Date: Wed, 31 Jul 2013 17:41:18 +0200 From: Mattia Rossi <mattia.rossi.mate@gmail.com> To: arm@freebsd.org Subject: Kernel Panic on DREAMPLUG: Alignment Fault 1 Message-ID: <51F9301E.3040506@gmail.com>
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Hi all,
this might be related to the WLI-UC-GNM Alignment Fault, but definitely
has nothing to do with Wireless LAN.
It rather seems that there's a problem with the USB subsystem.
See dmesg an backtrace below.
## Starting application at 0x00900000 ...
KDB: debugger backends: ddb
KDB: current backend: ddb
Copyright (c) 1992-2013 The FreeBSD Project.
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The Regents of the University of California. All rights reserved.
FreeBSD is a registered trademark of The FreeBSD Foundation.
FreeBSD 10.0-CURRENT #9 r253846M: Wed Jul 31 17:24:31 CEST 2013
root@freebsd9.1-base:/usr/obj/arm.arm/usr/devel/dreamplug/sys/DREAMPLUG-100m
FreeBSD clang version 3.3 (tags/RELEASE_33/final 183502) 20130610
WARNING: DIAGNOSTIC option enabled, expect reduced performance.
CPU: Feroceon 88FR131 rev 1 (Marvell core)
Little-endian DC enabled IC enabled WA disabled DC streaming enabled
BTB disabled L2 enabled L2 prefetch enabled
WB enabled EABT branch prediction enabled
16KB/32B 4-way instruction cache
16KB/32B 4-way write-back-locking-C data cache
real memory = 536870912 (512 MB)
avail memory = 510828544 (487 MB)
SOC: Marvell 88F6281 rev A1, TClock 200MHz
Instruction cache prefetch disabled, data cache prefetch disabled
256KB 4-way set-associative write-through unified L2 cache
random device not loaded; using insecure entropy
localbus0: <Marvell device bus> on fdtbus0
simplebus0: <Flattened device tree simple bus> on fdtbus0
ic0: <Marvell Integrated Interrupt Controller> mem 0xf1020200-0xf102023b
on sim0
timer0: <Marvell CPU Timer> mem 0xf1020300-0xf102032f irq 1 on simplebus0
Event timer "CPUTimer0" frequency 200000000 Hz quality 1000
Timecounter "CPUTimer1" frequency 200000000 Hz quality 1000
gpio0: <Marvell Integrated GPIO Controller> mem 0xf1010100-0xf101011f
irq 35,360
rtc0: <Marvell Integrated RTC> mem 0xf1010300-0xf1010307 on simplebus0
twsi0: <Marvell Integrated I2C Bus Controller> mem 0xf1011000-0xf101101f
irq 430
iicbus0: <Philips I2C bus> on twsi0
iic0: <I2C generic I/O> on iicbus0
mge0: <Marvell Gigabit Ethernet controller> mem 0xf1072000-0xf1073fff
irq 12,130
mge0: Ethernet address: f0:ad:4e:00:84:c7
miibus0: <MII bus> on mge0
e1000phy0: <Marvell 88E1116R Gigabit PHY> PHY 0 on miibus0
e1000phy0: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
1000baseT, 10o
mge1: <Marvell Gigabit Ethernet controller> mem 0xf1076000-0xf1077fff
irq 16,170
mge1: Ethernet address: f0:ad:4e:00:84:c8
miibus1: <MII bus> on mge1
e1000phy1: <Marvell 88E1116R Gigabit PHY> PHY 1 on miibus1
e1000phy1: none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX,
1000baseT, 10o
uart0: <16550 or compatible> mem 0xf1012000-0xf101201f irq 33 on simplebus0
uart0: console (1056,n,8,1)
uart1: <16550 or compatible> mem 0xf1012100-0xf101211f irq 34 on simplebus0
cesa0: <Marvell Cryptographic Engine and Security Accelerator> mem
0xf1030000-00
ehci0: <Marvell Integrated USB 2.0 controller> mem 0xf1050000-0xf1050fff
irq 480
usbus0: EHCI version 1.0
usbus0: set host controller mode
usbus0 on ehci0
mvs0: <Marvell 88F6281 SATA controller> mem 0xf1080000-0xf1085fff irq 21
on sim0
mvs0: Gen-IIe, 2 3Gbps ports, Port Multiplier supported with FBS
mvsch0: <Marvell SATA channel> at channel 0 on mvs0
mvsch1: <Marvell SATA channel> at channel 1 on mvs0
cryptosoft0: <software crypto>
Timecounters tick every 10.000 msec
IPsec: Initialized Security Association Processing.
ipfw2 (+ipv6) initialized, divert enabled, nat enabled, default to
accept, loggd
DUMMYNET 0 with IPv6 initialized (100409)
load_dn_sched dn_sched FIFO loaded
load_dn_sched dn_sched PRIO loaded
load_dn_sched dn_sched QFQ loaded
load_dn_sched dn_sched RR loaded
load_dn_sched dn_sched WF2Q+ loaded
usbus0: 480Mbps High Speed USB v2.0
Fatal kernel mode data abort: 'Alignment Fault 1'
trapframe: 0xde472b48
FSR=00000001, FAR=de472bc4, spsr=60000093
r0 =001e48e5, r1 =ffffffff, r2 =0000001c, r3 =001e48e5
r4 =de472bbc, r5 =de472bc4, r6 =c3598c80, r7 =c0e7c830
r8 =798ee230, r9 =00000015, r10=00000001, r11=de472bb4
r12=c0d240e8, ssp=de472b94, slr=c0d44c6c, pc =c0ab8264
[ thread pid 5 tid 100036 ]
Stopped at binuptime+0x70: und 0xe1c500d0
db> bt
Tracing pid 5 tid 100036 td 0xc3598c80
db_trace_self() at db_trace_self
pc = 0xc0d2807c lr = 0xc0941d84 (db_hex2dec+0x4d8)
sp = 0xde472840 fp = 0xde472858
r10 = 0xc0e59e60
db_hex2dec() at db_hex2dec+0x4d8
pc = 0xc0941d84 lr = 0xc09416f4 (db_command_loop+0x2f4)
sp = 0xde472860 fp = 0xde472900
r4 = 0x00000000 r5 = 0x00000000
r6 = 0xc0d9e9fc
db_command_loop() at db_command_loop+0x2f4
pc = 0xc09416f4 lr = 0xc0941450 (db_command_loop+0x50)
sp = 0xde472908 fp = 0xde472918
r4 = 0xc0d7bae3 r5 = 0xc0d98378
r6 = 0xc0ebbdb8 r7 = 0xde472b48
r8 = 0xde472b48 r9 = 0xc0eb0614
r10 = 0xc0e5a0d0
db_command_loop() at db_command_loop+0x50
pc = 0xc0941450 lr = 0xc0943e68 (X_db_symbol_values+0x254)
sp = 0xde472920 fp = 0xde472a40
r4 = 0x00000000 r5 = 0xde472928
r6 = 0xc0eb0638
X_db_symbol_values() at X_db_symbol_values+0x254
pc = 0xc0943e68 lr = 0xc0adf580 (kdb_trap+0xd4)
sp = 0xde472a48 fp = 0xde472a68
r4 = 0x00000000 r5 = 0x00000001
r6 = 0xc0eb0638 r7 = 0xde472b48
kdb_trap() at kdb_trap+0xd4
pc = 0xc0adf580 lr = 0xc0d38810 (data_abort_handler+0x640)
sp = 0xde472a70 fp = 0xde472a88
r4 = 0xde472b48 r5 = 0x600000d3
r6 = 0xde472bc4 r7 = 0x00000001
r8 = 0xde472b48 r9 = 0xde472bc4
r10 = 0x00000001
data_abort_handler() at data_abort_handler+0x640
pc = 0xc0d38810 lr = 0xc0d39208 (swi_handler+0x548)
sp = 0xde472a90 fp = 0xde472a98
r4 = 0x00000001 r5 = 0xc3598c80
r6 = 0xc3598c80 r7 = 0xc0d39194
swi_handler() at swi_handler+0x548
pc = 0xc0d39208 lr = 0xc0d3854c (data_abort_handler+0x37c)
sp = 0xde472aa0 fp = 0xde472b40
data_abort_handler() at data_abort_handler+0x37c
pc = 0xc0d3854c lr = 0xc0d29924 (exception_exit)
sp = 0xde472b48 fp = 0xde472bb4
r4 = 0xffffffff r5 = 0xffff1004
r6 = 0xc3598c80 r7 = 0xc0e7c830
r8 = 0x798ee230 r9 = 0x00000015
r10 = 0x00000001
exception_exit() at exception_exit
pc = 0xc0d29924 lr = 0xc0d44c6c (DELAY+0x764)
sp = 0xde472b94 fp = 0xde472bb4
r0 = 0x001e48e5 r1 = 0xffffffff
r2 = 0x0000001c r3 = 0x001e48e5
r4 = 0xde472bbc r5 = 0xde472bc4
r6 = 0xc3598c80 r7 = 0xc0e7c830
r8 = 0x798ee230 r9 = 0x00000015
r10 = 0x00000001 r12 = 0xc0d240e8
binuptime() at binuptime+0x74
pc = 0xc0ab8268 lr = 0xc0d503ec (cpu_initclocks_bsp+0x41c)
sp = 0xde472bbc fp = 0xde472bd4
r4 = 0x00000003 r5 = 0x00033940
r6 = 0xc3598c80 r7 = 0xc0d92761
r8 = 0xc0d9273a r9 = 0x00000000
r10 = 0xc3586ac0
cpu_initclocks_bsp() at cpu_initclocks_bsp+0x41c
pc = 0xc0d503ec lr = 0xc0d44af8 (DELAY+0x5f0)
sp = 0xde472bdc fp = 0xde472be4
r4 = 0xc352d400 r5 = 0xde472c34
DELAY() at DELAY+0x5f0
pc = 0xc0d44af8 lr = 0xc0a82468 (intr_event_handle+0x88)
sp = 0xde472bec fp = 0xde472c14
r4 = 0xc341e400
intr_event_handle() at intr_event_handle+0x88
pc = 0xc0a82468 lr = 0xc0d2acac (arm_handler_execute+0x54)
sp = 0xde472c1c fp = 0xde472c2c
r4 = 0xde472c34 r5 = 0x00000001
r6 = 0xc0e97c40 r7 = 0xc0eb90d8
r8 = 0xc352c200 r9 = 0xc37a1000
r10 = 0xc37a1000
arm_handler_execute() at arm_handler_execute+0x54
pc = 0xc0d2acac lr = 0xc0d3e2dc (irq_entry+0x94)
sp = 0xde472c34 fp = 0xde472c90
r4 = 0x00000000 r5 = 0xffff1004
r6 = 0xc0ebbc50 r7 = 0x00004c5f
irq_entry() at irq_entry+0x94
pc = 0xc0d3e2dc lr = 0xc0d3e2dc (irq_entry+0x94)
sp = 0xde472c34 fp = 0xde472c90
Unwind failure (no registers changed)
db>
Usually this is the USB bit that follows the usbus0 line:
ugen0.1: <Marvell> at usbus0
uhub0: <Marvell EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus0
WARNING: DIAGNOSTIC option enabled, expect reduced performance.
uhub0: 1 port with 1 removable, self powered
Root mount waiting for: usbus0
ugen0.2: <vendor 0x1a40> at usbus0
uhub1: <vendor 0x1a40 USB 2.0 Hub, class 9/0, rev 2.00/1.11, addr 2> on
usbus0
Root mount waiting for: usbus0
uhub1: 4 ports with 4 removable, self powered
Root mount waiting for: usbus0
Root mount waiting for: usbus0
ugen0.3: <vendor 0x05e3> at usbus0
umass0: <vendor 0x05e3 USB Storage, class 0/0, rev 2.00/99.10, addr 3>
on usbus0
da0 at umass-sim0 bus 0 scbus2 target 0 lun 0
da0: <Generic STORAGE DEVICE 9910> Removable Direct Access SCSI-0 device
da0: 40.000MB/s transfers
da0: 1876MB (3842048 512 byte sectors: 255H 63S/T 239C)
da0: quirks=0x3<NO_SYNC_CACHE,NO_6_BYTE>
da1 at umass-sim0 bus 0 scbus2 target 0 lun 1
da1: <Generic STORAGE DEVICE 9910> Removable Direct Access SCSI-0 device
da1: 40.000MB/s transfers
da1: 974MB (1995264 512 byte sectors: 64H 32S/T 974C)
da1: quirks=0x3<NO_SYNC_CACHE,NO_6_BYTE>
Root mount waiting for: usbus0
ugen0.4: <USBest Technology> at usbus0
umass1: <USBest Technology USB Mass Storage Device, class 0/0, rev
2.00/1.00, a0
da2 at umass-sim1 bus 1 scbus3 target 0 lun 0
da2: <USB USB2FlashStorage 0.00> Removable Direct Access SCSI-2 device
da2: 40.000MB/s transfers
da2: 1967MB (4030463 512 byte sectors: 255H 63S/T 250C)
da2: quirks=0x2<NO_6_BYTE>
ugen0.5: <vendor 0x0d8c> at usbus0
Currently trying to find where the issue could be.
Mat
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