From owner-freebsd-stable@FreeBSD.ORG Thu Jan 19 20:03:25 2012 Return-Path: Delivered-To: freebsd-stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 37BCA106566B; Thu, 19 Jan 2012 20:03:25 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 0EAE48FC15; Thu, 19 Jan 2012 20:03:23 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id WAA22663; Thu, 19 Jan 2012 22:03:20 +0200 (EET) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1RnyCe-000CKL-Gx; Thu, 19 Jan 2012 22:03:20 +0200 Message-ID: <4F187706.90201@FreeBSD.org> Date: Thu, 19 Jan 2012 22:03:18 +0200 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:9.0) Gecko/20111222 Thunderbird/9.0 MIME-Version: 1.0 To: =?ISO-8859-2?Q?L=E1szl=F3_K=E1rolyi?= References: <4F181FE7.30904@karolyi.hu> <4F18506C.4050604@FreeBSD.org> In-Reply-To: X-Enigmail-Version: undefined Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 8bit Cc: Alexander Motin , freebsd-stable@FreeBSD.org Subject: Re: Strange 'hangs' with RELENG_9 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Jan 2012 20:03:25 -0000 on 19/01/2012 21:24 László Károlyi said the following: > On 2012.01.19., at 18:18, Andriy Gapon wrote: > >> Please provide output of the following sysctls: >> sysctl kern.eventtimer >> sysctl kern.timecounter > > > [root@sys ~]# sysctl kern.eventtimer > kern.eventtimer.choice: HPET(450) HPET1(450) HPET2(450) LAPIC(400) i8254(100) RTC(0) > kern.eventtimer.et.LAPIC.flags: 15 > kern.eventtimer.et.LAPIC.frequency: 0 > 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.HPET.flags: 3 > kern.eventtimer.et.HPET.frequency: 14318180 > kern.eventtimer.et.HPET.quality: 450 > kern.eventtimer.et.HPET1.flags: 3 > kern.eventtimer.et.HPET1.frequency: 14318180 > kern.eventtimer.et.HPET1.quality: 450 > kern.eventtimer.et.HPET2.flags: 3 > kern.eventtimer.et.HPET2.frequency: 14318180 > kern.eventtimer.et.HPET2.quality: 450 > kern.eventtimer.et.RTC.flags: 17 > kern.eventtimer.et.RTC.frequency: 32768 > kern.eventtimer.et.RTC.quality: 0 > kern.eventtimer.periodic: 0 > kern.eventtimer.timer: HPET > kern.eventtimer.idletick: 0 > kern.eventtimer.singlemul: 2 > [root@sys ~]# sysctl kern.timecounter > kern.timecounter.tick: 1 > kern.timecounter.choice: TSC-low(800) HPET(950) i8254(0) ACPI-fast(900) dummy(-1000000) > kern.timecounter.hardware: HPET > kern.timecounter.stepwarnings: 0 > kern.timecounter.tc.ACPI-fast.mask: 4294967295 > kern.timecounter.tc.ACPI-fast.counter: 3649705857 > kern.timecounter.tc.ACPI-fast.frequency: 3579545 > kern.timecounter.tc.ACPI-fast.quality: 900 > kern.timecounter.tc.i8254.mask: 65535 > kern.timecounter.tc.i8254.counter: 27536 > kern.timecounter.tc.i8254.frequency: 1193182 > kern.timecounter.tc.i8254.quality: 0 > kern.timecounter.tc.HPET.mask: 4294967295 > kern.timecounter.tc.HPET.counter: 1224089625 > kern.timecounter.tc.HPET.frequency: 14318180 > kern.timecounter.tc.HPET.quality: 950 > kern.timecounter.tc.TSC-low.mask: 4294967295 > kern.timecounter.tc.TSC-low.counter: 1655163352 > kern.timecounter.tc.TSC-low.frequency: 11772185 > kern.timecounter.tc.TSC-low.quality: 800 > kern.timecounter.smp_tsc: 1 > kern.timecounter.invariant_tsc: 1 I wonder whether there could be an interference between HPET being used as timecounter and HPET being used as an event timer. Alexander, what do you think? László, can you please try changing kern.timecounter.hardware to TSC-low or ACPI-fast? -- Andriy Gapon