[#4430] NULL_POINTER test failed in trunk kernel with SMP patch

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[#4430] NULL_POINTER test failed in trunk kernel with SMP patch

Submitted By: Graf Yang

Open Date

2008-09-18 06:34:02     Close Date

2009-03-03 02:55:41

Priority:

Medium     Assignee:

Graf Yang

Status:

Closed     Fixed In Release:

N/A

Found In Release:

N/A     Release:

Category:

Kernel Functions     Board:

N/A

Processor:

BF561     Silicon Revision:

0.3

Is this bug repeatable?:

Yes     Resolution:

Fixed

Uboot version or rev.:

    Toolchain version or rev.:

09-r1

App binary format:

N/A     

Summary: NULL_POINTER test failed in trunk kernel with SMP patch

Details:

 

NULL_POINTER test may cause double fault

 

Follow-ups

 

--- Graf Yang                                                2008-09-18 07:42:31

The reason is

saved_dcplb_fault_address is a variable that put in L1 of CoreA.

 

--- Sonic Zhang                                              2008-09-18 23:19:54

You may move it to L2 SRAM.

 

--- Graf Yang                                                2008-09-18 23:34:49

I'm thinking put them in PDA (L1 scratch pad sram) for smp.

 

 

 

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