Date: Sat, 29 Jun 2013 04:46:44 GMT From: Ruslan Bukin <br@bsdpad.com> To: freebsd-gnats-submit@FreeBSD.org Subject: arm/180080: Unmapped buffers on ARMv7 big-RAM boards Message-ID: <201306290446.r5T4kiqC031297@oldred.freebsd.org> Resent-Message-ID: <201306290450.r5T4o0Ue026352@freefall.freebsd.org>
next in thread | raw e-mail | index | archive | help
>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:
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201306290446.r5T4kiqC031297>