#12057 NORM -: xo cl4 a2 boot halts after enabling cache

[Zarro Boogs per Child]

#12057: xo cl4 a2 boot halts after enabling cache
----------------------+-----------------------------------------------------
 Reporter:  pgf       |                 Owner:  wad      
     Type:  defect    |                Status:  new      
 Priority:  normal    |             Milestone:           
Component:  hardware  |               Version:  4-A2     
 Keywords:            |           Next_action:  never set
 Verified:  0         |   Deployment_affected:           
Blockedby:            |              Blocking:           
----------------------+-----------------------------------------------------
 two different boards (#9 and #40) sometimes stop booting at this point.
 they usually succeed after a retry.
 {{{
 Uncompressing Linux... done, booting the kernel.
 <6>Booting Linux on physical CPU 0
 <6>Initializing cgroup subsys cpu
 <5>Linux version 3.5.0-rc2-46333-ga974cd6-dirty (pgf at chalk) (gcc version
 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #93 PREEMPT Tue Aug 21 08:35:04 EDT
 2012
 CPU: ARMv7 Processor [562f5842] revision 2 (ARMv7), cr=10c5387d
 CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
 <6>Machine: Marvell MMP2 (Device Tree Support), model: 4A2
 <6>cma: CMA: reserved 64 MiB at 28000000
 Memory policy: ECC disabled, Data cache writeback
 <7>On node 0 totalpages: 524288
 <7>free_area_init_node: node 0, pgdat c04f1cc8, node_mem_map c056d000
 <7>  Normal zone: 1520 pages used for memmap
 <7>  Normal zone: 0 pages reserved
 <7>  Normal zone: 193040 pages, LIFO batch:31
 <7>  HighMem zone: 2576 pages used for memmap
 <7>  HighMem zone: 327152 pages, LIFO batch:31
 <7>pcpu-alloc: s0 r0 d32768 u32768 alloc=1*32768<c>
 <7>pcpu-alloc: <c>[0] <c>0 <c>
 Built 1 zonelists in Zone order, mobility grouping on.  Total pages:
 520192
 <5>Kernel command line: root=/dev/mmcblk0p2 rootwait console=ttyS2,115200
 console=tty0 selinux=0 fbcon=font:SUN12x22 root=/dev/mmcblk1p2 rootwait
 debug console=ttyS2,115200 console=tty0 selinux=0 fbcon=font:SUN12x22
 <6>PID hash table entries: 4096 (order: 2, 16384 bytes)
 <6>Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
 <6>Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
 <6>Memory: 2048MB = 2048MB total
 <5>Memory: 2008640k/2008640k available, 88512k reserved, 1318912K highmem
 <5>Virtual kernel memory layout:
     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
     fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
     vmalloc : 0xf0000000 - 0xff000000   ( 240 MB)
     lowmem  : 0xc0000000 - 0xef800000   ( 760 MB)
     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
       .text : 0xc0008000 - 0xc04a3668   (4718 kB)
       .init : 0xc04a4000 - 0xc04c8000   ( 144 kB)
       .data : 0xc04c8000 - 0xc04f7a30   ( 191 kB)
        .bss : 0xc04f7a54 - 0xc056c10c   ( 466 kB)
 <6>NR_IRQS:16 nr_irqs:16 16
 <6>sched_clock: 32 bits at 6MHz, resolution 153ns, wraps every 660764ms
 <6>Console: colour dummy device 80x30
 <6>console [tty0] enabled
 <6>Calibrating delay loop... <c>795.44 BogoMIPS (lpj=3977216)
 <6>pid_max: default: 32768 minimum: 301
 <6>Mount-cache hash table entries: 512
 <6>CPU: Testing write buffer coherency: ok
 <6>Setting up static identity map for 0x36c4a0 - 0x36c4f8
 <6>devtmpfs: initialized
 <6>NET: Registered protocol family 16
 <6>DMA: preallocated 256 KiB pool for atomic coherent allocations
 <6>Tauros2: Disabling L2 prefetch.
 <6>Tauros2: Enabling L2 cache.
 <6>Tauros2: L2 cache support initialised in ARMv7 mode.

 }}}

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Ticket URL: <http://dev.laptop.org/ticket/12057>
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