[#3857] ndso on bf533 fails for low stack size

Submitted By: Mingquan Pan

Open Date

2008-01-24 21:28:04 Close Date

2008-02-21 05:34:31

Priority:

Medium Assignee:

Michael Hennerich

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.:

08r1-6

App binary format:

N/A

Summary: ndso on bf533 fails for low stack size

Details:

ndso on bf533 fails for low stack size.

root:/> ndso &

103

root:/> Data access misaligned address violation

- Attempted misaligned data memory or data cache access.

Defered Exception context

CURRENT PROCESS:

COMM=ndso PID=103

TEXT = 0x03240040-0x0324f3e0 DATA = 0x0324f3e4-0x032527f4

BSS = 0x032527f4-0x03252f14 USER-STACK = 0x03254f84

return address: [0x0324a562]; contents of:

0x0324a540: ffff 6ff0 e580 fffe 6181 0808 1032 0000

0x0324a550: 0000 e580 ffff 3220 e120 0063 3248 6ff9

0x0324a560: 5aac [9112] 0a02 17e9 c080 1813 c683 5180

0x0324a570: c111 8613 c111 981a c683 1180 c40b 0200

SEQUENCER STATUS: Not tainted

SEQSTAT: 00002024 IPEND: 0030 SYSCFG: 0006

HWERRCAUSE: 0x0

EXCAUSE : 0x24

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

RETN: <0x037d4000> /* unknown address */

RETX: <0x0324a562> [ ndso + 0xa522 ]

RETS: <0x0324a5e2> [ ndso + 0xa5a2 ]

PC : <0x0324a562> [ ndso + 0xa522 ]

DCPLB_FAULT_ADDR: <0x03252e5c> [ ndso + 0x12e5c ]

ICPLB_FAULT_ADDR: <0x0324a562> [ ndso + 0xa522 ]

PROCESSOR STATE:

R0 : 00000063 R1 : 0000076c R2 : 000000be R3 : 66666667

R4 : 032403a8 R5 : 00000000 R6 : 0000003f R7 : 0000003f

P0 : 03252dce P1 : 03252dcd P2 : 03252e5d P3 : 032524c8

P4 : 00000025 P5 : 03252e38 FP : 03250c0c SP : 037d3f24

LB0: 03248551 LT0: 0324854e LC0: 00000000

LB1: 03247a35 LT1: 03247a34 LC1: 00000000

B0 : 00000000 L0 : 00000000 M0 : 00000000 I0 : 03250b11

B1 : 00000000 L1 : 00000000 M1 : 00000000 I1 : 032524c8

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

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

A0.w: 000002f8 A0.x: 00000000 A1.w: 000002f8 A1.x: 00000000

USP : 03250c00 ASTAT: 02000002

Hardware Trace:

0 Target : <0x00004814> { _trap_c + 0x0 }

Source : <0xffa00774> { _exception_to_level5 + 0xb4 }

1 Target : <0xffa006c0> { _exception_to_level5 + 0x0 }

Source : <0xffa0061c> { _ex_trap_c + 0x5c }

2 Target : <0xffa005c0> { _ex_trap_c + 0x0 }

Source : <0xffa00814> { _trap + 0x28 }

3 Target : <0xffa007ec> { _trap + 0x0 }

Source : <0x0324a560> [ ndso + 0xa520 ]

4 Target : <0x0324a552> [ ndso + 0xa512 ]

Source : <0x0324a536> [ ndso + 0xa4f6 ]

5 Target : <0x0324a4d6> [ ndso + 0xa496 ]

Source : <0x0324a5e2> [ ndso + 0xa5a2 ]

6 Target : <0x0324a5e2> [ ndso + 0xa5a2 ]

Source : <0x03248554> [ ndso + 0x8514 ]

7 Target : <0x03248546> [ ndso + 0x8506 ]

Source : <0x03248516> [ ndso + 0x84d6 ]

8 Target : <0x0324850c> [ ndso + 0x84cc ]

Source : <0x0324a5de> [ ndso + 0xa59e ]

9 Target : <0x0324a5ca> [ ndso + 0xa58a ]

Source : <0x0324a4d2> [ ndso + 0xa492 ]

10 Target : <0x0324a4cc> [ ndso + 0xa48c ]

Source : <0x0324a5fa> [ ndso + 0xa5ba ]

11 Target : <0x0324a5fa> [ ndso + 0xa5ba ]

Source : <0x03248554> [ ndso + 0x8514 ]

12 Target : <0x03248546> [ ndso + 0x8506 ]

Source : <0x03248516> [ ndso + 0x84d6 ]

13 Target : <0x0324850c> [ ndso + 0x84cc ]

Source : <0x0324a5f6> [ ndso + 0xa5b6 ]

14 Target : <0x0324a5e4> [ ndso + 0xa5a4 ]

Source : <0x0324a4c6> [ ndso + 0xa486 ]

15 Target : <0x0324a4c2> [ ndso + 0xa482 ]

Source : <0x03248554> [ ndso + 0x8514 ]

Stack from 037d3f04:

00011178 ffa00778 0014256c 0014256c 00142568 00000003 032403a8 03245e56

0324a562 00000030 00002024 00000000 037d4000 0324a562 0324a562 0324a5e2

00000063 02000002 03247a35 03248551 03247a34 0324854e 00000000 00000000

000002f8 00000000 000002f8 00000000 00000000 00000000 00000000 00000000

00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000

00000000 00000000 032524c8 03250b11 03250c00 03250c0c 03252e38 00000025

Call Trace:

test@linux:~/checkouts/test_suites.1026> bfin-uclinux-flthdr -p ndso

ndso

Magic: bFLT

Rev: 4

Build Date: Fri Jan 25 08:55:08 2008

Entry: 0x44

Data Start: 0xf3e0

Data End: 0x127f0

BSS End: 0x12f10

Stack Size: 0x4000

Reloc Start: 0x127f0

Reloc Count: 0x756

Flags: 0x1 ( Load-to-Ram )

If the size rises to 0x7530 by :

test@linux:~/checkouts/test_suites.1026> bfin-uclinux-flthdr -s30000 ndso

test@linux:~/checkouts/test_suites.1026> bfin-uclinux-flthdr -p ndso

ndso

Magic: bFLT

Rev: 4

Build Date: Fri Jan 25 08:55:08 2008

Entry: 0x44

Data Start: 0xf3e0

Data End: 0x127f0

BSS End: 0x12f10

Stack Size: 0x7530

Reloc Start: 0x127f0

Reloc Count: 0x756

Flags: 0x1 ( Load-to-Ram )

then the case is ok.

But on bf537, 0x4000 is ok.

Follow-ups

--- Michael Hennerich 2008-02-07 07:26:18

Fixed

-Michael

--- Mingquan Pan 2008-02-21 05:34:30

Yes,close.

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