Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263987AbTE1JaY (ORCPT ); Wed, 28 May 2003 05:30:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263990AbTE1JaY (ORCPT ); Wed, 28 May 2003 05:30:24 -0400 Received: from cibs9.sns.it ([192.167.206.29]:61964 "EHLO cibs9.sns.it") by vger.kernel.org with ESMTP id S263987AbTE1JaW (ORCPT ); Wed, 28 May 2003 05:30:22 -0400 Date: Wed, 28 May 2003 11:43:36 +0200 (CEST) From: venom@sns.it To: linux-kernel@vger.kernel.org Subject: strange clock fastness with 2.5.70 and chipset i810 Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2735 Lines: 70 HI, I just upgraded on a test pc to kernel 2.5.70. with this kernel the system clock has become e lot faster (the same happens with 2.5.69 too), so what the system thinks to be a second, is more or le 0,6 real seconds. setting HZ to 100 slows down a little, so a system second is almost 0,8 real seconds. going back to 2.5.66 or 2.4.20 solves the problem. please note that I am testing 2.5.70 also on Serverworks chipset on SMP and on VIA 686a and AMD chipsets, but just on i810 I have this problem. server is a PIII 933Mhz 256KB chache, 512MB RAM 133Mhz chipset is an i810: 00:00.0 Host bridge: Intel Corp. 82815 815 Chipset Host Bridge and Memory Controller Hub (rev 02) Flags: bus master, fast devsel, latency 0 Capabilities: [88] #09 [f104] 00:02.0 VGA compatible controller: Intel Corp. 82815 CGC [Chipset Graphics Controller] (rev 02) (prog-if 00 [VGA]) Subsystem: Compaq Computer Corporation: Unknown device 0034 Flags: bus master, 66Mhz, medium devsel, latency 0, IRQ 16 Memory at 44000000 (32-bit, prefetchable) [size=64M] Memory at 40300000 (32-bit, non-prefetchable) [size=512K] Capabilities: [dc] Power Management version 2 00:1e.0 PCI bridge: Intel Corp. 82801AA PCI Bridge (rev 02) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=02, subordinate=02, sec-latency=64 I/O behind bridge: 00001000-00001fff Memory behind bridge: 40000000-402fffff 00:1f.0 ISA bridge: Intel Corp. 82801AA ISA Bridge (LPC) (rev 02) Flags: bus master, medium devsel, latency 0 00:1f.1 IDE interface: Intel Corp. 82801AA IDE (rev 02) (prog-if 80 [Master]) Subsystem: Intel Corp. 82801AA IDE Flags: bus master, medium devsel, latency 0 I/O ports at 2460 [size=16] 00:1f.2 USB Controller: Intel Corp. 82801AA USB (rev 02) (prog-if 00 [UHCI]) Subsystem: Intel Corp. 82801AA USB Flags: bus master, medium devsel, latency 0, IRQ 19 I/O ports at 2440 [size=32] 00:1f.5 Multimedia audio controller: Intel Corp. 82801AA AC'97 Audio (rev 02) Subsystem: Compaq Computer Corporation: Unknown device b1bf Flags: bus master, medium devsel, latency 0, IRQ 17 I/O ports at 2000 [size=256] I/O ports at 2400 [size=64] kernel is 2.5.70 compiled with gcc 3.3 and binutils 2.14.90.0.2, 2.5.69 was compiled with gcc 3.2.3 but the problem was present anyway. hope this helps Luigi - 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/