From owner-freebsd-riscv@freebsd.org Mon Sep 30 02:12:56 2019 Return-Path: Delivered-To: freebsd-riscv@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 8875FF811B for ; Mon, 30 Sep 2019 02:12:56 +0000 (UTC) (envelope-from mhorne@freebsd.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46hQsh2wQFz4Cjh; Mon, 30 Sep 2019 02:12:56 +0000 (UTC) (envelope-from mhorne@freebsd.org) Received: from mail-oi1-f176.google.com (mail-oi1-f176.google.com [209.85.167.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) (Authenticated sender: mhorne) by smtp.freebsd.org (Postfix) with ESMTPSA id 358B51924E; Mon, 30 Sep 2019 02:12:56 +0000 (UTC) (envelope-from mhorne@freebsd.org) Received: by mail-oi1-f176.google.com with SMTP id e18so9793902oii.0; Sun, 29 Sep 2019 19:12:56 -0700 (PDT) X-Gm-Message-State: APjAAAUtuTrc9416ebuGub8tW4vCbVdDGtAnuXXHYNpsEogO6hIlqg9v rZG2UATzHTcQEhwIlbK6ocsfhxj0W5aLaJLhd/I= X-Google-Smtp-Source: APXvYqxdEsLy2tSUAxqtmk1B7nsETu3nFUmqE98QDLsqsuwViSKdjPcCntK7ZXm6ig78Cp76IGJe+jYEqOAZK53/qkQ= X-Received: by 2002:aca:c4d3:: with SMTP id u202mr15360110oif.139.1569809575213; Sun, 29 Sep 2019 19:12:55 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Mitchell Horne Date: Sun, 29 Sep 2019 22:12:43 -0400 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: QEMU 4.1 and RISC-V To: Li-Wen Hsu Cc: freebsd-riscv , Muhammad Moinur Rahman Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-riscv@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FreeBSD on the RISC-V instruction set architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 Sep 2019 02:12:56 -0000 On Sun, Sep 29, 2019 at 4:56 PM Li-Wen Hsu wrote: > > On Sun, Sep 29, 2019 at 10:48 PM Mitchell Horne wrote: > > > > > > On Sun, Sep 29, 2019, 15:17 Li-Wen Hsu wrote: > >> > >> I found that RISC-V test started failing recently: > >> https://ci.freebsd.org/job/FreeBSD-head-riscv64-test/ > >> > >> After some checking, I found the issue is our bbl image cannot boot > >> with this command: > >> > >> qemu-system-riscv64 -nographic -m 2048M -kernel ./bbl > >> > >> in QEMU 4.1, while 3.1 and 4.0 are fine. I've switched the QEMU > >> version used in that job to 4.0, but I think it would be best if we > >> can find the root cause is in FreeBSD or QEMU. > >> > >> Can anyone also help on this? > > > > > > Hi Li-Wen, > > > > I can take a look in the coming week if you're okay with the workaround for the time being. Locally > > I've had no issue running bbl with qemu 4.1 but perhaps there's something more specific that the > > CI script is doing. > > > > I'm hoping we will soon be able to replace bbl with the more actively maintained OpenSBI firmware. > > I have some pending changes that will allow us to boot FreeBSD with it, and after that I'd like to > > create ports for both bootloaders, which I hope will make the CI setup a little simpler and less fragile > > than building bbl currently is. > > Thanks very much, Mitchell, > > Let's narrow down the scope, are you using the qemu-devel pkg from > official repository or building by yourself? > This was using qemu that I had built myself, but the executable from qemu-devel works for me as well. > > And can you try this bbl image? > https://artifact.ci.freebsd.org/snapshot/head/r352870/riscv/riscv64/bbl.xz I had no issue booting this image with my self-built qemu or the one from pkg. The only observable difference from qemu 3.1 is that a warning is printed to stderr, but considering the CI script is timing out I don't think that is the issue. > Best, > Li-Wen