This does not happen on -25.40

Starting kernel ...

Booting Linux on physical CPU 0
Linux version 3.2.0-25-highbank (buildd@nihal) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #40-Ubuntu SMP PREEMPT Thu May 24 00:18:11 UTC 2012 (Ubuntu 3.2.0-25.40-highbank 3.2.18)
CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=10c5387d
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine: Highbank, model: Calxeda Highbank
Memory policy: ECC disabled, Data cache writealloc
PERCPU: Embedded 7 pages/cpu @c3410000 s5248 r8192 d15232 u32768
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 1037583
Kernel command line: console=ttyAMA0 root=UUID=b369bf8b-1985-4845-a9c6-e6c84921b0fa nosplash earlyprintk
PID hash table entries: 4096 (order: 2, 16384 bytes)
Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
Memory: 4089MB = 4089MB total
Memory: 4142428k/4142428k available, 44708k reserved, 3288064K highmem
Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    vmalloc : 0xf7000000 - 0xfee00000   ( 126 MB)
    lowmem  : 0xc0000000 - 0xf6e00000   ( 878 MB)
    pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
    modules : 0xbf000000 - 0xbfe00000   (  14 MB)
      .text : 0xc0008000 - 0xc0475cf0   (4536 kB)
      .init : 0xc0476000 - 0xc049c480   ( 154 kB)
      .data : 0xc049e000 - 0xc04c21c0   ( 145 kB)
       .bss : 0xc04c21e4 - 0xc04f7b10   ( 215 kB)
SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
Preemptible hierarchical RCU implementation.
NR_IRQS:192
L310 cache controller enabled
l2x0: 16 ways, CACHE_ID 0x420000c8, AUX_CTRL 0x020b0000, Cache size: 4194304 B
Console: colour dummy device 80x30
Calibrating delay loop... 398.13 BogoMIPS (lpj=1990656)
pid_max: default: 32768 minimum: 301
Security Framework initialized
AppArmor: AppArmor initialized
Yama: becoming mindful.
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
CPU0: thread -1, cpu 0, socket 9, mpidr 80000900
Calibrating local timer... 49.97MHz.
hw perfevents: enabled with ARMv7 Cortex-A9 PMU driver, 7 counters available
Setting up static identity map for 0x368388 - 0x3683d0
CPU1: Booted secondary processor
CPU1: thread -1, cpu 1, socket 9, mpidr 80000901
CPU1: Unknown IPI message 0x0
CPU2: Booted secondary processor
CPU2: thread -1, cpu 2, socket 9, mpidr 80000902
CPU2: Unknown IPI message 0x0
CPU3: Booted secondary processor
CPU3: thread -1, cpu 3, socket 9, mpidr 80000903
Brought up 4 CPUs
SMP: Total of 4 processors activated (1592.52 BogoMIPS).
CPU3: Unknown IPI message 0x0
devtmpfs: initialized
NET: Registered protocol family 16
Unpacking initramfs...
hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
hw-breakpoint: maximum watchpoint size is 4 bytes.
Serial: AMBA PL011 UART driver
fff36000.serial: ttyAMA0 at MMIO 0xfff36000 (irq = 52) is a PL011 rev3
console [ttyAMA0] enabled
bio: create slab <bio-0> at 0
SCSI subsystem initialized
NetLabel: Initializing
NetLabel:  domain hash size = 128
NetLabel:  protocols = UNLABELED CIPSOv4
NetLabel:  unlabeled traffic allowed by default
Switching to clocksource timer1
AppArmor: AppArmor Filesystem Enabled
NET: Registered protocol family 2
IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
TCP bind hash table entries: 65536 (order: 7, 786432 bytes)
TCP: Hash tables configured (established 131072 bind 65536)
TCP reno registered
UDP hash table entries: 512 (order: 2, 16384 bytes)
UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
NET: Registered protocol family 1
audit: initializing netlink socket (disabled)
type=2000 audit(0.640:1): initialized
Freeing initrd memory: 1748K
highmem bounce pool size: 64 pages
VFS: Disk quotas dquot_6.5.2
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
msgmni has been set to 1672
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 253)
io scheduler noop registered
io scheduler deadline registered
io scheduler cfq registered (default)
dma-pl330 fff3d000.dma: Cannot get operation clock.
dma-pl330: probe of fff3d000.dma failed with error -22
uart-pl011 fff36000.serial: no DMA platform data
ipmi message handler version 39.2
ipmi_si fff3a000.smic: probing via device tree
ipmi_si: Adding device-tree-specified smic state machine
IPMI System Interface driver.
ipmi_si: Trying device-tree-specified smic state machine at mem address 0xfff3a000, slave address 0x0, irq 56
ipmi_si fff3a000.smic: Using irq 56
ipmi_si fff3a000.smic: Found new BMC (man_id: 0x000444, prod_id: 0x0000, dev_id: 0x00)
ipmi_si fff3a000.smic: IPMI smic interface initialized
ahci: SSS flag set, parallel bus scan disabled
ahci ffe08000.sata: AHCI 0001.0300 32 slots 5 ports 3 Gbps 0x1f impl platform mode
ahci ffe08000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst 
scsi0 : ahci_platform
scsi1 : ahci_platform
scsi2 : ahci_platform
scsi3 : ahci_platform
scsi4 : ahci_platform
ata1: SATA max UDMA/133 mmio [mem 0xffe08000-0xffe17fff] port 0x100 irq 115
ata2: SATA max UDMA/133 mmio [mem 0xffe08000-0xffe17fff] port 0x180 irq 115
ata3: SATA max UDMA/133 mmio [mem 0xffe08000-0xffe17fff] port 0x200 irq 115
ata4: SATA max UDMA/133 mmio [mem 0xffe08000-0xffe17fff] port 0x280 irq 115
ata5: SATA max UDMA/133 mmio [mem 0xffe08000-0xffe17fff] port 0x300 irq 115
calxedaxgmac fff50000.ethernet: (unregistered net_device): h/w version is 0x1012
calxedaxgmac fff51000.ethernet: (unregistered net_device): h/w version is 0x1012
mousedev: PS/2 mouse device common for all mice
input: ipc-keys.2 as /devices/soc.0/ipc-keys.2/input/input0
rtc-pl031 fff35000.rtc: rtc core: registered pl031 as rtc0
device-mapper: ioctl: 4.22.0-ioctl (2011-10-19) initialised: <email address hidden>
sdhci: Secure Digital Host Controller Interface driver
sdhci: Copyright(c) Pierre Ossman
sdhci-pltfm: SDHCI platform and OF driver helper
oprofile: using arm/armv7-ca9
TCP cubic registered
NET: Registered protocol family 10
NET: Registered protocol family 17
Registering the dns_resolver key type
VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
Registering SWP/SWPB emulation handler
rtc-pl031 fff35000.rtc: setting system clock to 2012-08-09 07:57:31 UTC (1344499051)
ata1: SATA link down (SStatus 0 SControl 300)
ata2: SATA link down (SStatus 0 SControl 300)
ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
ata3.00: ATA-8: Hitachi HTS727550A9E364, JF3OA0D0, max UDMA/133
ata3.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32)
ata3.00: configured for UDMA/133
scsi 2:0:0:0: Direct-Access     ATA      Hitachi HTS72755 JF3O PQ: 0 ANSI: 5
sd 2:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/465 GiB)
sd 2:0:0:0: [sda] 4096-byte physical blocks
sd 2:0:0:0: [sda] Write Protect is off
sd 2:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
 sda: sda1 sda2 sda3 < sda5 >
sd 2:0:0:0: [sda] Attached SCSI disk
ata4: SATA link down (SStatus 0 SControl 300)
ata5: SATA link down (SStatus 0 SControl 300)
Freeing init memory: 152K
Loading, please wait...
udevd[66]: starting version 175
Begin: Loading essential drivers ... done.
Begin: Running /scripts/init-premount ... done.
Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done.
Begin: Running /scripts/local-premount ... done.
EXT4-fs (sda2): mounted filesystem with ordered data mode. Opts: (null)
Begin: Running /scripts/local-bottom ... done.
done.
Begin: Running /scripts/init-bottom ... done.
init: ureadahead main process (160) terminated with status 5

Ubuntu 12.04 LTS c01 ttyAMA0

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