FAQ:[#5961] It takes longer time to exit from fdisk during gadget storage test(2010)

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[#5961] It takes longer time to exit from fdisk during gadget storage test

Submitted By: Vivi Li

Open Date

2010-03-11 05:57:32     Close Date

2010-11-18 03:52:50


Medium     Assignee:

Cliff Cai


Closed     Fixed In Release:


Found In Release:

2010R1     Release:


Drivers     Board:



BF527     Silicon Revision:

Is this bug repeatable?:

Yes     Resolution:


Uboot version or rev.:

    Toolchain version or rev.:


App binary format:


Summary: It takes longer time to exit from fdisk during gadget storage test



It takes a long time to exit from fdisk during gadget storage test on bf527/bf548.


Bellow is the log for gadget ram storage test on bf527 with dma mode.


Linux version 2.6.33-ADI-2010R1-pre-svn8441 (test@uclinux62-548-usbdev) (gcc version 4.3.4 (ADI-trunk/svn-3815) ) #16 Thu Mar 11 08:14:24 CST 2010

register early platform devices

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart1] enabled

early printk enabled on early_BFuart1

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

  fixedcode = 0x00000400-0x00000490

  text      = 0x00001000-0x0019e450

  rodata    = 0x0019e450-0x002358ec

  bss       = 0x00236000-0x0024a01c

  data      = 0x0024a01c-0x00266000

    stack   = 0x00264000-0x00266000

  init      = 0x00266000-0x0099b000

  available = 0x0099b000-0x03e00000

  DMA Zone  = 0x03e00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 1

Reset caused by Software reset

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

Compiled for ADSP-BF548 Rev 0.2

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

Processor Speed: 525 MHz core clock and 131 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

Built 1 zonelists in Zone order, mobility grouping off.  Total pages: 15748

Kernel command line: root=/dev/mtdblock0 rw ip= earlyprintk=serial,uart1,57600 console=ttyBF1,57600 ip=

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: 53084k/65536k RAM, (7380k init code, 1653k kernel code, 799k data, 2048k dma, 572k reserved)

Hierarchical RCU implementation.


Configuring Blackfin Priority Driven Interrupts

console [ttyBF1] enabled, bootconsole disabled

console [ttyBF1] enabled, bootconsole disabled

Calibrating delay loop... 1046.52 BogoMIPS (lpj=2093056)

Mount-cache hash table entries: 512

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: 48 KB (42 KB free)

Blackfin L2 SRAM: 128 KB (128 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

ezkit_init(): registering device resources

bio: create slab <bio-0> at 0

SCSI subsystem initialized

usbcore: registered new interface driver usbfs

usbcore: registered new interface driver hub

usbcore: registered new device driver usb

Advanced Linux Sound Architecture Driver Version 1.0.21.

Switching to clocksource jiffies

musb_hdrc: version 6.0, musb-dma, peripheral, debug=0

musb_hdrc: USB Peripheral mode controller at ffc03c00 using DMA, IRQ 82

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

UDP hash table entries: 256 (order: 0, 4096 bytes)

UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)

NET: Registered protocol family 1

Slow work thread pool: Starting up

Slow work thread pool: Ready

msgmni has been set to 103

io scheduler noop registered (default)

bf54x-lq043: FrameBuffer initializing...

dma_alloc_init: dma_page @ 0x029bb000 - 512 pages at 0x03e00000

bfin-otp: initialized

bfin-uart: Blackfin serial driver

bfin-uart.1: ttyBF1 at MMIO 0xffc02000 (irq = 48) is a BFIN-UART

brd: module loaded

register bfin atapi driver

scsi0 : pata-bf54x

ata1: PATA max UDMA/66 irq 68

physmap platform flash device: 02000000 at 20000000

physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank

Intel/Sharp Extended Query Table at 0x010A

Intel/Sharp Extended Query Table at 0x010A

Intel/Sharp Extended Query Table at 0x010A

Intel/Sharp Extended Query Table at 0x010A

Intel/Sharp Extended Query Table at 0x010A

Using buffer write method

Using auto-unlock on power-up/resume

cfi_cmdset_0001: Erase suspend on write enabled

RedBoot partition parsing not available

Using physmap partition information

Creating 3 MTD partitions on "physmap-flash.0":

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

0x000000040000-0x000000440000 : "linux kernel(nor)"

0x000000440000-0x000001000000 : "file system(nor)"

BF5xx on-chip NAND FLash Controller Driver, Version 1.2 (c) 2007 Analog Devices, Inc.

bf5xx-nand bf5xx-nand.0: page_size=256, data_width=8, wr_dly=3, rd_dly=3

NAND device: Manufacturer ID: 0x20, Chip ID: 0xda (ST Micro NAND 256MiB 3,3V 8-bit)

Creating 2 MTD partitions on "NAND 256MiB 3,3V 8-bit":

0x000000000000-0x000000400000 : "linux kernel(nand)"

0x000000400000-0x000010000000 : "file system(nand)"

m25p80 spi0.1: m25p16 (2048 Kbytes)

Creating 2 MTD partitions on "m25p80":

0x000000000000-0x000000040000 : "bootloader(spi)"

ata1.00: ATA-7: FUJITSU MHW2040AT, 0000000B, max UDMA/100

ata1.00: 78140160 sectors, multi 16: LBA

0x000000040000-0x000000200000 : "linux kernel(spi)"

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc00500, dma channel@4

bfin-spi bfin-spi.1: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc02300, dma channel@5

ata1.00: configured for UDMA/66

blk_queue_max_hw_segments: set to minimum 1

scsi 0:0:0:0: Direct-Access     ATA      FUJITSU MHW2040A 0000 PQ: 0 ANSI: 5

smsc911x: Driver version 2008-10-21.

sd 0:0:0:0: [sda] 78140160 512-byte logical blocks: (40.0 GB/37.2 GiB)

smsc911x-mdio: probed

eth0: attached PHY driver [Generic PHY] (mii_bus:phy_addr=0:01, irq=-1)

net eth0: MAC Address: 00:e0:22:fe:bd:09

sd 0:0:0:0: [sda] Write Protect is off

sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.


input: bf54x-keys as /devices/platform/bf54x-keys/input/input0

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

i2c /dev entries driver

i2c-bfin-twi i2c-bfin-twi.0: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc00700

i2c-bfin-twi i2c-bfin-twi.1: Blackfin BF5xx on-chip I2C TWI Contoller, regs_base@ffc02200

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

bfin-sdh bfin-sdh.0: unable to request DMA channel

bfin-sdh: probe of bfin-sdh.0 failed with error -16

usbcore: registered new interface driver usbhid

usbhid: USB HID core driver

dma rx:0 tx:1, err irq:10, regs:ffc00800

ALSA device list:

  No soundcards found.

TCP cubic registered

NET: Registered protocol family 17

rtc-bfin rtc-bfin: setting system clock to 2005-04-06 13:50:43 UTC (1112795443)


sd 0:0:0:0: [sda] Attached SCSI disk

net eth0: SMSC911x/921x identified at 0x24000000, IRQ: 175

IP-Config: Complete:

     device=eth0, addr=, mask=, gw=,

     host=bf548-ezkit, domain=, nis-domain=(none),

     bootserver=, rootserver=, rootpath=

Freeing unused kernel memory: 7380k 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    - http://www.analog.com/blackfin


Have a lot of fun...



BusyBox v1.15.3 (2010-03-11 06:21:29 CST) hush - the humble shell


root:/> version

kernel:    Linux release 2.6.33-ADI-2010R1-pre-svn8441, build #16 Thu Mar 11 08:14:24 CST 2010

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

user-dist: release svn-9492, build #14 Thu Mar 11 08:12:22 CST 2010

root:/> ifconfig eth0


root:/> dd if=/dev/zero of=fsg.block bs=1M count=16

16+0 records in

16+0 records out

root:/> modprobe g_file_storage file=/fsg.block stall=0

g_file_storage gadget: File-backed Storage Gadget, version: 20 November 2008

g_file_storage gadget: Number of LUNs=1

g_file_storage gadget-lun0: ro=0, file: /fsg.block

root:/> g_file_storage gadget: high speed config #1


Module                  Size  Used by

g_file_storage         18799  0




spawn /bin/bash

su -

test@uclinux62-548-usbdev:..testsuites/usbdev> su -


uclinux62-548-usbdev:/root # mkdir -p /mnt/usb

uclinux62-548-usbdev:/root # ls /dev/sdc


uclinux62-548-usbdev:/root # time fdisk /dev/sdc

Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel

Building a new DOS disklabel with disk identifier 0x32b85a4e.

Changes will remain in memory only, until you decide to write them.

After that, of course, the previous content won't be recoverable.


Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)


Command (m for help): n

Command action

   e   extended

   p   primary partition (1-4)


Partition number (1-4): 1

First cylinder (2-1024, default 2):

Using default value 2

Last cylinder or +size or +sizeM or +sizeK (2-1024, default 1024):

Using default value 1024


Command (m for help): w

The partition table has been altered!


Calling ioctl() to re-read partition table.

Syncing disks.



real    1m12.163s

user    0m0.000s

sys     0m0.176s

uclinux62-548-usbdev:/root #





--- Cliff Cai                                                2010-06-10 03:13:43

it's OK now.


--- Vivi Li                                                  2010-06-23 23:35:57

For 09r1.1 release, fdisk in gadget storage ram test takes less than 30s.

Now it takes around 60s.


--- Vivi Li                                                  2010-11-18 03:52:50

OK now. So close it.












File Name     File Type     File Size     Posted By

config.usbdev.dma    application/octet-stream    47400    Vivi Li