From mboxrd@z Thu Jan 1 00:00:00 1970 From: Janpieter Sollie Subject: PROBLEM: Amd powernow lowest freqency (athlon 4 1500+ palomino core) 2.6.16-7 Date: Sun, 21 May 2006 19:47:39 +0000 Message-ID: <4470C3DB.1020109@UGent.be> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: cpufreq-bounces@lists.linux.org.uk Errors-To: cpufreq-bounces+glkc-cpufreq=m.gmane.org+glkc-cpufreq=m.gmane.org@lists.linux.org.uk Content-Type: text/plain; charset="us-ascii"; format="flowed" To: cpufreq@lists.linux.org.uk Sir / mrs, I think there is a bug in the cpufreq driver for powernow. here's the system setup as described by /scripts/ver_linux: --------------------------------------------------------------------------------------------------- Linux portablejp 2.6.16-gentoo-r7 #2 Fri May 19 17:29:06 Local time zone must be set--see zic manu i686 mobile AMD Athlon(tm) 4 1500+ Processor AuthenticAMD GNU/Linux Gnu C 3.3.5-20050130 Gnu make 3.80 binutils 2.16.1 util-linux 2.12r mount 2.12r module-init-tools 3.0 e2fsprogs 1.38 reiserfsprogs line reiser4progs line pcmcia-cs 3.2.8 PPP 2.4.2 Linux C Library 2.3.4 Dynamic linker (ldd) 2.3.4 Procps 3.2.5 Net-tools 1.60 Kbd 1.12 Sh-utils 5.2.1 udev 058 Modules Loaded r8169 parport_pc lp snd_pcm_oss snd_mixer_oss snd_seq_oss snd_seq_midi_event snd_seq snd_via82xx snd_ac97_codec snd_ac97_bus snd_pcm snd_timer snd_page_alloc snd_mpu401_uart snd_rawmidi snd_seq_device snd soundcore cifs evdev autofs4 genrtc dummy via_rhine libcrc32c yenta_socket rsrc_nonstatic parport pcmcia pcmcia_core ntfs usbhid usb_storage uhci_hcd ohci_hcd usbcore firmware_class md5 des deflate zlib_deflate zlib_inflate -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Problem description: The driver reports following frequencies: (cpy&paste from /sys/../cpufreq/scaling_available_frequencies) 300069 700161 800184 900207 1000230 1100253 1300299 The 300069 setting causes the system to hang immediately. Symptoms: echo 300069 > /sys/../cpufreq/scaling_setspeeds causes the system to hang (with userspace as governor ofc) the governor powersave causes the system to hang the governor conservative crashes sometimes during very idle periods. I hope this report was helpful, greetings, Janpieter Sollie