imx35 3 stack board linux booting problem

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imx35 3 stack board linux booting problem

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benoysaha
Contributor II

Hello ,

I am trying to boot  my board with imx35 3 stack board with linux 2.6.31(source available in freescale SDK). I could find that during booting the kernel gets crashed from init/main.c/rest_init() function.

I have done some analysis in rest_init() function and found that kernel  crash occurs when it tries to schedule the process kthreadd invoked from the rest_init() function.

The crash log is given below –

Unhandled fault: imprecise external abort (0xc06) at 0x00000000

Internal error: : c06 [#1]

<d>Modules linked in:

CPU: 0    Not tainted  (2.6.31-207-g7286c01 #108)

PC is at kernel_thread_helper+0x0/0xc

LR is at kernel_thread_helper+0x0/0xc

pc : [<c0029690>]    lr : [<c0029690>]    psr: 00000013

sp : c1829ff8  ip : 00000000  fp : 00000000

r10: 00000000  r9 : 00000000  r8 : 00000000

r7 : 00000000  r6 : 00000000  r5 : 00000000  r4 : 00000000

r3 : c002969c  r2 : c005e684  r1 : 00000000  r0 : 00000000

Flags: nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment kernel

Control: 00c5387f  Table: 80004008  DAC: 00000017

Process swapper (pid: 2, stack limit = 0xc1828268)

Stack: (0xc1829ff8 to 0xc182a000)

9fe0:                                                       47e247e2 47e247e2

Code: e121f002 e12fff1e c034d8eb c03cec84 (e1a00001)

<4>---[ end trace 1b75b31a2719ed1c ]---

Can anyone please help me to unblock this point.

Regards

Benoy

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YixingKong
Senior Contributor IV

Benoy

This discussion is closed since no activity. If you still need help, please feel free to reply with an update to this discussion, or create another discussion.

Thanks,

Yixing

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YixingKong
Senior Contributor IV

Benoy

We have not got your response yet and will close the diacussion in 3 days. If you still need help, please feel free to

reply with an update to this discussion.
Thanks,
Yixing

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YixingKong
Senior Contributor IV

Benoy

We are sorry for getting back to you so late. Are you still stuck with the issue? If you have somehow to resolved the

issue, can we close the discussion? If you still need Freescale help, please feel free to contact us.

Thanks,

Yixing

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