From owner-freebsd-current@freebsd.org Mon Oct 29 17:38:09 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0926D10E0FBC; Mon, 29 Oct 2018 17:38:09 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from mail.baldwin.cx (bigwig.baldwin.cx [IPv6:2001:470:1f11:75::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id A96377A70E; Mon, 29 Oct 2018 17:38:08 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from John-Baldwins-MacBook-Pro-2.local (ralph.baldwin.cx [66.234.199.215]) by mail.baldwin.cx (Postfix) with ESMTPSA id 4570810AFCD; Mon, 29 Oct 2018 13:38:07 -0400 (EDT) Subject: Re: Has anything changed from 11.2 to 12.0 in PCI MSI/MSIX path? To: Rajesh Kumar References: <2a595c73-4a93-6e3f-f93d-9038baeeb18a@FreeBSD.org> Cc: freebsd-drivers@freebsd.org, freebsd-current@freebsd.org From: John Baldwin Message-ID: <2b2d11cb-2196-0214-a3f2-8ab75c7c0248@FreeBSD.org> Date: Mon, 29 Oct 2018 10:38:06 -0700 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.4.3 (mail.baldwin.cx); Mon, 29 Oct 2018 13:38:07 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.99.2 at mail.baldwin.cx X-Virus-Status: Clean X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 29 Oct 2018 17:38:09 -0000 On 10/25/18 10:24 AM, Rajesh Kumar wrote: > Hi John, > > Thanks a lot. It helps. I backported the changes to 11.2 and tried booting in my board with success without any need for the said tunables. > > I see those changes are marked for MFC after 2 Weeks. But I don't see them still in stable/11 branch.  So, will it be taken into stable/11 branch by any chance? If not, can the backported changes be submitted for review to take into stable/11 branch? I'm working on the MFC. The current patch I've tested an MFC of is the one to unify sys/x86/include/intr_machdep.h as a precursor to MFC'ing this change. > On Thu, Oct 25, 2018 at 1:17 AM John Baldwin > wrote: > > On 10/24/18 3:40 AM, Rajesh Kumar wrote: > > Hi, > > > > I have a amd64 based board. When I tried to boot 11.1 (or) 11.2 in that, I > > needed the following tunables to be set from loader prompt to get it booted > > (otherwise machine reboots continuously). > > > > hw.usb.xhci.msi=0 > > hw.usb.xhci.msix=0 > > hw.pci.enable_msi=0 > > hw.pci.enable_msix=0 > > > > But, when I tried with 12.0 - ALPHA4, I could able to get it booted without > > any tunables.  So, has anything changed significantly on PCI MSI/MSI-X > > path? > > > > Note: I have a forum topic with my observations about the issue on > > 11.1/11.2 in the following thread > > https://forums.freebsd.org/threads/freebsd-11-1-installation-fails-and-rebooting.65814/ > > > > Let me know if you need any details. > > I believe this was fixed by r338360. > > -- > John Baldwin > -- John Baldwin