Re: port-evbarm/48669: evbarm/imx23_olinuxino (ARM9E) doesn't boot

[Petri Laakso <petri.laakso%asd.fi@localhost>]

On Thu, 20 Mar 2014 16:40:00 +0000 (UTC)
petri.laakso%asd.fi@localhost wrote:

> >Number:         48669
> >Category:       port-evbarm
> >Synopsis:       evbarm/imx23_olinuxino (ARM9E) doesn't boot
> >Confidential:   no
> >Severity:       serious
> >Priority:       medium
> >Responsible:    port-evbarm-maintainer
> >State:          open
> >Class:          sw-bug
> >Submitter-Id:   net
> >Arrival-Date:   Thu Mar 20 16:40:00 +0000 2014
> >Originator:     Petri Laakso
> >Release:        current
> >Organization:
> >Environment:
> >Description:
> I was reported problem to me that evbarm/imx23_olinuxino doesn't work.
> 
> All user is going to see is endless loop of:
> 
> bootimx23: HW revision TA5, boot reason 5V, power source 5V
> Enabling 4P2 regulator...done
> Enabling 4P2 regulator output to DCDC...done
> Enabling VDDMEM...done
> Powering VDDD from DCDC...done
> Powering VDDA from DCDC...done
> Powering VDDIO from DCDC...done
> Enabling clocks...done
> Configuring pins...done
> Configuring EMI...done
> Press any key to drop into boot prompt...
> 
> NetBSD/evbarm (OLinuXino) booting ...
> panic: pmap_map_chunk: no L2 table for VA 0xc0400000
> 
> Undefined Instruction
> r14_un
> 
> >How-To-Repeat:
> Try to run evbarm/imx23_olinuxino
> >Fix:
> 

For debugging purposes I'm using u-boot and kernel image compiled
with VERBOSE_INIT_ARM, it looks like this:

## Booting kernel from Legacy Image at 42000000 ...
   Image Name:   whatever
   Image Type:   ARM NetBSD Kernel Image (uncompressed)
   Data Size:    4275776 Bytes = 4.1 MiB
   Load Address: 40000000
   Entry Point:  40000000
   Verifying Checksum ... OK
   Loading Kernel Image ... OK
## Transferring control to NetBSD stage-2 loader (at address 40000000) ...

NetBSD/evbarm (OLinuXino) booting ...
boot_args @ c3ffbf00: ''             
arm32_bootmem_init: memstart=0x40000000, memsize=0x4000000, 
kernelstart=0x40000000
arm32_bootmem_init: kernelend=0x40430000                                        
  
arm32_bootmem_init: adding 15312 free pages: [0x40430000..0x43ffffff] (VA 
0xc0430000)
arm32_kernel_vm_init: 0 L2 pages are needed to map 0x457000 kernel bytes        
     
arm32_kernel_vm_init: allocating page tables for vectoradd_pages: adding pv 
0xc0414560 (pa 0x40430000, va 0xc0430000, 4 pages) at tail
add_pages: appending pv 0xc04146a8 (0x40434000..0x40434fff) to 
0x40430000..0x40433fff                                                 
 kernel vmadd_pages: appending pv 0xc04146d0 (0x40435000..0x40435fff) to 
0x40430000..0x40434fff
add_pages: appending pv 0xc04146e4 (0x40436000..0x40436fff) to 
0x40430000..0x40435fff          
add_pages: appending pv 0xc04146f8 (0x40437000..0x40437fff) to 
0x40430000..0x40436fff
add_pages: appending pv 0xc041470c (0x40438000..0x40438fff) to 
0x40430000..0x40437fff
add_pages: appending pv 0xc0414720 (0x40439000..0x40439fff) to 
0x40430000..0x40438fff
add_pages: appending pv 0xc0414734 (0x4043a000..0x4043afff) to 
0x40430000..0x40439fff
add_pages: appending pv 0xc0414748 (0x4043b000..0x4043bfff) to 
0x40430000..0x4043afff
add_pages: appending pv 0xc041475c (0x4043c000..0x4043cfff) to 
0x40430000..0x4043bfff
arm32_kernel_vm_init: allocating stacks                                         
     
add_pages: adding pv 0xc041454c (pa 0x4043d000, va 0xc043d000, 1 pages) at tail
add_pages: appending pv 0xc0414a00 (0x4043e000..0x4043efff) to 
0x4043d000..0x4043dfff
    compile  IMX23_OLINUXINO/syscall.o
    compile  IMX23_OLINUXINO/undefined.o
add_pages: appending pv 0xc04149ec (0x4043f000..0x4043ffff) to 
0x4043d000..0x4043efff
add_pages: appending pv 0xc04149d8 (0x40440000..0x40440fff) to 
0x4043d000..0x4043ffff
add_pages: appending pv 0xc04149c4 (0x40441000..0x40442fff) to 
0x4043d000..0x40440fff
add_pages: appending pv 0xc0414a28 (0x40443000..0x40444fff) to 
0x4043d000..0x40442fff
add_pages: appending pv 0xc0414598 (0x40445000..0x40448fff) to 
0x4043d000..0x40444fff
Creating L1 page table at 0x40430000
arm32_kernel_vm_init: adding L2 pt (VA 0xc0434000, PA 0x40434000) for VA 
0xffff0000
 (vectors)arm32_kernel_vm_init: adding L2 pt (VA 0xc0435000, PA 0x40435000) for 
VA 0xc8000000 (vm)
arm32_kernel_vm_init: adding L2 pt (VA 0xc0436000, PA 0x40436000) for VA 
0xc8400000 (vm)
arm32_kernel_vm_init: adding L2 pt (VA 0xc0437000, PA 0x40437000) for VA 
0xc8800000 (vm)
arm32_kernel_vm_init: adding L2 pt (VA 0xc0438000, PA 0x40438000) for VA 
0xc8c00000 (vm)
arm32_kernel_vm_init: adding L2 pt (VA 0xc0439000, PA 0x40439000) for VA 
0xc9000000 (vm)
arm32_kernel_vm_init: adding L2 pt (VA 0xc043a000, PA 0x4043a000) for VA 
0xc9400000 (vm)
arm32_kernel_vm_init: adding L2 pt (VA 0xc043b000, PA 0x4043b000) for VA 
0xc9800000 (vm)
arm32_kernel_vm_init: adding L2 pt (VA 0xc043c000, PA 0x4043c000) for VA 
0xc9c00000 (vm)
Mapping kernel
arm32_kernel_vm_init: adding chunk for kernel text 0x40000000..0x40310fff (VA 
0xc0000000)
add_pages: adding pv 0xc0414538 (pa 0x40000000, va 0xc0000000, 785 pages) 
before pa 0x40430000
arm32_kernel_vm_init: adding chunk for kernel data/bss 0x40311000..0x4042ffff 
(VA 0xc0311000)
add_pages: appending pv 0xc04145c0 (0x40311000..0x4042ffff) to 
0x40000000..0x40310fff
Listing Chunks
arm32_kernel_vm_init: pv 0xc0414538: chunk VA 0xc0000000..0xc042ffff (PA 
0x40000000, prot 3, cache 1)
arm32_kernel_vm_init: pv 0xc0414560: chunk VA 0xc0430000..0xc043cfff (PA 
0x40430000, prot 3, cache 2)
arm32_kernel_vm_init: pv 0xc041454c: chunk VA 0xc043d000..0xc0448fff (PA 
0x4043d000, prot 3, cache 1)

Mapping Chunks
arm32_kernel_vm_init: mapping chunk VA 0xc0000000..0xc042ffff (PA 0x40000000, 
prot 3, cache 1)
pmap_map_chunk: pa=0x40000000 va=0xc0000000 size=0x430000 resid=0x430000 
prot=0x3 cache=1
SSSSpanic: pmap_map_chunk: no L2 table for VA 0xc0400000
undefined instruction
pc : [<c003a00c>]          lr : [<c01b996c>]
sp : c0414338  ip : c0414338     fp : c0414364
r10: c0427810  r9 : c0414384     r8 : c0426c5c
r7 : 00000104  r6 : c02da3e0     r5 : c0427810  r4 : c042782c
r3 : 00000001  r2 : 00000000     r1 : 80070000  r0 : 00000001
Flags: nZCv  IRQs off  FIQs off  Mode SVC_32
Resetting CPU ...

resetting ...