From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 08 Sep 2006 11:59:22 +0100 (BST) Received: from localhost.localdomain ([127.0.0.1]:45448 "EHLO dl5rb.ham-radio-op.net") by ftp.linux-mips.org with ESMTP id S20037675AbWIHK7U (ORCPT ); Fri, 8 Sep 2006 11:59:20 +0100 Received: from denk.linux-mips.net (denk.linux-mips.net [127.0.0.1]) by dl5rb.ham-radio-op.net (8.13.7/8.13.7) with ESMTP id k88Axsm0021219; Fri, 8 Sep 2006 12:59:54 +0200 Received: (from ralf@localhost) by denk.linux-mips.net (8.13.7/8.13.7/Submit) id k88Axrj7021218; Fri, 8 Sep 2006 12:59:53 +0200 Date: Fri, 8 Sep 2006 12:59:53 +0200 From: Ralf Baechle To: Kaz Kylheku Cc: linux-mips@linux-mips.org Subject: Re: 64-bit 2.6.17.7 SMP hangs in __cpu_up(). Message-ID: <20060908105953.GA1555@linux-mips.org> References: <66910A579C9312469A7DF9ADB54A8B7D390152@exchange.ZeugmaSystems.local> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <66910A579C9312469A7DF9ADB54A8B7D390152@exchange.ZeugmaSystems.local> User-Agent: Mutt/1.4.2.1i Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 12539 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: ralf@linux-mips.org Precedence: bulk X-list: linux-mips On Thu, Sep 07, 2006 at 04:25:51PM -0700, Kaz Kylheku wrote: > Anyone seen anything like this? > > Execution does not get past the loop: > > while (!cpu_isset(cpu, cpu_callin_map)) > udelay(100); > > The other CPU is not coming up. > > 32 bit SMP works fine. Interesting because the 64-bit kernel is considered bettere tested on Sibyte chips than 32-bit these days. Not a problem I was aware of. Ralf