[Xperia Arc General] hillbeast:
Logs as promised from LT18i (running FXP CM10)

VBus is low, SoftService is not asserted...
HW_REVISION_NUMBER = 0x2057a0e1
SEMCSEC Secure Bootstrap "1241-3656 S1Boot MSM7230 CRH1099189_R9B031" (2011-11-30 14:34)
Platform startup reason: PWRKEY
BQ charger detected
Detected memories on MSM8255_1.4GHz-0 rev 2 ASIC:
EBI0 CS0: Elpida 256MB LPDDR2 (SR 0x5103), IO Calibration Done
EBI1 CS0: Elpida 256MB LPDDR2 (SR 0x5103), IO Calibration Done
EBI2 CS0: Micron 1024MB NAND (0x2c 0xb3 0x00)
OTP User segment locked
OTP User segment locked
TA @ 0x08100000 (8*128kB)
Hardware Config: verification OK
OTP User segment locked
MSN=xxx IMEI=xxx Model=LT18i SW=1246-7916_4.1.B.0.431
Service Mode Config From TA (ver 1.0): KEYS:1 USB:eek:N SERVICEMODE:USB SERVICE_PIN:ENABLED
Modem cold start
No Service Mode detected.
Configuring long press:800
plf_bootos MSM7x30/8x55
TCB_VerifyASAHISignature hashLength=[0x14] ASAHILength=[0x23f]
TCB_VerifyASAHISignature: S1_VerifySignature OK
Partition table contents:
PartID Descr Attribs StartBlock NumBlocks UsedAs
0x00000001 S1Boot 0x00000022 0x00000000 0x00000001
0x00000002 TA 0x00000001 0x00000008 0x00000008
0x00000008 AppDSP 0x40000022 0x0000015c 0x0000006c aDSP image
0x00000006 ModemFS 0x40000001 0x000000f4 0x00000068 mARM-FS image
0x00000005 ModemSW 0x40000022 0x00000010 0x000000e4 mARM image
0x00000003 Linux 0x80000022 0x00000280 0x00000064 aARM image
0x00000004 AppsFS1 0x80000001 0x000002f4 0x00000c80 system image
0x00000010 AppLog 0x80000001 0x00000f74 0x00000030 appslog image
0x0000000f AppsFS3 0xc0000001 0x00000fa4 0x0000032c cache image
0x0000000b FOTA0 0x40000022 0x000001c8 0x0000005c
0x0000000c FOTA1 0x40000022 0x00000224 0x0000005c
0x00000009 AppsFS2 0x80000001 0x000012d0 0x00000d20 userdata image
Fastboot emulation not selected
ARM ELF image (0x0028), entry point @ 0x04700000
ARM ELF image (0x0028), entry point @ 0x03e00000
SIN Verification of aARM failed!
ARM ELF image (0x0028), entry point @ 0x00208000
plf_ta_cmd_params()
Boot parameters found in config data
Commandline:totalmem=0x200 startup=0x00000001 serialno=xxx bt0.ieee_addr=30:39:26:a6:f8:86 wifi0.eth_addr=30:39:26:b9:37:7e.
Warmboot address calculated: 0x00200000
Longpress OK - starting up
EBI0 MPU Partition 0 start:0x03e00000 end:0x04328530
EBI1 MPU Partition 0 start:0x04700000 end:0x0694a000
EBI1 MPU Partition 1 start:0x04500000 end:0x04700000
EBI1 MPU Partition 2 start:0x00080000 end:0x00100000
EBI1 MPU Partition 3 start:0x00000000 end:0x00080000
NAND MPU Partition 0 start:0x00000280 end:0x00001ff0
NAND MPU Partition 1 start:0x00000fa4 end:0x000012d0
AXIGE_MPU_PART0_START MS:0x0000007c LS:0x00000000
AXIGE_MPU_PART0_END MS:0x00000086 LS:0x00005000
AXIGS_MPU_PART0_START MS:0x0000008e LS:0x00000000
AXIGS_MPU_PART0_END MS:0x000000d2 LS:0x00009400
AXIGS_MPU_PART1_START MS:0x0000008a LS:0x00000000
AXIGS_MPU_PART1_END MS:0x0000008e LS:0x00000000
AXIGS_MPU_PART2_START MS:0x00000001 LS:0x00000000
AXIGS_MPU_PART2_END MS:0x00000002 LS:0x00000000
AXIGS_MPU_PART3_START MS:0x00000000 LS:0x00000000
AXIGS_MPU_PART3_END MS:0x00000001 LS:0x00000000
Epic Qualcomm failure workaround activated
(that means firewalling SMEM)
FPB3_MPU_PART_START START:0x2b200000 END:0x2b300000
NAND MPU ON according to partition table
TCB_SetAlloc
TCB_SetFree
TCB_SetReAlloc
Jumping to code @ 0x04700000, goodbye and thanks for all the fish...
Uncompressing Linux......................................................................................................................................................................................................................................................................... done, booting the kernel.
Initializing cgroup subsys cpu
Linux version 2.6.32.9-FXP (root@ubuntu) (gcc version 4.4.3 (GCC) ) #1 PREEMPT Sat Jan 26 20:54:33 EET 2013
CPU: ARMv7 Processor [511f00f2] revision 2 (ARMv7), cr=10c53c7f
CPU: VIPT nonaliasing data cache, VIVT ASID tagged instruction cache
Machine: mogami
Partition (from atag) system -- Offset:2f4 Size:c80
Partition (from atag) appslog -- Offset:f74 Size:30
Partition (from atag) cache -- Offset:fa4 Size:32c
Partition (from atag) userdata -- Offset:12d0 Size:d20
Memory policy: ECC disabled, Data cache writeback
On node 0 totalpages: 117760
Normal zone: 2556 pages used for memmap
Normal zone: 0 pages reserved
Normal zone: 115204 pages, LIFO batch:31
allocating 31457280 bytes at 8128f000 (148f000 physical) for sf pmem arena
allocating 4976640 bytes at 8308f000 (328f000 physical) for fb
allocating 49283072 bytes at 86e00000 (7000000 physical) for adsp pmem arena
allocating 6291456 bytes at 89e00000 (a000000 physical) for kernel ebi1 pmem arena
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 115204
Kernel command line: console=ttyMSM2,115200n8 androidboot.hardware=semc totalmem=0x200 startup=0x00000001 serialno=xxx bt0.ieee_addr=30:39:26:a6:f8:86 wifi0.eth_addr=30:39:26:b9:37:7e
USB serial number: 4258393033315252425A
PID hash table entries: 2048 (order: 1, 8192 bytes)
Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
Memory: 60MB 144MB 256MB = 460MB total
Memory: 364160k/364632k available, 106408k reserved, 0K highmem
Virtual kernel memory layout:
vector : 0xffff0000 - 0xffff1000 ( 4 kB)
fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
vmalloc : 0xd0000000 - 0xf0000000 ( 512 MB)
lowmem : 0x80000000 - 0xcfe00000 (1278 MB)
modules : 0x7f000000 - 0x80000000 ( 16 MB)
.init : 0x80008000 - 0x80038000 ( 192 kB)
.text : 0x80038000 - 0x8076b000 (7372 kB)
.data : 0x807de000 - 0x80837398 ( 357 kB)
Hierarchical RCU implementation.
NR_IRQS:566
Console: colour dummy device 80x30

It continues on, but that's all stuff anyone can get from dmesg.

Logs from kernel 3.4:

VBus is high, SoftService is not asserted...
HW_REVISION_NUMBER = 0x2057a0e1
SEMCSEC Secure Bootstrap "1241-3656 S1Boot MSM7230 CRH1099189_R9B031" (2011-11-30 14:34)
Platform startup reason: USB
BQ charger detected
Detected memories on MSM8255_1.4GHz-0 rev 2 ASIC:
EBI0 CS0: Elpida 256MB LPDDR2 (SR 0x5103), IO Calibration Done
EBI1 CS0: Elpida 256MB LPDDR2 (SR 0x5103), IO Calibration Done
EBI2 CS0: Micron 1024MB NAND (0x2c 0xb3 0x00)
OTP User segment locked
OTP User segment locked
TA @ 0x08100000 (8*128kB)
Hardware Config: verification OK
OTP User segment locked
MSN=xxx IMEI=xxx Model=LT18i SW=1246-7916_4.1.B.0.431
Service Mode Config From TA (ver 1.0): KEYS:1 USB:eek:N SERVICEMODE:USB SERVICE_PIN:ENABLED
Modem reboot reason: 0x77665500 (Fastboot)
No Service Mode detected.
Configuring long press:800
plf_bootos MSM7x30/8x55
TCB_VerifyASAHISignature hashLength=[0x14] ASAHILength=[0x23f]
TCB_VerifyASAHISignature: S1_VerifySignature OK
Partition table contents:
PartID Descr Attribs StartBlock NumBlocks UsedAs
0x00000001 S1Boot 0x00000022 0x00000000 0x00000001
0x00000002 TA 0x00000001 0x00000008 0x00000008
0x00000008 AppDSP 0x40000022 0x0000015c 0x0000006c aDSP image
0x00000006 ModemFS 0x40000001 0x000000f4 0x00000068 mARM-FS image
0x00000005 ModemSW 0x40000022 0x00000010 0x000000e4 mARM image
0x00000003 Linux 0x80000022 0x00000280 0x00000064 aARM image
0x00000004 AppsFS1 0x80000001 0x000002f4 0x00000c80 system image
0x00000010 AppLog 0x80000001 0x00000f74 0x00000030 appslog image
0x0000000f AppsFS3 0xc0000001 0x00000fa4 0x0000032c cache image
0x0000000b FOTA0 0x40000022 0x000001c8 0x0000005c
0x0000000c FOTA1 0x40000022 0x00000224 0x0000005c
0x00000009 AppsFS2 0x80000001 0x000012d0 0x00000d20 userdata image
Simlock verification succeeded.
Fastboot emulation start, VID=0x0fce PID=0x0dde
Waiting for host to connect...
Connected
Got 'download:006cf800' - Sending 'DATA006cf800'
Receiving - Received 0x006cf800 bytes - Sending 'INFOUSB download speed was 9716kB/s'
Sending 'OKAY'
Got 'boot' - Sending 'INFODownload buffer format: boot IMG'

File alignment: 0x00000800 bytes
Kernel size 0x00440228, load @ 0x00208000
Ramdisk size 0x0028e539, load @ 0x01200000
2nd size 0x00000000, load @ 0x00000000
Sending 'OKAY'
Exiting Fastboot emulation
ARM ELF image (0x0028), entry point @ 0x04700000
ARM ELF image (0x0028), entry point @ 0x03e00000
SIN Verification of aARM failed!
ARM ELF image (0x0028), entry point @ 0x00208000
Warning, ignoring PH entry with non-LOAD type 0x00000004
plf_ta_cmd_params()
Boot parameters found in config data
Commandline:totalmem=0x200 startup=0x00000020 serialno=xxx bt0.ieee_addr=30:39:26:a6:f8:86 wifi0.eth_addr=30:39:26:b9:37:7e.
Warmboot address calculated: 0x00200000
EBI0 MPU Partition 0 start:0x03e00000 end:0x04328530
EBI1 MPU Partition 0 start:0x04700000 end:0x0694a000
EBI1 MPU Partition 1 start:0x04500000 end:0x04700000
EBI1 MPU Partition 2 start:0x00080000 end:0x00100000
EBI1 MPU Partition 3 start:0x00000000 end:0x00080000
NAND MPU Partition 0 start:0x00000280 end:0x00001ff0
NAND MPU Partition 1 start:0x00000fa4 end:0x000012d0
AXIGE_MPU_PART0_START MS:0x0000007c LS:0x00000000
AXIGE_MPU_PART0_END MS:0x00000086 LS:0x00005000
AXIGS_MPU_PART0_START MS:0x0000008e LS:0x00000000
AXIGS_MPU_PART0_END MS:0x000000d2 LS:0x00009400
AXIGS_MPU_PART1_START MS:0x0000008a LS:0x00000000
AXIGS_MPU_PART1_END MS:0x0000008e LS:0x00000000
AXIGS_MPU_PART2_START MS:0x00000001 LS:0x00000000
AXIGS_MPU_PART2_END MS:0x00000002 LS:0x00000000
AXIGS_MPU_PART3_START MS:0x00000000 LS:0x00000000
AXIGS_MPU_PART3_END MS:0x00000001 LS:0x00000000
Epic Qualcomm failure workaround activated
(that means firewalling SMEM)
FPB3_MPU_PART_START START:0x2b200000 END:0x2b300000
NAND MPU ON according to partition table
TCB_SetAlloc
TCB_SetFree
TCB_SetReAlloc
Jumping to code @ 0x04700000, goodbye and thanks for all the fish...
Uncompressing Linux... done, booting the kernel.
[ 0.000000] Booting Linux on physical CPU 0
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Linux version 3.4.0-perf-g03025f0-dirty (hillbeast@carbuncle) (gcc version 4.6.2 20120613 (release) [ARM/embedded-4_6-branch revision 188521] (GNU Tools for ARM Embedded Processors) ) #Test PREEMPT Thu Feb 14 22:18:27 NZDT 2013
[ 0.000000] CPU: ARMv7 Processor [511f00f2] revision 2 (ARMv7), cr=10c53c7d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIVT ASID tagged instruction cache
[ 0.000000] Machine: mogami
[ 0.000000] Ignoring unrecognised tag 0x00000000
[ 0.000000] bootconsole [earlycon0] enabled
[ 0.000000] memory pool 2 (start bd00000 size 4300000) initialized
[ 0.000000] Memory policy: ECC disabled, Data cache writeback
[ 0.000000] socinfo_init: Can't find SMEM_HW_SW_BUILD_ID; falling back on dummy values.
[ 0.000000] ------------[ cut here ]------------
[ 0.000000] WARNING: at arch/arm/mach-msm/socinfo.c:763 socinfo_init+0x124/0x3f8()
[ 0.000000] Unknown SOC ID!
[ 0.000000] Modules linked in:
[ 0.000000] [<c0013950>] (unwind_backtrace+0x0/0x11c) from [<c00a5c88>] (warn_slowpath_common+0x4c/0x64)
[ 0.000000] [<c00a5c88>] (warn_slowpath_common+0x4c/0x64) from [<c00a5d20>] (warn_slowpath_fmt+0x2c/0x3c)
[ 0.000000] [<c00a5d20>] (warn_slowpath_fmt+0x2c/0x3c) from [<c0845aa0>] (socinfo_init+0x124/0x3f8)
[ 0.000000] [<c0845aa0>] (socinfo_init+0x124/0x3f8) from [<c0848fb4>] (msm7x30_map_io+0x18/0x3c)
[ 0.000000] [<c0848fb4>] (msm7x30_map_io+0x18/0x3c) from [<c0843714>] (paging_init+0x5f4/0x808)
[ 0.000000] [<c0843714>] (paging_init+0x5f4/0x808) from [<c0840b50>] (setup_arch+0x530/0x858)
[ 0.000000] [<c0840b50>] (setup_arch+0x530/0x858) from [<c083d500>] (start_kernel+0x74/0x3c4)
[ 0.000000] [<c083d500>] (start_kernel+0x74/0x3c4) from [<0000803c>] (0x803c)
[ 0.000000] ---[ end trace 1b75b31a2719ed1c ]---
[ 0.000000] socinfo_init: SOC ID: 0
[ 0.000000] socinfo_init: v1, id=0, ver=0.1