FAQ: [#5983] BF561-EZKIT SMP kernel fail to boot up when preempt is enabled(2010)

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[#5983] BF561-EZKIT SMP kernel fail to boot up when preempt is enabled

Submitted By: Vivi Li

Open Date

2010-03-22 06:26:02     Close Date

2010-08-17 22:03:06

Priority:

Medium     Assignee:

Sonic Zhang

Status:

Closed     Fixed In Release:

N/A

Found In Release:

2010R1     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.:

gcc4.3-2010_Jan_22

App binary format:

N/A     

Summary: BF561-EZKIT SMP kernel fail to boot up when preempt is enabled

Details:

 

BF561-EZKIT SMP kernel fail to boot up when preempt is enabled.

 

Last passed version:

--

kernel:    Linux release 2.6.32.9-ADI-2010R1-pre-svn8361, build #24 SMP Thu Mar 4 00:02:27 GMT 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.4 (ADI-trunk/svn-3815)

user-dist: release svn-9476, build #280 Thu Mar 4 00:01:14 GMT 2010

--

 

First failed version:

--

kernel:    Linux release 2.6.33.1-ADI-2010R1-pre-svn8466, build #4 SMP Wed Mar 17 00:59:34 GMT 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.4 (ADI-trunk/svn-3815)

user-dist: release svn-9498, build #20 Wed Mar 17 00:58:20 GMT 2010

--

 

--

Linux version 2.6.33.1-ADI-2010R1-pre-svn8523 (test@uclinux65-561-SMP) (gcc version 4.3.4 (ADI-trunk/svn-3815) ) #20 SMP PREEMPT0

register early platform devices

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      = 0x00001000-0x00113dc0

  rodata    = 0x00113dc0-0x001685b0

  bss       = 0x00169000-0x0017aea0

  data      = 0x0017aea0-0x0018c000

    stack   = 0x0018a000-0x0018c000

  init      = 0x0018c000-0x0029e000

  available = 0x0029e000-0x03f00000

  DMA Zone  = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 0

Blackfin support (C) 2004-2009 Analog Devices, Inc.

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

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 6 pages/cpu @00323000 s3712 r8192 d12672 u65536

pcpu-alloc: s3712 r8192 d12672 u65536 alloc=16*4096

pcpu-alloc: [0] 0 [0] 1

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: 61204k/65536k RAM, (1096k init code, 1099k kernel code, 481k data, 1024k dma, 632k reserved)

Hierarchical RCU implementation.

NR_IRQS:153

Configuring Blackfin Priority Driven Interrupts

console [ttyBF0] enabled, bootconsole disabled

console [ttyBF0] enabled, bootconsole disabled

Calibrating delay loop... 1183.74 BogoMIPS (lpj=2367488)

Mount-cache hash table entries: 512

CoreB bootstrap code to SRAM ff600000 via DMA.

Booting Core B.

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

Brought up 2 CPUs

SMP: Total of 2 processors activated (4.09 BogoMIPS).

Blackfin Scratchpad data SRAM: 4 KB

Blackfin Scratchpad data SRAM: 4 KB

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

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

Blackfin L1 Data B 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 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

Switching to clocksource jiffies

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: 128 (order: 0, 4096 bytes)

UDP-Lite hash table entries: 128 (order: 0, 4096 bytes)

NET: Registered protocol family 1

msgmni has been set to 119

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

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

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

eth0: SMC91C11xFD (rev 1) at 2c010300 IRQ 82 [nowait]

eth0: Ethernet addr: 00:e0:22:fe:b1:3c

TCP cubic registered

NET: Registered protocol family 17

eth0: link down

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=

Freeing unused kernel memory: 1096k freed

dma_alloc_init: dma_page @ 0x022ea000 - 256 pages at 0x03f00000

BUG: using smp_processor_id() in preemptible [00000000] code: init/1

caller is _smp_call_function+0x22/0x138

Hardware Trace:

   0 Target : <0x00111d78> { _dump_stack + 0x0 }

     Source : <0x000a0dc8> { _debug_smp_processor_id + 0xd0 } CALL pcrel

   1 Target : <0x000a0dc8> { _debug_smp_processor_id + 0xd0 }

     Source : <0x00038dc8> { ___print_symbol + 0x28 } RTS

   2 Target : <0x00038dbe> { ___print_symbol + 0x1e }

     Source : <0x00111f28> { _printk + 0x14 } RTS

   3 Target : <0x00111f24> { _printk + 0x10 }

     Source : <0x00019a40> { _vprintk + 0x1b4 } RTS

   4 Target : <0x00019a30> { _vprintk + 0x1a4 }

     Source : <0x0000c6ca> { ___raw_atomic_test_asm + 0x1a } RTS

   5 Target : <0x0000c6b0> { ___raw_atomic_test_asm + 0x0 }

     Source : <0x0000c80a> { ___raw_bit_test_asm + 0x6 } JUMP.S

   6 Target : <0x0000c804> { ___raw_bit_test_asm + 0x0 }

     Source : <0x00019a2c> { _vprintk + 0x1a0 } JUMP.L

   7 Target : <0x00019a22> { _vprintk + 0x196 }

     Source : <0x000137aa> { _sub_preempt_count + 0x26 } RTS

   8 Target : <0x00013798> { _sub_preempt_count + 0x14 }

     Source : <0x000137c6> { _sub_preempt_count + 0x42 } IF !CC JUMP pcrel (BP)

   9 Target : <0x000137ac> { _sub_preempt_count + 0x28 }

     Source : <0x00013796> { _sub_preempt_count + 0x12 } IF CC JUMP pcrel

  10 Target : <0x00013784> { _sub_preempt_count + 0x0 }

     Source : <0x00019a1e> { _vprintk + 0x192 } JUMP.L

  11 Target : <0x00019a1c> { _vprintk + 0x190 }

     Source : <0x0000b10e> { __common_int_entry + 0xea } RTI

  12 Target : <0x0000b09c> { __common_int_entry + 0x78 }

     Source : <0x0000aeb8> { _return_from_int + 0x58 } RTS

  13 Target : <0x0000aeb8> { _return_from_int + 0x58 }

     Source : <0x0000ae8e> { _return_from_int + 0x2e } IF !CC JUMP pcrel

  14 Target : <0x0000ae60> { _return_from_int + 0x0 }

     Source : <0x0000b098> { __common_int_entry + 0x74 } JUMP.L

  15 Target : <0x0000b096> { __common_int_entry + 0x72 }

     Source : <0x00004a4c> { _asm_do_IRQ + 0x88 } RTS

Stack info:

SP: [0x0202bc9c] <0x0202bc9c> /* kernel dynamic memory */

Memory from 0x0202bc90 to 0202c000

0202bc90: 00000001  0202bc9c  00019000 [000a0d84] 000a0dcc  022d9200  0202a000  02009fb0

0202bcb0: 00000000  02028da8  00000001  0000beda  02320000  02339000  02320000  00000005

0202bcd0: 00000077  00000000  0004b506  0000c4ba  00000003  022f9400  0000c010  022d9200

0202bcf0: 023045f4  00000000  02320000  02339000  02320000  00019000  0000bc14  0016f260

0202bd10: 00000000  0004ba90  00113a8e  022f9400  00019000  00000004  00000002  00000000

0202bd30: 0202bd38  022d9200  00000004  00000355  0007b8c6  022d9200  00000000  000054c0

0202bd50: 0202a000  00018b3b  000054c0  00000d98  00000000  001881c0  00000000  00000007

0202bd70: 00000002  00000000  00000000  00000000  00000000  00001067  00000000  00000000

0202bd90: 00000000  00000d98  00011878  00000001

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

00000000  00000000  00000000  00000000

0202bdb0: 00000000  00000d54  00000004  00018b3b  00019000  00000000  00000000  00000000

0202bdd0: 00000000  0202be30  0007c102  022d9200  00000000  00182fdc  022d9200  fffffff8

0202bdf0: 0202a008  0202becc  01000000  0202be0c  00000000  0202be2c  0202be28  00000000

0202be10: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00001067

0202be30: 0007c0b0 <00054cee> 0202a000  00000000  00182fdc  022d9200  fffffff8  0202a008

0202be50: 00182bd0  0202bfa8  0202becc  0017b854  022d9202  00000000  00000000  0202bfa8

0202be70: 00055b00  0202a000  0017b8e4  001a1fc0  00000000  022d9200  0013b680  00000000

0202be90: 00000000  0202becc  0202bedc  00000000  0000abf8  0017b8e4  00169018  00000002

0202beb0: 00000003  0000001f  00000000  00000000  00000028  0011d288  0202becc  00000000

0202bed0: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

0202bef0: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

0202bf10: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

0202bf30: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

0202bf50: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

0202bf70: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  00000000

0202bf90: 00000000  00000000  00000000  00000000  00000000  00000000  00000000  0000130e

0202bfb0: 0017b8e0  00142c54  00000448  0018c37a  00174428  0017b8e0  00000000  00000002

0202bfd0: 00000003 <00001666> 00000000  00000000  00000000  00000000  00000000  00000000

0202bff0: 00000000  00000000  ffffffff  00000006

Return addresses in stack:

    address : <0x00054cee> { _search_binary_handler + 0x106 }

    address : <0x00001666> { _kernel_thread_helper + 0x6 }

--

 

Follow-ups

 

--- Sonic Zhang                                              2010-06-25 01:53:04

Fixed by disable preemption when call smp_processor_id().

 

--- Vivi Li                                                  2010-08-17 22:03:06

OK, close it.

 

 

 

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File Name     File Type     File Size     Posted By

config.ltp_high_res_timer_preempt    application/octet-stream    26745    Vivi Li

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