Re: Kernel panic on ldp board

[Gary Thomas <gary@mlbassoc.com>]

Hald, Ulrik Bech wrote:
> Hi,
> 
> When booting on ldp (zoom1), I am seeing a kernel panic. I am using latest kernel built from L-O master at:
> 
> OMAP: sDMA: Correct the the omap_request_dma_chain() signature
> 0b2ce840c9fb58cf489bfdfc2d77f99a09a5dca3
> 
> Any one having any idea as to why? Here's my boot trace
> 
> ## Booting image at 80000000 ...
>    Image Name:   Linux-2.6.30-rc6-omap1-05706-g0b
>    Image Type:   ARM Linux Kernel Image (uncompressed)
>    Data Size:    1843272 Bytes =  1.8 MB
>    Load Address: 80008000
>    Entry Point:  80008000
>    Verifying Checksum ... OK
> OK
> 
> Starting kernel ...
> 
> Uncompressing Linux.................................................................................................................... don.
> <5>Linux version 2.6.30-rc6-omap1-05706-g0b2ce84 (a0389051@a0389051-ubuntu) (gcc version 4.2.1 (CodeSourcery Sourcery G++ Lite 2007q3-51)) 9
> CPU: ARMv7 Processor [411fc082] revision 2 (ARMv7), cr=10c5387f
> CPU: VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
> Machine: OMAP LDP board
> Memory policy: ECC disabled, Data cache writeback
> <7>On node 0 totalpages: 65536
> <7>free_area_init_node: node 0, pgdat c038daf8, node_mem_map c03aa000
> <7>  Normal zone: 512 pages used for memmap
> <7>  Normal zone: 0 pages reserved
> <7>  Normal zone: 65024 pages, LIFO batch:15
> <6>OMAP3430 ES2.1
> <6>SRAM: Mapped pa 0x40200000 to va 0xd7000000 size: 0x100000
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 65024
> <5>Kernel command line: console=ttyS2,115200n8 noinitrd mem=256M root=/dev/nfs rw nfsroot=128.247.85.232:/home/a0389051/omap3430/filesystemp
> <6>NR_IRQS:402
> <6>Clocking rate (Crystal/DPLL/ARM core): 26.0/332/500 MHz
> <6>GPMC revision 5.0
> <6>IRQ: Found an INTC at 0xd8200000 (revision 4.0) with 96 interrupts
> <6>Total of 96 interrupts on 1 active controller
> <6>OMAP34xx GPIO hardware version 2.5
> PID hash table entries: 1024 (order: 10, 4096 bytes)
> <6>OMAP clockevent source: GPTIMER1 at 32768 Hz
> Console: colour dummy device 80x30
> <6>Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
> <6>Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
> <6>Memory: 256MB = 256MB total
> <5>Memory: 255872KB available (3176K code, 292K data, 132K init, 0K highmem)
> <1>Unhandled fault: external abort on non-linefetch (0x1008) at 0xcf80000c
> Internal error: : 1008 [#1]
> Modules linked in:
> CPU: 0    Not tainted  (2.6.30-rc6-omap1-05706-g0b2ce84 #1)
> PC is at cache_alloc_refill+0x3f4/0x4f4
> LR is at 0x0
> pc : [<c00929e0>]    lr : [<00000000>]    psr: 80000153
> sp : c035ff28  ip : 00000002  fp : 000080d0
> r10: 000000d0  r9 : 00000010  r8 : c037612c
> r7 : c0023808  r6 : 00000000  r5 : cf800000  r4 : cf800000
> r3 : 00000028  r2 : 00000000  r1 : c059a020  r0 : c059a000
> Flags: Nzcv  IRQs on  FIQs off  Mode SVC_32  ISA ARM  Segment kernel
> Control: 10c5387f  Table: 80004019  DAC: 00000017
> Process swapper (pid: 0, stack limit = 0xc035e2e0)
> Stack: (0xc035ff28 to 0xc0360000)
> ff20:                   c037612c 00000020 c00238a4 60000153 c0376110 c037612c 
> ff40: 000080d0 00000020 411fc082 00000008 c0300876 c0092c10 00000000 c0376110 
> ff60: 00000020 00042000 00000020 c00937f4 00000000 c03b1540 0000fa25 00000002 
> ff80: c038e378 c0022e6b c0361ca0 00000000 c0023808 c0376184 c0376110 c0376184 
> ffa0: 411fc082 0000001f 00000000 c00129c4 00000000 c0376148 00000000 00000040 
> ffc0: c0022eec c038e240 c0022ee8 c0361ca0 8002106c c0008a84 c00084e8 00000000 
> ffe0: 00000000 c0022eec 00000000 10c5387d c038e324 80008034 00000000 00000000 
> [<c00929e0>] (cache_alloc_refill+0x3f4/0x4f4) from [<c0092c10>] (kmem_cache_alloc+0x5c/0x94)
> [<c0092c10>] (kmem_cache_alloc+0x5c/0x94) from [<c00937f4>] (kmem_cache_create+0x1ec/0x438)
> [<c00937f4>] (kmem_cache_create+0x1ec/0x438) from [<c00129c4>] (kmem_cache_init+0x14c/0x310)
> [<c00129c4>] (kmem_cache_init+0x14c/0x310) from [<c0008a84>] (start_kernel+0x1d0/0x284)
> [<c0008a84>] (start_kernel+0x1d0/0x284) from [<80008034>] (0x80008034)
> Code: e1a06003 e1a05004 ea000009 e598203c (e594100c) 
> <4>---[ end trace 1b75b31a2719ed1c ]---
> <0>Kernel panic - not syncing: Attempted to kill the idle task!

Incorrect command line - the LDP1 only has 128M

One has to be careful when using the instructions from the Wiki
  https://omapzoom.org/gf/project/omapandroid/wiki/?pagename=Installing+the+System
These have been tailored to the Zoom2 and are only close for Zoom1

-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
------------------------------------------------------------