From owner-freebsd-amd64@FreeBSD.ORG Sun Sep 9 19:40:10 2012 Return-Path: Delivered-To: freebsd-amd64@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1304A106566C for ; Sun, 9 Sep 2012 19:40:06 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 55D6B8FC0A for ; Sun, 9 Sep 2012 19:40:06 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q89Je6Gr085454 for ; Sun, 9 Sep 2012 19:40:06 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q89Je6iN085439; Sun, 9 Sep 2012 19:40:06 GMT (envelope-from gnats) Date: Sun, 9 Sep 2012 19:40:06 GMT Message-Id: <201209091940.q89Je6iN085439@freefall.freebsd.org> To: freebsd-amd64@FreeBSD.org From: Attilio Rao X-Mailman-Approved-At: Sun, 09 Sep 2012 20:17:34 +0000 Cc: Subject: Re: amd64/171355: FreeBSD 9.1rc1 (and 10-HEAD) not booting on HP Pavilion g6 2147sl X-BeenThere: freebsd-amd64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Attilio Rao List-Id: Porting FreeBSD to the AMD64 platform List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 09 Sep 2012 19:40:10 -0000 The following reply was made to PR amd64/171355; it has been noted by GNATS. From: Attilio Rao To: Stefano Marinelli Cc: Alexander Motin , bug-followup@freebsd.org Subject: Re: amd64/171355: FreeBSD 9.1rc1 (and 10-HEAD) not booting on HP Pavilion g6 2147sl Date: Sun, 9 Sep 2012 20:30:00 +0100 On Sun, Sep 9, 2012 at 8:27 PM, Stefano Marinelli wrote= : >> It looks like the problem is in HPET timer operation. There are number o= f known and handled problems with AMD HPETs, but seems like you've found ne= w one. Unluckily, the part of the log about HPET timer didn't fit into the = message buffer. The buffer can be tuned with tunable kern.msgbufsize. Defau= lt value is 98304. You may try to double it. The specified value must be mu= ltiple of 4096. > > Ok, I rised it and I think the whole dmesg is now on the file. > The link is: http://www.dragas.org/~draga/dmesg.txt > > Also, please note there's another problem on this machine: CPU never goes= to low power, keeping fans always on and keeping power consumption high. O= n Linux, I can see the cpu lowering its frequencies. On FreeBSD, it seems i= t can't detect lower than c1 statuses and other frequencies: > > [root@pcbsd-8515] ~# sysctl -a | grep cpu > cpu HAMMER > device cpufreq > kern.ccpu: 0 > kern.sched.cpusetsize: 8 > 0, 1 > 0, 1 > kern.smp.cpus: 2 > kern.smp.maxcpus: 64 > net.inet.tcp.per_cpu_timers: 0 > debug.acpi.cpu_unordered: 0 > debug.cpufreq.verbose: 0 > debug.cpufreq.lowest: 0 > hw.ncpu: 2 > hw.acpi.cpu.cx_lowest: C1 > security.jail.param.cpuset.id: 0 > dev.cpu.0.%desc: ACPI CPU > dev.cpu.0.%driver: cpu > dev.cpu.0.%location: handle=3D\_PR_.C000 > dev.cpu.0.%pnpinfo: _HID=3Dnone _UID=3D0 > dev.cpu.0.%parent: acpi0 > dev.cpu.0.cx_supported: C1/0 C2/100 > dev.cpu.0.cx_lowest: C1 > dev.cpu.0.cx_usage: 100.00% 0.00% last 305us > dev.cpu.1.%desc: ACPI CPU > dev.cpu.1.%driver: cpu > dev.cpu.1.%location: handle=3D\_PR_.C001 > dev.cpu.1.%pnpinfo: _HID=3Dnone _UID=3D0 > dev.cpu.1.%parent: acpi0 > dev.cpu.1.cx_supported: C1/0 C2/100 > dev.cpu.1.cx_lowest: C1 > dev.cpu.1.cx_usage: 100.00% 0.00% last 8264us > dev.acpi_perf.0.%parent: cpu0 > dev.acpi_perf.1.%parent: cpu1 > > More, the machine hangs when performing a shutdown or reboot. Can you please show the reboot/shutdown console output? Also, can you please show the value of sysctl hw.acpi.handle_reboot ? Attilio --=20 Peace can only be achieved by understanding - A. Einstein