[#6891] traps test may fail at case 85 'Read of L1 instruction' on bf518f-ezbrd in 2011r1(2011)

[#6891] traps test may fail at case 85 'Read of L1 instruction' on bf518f-ezbrd in 2011r1

Submitted By: Vivi Li

Open Date

2011-11-21 03:06:15

Priority:

Medium Assignee:

Nobody

Status:

Open Fixed In Release:

N/A

Found In Release:

N/A Release:

Category:

N/A Board:

N/A

Processor:

BF518 Silicon Revision:

Is this bug repeatable?:

Yes Resolution:

Assigned (Not Start)

Uboot version or rev.:

Toolchain version or rev.:

gcc4.3-2011R1-RC2

App binary format:

N/A

Summary: traps test may fail at case 85 'Read of L1 instruction' on bf518f-ezbrd in 2011r1

Details:

Traps test may hang at case 85 'Read of L1 instruction' on bf518f-ezbrd in 2011r1 branch.

I don't see this bug on trunk, but I can see this on 2011r1 regression.

Use following command to reproduce this bug:

while [ 1 ] ; do traps_test 85; done

Bellow is the error log:

Running test 85 for exception 0x3f: Read of L1 instruction^M

... <5> Source : <0xffa00d84> { _evt_ivhw + 0x108 } RTI<5>02acdcf0:[00000000] 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <5>02acddf0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <5>02acdef0: 02acdf4c 02ac8fd8 02ac0dc0 00000000 02acdf4c 00000000 (00000000) 029c6830 <5>02acdff0: 6172742f 745f7370 00747365 00000000 <5>02acddd0: 00000000 00000000 00000000 00000000 00000001 00000000 00000000 00000000 <5>02acded0: 00000000 02acdf9d (02acdf08)<02ac43e8> 00000000 00000006 02acc600 00000000 <5> Source : <0xffa009ca> { _ret_from_exception + 0x2a } IF !CC JUMP pcrel <5>02acdfd0: 5245565f 4e4f4953 312e313d 00342e38 027f2794 57500001 622f3d44 2e006e69 <5>0x02ac0990: 9152 e149 02ac e109 9194 e140 02ac 5e91 <5> Source : <0x0000410c> { _trap_c + 0x12c } RTS

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