Date: Wed, 1 May 2013 16:09:56 +0200 (CEST) From: "Jakob Alvermark" <jakob@alvermark.net> To: freebsd-arm@freebsd.org Subject: Allwinner A13: Fatal kernel mode data abort: 'Translation Fault (S)' Message-ID: <63837.85.229.93.125.1367417396.squirrel@alvermark.net>
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Hi again,
In my effort to get FreeBSD running on the A13 I got a little further,
however not quite so far as I was hoping for.
Any clues on this?
Jakob
sun5i#go 0x40200100
## Starting application at 0x40200100 ...
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 #0 r250141M: Wed May 1 14:15:44 CEST 2013
root@test10:/home/jakob/a13-gonzo/obj/arm.armv6/usr/src/sys/A13 arm
FreeBSD clang version 3.3 (trunk 178860) 20130405
WARNING: WITNESS option enabled, expect reduced performance.
CPU: Cortex A8-r3 rev 2 (Cortex-A core)
Supported features: ARM_ISA THUMB2 JAZELLE THUMBEE ARMv4 Security_Ext
WB disabled EABT branch prediction enabled
LoUU:2 LoC:2 LoUIS:1
Cache level 1:
32KB/64B 4-way data cache WT WB Read-Alloc
32KB/64B 4-way instruction cache Read-Alloc
Cache level 2:
256KB/64B 8-way unified cache WT WB Read-Alloc Write-Alloc
real memory = 536870912 (512 MB)
avail memory = 511303680 (487 MB)
random device not loaded; using insecure entropy
simplebus0: <Flattened device tree simple bus> on fdtbus0
a13_ccm0: <Allwinner Clock Control Module> mem 0x1c20000-0x1c203ff on
simplebus0
a13_timer0: <Allwinner A13 timer> mem 0x1c20c00-0x1c20c8f irq 22 on
simplebus0
vm_fault(0xc0716ff8, 0, 1, 0) -> 1
Fatal kernel mode data abort: 'Translation Fault (S)'
trapframe: 0xc072aad4
FSR=00000005, FAR=00000008, spsr=a00000d3
r0 =00000000, r1 =00000004, r2 =00000001, r3 =c2f93b48
r4 =00000120, r5 =00000040, r6 =c30ac500, r7 =00000000
r8 =c0716508, r9 =00000000, r10=00000016, r11=c072ab40
r12=c0716da4, ssp=c072ab20, slr=c04b0c64, pc =c04c013c
[ thread pid 0 tid 100000 ]
Stopped at arm_unmask_irq+0x24: ldr r2, [r0, #0x008]
db>
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