Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756181AbXLKTv6 (ORCPT ); Tue, 11 Dec 2007 14:51:58 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752077AbXLKTvt (ORCPT ); Tue, 11 Dec 2007 14:51:49 -0500 Received: from py-out-1112.google.com ([64.233.166.181]:50312 "EHLO py-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751347AbXLKTvs (ORCPT ); Tue, 11 Dec 2007 14:51:48 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=xzKwl+9Wm5L/J2zxrCf1Al8C20H20htA5hrHtc5Z0C86x90InnvlNamqsLiO8OmCbAut4Bc0Sxlt7hiPGgimykeCgMV+1CyAjkJ5rEnPHSRexex53kcb+KSIEqmjnay5FNQQcrt845dAsQ0m3tjsMGQyPPAvSvSr1d31hdE2EW0= Message-ID: <86802c440712111151t29acd38kf9fac8e41743f3e4@mail.gmail.com> Date: Tue, 11 Dec 2007 11:51:39 -0800 From: "Yinghai Lu" To: "Neil Horman" Subject: Re: [PATCH] kexec: force x86_64 arches to boot kdump kernels on boot cpu Cc: "Eric W. Biederman" , "Ben Woodard" , "Neil Horman" , kexec@lists.infradead.org, "Andi Kleen" , linux-kernel@vger.kernel.org, hbabu@us.ibm.com, "Andi Kleen" In-Reply-To: <20071211192434.GD10999@hmsreliant.think-freely.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <86802c440712070122q6e5824bcp12e1c3f560e2ab53@mail.gmail.com> <20071207175832.GA18485@hmsreliant.think-freely.org> <20071211034349.GA3635@localhost.localdomain> <20071211143910.GA10999@hmsreliant.think-freely.org> <20071211182254.GB10999@hmsreliant.think-freely.org> <20071211192434.GD10999@hmsreliant.think-freely.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1428 Lines: 33 On Dec 11, 2007 11:24 AM, Neil Horman wrote: > On Tue, Dec 11, 2007 at 11:46:34AM -0700, Eric W. Biederman wrote: > > Neil Horman writes: > > > > Ok. My only remaining nit to pick is that fix_hypertransport_config > > is right in the middle of the nvidia quirks, which can be a bit > > confusing when reading through the code. Otherwise I think this > > is a version that we can merge. > > > Sure, I'll move it to the top of the file > > > Let's get a clean description on this thing and send it to the > > current x86 maintainers. Thomas, Ingo, and HPA > > > > Clean Summary: > > Recently a kdump bug was discovered in which a system would hang inside > calibrate_delay during the booting of the kdump kernel. This was caused by the > fact that the jiffies counter was not being incremented during timer > calibration. The root cause of this problem was found to be a bios > misconfiguration of the hypertransport bus. On system affected by this hang, > the bios had assigned APIC ids which used extended apic bits (more than the > nominal 4 bit ids's), but failed to configure bit 18 of the hypertransport should be bit 17. YH -- 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/