Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751049AbVLZIVG (ORCPT ); Mon, 26 Dec 2005 03:21:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751060AbVLZIVG (ORCPT ); Mon, 26 Dec 2005 03:21:06 -0500 Received: from noname.neutralserver.com ([70.84.186.210]:58198 "EHLO noname.neutralserver.com") by vger.kernel.org with ESMTP id S1751049AbVLZIVF (ORCPT ); Mon, 26 Dec 2005 03:21:05 -0500 Date: Mon, 26 Dec 2005 10:23:39 +0200 From: Dan Aloni To: Linux Kernel List Subject: reboot of x86_64 on Intel Xeon (2.6.15-rc7) Message-ID: <20051226082339.GA13208@localdomain> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.11 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - noname.neutralserver.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - monatomic.org X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1704 Lines: 56 Hello, It seems that reboots (using KDB's 'reboot' or 'reboot -n -f') simply hang in machine_emergency_restart() with the x86_64 port on Intel. On AMD the same kernel reboots perfectly. I've tried reboot=t - didn't work. # cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 2.80GHz stepping : 1 cpu MHz : 2800.176 cache size : 1024 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 5 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 lm pni monitor ds_cpl cid bogomips : 5583.66 processor : 1 vendor_id : GenuineIntel cpu family : 15 model : 4 model name : Intel(R) Xeon(TM) CPU 2.80GHz stepping : 1 cpu MHz : 2800.176 cache size : 1024 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 5 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 lm pni monitor ds_cpl cid bogomips : 5596.77 -- Dan Aloni da-x@monatomic.org, da-x@colinux.org, da-x@gmx.net - 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/