Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751218AbWEWUAh (ORCPT ); Tue, 23 May 2006 16:00:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751223AbWEWUAh (ORCPT ); Tue, 23 May 2006 16:00:37 -0400 Received: from main.gmane.org ([80.91.229.2]:50130 "EHLO ciao.gmane.org") by vger.kernel.org with ESMTP id S1751218AbWEWUAh (ORCPT ); Tue, 23 May 2006 16:00:37 -0400 X-Injected-Via-Gmane: http://gmane.org/ To: linux-kernel@vger.kernel.org From: Adam Jones Subject: Re: kernel: padlock: VIA PadLock not detected. Date: Tue, 23 May 2006 20:41:19 +0100 Message-ID: References: <20060523164634.GC9829@dantooine> X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: yggdrasl.demon.co.uk Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1624 Lines: 45 In a futile gesture against entropy, markus reichelt wrote: > I get the following message on a Nehemiah system. Any ideas about > that? > kernel: CPU0: Centaur VIA Nehemiah stepping 01 > kernel: padlock: VIA PadLock not detected > > cat /proc/cpuinfo [...] > flags : fpu de tsc msr cx8 mtrr pge cmov mmx fxsr sse > fxsr_opt I believe the padlock support was only added in later steppings of the Nehemiah core. My Nehemiah system here supports it: cat /proc/cpuinfo processor : 0 vendor_id : CentaurHauls cpu family : 6 model : 9 model name : VIA Nehemiah stepping : 8 cpu MHz : 997.000 cache size : 64 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr cx8 sep mtrr pge cmov pat mmx fxsr sse rng rng_en ace ace_en bogomips : 2007.25 (Note the rng* and ace* flags) According to a VIA press release here: http://www.linuxdevices.com/sponsors/SP2782600871-NS4520757633.html only stepping 8 or later CPUs support these instructions. -- Adam Jones (adam@yggdrasl.demon.co.uk)(http://www.yggdrasl.demon.co.uk/) .oO("It's not like it's sigfile fodder or anything..." ) PGP public key: http://www.yggdrasl.demon.co.uk/pubkey.asc - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/