[#7223] BF561 SMP kernel crashes when reboot in latest trunk

Submitted By: Vivi Li

Open Date

2012-08-02 04:31:54 Close Date

2012-08-09 02:40:52

Priority:

Medium Assignee:

steven miao

Status:

Closed Fixed In Release:

N/A

Found In Release:

N/A Release:

Category:

N/A Board:

N/A

Processor:

BF561 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

gcc4.3-2012_Feb_15

App binary format:

N/A

Summary: BF561 SMP kernel crashes when reboot in latest trunk

Details:

BF561 SMP kernel crashes when reboot in latest trunk.

Bellow is the error log:

Linux version 3.5.0-ADI-2012R1-pre-00803-g8e41249 (test@uclinux65-561-SMP) (gcc version 4.3.5 (ADI-trunk/svn-5764) ) #660 SMP Tu2

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart0] enabled

early printk enabled on early_BFuart0

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x0014e328

rodata = 0x0014e340-0x00193ebc

bss = 0x00194000-0x001a5da4

data = 0x001a5dc0-0x001ba000

stack = 0x001b8000-0x001ba000

init = 0x001ba000-0x0075e000

available = 0x0075e000-0x03f00000

DMA Zone = 0x03f00000-0x04000000

Hardware Trace active and enabled

Boot Mode: 0

Compiled for ADSP-BF561 Rev 0.5

Blackfin Linux support by http://blackfin.uclinux.org/

Processor Speed: 600 MHz core clock and 100 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

External memory: cacheable in instruction cache

L2 SRAM : uncacheable in instruction cache

Data Cache Enabled for CPU0

External memory: cacheable (write-through) in data cache

L2 SRAM : uncacheable in data cache

PERCPU: Embedded 7 pages/cpu @007e3000 s5440 r8192 d15040 u32768

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 16002

Kernel command line: root=/dev/mtdblock0 rw clkin_hz=30000000 earlyprintk=serial,uart0,57600 console=ttyBF0,57600 ip=10.100.4.50f

PID hash table entries: 256 (order: -2, 1024 bytes)

Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)

Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)

Memory available: 56328k/65536k RAM, (5776k init code, 1332k kernel code, 432k data, 1024k dma, 644k reserved)

Hierarchical RCU implementation.

NR_IRQS:153

Configuring Blackfin Priority Driven Interrupts

start_kernel(): bug: interrupts were enabled early

console [ttyBF0] enabled, bootconsole disabled

Calibrating delay loop... 1185.79 BogoMIPS (lpj=2371584)

pid_max: default: 32768 minimum: 301

Mount-cache hash table entries: 512

Booting Core B.

Brought up 2 CPUs

Instruction Cache Enabled for CPU1

External memory: cacheable in instruction cache

L2 SRAM : uncacheable in instruction cache

Data Cache Enabled for CPU1

External memory: cacheable (write-through) in data cache

L2 SRAM : uncacheable in data cache

SMP: Total of 2 processors activated (2371.58 BogoMIPS).

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (16 KB free)

Blackfin L1 Data B SRAM: 16 KB (16 KB free)

Blackfin L1 Instruction SRAM: 16 KB (15 KB free)

Blackfin L2 SRAM: 128 KB (127 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

ezkit_init(): registering device resources

bio: create slab <bio-0> at 0

bfin-spi bfin-spi.0: master is unqueued, this is deprecated

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs@ffc00500, dma channel@16

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 2048 (order: 2, 16384 bytes)

TCP bind hash table entries: 2048 (order: 2, 16384 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP: reno registered

UDP hash table entries: 256 (order: 1, 8192 bytes)

UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)

NET: Registered protocol family 1

debug-mmrs: setting up Blackfin MMR debugfs

msgmni has been set to 110

io scheduler noop registered (default)

bfin-uart: Blackfin serial driver

bfin-uart.0: ttyBF0 at MMIO 0xffc00400 (irq = 35) is a BFIN-UART

brd: module loaded

physmap platform flash device: 00800000 at 20000000

physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank. Manufacturer ID 0x000020 Chip ID 0x0022ed

Amd/Fujitsu Extended Query Table at 0x0040

Amd/Fujitsu Extended Query version 1.3.

physmap-flash.0: Swapping erase regions for top-boot CFI table.

number of CFI chips: 1

Creating 5 MTD partitions on "physmap-flash.0":

0x000000000000-0x000000040000 : "bootloader(nor)"

0x000000040000-0x000000200000 : "linux kernel(nor)"

0x000000200000-0x0000007f0000 : "file system(nor)"

0x0000007f0000-0x0000007fe000 : "config(nor)"

0x0000007fe000-0x000000800000 : "u-boot env(nor)"

smc91x.c: v1.1, sep 22 2004 by Nicolas Pitre <nico@fluxnic.net>

eth0: SMC91C11xFD (rev 2) at 2c010300 IRQ 82 [nowait]

eth0: Ethernet addr: 00:e0:22:fe:ba:29

bfin_wdt: initialized: timeout=20 sec (nowayout=0)

TCP: cubic registered

NET: Registered protocol family 17

smc91x smc91x.0: eth0: link down

smc91x smc91x.0: eth0: link up, 100Mbps, full-duplex, lpa 0x41E1

IP-Config: Complete:

device=eth0, addr=10.100.4.50, mask=255.255.255.0, gw=10.100.4.174

host=bf561-ezkit, domain=, nis-domain=(none)

bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=

dma_alloc_init: dma_page @ 0x02828000 - 256 pages at 0x03f00000ýFreeing unused kernel memory: 5776k freed

_____________________________________

a8888b. / Welcome to the uClinux distribution \

d888888b. / _ _ \

8P"YP"Y88 / | | |_| __ __ (TM) |

8|o||o|88 _____/ | | _ ____ _ _ \ \/ / |

8' .88 \ | | | | _ \| | | | \ / |

8`._.' Y8. \ | |__ | | | | | |_| | / \ |

d/ `8b. \ \____||_|_| |_|\____|/_/\_\ |

dP . Y8b. \ For embedded processors including |

d8:' " `::88b \ the Analog Devices Blackfin /

d8" 'Y88b \___________________________________/

:8P ' :888

8a. : _a88P For further information, check out:

._/"Yaa_: .| 88P| - http://blackfin.uclinux.org/

\ YP" `| 8P `. - http://docs.blackfin.uclinux.org/

/ \.___.d| .' - http://www.uclinux.org/

`--..__)8888P`._.' jgs/a:f - https://www.analog.com/blackfin

Have a lot of fun...

BusyBox v1.18.4 (2012-07-31 18:16:10 GMT) hush - the humble shell

root:/> ls

bin etc init mnt root sys usr

dev home lib proc sbin tmp var

root:/> reboot

Restarting system.

------------[ cut here ]------------

WARNING: at kernel/smp.c:461

Modules linked in:

ADSP-BF561-0.5 600(MHz CCLK) 100(MHz SCLK) (mpu off)

Linux version 3.5.0-ADI-2012R1-pre-00803-g8e41249 (test@uclinux65-561-SMP) (gcc version 4.3.5 (ADI-trunk/svn-5764) ) #660 SMP Tu2

SEQUENCER STATUS: Not tainted

SEQSTAT: 0000c021 IPEND: 8008 IMASK: 001f SYSCFG: 0006

Peripheral interrupts masked off

Kernel interrupts masked off

EXCAUSE : 0x21

Double Fault

Kernel OOPS in progress

Deferred Exception context

CURRENT PROCESS:

COMM=reboot PID=190 CPU=1

TEXT = 0x02938040-0x0293c8c0 DATA = 0x0293c8e0-0x0293d334

BSS = 0x0293d334-0x0293d630 USER-STACK = 0x0293ef80

return address: [0x00043522]; contents of:

0x00043500: 1ff2 0c06 1ffa 9a21 2ff9 0000 04c3 e14c

0x00043510: 0000 014f e10c 0000 3018 3239 3402 0c44

0x00043520: 1003 [0001] 2000 e14a 0000 e10a 0000 9153

0x00043530: 6002 304b 5211 0e08 180a 4e08 5010 3208

ADSP-BF561-0.5 600(MHz CCLK) 100(MHz SCLK) (mpu off)

Linux version 3.5.0-ADI-2012R1-pre-00803-g8e41249 (test@uclinux65-561-SMP) (gcc version 4.3.5 (ADI-trunk/svn-5764) ) #660 SMP Tu2

SEQUENCER STATUS: Not tainted

SEQSTAT: 00060021 IPEND: 8028 IMASK: 001f SYSCFG: 0006

Peripheral interrupts masked off

Kernel interrupts masked off

EXCAUSE : 0x21

INFO: rcu_sched detected stalls on CPUs/tasks: { 1} (detected by 0, t=15002 jiffies)

INFO: Stall ended before state dump start

Follow-ups

--- steven miao 2012-08-03 02:21:15

should not disable irq in machine_restart

--- Vivi Li 2012-08-09 03:39:45

OK now. Close it.

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[#7223] BF561 SMP kernel crashes when reboot in latest trunk