From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Fri, 01 May 2009 16:17:23 +0100 (BST) Received: from mms1.broadcom.com ([216.31.210.17]:2681 "EHLO mms1.broadcom.com" rhost-flags-OK-OK-OK-OK) by ftp.linux-mips.org with ESMTP id S28574141AbZEAPRQ (ORCPT ); Fri, 1 May 2009 16:17:16 +0100 Received: from [10.9.200.131] by mms1.broadcom.com with ESMTP (Broadcom SMTP Relay (Email Firewall v6.3.2)); Fri, 01 May 2009 08:16:55 -0700 X-Server-Uuid: 02CED230-5797-4B57-9875-D5D2FEE4708A Received: from mail-irva-13.broadcom.com (10.11.16.103) by IRVEXCHHUB01.corp.ad.broadcom.com (10.9.200.131) with Microsoft SMTP Server id 8.1.358.0; Fri, 1 May 2009 08:16:55 -0700 Received: from [10.28.6.13] (lab-mhtb-013.ne.broadcom.com [10.28.6.13]) by mail-irva-13.broadcom.com (Postfix) with ESMTP id CB6AB74D03; Fri, 1 May 2009 08:16:54 -0700 (PDT) Subject: Re: kernel for a Broadcom Swarm board From: "Jon Fraser" Reply-to: jfraser@broadcom.com To: "luk@debian.org" , "linux-mips@linux-mips.org" cc: jfraser@broadcom.com In-Reply-To: <49FA27FA.3070408@debian.org> References: <49FA27FA.3070408@debian.org> Organization: Broadcom Date: Fri, 1 May 2009 11:16:53 -0400 Message-ID: <1241191013.15448.218.camel@chaos.ne.broadcom.com> MIME-Version: 1.0 X-Mailer: Evolution 2.12.3 (2.12.3-5.fc8) X-WSS-ID: 65E5CDED3BW7901537-01-01 Content-Type: text/plain Content-Transfer-Encoding: 7bit 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: 22591 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: jfraser@broadcom.com Precedence: bulk X-list: linux-mips On Thu, 2009-04-30 at 15:36 -0700, Luk Claes wrote: > Hi > > > | [ 0.000000] Broadcom SiByte BCM1250 B2 @ 800 MHz (SB1 rev 2) > > | [ 0.000000] Board type: SiByte BCM91250A (SWARM) > > | [ 0.000000] This kernel optimized for board runs with CFE > > | [ 0.000000] Determined physical RAM map: > > | [ 0.000000] memory: 000000000fe47e00 @ 0000000000000000 (usable) > > | [ 0.000000] Initrd not found or empty - disabling initrd > > | [ 0.000000] Zone PFN ranges: > > | [ 0.000000] DMA32 0x00000000 -> 0x00100000 > > | [ 0.000000] Normal 0x00100000 -> 0x00100000 > > | [ 0.000000] Movable zone start PFN for each node > > | [ 0.000000] early_node_map[1] active PFN ranges > > | [ 0.000000] 0: 0x00000000 -> 0x0000fe47 > > | [ 0.000000] Detected 1 available secondary CPU(s) > > | [ 0.000000] Built 1 zonelists in Zone order, mobility grouping > on. Total > > pages: 64205 > > | [ 0.000000] Kernel command line: root=/dev/hdc1 console=duart0 > > | [ 0.000000] Primary instruction cache 32kB, VIVT, 4-way, > linesize 32 bytes. > > | [ 0.000000] Primary data cache 32kB, 4-way, PIPT, no aliases, > linesize 32 > > bytes > > | [ 0.000000] PID hash table entries: 1024 (order: 10, 8192 bytes) > > > > And then it hangs... > > The zeros look like there are no timing interrupts happening. It's a > pity we don't have hardware to test which kernel version introduced the > bug (for instance with git-bisect and reboots). > > Cheers > > Luk > Try turning off SMP. I have a 1480 (big sur) board. I just tried 2.6.28.9. This is 32 bit, little endian mode. With SMP turned on, it hung in the same place. With SMP turned off, it booted fine. Jon Fraser Broadcom >