[#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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