From owner-freebsd-current@FreeBSD.ORG Wed Jan 22 10:37:40 2014 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 38413377 for ; Wed, 22 Jan 2014 10:37:40 +0000 (UTC) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [46.4.40.135]) by mx1.freebsd.org (Postfix) with ESMTP id EDFD71911 for ; Wed, 22 Jan 2014 10:37:39 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:c031:70cd:3c9f:30e4]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPSA id B2E2C4AC2D for ; Wed, 22 Jan 2014 14:37:36 +0400 (MSK) Date: Wed, 22 Jan 2014 14:37:32 +0400 From: Lev Serebryakov Organization: FreeBSD X-Priority: 3 (Normal) Message-ID: <1172931021.20140122143732@serebryakov.spb.ru> To: FreeBSD Current Subject: FreeBSD -CURREEN/x64 as guest in VirtualBox 4.3 -- freezes HOST system under load (VirtualBox 4.2 is Ok) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list Reply-To: lev@FreeBSD.org List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Jan 2014 10:37:40 -0000 Hello, FreeBSD. After upgrading VirtualBox (Windows host) to 4.3.x, FreeBSD guest starts to spent a lot of time in swi4:clock: PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND 11 root -60 - 0K 176K WAIT 0 29:13 18.99% intr{swi4: clock} Also, host becomes almost unusable, as half of keyboard presses are missed and other are multiplied and mouse is chaotic. It looks to be connected to complex/mixed workload (like "make -j4 buildworld buildkernel") as pure-CPU load (like xz-ipping /dev/zero to /dev/null) and pure-I/O load (like dd'ing from /dev/zero to virtual disk) doesn't cause this behavior. FreeBSD (exactly same VM configuration) doesn't have this problem on VirtualBox 4.2.x. VM is 2 CPU (out of 4 physical), 4Gb of RAM (out of 8 physical) ICH9, I/O APIC, virtual SATA controller (AHCI mode) with 3 virtual disks, that's all. Timers in system: kern.eventtimer.et.LAPIC.flags: 15 kern.eventtimer.et.LAPIC.frequency: 500014822 kern.eventtimer.et.LAPIC.quality: 400 kern.eventtimer.et.i8254.flags: 1 kern.eventtimer.et.i8254.frequency: 1193182 kern.eventtimer.et.i8254.quality: 100 kern.eventtimer.et.RTC.flags: 17 kern.eventtimer.et.RTC.frequency: 32768 kern.eventtimer.et.RTC.quality: 0 kern.eventtimer.choice: LAPIC(400) i8254(100) RTC(0) kern.eventtimer.singlemul: 4 kern.eventtimer.idletick: 0 kern.eventtimer.timer: LAPIC kern.eventtimer.periodic: 0 I think, it is new VBox version problem, but I want to be sure before reporting it to Oracle's bugtracking, as FreeBSD is not usual guest system and I don't want bug to be ignored :) -- // Black Lion AKA Lev Serebryakov