[#4705] creat mtd partition would have warning dumped

Submitted By: Mingquan Pan

Open Date

2008-12-08 23:05:28 Close Date

2009-01-08 05:56:30

Priority:

Medium Assignee:

Bryan Wu

Status:

Closed Fixed In Release:

N/A

Found In Release:

N/A Release:

Category:

N/A Board:

N/A

Processor:

BF537 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Fixed

Uboot version or rev.:

Toolchain version or rev.:

Nov 11

App binary format:

N/A

Summary: creat mtd partition would have warning dumped

Details:

creat mtd partition would have warning dumped from about Dec 6 on bf537 stamp board(also bf533 and bf527 board).

U-Boot 1.1.6-svn1273 (ADI-2008R1.5) (Jul 21 2008 - 00:33:04)

CPU: ADSP bf537-0.2 (Detected Rev: 0.2)

Board: ADI BF537 stamp board

Support: blackfin.uclinux.org/

Clock: VCO: 500 MHz, Core: 500 MHz, System: 100 MHz

RAM: 64 MB

Flash: 4 MB

In: serial

Out: serial

Err: serial

Net: Blackfin EMAC

MAC: 00:E0:22:FE:47:E0

Hit any key to stop autoboot: 0

bfin> bootm 0x20040000

## Booting image at 20040000 ...

Image Name: Linux-2.6.28-rc2-ADI-2009R1-pre-

Created: 2008-12-08 14:20:53 UTC

Image Type: Blackfin Linux Kernel Image (gzip compressed)

Data Size: 917432 Bytes = 895.9 kB

Load Address: 00001000

Entry Point: 001938b0

Verifying Checksum ... OK

Uncompressing Kernel Image ... OK

Starting Kernel at = 1938b0

Linux version 2.6.28-rc2-ADI-2009R1-pre-svn5834 (test@uclinux52-ad73311-lcd) (gcc version 4.1.2 (ADI svn)) #4 Mon Dec 8 22:20:47 CST 2008

console [early_BFuart0] enabled

early printk enabled on early_BFuart0

Warning: limiting memory to 56MB due to hardware anomaly 05000263

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x00116910

rodata = 0x00116910-0x001682d0

bss = 0x001682d0-0x0017842c

data = 0x0017842c-0x00188000

stack = 0x00186000-0x00188000

init = 0x00188000-0x001a3000

available = 0x001a3000-0x037ff000

DMA Zone = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Reset caused by Software reset

Compiled for ADSP-BF537 Rev 0.2

Blackfin Linux support by blackfin.uclinux.org/

Processor Speed: 500 MHz core clock and 100 MHz System Clock

NOMPU: setting up cplb tables for global access

Instruction Cache Enabled for CPU0

Data Cache Enabled for CPU0 (write-through)

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 14223

Kernel command line: root=/dev/mtdblock2 rw rootfstype=jffs2 earlyprintk=serial,uart0,57600

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: 55084k/65536k RAM, (108k init code, 1110k kernel code, 454k data, 1024k dma, 7756k reserved)

Calibrating delay loop... 997.37 BogoMIPS (lpj=1994752)

Security Framework initialized

Mount-cache hash table entries: 512

Blackfin Scratchpad data SRAM: 4 KB

Blackfin L1 Data A SRAM: 16 KB (15 KB free)

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

Blackfin L1 Instruction SRAM: 48 KB (41 KB free)

PDA for CPU0 reserved at 00168ed0

net_namespace: 288 bytes

NET: Registered protocol family 16

Blackfin GPIO Controller

Blackfin DMA Controller

stamp_init(): registering device resources

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

NET: Registered protocol family 1

JFFS2 version 2.2. (NAND) 漏 2001-2006 Red Hat, Inc.

msgmni has been set to 107

io scheduler noop registered

io scheduler anticipatory registered (default)

io scheduler cfq registered

Serial: Blackfin serial driver

bfin-uart.1: ttyBF0 at MMIO 0xffc00400 (irq = 18) is a BFIN-UART

brd: module loaded

bfin_mac_mdio: probed

bfin_mac: attached PHY driver [SMSC LAN83C185] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=19)@sclk=100MHz)

bfin_mac bfin_mac.0: Blackfin on-chip Ethernet MAC driver, Version 1.1

physmap platform flash device: 00400000 at 20000000

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

Amd/Fujitsu Extended Query Table at 0x0040

number of CFI chips: 1

cfi_cmdset_0002: Disabling erase-suspend-program due to code brokenness.

RedBoot partition parsing not available

Using physmap partition information

Creating 4 MTD partitions on "physmap-flash.0":

0x00000000-0x00040000 : "bootloader(nor)"

0x00040000-0x00120000 : "linux kernel(nor)"

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

WARNING: at mm/backing-dev.c:179 _bdi_register+0x98/0x9c()

Modules linked in:

Hardware Trace:

0 Target : <0x0000485c> { _dump_stack + 0x0 }

Source : <0x0000e8d0> { _warn_on_slowpath + 0x44 } CALL pcrel

1 Target : <0x0000e8d0> { _warn_on_slowpath + 0x44 }

Source : <0x000295fe> { _print_modules + 0x7a } RTS

2 Target : <0x000295f8> { _print_modules + 0x74 }

Source : <0x0000f01e> { _printk + 0x16 } RTS

3 Target : <0x0000f01a> { _printk + 0x12 }

Source : <0x0000f844> { _vprintk + 0x130 } RTS

4 Target : <0x0000f824> { _vprintk + 0x110 }

Source : <0x0000f968> { _vprintk + 0x254 } JUMP.S

5 Target : <0x0000f968> { _vprintk + 0x254 }

Source : <0x0000ee8e> { _wake_up_klogd + 0x1a } RTS

6 Target : <0x0000ee8e> { _wake_up_klogd + 0x1a }

Source : <0x0000ee80> { _wake_up_klogd + 0xc } IF !CC JUMP

7 Target : <0x0000ee74> { _wake_up_klogd + 0x0 }

Source : <0x0000f2a4> { _release_console_sem + 0x1ac } JUMP.L

8 Target : <0x0000f29c> { _release_console_sem + 0x1a4 }

Source : <0x0000f290> { _release_console_sem + 0x198 } IF !CC JUMP

9 Target : <0x0000f28c> { _release_console_sem + 0x194 }

Source : <0x0000f27e> { _release_console_sem + 0x186 } IF !CC JUMP

10 Target : <0x0000f278> { _release_console_sem + 0x180 }

Source : <0x00022178> { _up + 0x3c } RTS

11 Target : <0x00022172> { _up + 0x36 }

Source : <0x00022164> { _up + 0x28 } IF !CC JUMP

12 Target : <0x0002213c> { _up + 0x0 }

Source : <0x0000f274> { _release_console_sem + 0x17c } CALL pcrel

13 Target : <0x0000f260> { _release_console_sem + 0x168 }

Source : <0x0000f14a> { _release_console_sem + 0x52 } IF !CC JUMP

14 Target : <0x0000f11a> { _release_console_sem + 0x22 }

Source : <0x0000f242> { _release_console_sem + 0x14a } IF !CC JUMP

15 Target : <0x0000f23c> { _release_console_sem + 0x144 }

Source : <0x0000edde> { __call_console_drivers + 0x7e } RTS

Stack info:

SP: [0x0023fb94] <0x0023fb94> /* kernel dynamic memory */

FP: (0x0023fb90)

Memory from 0x0023fb90 to 00240000

0023fb90:(00000000)[0000e8d0]<0000e8d4> 0023fbb4 001494a0 0023fba8 001494a0 000000b3

0023fbb0: 0023fbb4 6964625f 6765725f 65747369 78302b72 302f3839 00633978 00174660

0023fbd0: 0023fc38 00000000 00000002 00000000 00174660 <00115ac0> 0023fbec 0377ad20

0023fbf0:<0004ce82> 03750484 0023fc68 0018089c 037f5000 0006ff70 0377ad20 <0007042a>

0023fc10: 0375037c 03750484 <0004cefe> 037f5000 <000702d2> 0377ad20 <00115ac0> 03750484

0023fc30:<00070310> 0375037c 0017f5b4 0018089c 0377ad20 <0006fbb6> 0375037c 0017f5b4

0023fc50: 0018089c 0023fc68 00000000 0377aee8 <0009460e> 0377aee0 03750484 00000000

0023fc70: 00000000 00000001 <0006fc18> 0377ad20 <000883fa> 0017f5c8 03751a00 0018089c

0023fc90: 0377aee8 <00039d24> 0372d61c 00000c00 000e0000 0372d580 03751a00 0014fa84

0023fcb0:<0008b292> 0372d580 00000000 0372d688 <00039d4a> 0372d61c 00000000 00150390

0023fcd0:<0008e718> 0000001f 00000001 <0008e72c> 00000c00 000e0000 00000002 0008dd48

0023fcf0: 0008e104 03751a00 01f00001 <000b678e> 03751a00 0377ad24 <000b6de8> 03715ca0

0023fd10: 0018089c 00152a88 00000001 0023fd3c 03715ca0 <000b64c8> 0018089c 00000040

0023fd30: 0018086c 00000000 00000030 <00115ac0> 00000030 <000b4368> 0018085c 03715ca0

0023fd50: 00180718 00040000 00000001 00000004 <000b4f16><000b52ca> 03715ca0 03715ea0

0023fd70: 0017a5e4 <0000f01a> 00040000 00120000 00145580 0017a354 <000c1954> 037d6094

0023fd90: 037d60cc 037d6080 00000000 00000001 0017a570 00000000 00000000 0000001f

0023fdb0: 00000000 00000000 00000000 0017a3e8 0017a35c 037d6084 00000001 <000707e6>

0023fdd0: 00180b44 <000ae0d0> 0017a35c 00180b44 00175e34 0017a408 000000ac 00180b44

0023fdf0: 00000000 00000000 <0011408a><001140b2> 0017a270 <000ae228> 0017a35c 00180b44

0023fe10: 001a15b4 0017a408 00180284 001a15b4 00000000 <000ad8ca> 000ae1bc 00180284

0023fe30: 00000000 0023fe44 03722c00 <00094660> 001682f4 037fb5d8 0017a3a4 <000adf7e>

0023fe50: 001682f4 00000000 03722c00 00000000 0023fe84 0023fe84 <000adc8c> 000ae1bc

0023fe70:<000adcaa> 00000000 00000000 037d83a0 0013e5c8 00145538 00000000 <000ae384>

0023fe90: 001682f4 00180b44 001a15b4 00000000 00000000 <0019a3b2> 00175f00 0019a35c

0023feb0:<00001028> 001682f4 0019a444 00000000 00000000 00000000 00000000 00000000

0023fed0: 037fd220 ffffffff 0023ff08 <0009399e> 0017db68 00172b34 00173644 <00093a12>

0023fef0: 037fb6a4 00000000 000000d2 00173644 000000d0 0023ff08 0023cf28 00000000

0023ff10: 00000000 001a15b4 <00093b76> 00173644 00172b34 00000000 <0006b8bc> 0017db68

0023ff30: 00172b34 001a15b4 0023ff5c 037cb4a0 037ca300 00000000 00000000 00173644

0023ff50: 0023ff5c <0014848c><0006bae4> 000000d2 <0006baf2> 0017db68 037cb4a0 00004000

0023ff70: 00000000 00000000 0023ff9c 7fffff00 00000001 <0002e03e> 0023ff9c 00000061

0023ff90:<0006bbb6> 001a13a4 037ca300 00003739 00000000 00190000 <0002e09a> 0017c4a8

0023ffb0: 001a13a4 00000061 0017db68 <001883b0> 001a155c 001a13a4 00000000 00000000

0023ffd0: 00000000 00000000 00000000 00000000 00000000 <0000145e> 00000000 00000000

0023fff0: 00000000 00000000 ffffffff 00000006 037bd040

Return addresses in stack:

frame 1 : <0x0000e8d0> { _warn_on_slowpath + 0x44 }

address : <0x0000e8d4> { _warn_on_slowpath + 0x48 }

address : <0x00115ac0> { _mutex_lock + 0xc }

address : <0x0004ce82> { _ifind + 0xe }

address : <0x0007042a> { _sysfs_new_dirent + 0x42 }

address : <0x0004cefe> { _ilookup5 + 0x2e }

address : <0x000702d2> { ___sysfs_add_one + 0x6e }

address : <0x00115ac0> { _mutex_lock + 0xc }

address : <0x00070310> { _sysfs_add_one + 0xc }

address : <0x0006fbb6> { _sysfs_add_file_mode + 0x3e }

address : <0x0009460e> { _kobject_add_varg + 0x16 }

address : <0x0006fc18> { _sysfs_add_file + 0x10 }

address : <0x000883fa> { _elv_register_queue + 0x66 }

address : <0x00039d24> { _bdi_register + 0x98 }

address : <0x0008b292> { _blk_register_queue + 0x5e }

address : <0x00039d4a> { _bdi_register_dev + 0x22 }

address : <0x0008e718> { _add_disk + 0xa8 }

address : <0x0008e72c> { _add_disk + 0xbc }

address : <0x000b678e> { _add_mtd_blktrans_dev + 0x106 }

address : <0x000b6de8> { _mtdblock_add_mtd + 0x20 }

address : <0x000b64c8> { _blktrans_notify_add + 0x28 }

address : <0x00115ac0> { _mutex_lock + 0xc }

address : <0x000b4368> { _add_mtd_device + 0x84 }

address : <0x000b4f16> { _add_mtd_partitions + 0x3a }

address : <0x000b52ca> { _add_mtd_partitions + 0x3ee }

address : <0x0000f01a> { _printk + 0x12 }

address : <0x000c1954> { _physmap_flash_probe + 0x26c }

address : <0x000707e6> { _create_dir + 0x3a }

address : <0x000ae0d0> { _driver_probe_device + 0x80 }

address : <0x0011408a> { _klist_next + 0x26 }

address : <0x001140b2> { _klist_next + 0x4e }

address : <0x000ae228> { ___driver_attach + 0x6c }

address : <0x000ad8ca> { _bus_for_each_dev + 0x3a }

address : <0x00094660> { _kobject_init_and_add + 0x24 }

address : <0x000adf7e> { _driver_attach + 0x1a }

address : <0x000adc8c> { _bus_add_driver + 0x64 }

address : <0x000adcaa> { _bus_add_driver + 0x82 }

address : <0x000ae384> { _driver_register + 0x40 }

address : <0x0019a3b2> { _init_mtdchar + 0x56 }

address : <0x00001028> { _do_one_initcall + 0x28 }

address : <0x0009399e> { _ida_get_new_above + 0x96 }

address : <0x00093a12> { _ida_get_new_above + 0x10a }

address : <0x00093b76> { _ida_pre_get + 0xe }

address : <0x0006b8bc> { _proc_register + 0x30 }

address : <0x0014848c> /* kernel dynamic memory */

address : <0x0006bae4> { _create_proc_entry + 0x3c }

address : <0x0006baf2> { _create_proc_entry + 0x4a }

address : <0x0002e03e> { _register_irq_proc + 0x7e }

address : <0x0006bbb6> { _proc_mkdir_mode + 0x2e }

address : <0x0002e09a> { _init_irq_proc + 0x42 }

address : <0x001883b0> { _kernel_init + 0x84 }

address : <0x0000145e> { _kernel_thread_helper + 0x6 }

---[ end trace 2b78c89c0957ffec ]---

0x00120000-0x003f0000 : "file system(nor)"

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

WARNING: at mm/backing-dev.c:179 _bdi_register+0x98/0x9c()

Modules linked in:

Hardware Trace:

0 Target : <0x0000485c> { _dump_stack + 0x0 }

Source : <0x0000e8d0> { _warn_on_slowpath + 0x44 } CALL pcrel

1 Target : <0x0000e8d0> { _warn_on_slowpath + 0x44 }

Source : <0x000295fe> { _print_modules + 0x7a } RTS

2 Target : <0x000295f8> { _print_modules + 0x74 }

Source : <0x0000f01e> { _printk + 0x16 } RTS

3 Target : <0x0000f01a> { _printk + 0x12 }

Source : <0x0000f844> { _vprintk + 0x130 } RTS

4 Target : <0x0000f838> { _vprintk + 0x124 }

Source : <0xffa00c60> { __common_int_entry + 0xd8 } RTI

5 Target : <0xffa00bfe> { __common_int_entry + 0x76 }

Source : <0xffa00a48> { _return_from_int + 0x58 } RTS

6 Target : <0xffa00a48> { _return_from_int + 0x58 }

Source : <0xffa00a1e> { _return_from_int + 0x2e } IF !CC JUMP

7 Target : <0xffa009f0> { _return_from_int + 0x0 }

Source : <0xffa00bfa> { __common_int_entry + 0x72 } CALL pcrel

8 Target : <0xffa00bf8> { __common_int_entry + 0x70 }

Source : <0xffa0033a> { _asm_do_IRQ + 0x6e } RTS

9 Target : <0xffa00332> { _asm_do_IRQ + 0x66 }

Source : <0x00012df2> { __local_bh_enable + 0x3e } RTS

10 Target : <0x00012db4> { __local_bh_enable + 0x0 }

Source : <0x00012ee2> { ___do_softirq + 0xa6 } JUMP.L

11 Target : <0x00012eda> { ___do_softirq + 0x9e }

Source : <0x00012eb8> { ___do_softirq + 0x7c } IF !CC JUMP

12 Target : <0x00012e9a> { ___do_softirq + 0x5e }

Source : <0x0002e6b0> { _rcu_process_callbacks + 0x30 } RTS

13 Target : <0x0002e6ac> { _rcu_process_callbacks + 0x2c }

Source : <0x0002e5e6> { ___rcu_process_callbacks + 0x132 } RTS

14 Target : <0x0002e5e0> { ___rcu_process_callbacks + 0x12c }

Source : <0x0002e56a> { ___rcu_process_callbacks + 0xb6 } IF !CC JUMP

15 Target : <0x0002e564> { ___rcu_process_callbacks + 0xb0 }

Source : <0x0002e5ec> { ___rcu_process_callbacks + 0x138 } IF CC JUMP

Stack info:

SP: [0x0023fb94] <0x0023fb94> /* kernel dynamic memory */

FP: (0x0023fb90)

Memory from 0x0023fb90 to 00240000

0023fb90:(00000000)[0000e8d0]<0000e8d4> 0023fbb4 001494a0 037fc320 001494a0 000000b3

0023fbb0: 0023fbb4 6964625f 6765725f 65747369 78302b72 302f3839 00633978 00174660

0023fbd0: 0023fc38 00000000 00000002 00000000 00174660 00000010 0023fbec 0377ac60

0023fbf0:<0004ce82> 03750be8 0023fc68 0018089c 037f5000 0006ff70 0377ac60 <0007042a>

0023fc10: 0377cae0 03750be8 <0004cefe> 037f5000 <000702d2> 0377ac60 <00115ac0> 03750be8

0023fc30:<00070310> 0377cae0 0017f5b4 0018089c 0377ac60 <0006fbb6> 0377cae0 0017f5b4

0023fc50: 0018089c 0023fc68 00000000 0377aee8 <0009460e> 0377aee0 03750be8 00000000

0023fc70: 00000000 00000001 <0006fc18> 0377ac60 <000883fa> 0017f5c8 03751400 0018089c

0023fc90: 0377aee8 <00039d24> 0372d61c 00000c00 002d0000 0372d580 03751400 0014fa84

0023fcb0:<0008b292> 0372d580 00000000 0372d688 <00039d4a> 0372d61c 00000000 00150390

0023fcd0:<0008e718> 0000001f 00000002 <0008e72c> 00000c00 002d0000 00000003 0008dd48

0023fcf0: 0008e104 03751400 01f00002 <000b678e> 03751400 0377ac64 <000b6de8> 03715ba0

0023fd10: 0018089c 00152a88 00000002 0023fd3c 03715ba0 <000b64c8> 0018089c 00000040

0023fd30: 0018086c 00000000 00000030 <00115ac0> 00000030 <000b4368> 0018085c 03715ba0

0023fd50: 00180718 00120000 00000002 00000004 <000b4f16><000b52ca> 03715ba0 03715ea0

0023fd70: 0017a5fc <0000f01a> 00120000 003f0000 00145594 0017a354 <000c1954> 037d6094