Date: Sun, 9 Sep 2012 19:40:06 GMT From: Attilio Rao <attilio@freebsd.org> To: freebsd-amd64@FreeBSD.org Subject: Re: amd64/171355: FreeBSD 9.1rc1 (and 10-HEAD) not booting on HP Pavilion g6 2147sl Message-ID: <201209091940.q89Je6iN085439@freefall.freebsd.org>
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The following reply was made to PR amd64/171355; it has been noted by GNATS. From: Attilio Rao <attilio@freebsd.org> To: Stefano Marinelli <stefano@dragas.it> Cc: Alexander Motin <mav@freebsd.org>, 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 <stefano@dragas.it> 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 > <cpu count=3D"2" mask=3D"3">0, 1</cpu> > <cpu count=3D"2" mask=3D"3">0, 1</cpu> > 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
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