From owner-freebsd-arm@FreeBSD.ORG Sat Jun 29 04:50:00 2013 Return-Path: Delivered-To: freebsd-arm@smarthost.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id CEA7B41C for ; Sat, 29 Jun 2013 04:50:00 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 9C4E5182F for ; Sat, 29 Jun 2013 04:50:00 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.7/8.14.7) with ESMTP id r5T4o0hY026353 for ; Sat, 29 Jun 2013 04:50:00 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.7/8.14.7/Submit) id r5T4o0Ue026352; Sat, 29 Jun 2013 04:50:00 GMT (envelope-from gnats) Resent-Date: Sat, 29 Jun 2013 04:50:00 GMT Resent-Message-Id: <201306290450.r5T4o0Ue026352@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-arm@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Ruslan Bukin Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 100CB3FB for ; Sat, 29 Jun 2013 04:46:45 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from oldred.freebsd.org (oldred.freebsd.org [8.8.178.121]) by mx1.freebsd.org (Postfix) with ESMTP id 030701818 for ; Sat, 29 Jun 2013 04:46:45 +0000 (UTC) Received: from oldred.freebsd.org ([127.0.1.6]) by oldred.freebsd.org (8.14.5/8.14.7) with ESMTP id r5T4kiXI031300 for ; Sat, 29 Jun 2013 04:46:44 GMT (envelope-from nobody@oldred.freebsd.org) Received: (from nobody@localhost) by oldred.freebsd.org (8.14.5/8.14.5/Submit) id r5T4kiqC031297; Sat, 29 Jun 2013 04:46:44 GMT (envelope-from nobody) Message-Id: <201306290446.r5T4kiqC031297@oldred.freebsd.org> Date: Sat, 29 Jun 2013 04:46:44 GMT From: Ruslan Bukin To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Subject: arm/180080: Unmapped buffers on ARMv7 big-RAM boards X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Jun 2013 04:50:00 -0000 >Number: 180080 >Category: arm >Synopsis: Unmapped buffers on ARMv7 big-RAM boards >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-arm >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Jun 29 04:50:00 UTC 2013 >Closed-Date: >Last-Modified: >Originator: Ruslan Bukin >Release: 10.0-CURRENT >Organization: >Environment: >Description: Booting ARMv7 boards with 2GB RAM on board and unmapped_buf_allowed == 1 (default setting) causes panic: ## Starting application at 0x40F00000 ... KDB: debugger backends: ddb KDB: current backend: ddb Copyright (c) 1992-2013 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 10.0-CURRENT #19 r252351M: Sat Jun 29 01:20:20 MSK 2013 root@intel.bsdpad.com:/usr/obj/arm.armv6/usr/home/br/dev/head/sys/ARNDALE arm FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610 WARNING: DIAGNOSTIC option enabled, expect reduced performance. CPU: Cortex A15 rev 4 (Cortex-A core) Supported features: ARM_ISA THUMB2 THUMBEE ARMv4 Security_Ext WB disabled EABT branch prediction enabled LoUU:2 LoC:2 LoUIS:2 Cache level 1: 32KB/64B 2-way data cache WB Read-Alloc Write-Alloc 32KB/64B 2-way instruction cache Read-Alloc Cache level 2: 1024KB/64B 16-way unified cache WB Read-Alloc Write-Alloc real memory = 2147483648 (2048 MB) panic: kmem_suballoc: bad status return of 3 KDB: enter: panic [ thread pid 0 tid 0 ] Stopped at kdb_enter+0x48: ldrb r15, [r15, r15, ror r15]! >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: