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]!
State Changed From-To: open->closed fixed at r255967