From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave Jones Subject: Re: Cpufreq and AMD mobile Athlon 4 Date: Tue, 2 Sep 2003 13:59:08 +0100 Sender: cpufreq-bounces+glkc-cpufreq=gmane.org@www.linux.org.uk Message-ID: <20030902125908.GB1225@redhat.com> References: <1062500550.5141.3.camel@riogrande> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <1062500550.5141.3.camel@riogrande> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: cpufreq-bounces+glkc-cpufreq=gmane.org@www.linux.org.uk Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Matt Wright Cc: cpufreq@www.linux.org.uk On Tue, Sep 02, 2003 at 12:02:30PM +0100, Matt Wright wrote: > powernow: Has 14 PST tables. (Only dumping ones relevant to this CPU). > > Nothing else, it doesn't seem to dump and PST tables (as other examples > I've seen show the driver reporting extra info about the CPU). This typically means that of all the PST tables, none of them had the same cpuid. I should put in a check for this, and printk something. BIOS upgrade ? If there isn't one, let me know what manufacturer/model, and I'll ask AMD if they'll 'send the heavies around'. > If I execute the following command: > echo "5000000:17000000:performance" > /proc/cpufreq > > Then the module panics and I get the following in dmesg > > Unable to handle kernel NULL pointer dereference at virtual address > 00000004 Ouch, that shouldn't happen no matter what. > Call Trace: [] [] [] [] > [] > [] > > Code: 8b 45 04 31 c9 83 f8 fe 74 1b 83 f8 ff 74 0c 3b 43 04 72 5a Can you run that oops through ksymoops to decode the addresses to symbols ? Dave -- Dave Jones http://www.codemonkey.org.uk