Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764889AbXHWUWW (ORCPT ); Thu, 23 Aug 2007 16:22:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755849AbXHWUWQ (ORCPT ); Thu, 23 Aug 2007 16:22:16 -0400 Received: from aa014msr.fastwebnet.it ([85.18.95.74]:55304 "EHLO aa014msr.fastwebnet.it" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755568AbXHWUWP (ORCPT ); Thu, 23 Aug 2007 16:22:15 -0400 Date: Thu, 23 Aug 2007 22:21:15 +0200 From: Paolo Ornati To: Tony Luck Cc: Linux Kernel Mailing List , Bob Picco Subject: "double" hpet clocksource && hard freeze [bisected] Message-ID: <20070823222115.122a37ca@localhost> X-Mailer: Claws Mail 2.9.1 (GTK+ 2.10.13; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2375 Lines: 86 Hi, since commit: commit 0aa366f351d044703e25c8425e508170e80d83b1 Author: Tony Luck Date: Fri Jul 20 11:22:30 2007 -0700 [IA64] Convert to generic timekeeping/clocksource This is a merge of Peter Keilty's initial patch (which was revived by Bob Picco) for this with Hidetoshi Seto's fixes and scaling improvements. I have a double "hpet" entry in "available_clocksource": $ cat /sys/devices/system/clocksource/clocksource0/available_clocksource tsc hpet hpet acpi_pm jiffies And, more interesting, if I select hpet as clocksource (tsc is used by default here) I get an hard freeze some time later (few minutes)... SysRQ don't work ;) config & dmesg attached Motherboard is a Intel DG965SS CPU: processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz stepping : 6 cpu MHz : 1864.804 cache size : 2048 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm bogomips : 3731.75 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz stepping : 6 cpu MHz : 1864.804 cache size : 2048 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good pni monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr lahf_lm bogomips : 3729.63 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: -- Paolo Ornati Linux 2.6.22-g5bae7ac9 on x86_64 - 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/