From owner-freebsd-current@freebsd.org Fri Sep 27 13:43:44 2019 Return-Path: Delivered-To: freebsd-current@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 790A2123975 for ; Fri, 27 Sep 2019 13:43:44 +0000 (UTC) (envelope-from asomers@gmail.com) Received: from mail-oi1-f195.google.com (mail-oi1-f195.google.com [209.85.167.195]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 46ftL82Ztgz3M2T; Fri, 27 Sep 2019 13:43:44 +0000 (UTC) (envelope-from asomers@gmail.com) Received: by mail-oi1-f195.google.com with SMTP id k25so5186916oiw.13; Fri, 27 Sep 2019 06:43:44 -0700 (PDT) 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; bh=XuFWhiqVtiJb/ETMWOgWU/l5kUC0h1josqEmZaUeJ00=; b=Nf8RWtxitIocZb/KaqJfBnTwrAQXzNFRO8Vp7p00ReATSKbzvOOL0Bn1H8dcCdceKT eZ1W9pjVuatVjG/altGdv2HQnN6WwcUdhMBH6mU82satoXO1IXNL2HGnohLT2QW5qN19 DdQOwUPp6Mm0qO4bWG43ArDfFpDghwYuW2caZCJplt01fDm7znm5CukILprAImpfZSYk nYbEzdLMvlxC8NkQ1LICf6jzL3uTQVZ/9qC3mXZAB4CAokJzgiOMuEZCaJyHbltkFpI/ uZz+rTMntHziubHkS6pHZ9WxJc81+C9cbkHVDUkRNflxtKjyWXSzZ2F4xv7qqY/Req0+ Ipig== X-Gm-Message-State: APjAAAWredfr8sdl2FZYIad5hM3a0VSwO5eQFW1GnigReY9V7phyhIYy qNe2dgh2By0t5Y3KqQRheSekDNsr5vZdBYsplgN0lQ== X-Google-Smtp-Source: APXvYqw9wRjk/VNsxb/NuObQSilTrr+pUfxQrSXxt/5wbrHFMyow+tNOoMk4vwshhLcGJCjtyc8B3QOQhsfxQiUbAu4= X-Received: by 2002:aca:3c0b:: with SMTP id j11mr6880135oia.143.1569591822739; Fri, 27 Sep 2019 06:43:42 -0700 (PDT) MIME-Version: 1.0 References: <6f694ce3-ad1d-ce90-addd-ffac98b5e957@FreeBSD.org> In-Reply-To: <6f694ce3-ad1d-ce90-addd-ffac98b5e957@FreeBSD.org> From: Alan Somers Date: Fri, 27 Sep 2019 07:43:31 -0600 Message-ID: Subject: Re: panic: Unregistered use of FPU in kernel To: Andriy Gapon Cc: FreeBSD CURRENT X-Rspamd-Queue-Id: 46ftL82Ztgz3M2T X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-6.00 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-0.999,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; REPLY(-4.00)[] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 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: Fri, 27 Sep 2019 13:43:44 -0000 On Fri, Sep 27, 2019 at 5:50 AM Andriy Gapon wrote: > On 26/09/2019 18:45, Alan Somers wrote: > > The latest VM snapshot > (FreeBSD-13.0-CURRENT-amd64-20190920-r352544.qcow2) > > instapanics on boot: > > > > panic: Unregistered use of FPU in kernel > > > > stack trace: > > ... > > sse42_crc32c > > readsuper > > ffs_sbget > > g_label_ufs_taste_common > > g_label_taste > > g_new_provider_event > > g_run_events > > fork_exit > > ... > > > > Has anybody touched this area recently? I'll try to narrow down the > commit > > range. > > Given the qcow2 image, is this in a VM? What hypervisor? > It could be a bug there. > Yeah, it's running in KVM/QEMU on an Ubuntu 18.04 host. The only thing slightly unusual is the Kaby Lake CPU.