From owner-freebsd-current@FreeBSD.ORG Wed Sep 19 21:00:59 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 8A372106564A; Wed, 19 Sep 2012 21:00:59 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-pb0-f54.google.com (mail-pb0-f54.google.com [209.85.160.54]) by mx1.freebsd.org (Postfix) with ESMTP id 53F338FC08; Wed, 19 Sep 2012 21:00:59 +0000 (UTC) Received: by pbbrp2 with SMTP id rp2so3809907pbb.13 for ; Wed, 19 Sep 2012 14:00:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=IGGXwXNs/74OsgFnEfi5Y9mFtWFKgVnS9G1qv0fZ/hQ=; b=vr5OoKAVKmcg6Ctm7Haltic+VlddoSDMH2vYC++HILIkWEmnJIuHxUF4/LWx++KM5Q SzXQaPjj41UYFPs/2znAGKJnKmiWLYFNoyp3P3brM5nBPRnGz5IcSI/Y7ECAfgnmw5uV irgzW7UPtT2UzHVpknGspZrnKGaChZMQkHdyZdmYhssulyfS9hq3lcXovgFI4+jL+3JY FUDM8Mwh/zy1gw9wQ0po0CFdF6p4DPchyKSj/8JRBzumrJLBp50JRU3UHHz7MewzzPOx M0RuLZ1XNR9vN7Q6H5nMRCjwCetNWiqn3x9Xwut+IIKSHzdHfP82e8Ilpn1+MuXw05kj ZdYQ== MIME-Version: 1.0 Received: by 10.68.136.40 with SMTP id px8mr1035732pbb.153.1348088459083; Wed, 19 Sep 2012 14:00:59 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.68.36.106 with HTTP; Wed, 19 Sep 2012 14:00:59 -0700 (PDT) In-Reply-To: <1859311530.20120920005449@serebryakov.spb.ru> References: <80840563.20120920002200@serebryakov.spb.ru> <1252171344.20120920003724@serebryakov.spb.ru> <1348087584.95562.55.camel@revolution.hippie.lan> <1859311530.20120920005449@serebryakov.spb.ru> Date: Wed, 19 Sep 2012 14:00:59 -0700 X-Google-Sender-Auth: oBh5fTABuva1OSHzSOAUkI4kU1s Message-ID: From: Adrian Chadd To: lev@freebsd.org Content-Type: text/plain; charset=KOI8-R Content-Transfer-Encoding: quoted-printable Cc: Ian Lepore , freebsd-current@freebsd.org Subject: Re: Latest -CURRENT/i386 could not start under VirutalBox 4.1.18 and 4.2 (Windows host): hangs up after atrtc0 detection X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Wed, 19 Sep 2012 21:00:59 -0000 On 19 September 2012 13:54, Lev Serebryakov wrote: > Hello, Ian. > You wrote 20 =D3=C5=CE=D4=D1=C2=D2=D1 2012 =C7., 0:46:24: > > IL> Yes, exactly. I updated the PR to request that my patch not get > IL> committed because it locks up virtualbox. I hope to find time soon t= o > IL> learn enough about installing/configuring virtualbox to figure out wh= at > IL> the problem is (offhand,I suspect it hangs in the loop that probes fo= r > IL> the need to re-index, because vbox doesn't quite emulate the hardware > IL> behavior fully). > How could I help? Is it possible to debug kernel on such early stage? Add something to atrtc_start() to only loop over that loop say, 64k times before dropping out; and print an error if it hits that condition. Also, what's that RTCSA_8192 bit do? adrian