[#4242] In bf527-ezkit, it gets under run error with a particular audio play command

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[#4242] In bf527-ezkit, it gets under run error with a particular audio play command

Submitted By: Vivi Li

Open Date

2008-07-15 04:16:25     Close Date

2008-07-29 03:46:30

Priority:

Medium     Assignee:

Cliff Cai

Status:

Closed     Fixed In Release:

N/A

Found In Release:

N/A     Release:

Category:

N/A     Board:

N/A

Processor:

N/A     Silicon Revision:

Is this bug repeatable?:

Yes     Resolution:

Fixed

Uboot version or rev.:

    Toolchain version or rev.:

08r1.5-13

App binary format:

N/A     

Summary: In bf527-ezkit, it gets under run error with a particular audio play command

Details:

 

In bf527-ezkit branch, it often gets under run error when run command "arecord -t wav -c 1 -f U8 -r 8000 -d 5 |aplay", then kernel will reboot automatically.

 

--

Linux version 2.6.22.19-ADI-2008R1.5-svn4960 (test@uclinux45-toochain34) (gcc version 4.1.2 (ADI sv8

early printk enabled on early_BFuart0

Hardware Trace Active and Enabled

Blackfin support (C) 2004-2007 Analog Devices, Inc.

Compiled for ADSP-BF527 Rev 0.0

Warning: Unsupported Chip Revision ADSP-BF527 Rev 0.0 detected

Blackfin Linux support by   blackfin.uclinux.org/

Processor Speed: 525 MHz core clock and 131 MHz System Clock

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

  text      = 0x00001000-0x00122070

  rodata    = 0x00123000-0x00177ae4

  data      = 0x00178000-0x0018a000

    stack   = 0x00178000-0x0017a000

  init      = 0x0018a000-0x004bc000

  bss       = 0x004bc000-0x004cb970

  available = 0x004cb970-0x03eff000

  DMA Zone  = 0x03f00000-0x04000000

Instruction Cache Enabled

Data Cache Enabled (write-through)

Built 1 zonelists.  Total pages: 16002

Kernel command line: root=/dev/mtdblock0 rw earlyprintk=serial,uart1,57600 console=tty0 console=ttyf

Configuring Blackfin Priority Driven Interrupts

PID hash table entries: 256 (order: 8, 1024 bytes)

console handover: boot [early_BFuart0] -> real [ttyBF0]

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

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

Memory available: 59020k/65536k RAM, (3272k init code, 1156k kernel code, 478k data, 1024k dma, 584)

Blackfin Scratchpad data SRAM: 4 KB

Blackfin Data A SRAM: 16 KB (15 KB free)

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

Blackfin Instruction SRAM: 48 KB (42 KB free)

Security Framework v1.0.0 initialized

Mount-cache hash table entries: 512

NET: Registered protocol family 16

Blackfin GPIO Controller

Blackfin DMA Controller

stamp_init(): registering device resources

Generic PHY: Registered new driver

SCSI subsystem initialized

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: 1, 8192 bytes)

TCP: Hash tables configured (established 2048 bind 2048)

TCP reno registered

io scheduler noop registered

io scheduler anticipatory registered (default)

io scheduler cfq registered

bfin-t350mcqb: 320x240 24-bit RGB FrameBuffer initializing...

dma_alloc_init: dma_page @ 0x03aec000 - 256 pages at 0x03f00000

bfin-otp: initialized

bfin-wdt: initialized: timeout=20 sec (nowayout=0)

Serial: Blackfin serial driver

bfin-uart.1: ttyBF0 at MMIO 0xffc02000 (irq = 31) is a BFIN-UART

RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize

bfin_mac_mdio: probed

bfin_mac: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_d)

bfin_mac: Version 1.1, Blackfin BF53[67] BF527 on-chip Ethernet MAC driver

bfin-spi bfin-spi.0: Blackfin BF5xx on-chip SPI Contoller Driver, Version 1.0, regs_base@ffc00500, 7

rtc-bfin rtc-bfin: rtc core: registered rtc-bfin as rtc0

i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller Driver, Version 1.8, regs_bas0

Advanced Linux Sound Architecture Driver Version 1.0.12rc1 (Thu Jun 22 13:55:50 2006 UTC).

ASoC version 0.13.1

dma rx:3 tx:4, err irq:15, regs:ffc00800

ssm2602 Audio Codec 0.1<6>asoc: SSM2602 <-> bf5xx-i2s-0 mapping ok

ALSA device list:

  #0: bf5xx_ssm2602 (SSM2602)

TCP cubic registered

NET: Registered protocol family 1

NET: Registered protocol family 17

rtc-bfin rtc-bfin: setting the system clock to 1970-09-14 00:22:12 (22119732)

IP-Config: Complete:

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

     host=bf527-ezkit, domain=, nis-domain=(none),

     bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=

Freeing unused kernel memory: 3272k 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|            -   blackfin.uclinux.org/

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

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

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

 

Have a lot of fun...

 

 

BusyBox v1.4.1 (2008-07-15 11:49:51 CST) Built-in shell (msh)

Enter 'help' for a list of built-in commands.

 

root:/> PHY: 0:01 - Link is Up - 100/Full

arecord -t wav -c 1 -f U8 -r 8000 -d 5 |aplay

Recording WAVE 'stdin' : Unsigned 8 bit, Rate 8000 Hz, Mono

Playing WAVE 'stdin' : Unsigned 8 bit, Rate 8000 Hz, Mono

root:/>

root:/>

root:/>

root:/> arecord -t wav -c 1 -f U8 -r 8000 -d 5 |aplay

Recording WAVE 'stdin' : Unsigned 8 bit, Rate 8000 Hz, Mono

Playing WAVE 'stdin' : Unsigned 8 bit, Rate 8000 Hz, Mono

underrun!!! (at least 0.206 ms long)

 

 

U-Boot 1.1.6-svn1267 (ADI-2008R1.5) (Jul 15 2008 - 15:05:09)

 

CPU:   ADSP bf527-0.0 (Detected Rev: 0.0)

Board: ADI BF527 EZ-Kit board

       Support:   blackfin.uclinux.org/

Clock: VCO: 525 MHz, Core: 525 MHz, System: 131 MHz

RAM:   64 MB

Flash:  4 MB

In:    serial

Out:   serial

Err:   serial

Net:   Blackfin EMAC

MAC:   00:E0:22:FE:B8:11

Hit any key to stop autoboot:  0

bfin>

--

 

Follow-ups

 

--- Cliff Cai                                                2008-07-22 02:06:04

Fix it now. Adjust dummy buffer size to avoid underrun.

 

--- Vivi Li                                                  2008-07-29 03:46:27

OK now. Close it. Thanks!

 

 

 

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    Duplicates

    Associations

    Tags

 

File Name     File Type     File Size     Posted By

config.audio_ssm2602    text/plain    28883    Vivi Li

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