[#6399] Allocation test in l1 data SRAM fail in latest trunk(2010)

[#6399] Allocation test in l1 data SRAM fail in latest trunk

Submitted By: Vivi Li

Open Date

2010-12-07 21:59:02 Close Date

2010-12-20 21:59:32

Priority:

Medium Assignee:

Vivi Li

Mingquan Pan

Status:

Closed Fixed In Release:

N/A

Found In Release:

2011R1 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.:

trunk

App binary format:

N/A

Summary: Allocation test in l1 data SRAM fail in latest trunk

Details:

Allocation test in l1 data SRAM fail in latest trunk.

First failed version:

kernel: Linux release 2.6.36.1-ADI-2011R1-pre-svn9522, build #6 Wed Dec 8 01:34:36 GMT 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.5 (ADI-trunk/svn-5013)

user-dist: release svn-10000, build #25 Wed Dec 8 01:33:53 GMT 2010

Last passed version:

kernel: Linux release 2.6.36.1-ADI-2011R1-pre-svn9514, build #30 Sun Nov 28 17:41:22 GMT 2010

toolchain: bfin-uclinux-gcc release gcc version 4.3.5 (ADI-trunk/svn-5013)

user-dist: release svn-9990, build #510 Sun Nov 28 17:40:13 GMT 2010

Bellow is the error log:

Linux version 2.6.36.1-ADI-2011R1-pre-svn9522 (test@uclinux59-kernel-perf) (gcc version 4.3.5 (ADI-trunk/svn-5013) ) #6 Wed Dec 0

bootconsole [early_shadow0] enabled

bootconsole [early_BFuart0] enabled

early printk enabled on early_BFuart0

Limiting kernel memory to 56MB due to anomaly 05000263

Board Memory: 64MB

Kernel Managed Memory: 64MB

Memory map:

fixedcode = 0x00000400-0x00000490

text = 0x00001000-0x00117b40

rodata = 0x00117b40-0x00174a20

bss = 0x00175000-0x001856cc

data = 0x001856cc-0x00198000

stack = 0x00196000-0x00198000

init = 0x00198000-0x008ae000

available = 0x008ae000-0x03800000

DMA Zone = 0x03f00000-0x04000000

Hardware Trace Active and Enabled

Boot Mode: 0

Compiled for ADSP-BF537 Rev 0.2

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

Processor Speed: 500 MHz core clock and 125 MHz System Clock

NOMPU: setting up cplb tables

Instruction Cache Enabled for CPU0

External memory: cacheable in instruction cache

Data Cache Enabled for CPU0

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

Built 1 zonelists in Zone order, mobility grouping off. Total pages: 14224

Kernel command line: root=/dev/mtdblock0 rw clkin_hz=25000000 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: 47888k/65536k RAM, (7256k init code, 1114k kernel code, 514k data, 1024k dma, 7740k reserved)

Hierarchical RCU implementation.

RCU-based detection of stalled CPUs is disabled.

Verbose stalled-CPUs detection is disabled.

NR_IRQS:138

Configuring Blackfin Priority Driven Interrupts

bfin-rtc: invalid date; resetting

console [ttyBF0] enabled, bootconsole disabled

Calibrating delay loop... 993.28 BogoMIPS (lpj=1986560)

pid_max: default: 32768 minimum: 301

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 (35 KB free)

NET: Registered protocol family 16

Blackfin DMA Controller

stamp_init(): registering device resources

bio: create slab <bio-0> at 0

bfin-spi bfin-spi.0: Blackfin on-chip SPI Controller Driver, Version 1.0, regs_base@ffc00500, dma channel@7

Switching to clocksource bfin_cs_cycles

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

debug-mmrs: setting up Blackfin MMR debugfs

msgmni has been set to 93

io scheduler noop registered (default)

bfin-uart: Blackfin serial driver

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

brd: module loaded

bfin_mii_bus: probed

bfin_mac: attached PHY driver [SMSC LAN83C185] (mii_bus:phy_addr=0:01, irq=-1, mdc_clk=2500000Hz(mdc_div=24)@sclk=125MHz)

bfin_mac bfin_mac.0: eth0: Blackfin on-chip Ethernet MAC driver, Version 1.1

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

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

TCP cubic registered

NET: Registered protocol family 17

,IP-Config: Complete:tting system clock to 1970-01-01 00:00:01 UTC (1)

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

host=bf537-stamp, domain=, nis-domain=(none),

bootserver=10.100.4.174, rootserver=10.100.4.174, rootpath=

dma_alloc_init: dma_page @ 0x02923000 - 256 pages at 0x03f00000

Freeing unused kernel memory: 7256k 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 v1.17.4 (2010-12-07 17:31:31 GMT) hush - the humble shell

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

root:/> sram_alloc

Testing NULL pointer access

Kernel OOPS in progress

Deferred Exception context

CURRENT PROCESS:

COMM=sram_alloc PID=163 CPU=0

TEXT = 0x02ae8040-0x02aec6a0 DATA = 0x02aec6c0-0x02aed2b4

BSS = 0x02aed2b4-0x02aed520 USER-STACK = 0x02aeef78

return address: [0x00009898]; contents of:

0x00009870: 914a e511 002d e50d 0055 0c45 1820 e12a

0x00009880: 0154 5b11 63ff 2002 3262 a068 0830 180d

0x00009890: 0000 0000 0000 9162 [9155] 0c45 17f6 6c66

0x000098a0: 3007 0127 05b4 0010 3006 e3ff ffb1 3038

ADSP-BF537-0.2 500(MHz CCLK) 125(MHz SCLK) (mpu off)

Linux version 2.6.36.1-ADI-2011R1-pre-svn9522 (test@uclinux59-kernel-perf) (gcc version 4.3.5 (ADI-trunk/svn-5013) ) #6 Wed Dec 0

SEQUENCER STATUS: Not tainted

SEQSTAT: 00000027 IPEND: 8008 IMASK: ffff SYSCFG: 0006

EXCAUSE : 0x27

physical IVG3 asserted : <0xffa007d4> { _trap + 0x0 }

physical IVG15 asserted : <0xffa010b8> { _evt_system_call + 0x0 }

logical irq 6 mapped : <0xffa003ec> { _bfin_coretmr_interrupt + 0x0 }

logical irq 10 mapped : <0x000bd630> { _bfin_rtc_interrupt + 0x0 }

logical irq 18 mapped : <0x000a83ec> { _bfin_serial_dma_rx_int + 0x0 }

logical irq 19 mapped : <0x000a8144> { _bfin_serial_dma_tx_int + 0x0 }

logical irq 24 mapped : <0x000b88f0> { _bfin_mac_interrupt + 0x0 }

RETE: <0x00000000> /* Maybe null pointer? */

RETN: <0x02079eec> /* kernel dynamic memory (maybe user-space) */

RETX: <0x00000480> /* Maybe fixed code section */

RETS: <0x000098ba> { _sram_free_with_lsl + 0x5a }

PC : <0x00009898> { _sram_free_with_lsl + 0x38 }

DCPLB_FAULT_ADDR: <0x00000000> /* Maybe null pointer? */

ICPLB_FAULT_ADDR: <0x00009898> { _sram_free_with_lsl + 0x38 }

PROCESSOR STATE:

R0 : 0000ffff R1 : 00902c40 R2 : 00000004 R3 : ffa032b8

R4 : 00000000 R5 : ffa032b8 R6 : ffa032b8 R7 : 00000000

P0 : 020000c0 P1 : 0000000e P2 : 00000000 P3 : 02aec6e0

P4 : 029301b4 P5 : 02962680 FP : 02aeee24 SP : 02079e10

LB0: 02aeb03b LT0: 02aeb03a LC0: 00000000

LB1: 02ae9175 LT1: 02ae9174 LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 00000000 I0 : 02aed148

B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 00000000

B2 : 00000000 L2 : 00000000 M2 : 00000000 I2 : 00000000

B3 : 00000000 L3 : 00000000 M3 : 00000000 I3 : 00000000

A0.w: 00000000 A0.x: 00000000 A1.w: 00000000 A1.x: 00000000

USP : 02aeee18 ASTAT: 02001004

Hardware Trace:

0 Target : <0x00003ef4> { _trap_c + 0x0 }

Source : <0xffa00768> { _exception_to_level5 + 0xa4 } CALL pcrel

1 Target : <0xffa006c4> { _exception_to_level5 + 0x0 }

Source : <0xffa00578> { _bfin_return_from_exception + 0x20 } RTX

2 Target : <0xffa00558> { _bfin_return_from_exception + 0x0 }

Source : <0xffa0061c> { _ex_trap_c + 0x74 } JUMP.S

3 Target : <0xffa005a8> { _ex_trap_c + 0x0 }

Source : <0xffa00480> { _ex_workaround_261 + 0x1c } JUMP.S

4 Target : <0xffa00464> { _ex_workaround_261 + 0x0 }

Source : <0xffa0083c> { _trap + 0x68 } JUMP (P4)

5 Target : <0xffa007f2> { _trap + 0x1e }

Source : <0xffa007ee> { _trap + 0x1a } IF CC JUMP pcrel

6 Target : <0xffa007d4> { _trap + 0x0 }

FAULT : <0x00009898> { _sram_free_with_lsl + 0x38 } P5 = [P2]

Source : <0xffa00578> { _bfin_return_from_exception + 0x20 } RTX

7 Target : <0xffa00558> { _bfin_return_from_exception + 0x0 }

Source : <0xffa00476> { _ex_workaround_261 + 0x12 } IF !CC JUMP pcrel

8 Target : <0xffa00464> { _ex_workaround_261 + 0x0 }

Source : <0xffa0083c> { _trap + 0x68 } JUMP (P4)

9 Target : <0xffa007f2> { _trap + 0x1e }

Source : <0xffa007ee> { _trap + 0x1a } IF CC JUMP pcrel

10 Target : <0xffa007d4> { _trap + 0x0 }

Source : <0x00009896> { _sram_free_with_lsl + 0x36 } P2 = [P4]

11 Target : <0x00009896> { _sram_free_with_lsl + 0x36 }

Source : <0x000098ba> { _sram_free_with_lsl + 0x5a } JUMP.S

12 Target : <0x000098ba> { _sram_free_with_lsl + 0x5a }

Source : <0x00046c40> { _kfree + 0x78 } RTS

13 Target : <0x00046c10> { _kfree + 0x48 }

Source : <0x00046c0a> { _kfree + 0x42 } IF !CC JUMP pcrel (BP)

14 Target : <0x00046c04> { _kfree + 0x3c }

Source : <0x00046c00> { _kfree + 0x38 } IF CC JUMP pcrel (BP)

15 Target : <0x00046bfa> { _kfree + 0x32 }

Source : <0x00046bf6> { _kfree + 0x2e } IF CC JUMP pcrel (BP)

Kernel Stack

Stack info:

SP: [0x02079f24] <0x02079f24> /* kernel dynamic memory (maybe user-space) */

Memory from 0x02079f20 to 0207a000

02079f20: ffa032b8 [02ae8860] 00008000 00000000 00000000 0207a000 02ae8860 02ae8860

02079f40: 02ae81de ffa0111c 02001004 02ae9175 02aeb03b 02ae9174 02aeb03a 00000000

02079f60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02079f80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02079fa0: 00000000 00000000 00000000 00000000 02aed148 02aeee18 02aeee24 02aeee84

02079fc0: ffffff7c 02aec6e0 00000004 02aec72f 00000138 00000000 02aed2dc ffa032b8

02079fe0: 00000000 02aecd08 00000004 02aecd04 ffa032b8 ffa032b8 00000138 00000006

Return addresses in stack:

Modules linked in:

Kernel panic - not syncing: Kernel exception

Hardware Trace:

Stack info:

SP: [0x02079d1c] <0x02079d1c> /* kernel dynamic memory (maybe user-space) */

FP: (0x02079ef4)

Memory from 0x02079d10 to 0207a000

02079d10: 0000000b 02079d1c 00000013 [00147a70] 00117988 02079e10 00147a70 0017a3cf

02079d30: 0017a3cf 0017a3cf 02079d64 02aeee24 0000432c 02079e10 ffe02014 02aec6e0

02079d50: 00008008 0000000b 00000027 00000013 02079e10 0000003f 0000003f 0291e400

02079d70: 028f3600 0003000b 0000ffff 00186c54 00175660 0000003f 0000ffff 00000000

02079d90: 00154c2e 00000fff 000004df 00000002 00000009 0000ffff 0000ffff 0000003f

02079db0:<000a505a> 028f3600 00000008 00000000 000a65e8 00000000 000a65e8 00000000

02079dd0: 00000001 02855ec0 <0009faae> 02855ec0 <0009f8b4> 0291e400 00000020 ffa0076c

02079df0: 00177000 00008008 00000027 ffa032b8 00000000 02855ec0 000a0630 00000480

02079e10: 00000480 00008008 00000027 00000000 02079eec 00000480 00009898 000098ba

02079e30: 0000ffff 02001004 02ae9175 02aeb03b 02ae9174 02aeb03a 00000000 00000000

02079e50: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02079e70: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02079e90: 00000000 00000000 00000000 02aed148 02aeee18 02aeee24 02962680 029301b4

02079eb0: 02aec6e0 00000000 0000000e 020000c0 00000000 ffa032b8 ffa032b8 00000000

02079ed0: ffa032b8 00000004 00902c40 0000ffff 0000ffff 020000c0 00000006 02079ef0

02079ef0: 00000000 (00000000)<ffa00976> 00003d7c 00000138 00000000 ffffe000 02ae3fef

02079f10: 020493c0 00000001 02aecd08 00000000 ffa032b8 02ae8860 00008000 00000000

02079f30: 00000000 0207a000 02ae8860 02ae8860 02ae81de ffa0111c 02001004 02ae9175

02079f50: 02aeb03b 02ae9174 02aeb03a 00000000 00000000 00000000 00000000 00000000

02079f70: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02079f90: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

02079fb0: 02aed148 02aeee18 02aeee24 02aeee84 ffffff7c 02aec6e0 00000004 02aec72f

02079fd0: 00000138 00000000 02aed2dc ffa032b8 00000000 02aecd08 00000004 02aecd04

02079ff0: ffa032b8 ffa032b8 00000138 00000006

Return addresses in stack:

address : <0x000a505a> { _uart_start + 0x66 }

address : <0x0009faae> { _do_output_char + 0x146 }

address : <0x0009f8b4> { _process_output_block + 0x8c }

frame 1 : <0xffa00976> { _system_call + 0x6a }

Follow-ups

--- Mike Frysinger 2010-12-07 23:31:30

my svn 9522 commit was slightly wrong ... it missed a break pointed out by

Simon

please retest

--- Vivi Li 2010-12-20 21:59:32

Not crash now. Close it.

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