From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757360AbYEFHyW (ORCPT ); Tue, 6 May 2008 03:54:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752126AbYEFHyN (ORCPT ); Tue, 6 May 2008 03:54:13 -0400 Received: from aun.it.uu.se ([130.238.12.36]:60191 "EHLO aun.it.uu.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751348AbYEFHyM (ORCPT ); Tue, 6 May 2008 03:54:12 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <18464.3741.133714.308327@harpo.it.uu.se> Date: Tue, 6 May 2008 09:54:05 +0200 From: Mikael Pettersson To: davem@davemloft.net Cc: sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [BUG] 2.6.26-rc1 hangs during boot on UltraSPARC 5 X-Mailer: VM 7.17 under Emacs 20.7.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2.6.25 works fine on my Ultra5, but 2.6.26-rc1 hangs early in boot. I don't have a serial cable to capture early kernel messages, but extrapolating from 2.6.25 I get: PROMLIB: Sun IEEE Boot Prom 'OBP 3.25.3 2000/06/29 14:12' PROMLIB: Root node compatible: Linux version 2.6.25 (mikpe@sparge) (gcc version 4.2.3) #1 Thu Apr 17 19:53:16 CEST 2008 console [earlyprom0] enabled ARCH: SUN4U Ethernet address: 08:00:20:fd:ec:1f Kernel: Using 1 locked TLB entries for main kernel image. Remapping the kernel... done. [0000000200000000-fffff80000400000] page_structs=262144 node=0 entry=0/0 [0000000200000000-fffff80000800000] page_structs=262144 node=0 entry=1/0 [0000000200000000-fffff80000c00000] page_structs=262144 node=0 entry=2/0 [0000000200000000-fffff80001000000] page_structs=262144 node=0 entry=3/0 OF stdout device is: /pci@1f,0/pci@1,1/SUNW,m64B@2 PROM: Built device tree with 46848 bytes of memory. On node 0 totalpages: 32298 Normal zone: 335 pages used for memmap Normal zone: 0 pages reserved Normal zone: 31963 pages, LIFO batch:7 Movable zone: 0 pages used for memmap Booting Linux... Built 1 zonelists in Zone order, mobility grouping on. Total pages: 31963 Kernel command line: ro root=/dev/sda5 PID hash table entries: 1024 (order: 10, 8192 bytes) clocksource: mult[28000] shift[16] clockevent: mult[66666666] shift[32] Console: colour dummy device 80x25 console handover: boot [earlyprom0] -> real [tty0] *** 2.6.26-rc1 gets as far as the line above, then hangs Dentry cache hash table entries: 32768 (order: 5, 262144 bytes) Inode-cache hash table entries: 16384 (order: 4, 131072 bytes) Memory: 237256k available (1928k kernel code, 744k data, 144k init) [fffff80000000000,0000000017f46000] SLUB: Genslabs=13, HWalign=32, Order=0-2, MinObjects=8, CPUs=1, Nodes=1 Calibrating delay using timer specific routine.. 800.81 BogoMIPS (lpj=4004065) ... Full config is available in . If anyone has patches to try I can try them this evening, otherwise I'll start the painful bisection process tomorrow. /Mikael