Date: Thu, 1 Sep 2011 01:27:09 +0400 Message-ID: From: Sergey Kandaurov To: John Baldwin Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: stable@freebsd.org Subject: Re: mfi(4) patch to add MSI-X support, possibly address command timeouts X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Aug 2011 21:27:10 -0000 On 1 September 2011 01:17, John Baldwin wrote: > On Wednesday, August 31, 2011 3:24:12 pm Sergey Kandaurov wrote: >> On 31 August 2011 21:34, John Baldwin wrote: >> > I'd like some folks to test a patch to the mfi(4) driver that may help= to >> > address issues several folks have reported. =A0The patch does two thin= gs, first >> > it adds some dummy reads of PCI registers when checking device status = in the >> > interrupt handler to "flush" the writes to ACK interrupts. =A0The Linu= x >> > megaraid-sas driver uses this approach and some folks have tested a pa= tch from >> > Scott Long which had a somewhat similar effect. =A0Second, it enables = the use of >> > MSI-X interrupts for many newer devices. >> > >> > The patch is available below and at www.freebsd.org/~jhb/patches/mfi.p= atch >> >> mfi0: port 0x3000-0x30ff mem >> 0x9dd40000-0x9dd43fff,0x9dd00000-0x9dd3ffff irq 26 at device 0.0 on >> pci26 >> mfi0: Using MSI-X >> mfi0: Megaraid SAS driver Ver 3.00 >> >> However, booting never finishes ending up with: >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 58 SECONDS >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 88 SECONDS >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 118 SECONDS >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 148 SECONDS >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 179 SECONDS >> mfi0: COMMAND 0xffffff8000b3a550 TIMEOUT AFTER 209 SECONDS > > Did this work fine without the patch? Yes, like a charm. > > Also, does it work fine if you disable MSI-X via 'hw.pci.enable_msix=3D0' > in the loader? I will try this tomorrow. Thanks. --=20 wbr, pluknet