RE: Kernel panic on ldp board

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> -----Original Message-----
> From: Gary Thomas [mailto:gary@xxxxxxxxxxxx]
> Sent: Thursday, May 21, 2009 8:56 AM
> To: Hald, Ulrik Bech
> Cc: linux-omap@xxxxxxxxxxxxxxx
> Subject: Re: Kernel panic on ldp board
> 
> 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
> ------------------------------------------------------------

I tried with mem=128 also, and there it just hangs when "Calibrating delay loop...". Any idea what that problem could be?

Here's my kernel trace:

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: 32768
<7>free_area_init_node: node 0, pgdat c038daf8, node_mem_map c03a9000
<7>  Normal zone: 256 pages used for memmap
<7>  Normal zone: 0 pages reserved
<7>  Normal zone: 32512 pages, LIFO batch:7
<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: 32512
<5>Kernel command line: console=ttyS2,115200n8 noinitrd mem=128 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: 512 (order: 9, 2048 bytes)
<6>OMAP clockevent source: GPTIMER1 at 32768 Hz
Console: colour dummy device 80x30
<6>Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
<6>Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
<6>Memory: 128MB = 128MB total
<5>Memory: 126036KB available (3176K code, 292K data, 132K init, 0K highmem)
<6>Calibrating delay loop...
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