[#5376] mmap05 sometimes can not pass when MPU

Submitted By: Graf Yang

Open Date

2009-07-20 22:29:52 Close Date

2009-07-20 22:39:59

Priority:

Medium Assignee:

Graf Yang

Status:

Closed Fixed In Release:

N/A

Found In Release:

N/A Release:

Category:

N/A Board:

N/A

Processor:

ALL Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Duplicate

Uboot version or rev.:

Toolchain version or rev.:

any

App binary format:

N/A

Summary: mmap05 sometimes can not pass when MPU

Details:

Data access CPLB miss

- Used by the MMU to signal a CPLB miss on a data access.

Deferred Exception context

CURRENT PROCESS:

COMM=mmap05 PID=147

CPU = 0

TEXT = 0x03240040-0x0324b2e0 DATA = 0x0324b2e4-0x0324dff4

BSS = 0x0324dff4-0x03252f64 USER-STACK = 0x0325af8c

return address: [0x03240258]; contents of:

0x03240230: e10a dc9c 9110 0c00 182a e140 0324 e100

0x03240240: efa8 6009 e300 1e32 0c00 100a 0000 e14a

0x03240250: 0324 e10a ef9c 9152 [9950] e6b8 ffff e14a

0x03240260: 0324 e10a e010 9110 0c00 1809 e141 0324

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

Linux version 2.6.30.1-ADI-2010R1-pre-svn7029 (ymm@uboot32-533ezkit) (gcc version 4.1.2 (ADI svn)) #33 Mon Jul9

SEQUENCER STATUS: Not tainted

SEQSTAT: 00062026 IPEND: 0008 IMASK: ffff SYSCFG: 0006

EXCAUSE : 0x26

physical IVG3 asserted : <0x00009104> { _trap + 0x0 }

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

RETN: <0x032ea000> /* kernel dynamic memory */

RETX: <0x00008ffc> { _exception_to_level5 + 0x0 }

RETS: <0x03240248> [ mmap05 + 0x208 ]

PC : <0x03240258> [ mmap05 + 0x218 ]

DCPLB_FAULT_ADDR: <0x0326b000> [ /tmp/mmaBswNsb/mmapfile + 0x0 ]

ICPLB_FAULT_ADDR: <0x03240258> [ mmap05 + 0x218 ]

PROCESSOR STATE:

R0 : 00000000 R1 : 00000000 R2 : 0324f04c R3 : 00000008

R4 : 00000001 R5 : 0324b2c0 R6 : 0324ef60 R7 : 00000000

P0 : 000000af P1 : 00000000 P2 : 0326b000 P3 : 0325af90

P4 : 0324dff0 P5 : 0324b2e4 FP : 0325af34 SP : 032e9f24

LB0: 03245f75 LT0: 03245f72 LC0: 00000000

LB1: 032482d7 LT1: 0324828e LC1: 00000000

B0 : 0000001b L0 : 00000000 M0 : 00000001 I0 : 00000007

B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 0000000f

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

B3 : 00000000 L3 : 00000000 M3 : 00000000 I3 : 0010780c

A0.w: 00000030 A0.x: 00000000 A1.w: 00000030 A1.x: 00000000

USP : 0325af10 ASTAT: 02001025

Hardware Trace:

0 Target : <0x00005188> { _trap_c + 0x0 }

Source : <0x00009096> { _exception_to_level5 + 0x9a } CALL pcrel

1 Target : <0x00008ffc> { _exception_to_level5 + 0x0 }

Source : <0x00008e42> { _ex_dcplb_miss + 0x66 } RTX

2 Target : <0x00008ddc> { _ex_dcplb_miss + 0x0 }

Source : <0x00008dd2> { _ex_workaround_261 + 0x1a } IF CC JUMP

3 Target : <0x00008db8> { _ex_workaround_261 + 0x0 }

Source : <0x0000913e> { _trap + 0x3a } JUMP (P4)

4 Target : <0x00009124> { _trap + 0x20 }

Source : <0x00009120> { _trap + 0x1c } IF !CC JUMP

5 Target : <0x00009104> { _trap + 0x0 }

Source : <0x00008eae> { _bfin_return_from_exception + 0x12 } RTX

6 Target : <0x00008e9c> { _bfin_return_from_exception + 0x0 }

Source : <0x00008dca> { _ex_workaround_261 + 0x12 } IF !CC JUMP

7 Target : <0x00008db8> { _ex_workaround_261 + 0x0 }

Source : <0x0000913e> { _trap + 0x3a } JUMP (P4)

8 Target : <0x00009124> { _trap + 0x20 }

Source : <0x00009120> { _trap + 0x1c } IF !CC JUMP

9 Target : <0x00009104> { _trap + 0x0 }

Source : <0x00008eae> { _bfin_return_from_exception + 0x12 } RTX

10 Target : <0x00008e9c> { _bfin_return_from_exception + 0x0 }

Source : <0x00008f4a> { _ex_trap_c + 0x6e } JUMP.S

11 Target : <0x00008ddc> { _ex_dcplb_miss + 0x0 }

Source : <0x00008dd8> { _ex_workaround_261 + 0x20 } IF CC JUMP

12 Target : <0x00008db8> { _ex_workaround_261 + 0x0 }

Source : <0x0000913e> { _trap + 0x3a } JUMP (P4)

13 Target : <0x00009124> { _trap + 0x20 }

Source : <0x00009120> { _trap + 0x1c } IF !CC JUMP

14 Target : <0x00009104> { _trap + 0x0 }

Source : <0x00008e42> { _ex_dcplb_miss + 0x66 } RTX

15 Target : <0x00008ddc> { _ex_dcplb_miss + 0x0 }

Source : <0x00008dd2> { _ex_workaround_261 + 0x1a } IF CC JUMP

Userspace Stack

Stack info:

SP: [0x0325af10] <0x0325af10> [ mmap05 + 0x1af10 ]

FP: (0x0325af34)

Memory from 0x0325af10 to 0325b000

0325af10:[00000000] 0325af90 00000000 00000001 00000003 00000000 00000000 00000000

0325af30: 0325af4c (0325af4c)<03247c6c> 00000000 00000001 0325af90 00000000 (00000000)

0325af50:<03394d58> 0324b2e4 033fd5f0 033fd5b0 00000000 033e0410 00000000 00000000

0325af70: 0324013c 00000000 00000000 0324b2c0 0324b2d2 00000000 033fd5f4 00000001

0325af90: 0325afa8 00000000 0325afb1 0325afbc 0325afdf 00000000 6d6d2f2e 35307061

0325afb0: 52455400 696c3d4d 0078756e 48544150 69622f3d 752f3a6e 622f7273 2f3a6e69

0325afd0: 6e696273 73752f3a 62732f72 48006e69 5f485355 53524556 3d4e4f49 34312e31

0325aff0: 2e00322e 616d6d2f 00353070 00000000

Return addresses in stack:

frame 1 : <0x03247c6c> [ mmap05 + 0x7c2c ]

frame 2 : <0x03394d58> [ sh + 0x14d58 ]

mmap05 1 BROK : received an unexpected signal

Follow-ups

--- Graf Yang 2009-07-20 22:39:58

It's maybe the same reason that vivi found later in but [#5153].

Close it.

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