From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BF98C33CA9 for ; Mon, 13 Jan 2020 02:35:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D1D9621744 for ; Mon, 13 Jan 2020 02:35:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=junsun-net.20150623.gappssmtp.com header.i=@junsun-net.20150623.gappssmtp.com header.b="d86FaI31" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732594AbgAMCf3 (ORCPT ); Sun, 12 Jan 2020 21:35:29 -0500 Received: from mail-il1-f196.google.com ([209.85.166.196]:40472 "EHLO mail-il1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732487AbgAMCf3 (ORCPT ); Sun, 12 Jan 2020 21:35:29 -0500 Received: by mail-il1-f196.google.com with SMTP id c4so6878321ilo.7 for ; Sun, 12 Jan 2020 18:35:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=junsun-net.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=+vmq+MvCN9yDxyzsI/kecgh7O950q8Ev4MqUe7jGaF0=; b=d86FaI31vbSfebmdD4QHwtNdhZgknCrAI2pHU77pnT1EO+t1FsxlhS9gGCUMi+KHf1 Is7LZbi77MhDOMAZiCXC4uL5c5PcunHLm5gozPsOFWZGApA/BMtf7z7zOq3Gql52MDrK 4kfxYKap80VexpZf8q/k2tkhDYVA/brwvwLUiCQgP1b+0sdT/broa7Fsw//kyxGi/5n1 OSb1MmpMW8GmVv78/pAFsQyPUNCTMd4vTJU+bpVgyFdhYWvWqHt6603+VEFtJkDptNbL PwIyYZKGDgxprq5e03cromR25286z3qwHmg4GvJfP2MwjWs96f/zLXmQRzw7jxc15U3k 3a6w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=+vmq+MvCN9yDxyzsI/kecgh7O950q8Ev4MqUe7jGaF0=; b=LVIqWffkjjPRFX9sKFefv52WXZMApOG0g1QR3ui4SWzDSbT7kP23TfrGK8LBVHZA+k Wwh0s99Yi1FrMxqE0KRjPLXOfcQFBx506wxsu4W9nBn3maqxB2b5GTyBp4KB1k7Ofxa3 pAt2rTbsD2qLqqBvGODnZ96Z7V4EhxNnigC1gpt9FyMP8iqGOjcrLxpZkqB3Yp/blMyE z1+Fsa9NK1hngPgAyxA+ylRGTIMmrTYmKlfLBa/M6uqRoLE00JDemTDG0+o3Z5svKJ7J ykGD6NkOKxJsc4tAWCIkOw0VavHdE+KJXgpTvdrTlIf2evIO9VxROWmOyZac81d6hPq0 /4dg== X-Gm-Message-State: APjAAAXztwm23F2s8rf2sAyV101/jyRtNUfVnYq1mXhpN9vWo/kOBa88 atyZ1Z+QDNBLOVjaSP5OkLFxN5rpyVXj0MbbIQVXSfF2 X-Google-Smtp-Source: APXvYqyW5U/m4CZjqvKE5eCyoSFdFSizD/ZuzxOAzeaULk/T0wvPsC3U7CpX/k5JHupXByTg6rMO0LdED0f/qb2FZ98= X-Received: by 2002:a92:8f4b:: with SMTP id j72mr13433345ild.1.1578882928337; Sun, 12 Jan 2020 18:35:28 -0800 (PST) MIME-Version: 1.0 References: <20200109212404.GA1750666@aurel32.net> <783FE963-FE06-40FA-8F8B-980B912A9602@flygoat.com> In-Reply-To: <783FE963-FE06-40FA-8F8B-980B912A9602@flygoat.com> From: Jun Sun Date: Sun, 12 Jan 2020 18:35:18 -0800 Message-ID: Subject: Re: debian bootup hangs on qemu-system-mips64el To: Jiaxun Yang Cc: qemu-discuss@nongnu.org, debian-mips@lists.debian.org, linux-mips@vger.kernel.org, lixing <13699171092@139.com>, Aurelien Jarno Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: linux-mips-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-mips@vger.kernel.org Thanks, Jiaxun. See more questions below. Jun On Sun, Jan 12, 2020 at 5:17 PM Jiaxun Yang wrote= : > > > > =E4=BA=8E 2020=E5=B9=B41=E6=9C=8813=E6=97=A5 GMT+08:00 =E4=B8=8A=E5=8D=88= 3:34:18, Jun Sun =E5=86=99=E5=88=B0: > >Are you sure QEMU/MIPS does not support SMP? Below link written in > >2016 clearly shows something was working then. > > > >https://www.mips.com/blog/how-to-run-smp-linux-in-qemu-on-a-mips64-relea= se-6-cpu/ > > > >Also, as Lixing mentioned in our private exchange, there is SMP > >support for loongson. Lixing, I assume loongson SMP support is > >already merged in QEMU repo, right? Can you point out the relevant > >source code directories? > Hi Jun, > > As far as I known, Loongson is using there own SMP IPI implementation ins= tead of MIPS MT One. > There QEMU implementation could be found here [1]. > QEMU have implemented MIPS MT ASE for SMP. > Do you know how to enable and run MIPS MT ASE in qemu? For with CPU option= s?