Re: imx27 - hanging at freeing init memory -- getting some junk characters here after on console ..

[Daniel Mack <daniel@xxxxxxxx>]

On Tue, Nov 17, 2009 at 05:29:35PM +0530, Vadivelan M wrote:
>    Thanks for the continuous support. 
>    As you have suggested we have tried in main kernel with default
>    configuration.
> 
>    Without any change its stopping at

[...]

>    <1>Unhandled fault: external abort on non-linefetch (0x008) at 0xf4300000
>    Internal error: : 8 [#1]
>    Modules linked in:
>    CPU: 0    Not tainted  (2.6.27 #11)
>    PC is at mx27ads_timer_init+0x14/0x44
>    LR is at time_init+0x1c/0x24
>    pc : [<c0011390>]    lr : [<c000f8ac>]    psr: 800000d3
>    sp : c0429fa8  ip : c0429fb8  fp : c0429fb4
>    r10: a0021b58  r9 : 41069264  r8 : a0021b8c
>    r7 : c042ce5c  r6 : c0023f14  r5 : c044bcf0  r4 : c044bce4
>    r3 : f4300000  r2 : 00000000  r1 : 00000000  r0 : 019bfcc0
>    Flags: Nzcv  IRQs off  FIQs off  Mode SVC_32  ISA ARM  Segment kernel
>    Control: 0005317f  Table: a0004000  DAC: 00000017
>    Process swapper (pid: 0, stack limit = 0xc0428268)
>    Stack: (0xc0429fa8 to 0xc042a000)
>    9fa0:                   c0429fc4 c0429fb8 c000f8ac c001138c c0429ff4
>    c0429fc8
>    9fc0: c0008ae8 c000f8a0 c000853c 00000000 00000000 c0023f14 00000000
>    00053175
>    9fe0: c044c60c c0024318 00000000 c0429ff8 a0008034 c0008970 00000000
>    00000000
>    Backtrace:
>    [<c001137c>] (mx27ads_timer_init+0x0/0x44) from [<c000f8ac>]
>    (time_init+0x1c/0x24)
>    [<c000f890>] (time_init+0x0/0x24) from [<c0008ae8>]
>    (start_kernel+0x188/0x30c)
>    [<c0008960>] (start_kernel+0x0/0x30c) from [<a0008034>] (0xa0008034)
>     r6:c0024318 r5:c044c60c r4:00053175
>    Code: e92dd800 e24cb004 e59f3020 e59f0020 (e1d330b0)
>    <4>---[ end trace 1b75b31a2719ed1c ]---
>    <0>Kernel panic - not syncing: Attempted to kill the idle task!

Assuming this is the reference hardware which you're running on, others
should be able to reproduce this error. Unfortunately I can't help here,
as I don't have access to any MX2 based hardware. Anyone else?

Daniel

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