Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757295AbZKSWIj (ORCPT ); Thu, 19 Nov 2009 17:08:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756686AbZKSWIi (ORCPT ); Thu, 19 Nov 2009 17:08:38 -0500 Received: from mga14.intel.com ([143.182.124.37]:31202 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756563AbZKSWIh (ORCPT ); Thu, 19 Nov 2009 17:08:37 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.44,773,1249282800"; d="scan'208";a="213602514" Subject: Re: 2.6.31.4: WARNING: at arch/x86/kernel/hpet.c:390 hpet_next_event+0x70/0x80() [occurs when ACPI_PROCESSOR=y] From: "Pallipadi, Venkatesh" To: Justin Piszcz Cc: Thomas Gleixner , john stultz , lkml , Arjan van de Ven In-Reply-To: References: <1258069232.14894.9.camel@localhost.localdomain> <7E82351C108FA840AB1866AC776AEC467647ABBD@orsmsx505.amr.corp.intel.com> <1258137165.21141.20.camel@localhost.localdomain> <1258161139.21141.29.camel@localhost.localdomain> <20091117213711.GA19132@linux-os.sc.intel.com> Content-Type: text/plain Date: Thu, 19 Nov 2009 14:08:43 -0800 Message-Id: <1258668523.21141.109.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.24.3 (2.24.3-1.fc10) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1218 Lines: 36 On Tue, 2009-11-17 at 14:53 -0800, Justin Piszcz wrote: > > On Tue, 17 Nov 2009, Pallipadi, Venkatesh wrote: > > > On Tue, Nov 17, 2009 at 03:45:31AM -0800, Justin Piszcz wrote: > > + WARN_ON_ONCE((u32)hpet_readl(HPET_Tn_CMP(timer)) != cnt); > > > > return (s32)((u32)hpet_readl(HPET_COUNTER) - cnt) >= 0 ? -ETIME : 0; > > } > > -- > > 1.6.0.6 > > Hi, that omits the message @ boot and you are correct, all is/continues to work fine. > > Thanks.. > > As far as the DP55KG reboots, the workaround is set append="reboot=a" - > will a BIOS fix address this (other) issue? Try rebooting Linux without > any special parameters (2.6.30+) and the DP55KG will hang at reboot > (note, shutdown does shut the machine off). > I haven't seen this reboot problem on my test system here. So, I don't know what the problem is. Probably some BIOS issue. Does "reboot=b" work? Quickest solution will be to add platform dmi entry in reboot.c and workaround this. Thanks, Venki -- 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/