[Xperia Arc Android Development] DooMLoRD:
trying to boot CM10...

keep getting this in dmesg:

<7>[ 10.104583] yaffs: NAND geometry problems: chunk size 2048, type is yaffs2

, inband_tags 0

<3>[ 14.833282] fs_mgr: Cannot mount filesystem on mtd@system at /system

<6>[ 5.669403] yaffs: dev is 32505858 name is "mtdblock2" rw
<6>[ 5.669494] yaffs: passed flags ""
<7>[ 5.669555] yaffs: Attempting MTD mount of 31.2,"mtdblock2"
<4>[ 5.756225] mmc1: host does not support reading read-only switch. assuming
write-enable.
<6>[ 5.761260] mmc1: new high speed SDHC card at address d555
<6>[ 5.761901] mmcblk0: mmc1:d555 SU08G 7.60 GiB
<6>[ 5.765350] mmcblk0: p1
<6>[ 6.186340] bq27520 0-0055: bq27520_init_worker(): capacity=98 flags=0x39
<7>[ 6.373992] yaffs: yaffs_read_super: is_checkpointed 0
<4>[ 9.472137] init (1): /proc/1/oom_adj is deprecated, please use /proc/1/oo
m_score_adj instead.
<3>[ 9.808990] init: cannot open '/initlogo.rle'
<3>[ 9.814788] init: using deprecated syntax for specifying property 'ro.seri
alno', use ${name} instead
<6>[ 9.815704] yaffs: dev is 32505856 name is "mtdblock0" rw
<6>[ 9.815795] yaffs: passed flags ""
<7>[ 9.815887] yaffs: Attempting MTD mount of 31.0,"mtdblock0"
<7>[ 10.096954] yaffs: yaffs_read_super: is_checkpointed 1
<6>[ 10.097351] yaffs: dev is 32505858 name is "mtdblock2" rw
<6>[ 10.097473] yaffs: passed flags ""
<7>[ 10.097534] yaffs: Attempting MTD mount of 31.2,"mtdblock2"
<7>[ 10.103820] yaffs: yaffs_read_super: is_checkpointed 1
<6>[ 10.104003] yaffs: dev is 32505859 name is "mtdblock3" rw
<6>[ 10.104125] yaffs: passed flags ""
<7>[ 10.104187] yaffs: Attempting MTD mount of 31.3,"mtdblock3"
<7>[ 10.104248] Division by zero in kernel.
<7>[ 10.104309] [<8001580c>] (unwind_backtrace+0x0/0xf4) from [<8023c524>] (Ld
iv0_64+0x8/0x18)
<7>[ 10.104309] [<8023c524>] (Ldiv0_64+0x8/0x18) from [<801fe518>] (YCALCBLOCK
S+0xc/0x14)
<7>[ 10.104339] [<801fe518>] (YCALCBLOCKS+0xc/0x14) from [<80201a08>] (yaffs_i
nternal_read_super.isra.9+0x624/0xb34)
<7>[ 10.104370] [<80201a08>] (yaffs_internal_read_super.isra.9+0x624/0xb34) fr
om [<80201f30>] (yaffs2_internal_read_super_mtd+0x18/0x28)
<7>[ 10.104400] [<80201f30>] (yaffs2_internal_read_super_mtd+0x18/0x28) from [
<8011fb20>] (mount_bdev+0x128/0x1bc)
<7>[ 10.104431] [<8011fb20>] (mount_bdev+0x128/0x1bc) from [<801fe44c>] (yaffs
2_mount+0x14/0x1c)
<7>[ 10.104431] [<801fe44c>] (yaffs2_mount+0x14/0x1c) from [<801206d0>] (mount
_fs+0x10/0xd8)
<7>[ 10.104461] [<801206d0>] (mount_fs+0x10/0xd8) from [<80136828>] (vfs_kern_
mount+0x4c/0xb4)
<7>[ 10.104492] [<80136828>] (vfs_kern_mount+0x4c/0xb4) from [<80136da8>] (do_
kern_mount+0x34/0xd8)
<7>[ 10.104522] [<80136da8>] (do_kern_mount+0x34/0xd8) from [<801385d8>] (do_m
ount+0x5f8/0x688)
<7>[ 10.104522] [<801385d8>] (do_mount+0x5f8/0x688) from [<8013874c>] (sys_mou
nt+0x8c/0xd4)
<7>[ 10.104553] [<8013874c>] (sys_mount+0x8c/0xd4) from [<8000f740>] (ret_fast
_syscall+0x0/0x30)
<7>[ 10.104583] yaffs: NAND geometry problems: chunk size 2048, type is yaffs2
, inband_tags 0
<3>[ 14.833282] fs_mgr: Cannot mount filesystem on mtd@system at /system
<3>[ 14.833435] init: fs_mgr_mount_all returned an error
<6>[ 15.268646] Board Mogami HW ID: 0x0c
<3>[ 15.358520] smd_pkt_open: DATA13_CNTL open failed -19
<3>[ 15.359588] smd_pkt_open: DATA14_CNTL open failed -19
<6>[ 15.570526] warning: `rild' uses 32-bit capabilities (legacy support in us
e)
<3>[ 16.533966] wl12xx: version magic '2.6.32.9-FXP preempt mod_unload ARMv7 '
should be '3.4.0-ALPHA preempt mod_unload ARMv7 '

FYI (proof of kernel boot):

<6>[ 0.000000] Booting Linux on physical CPU 0
<5>[ 0.000000] Linux version 3.4.0-ALPHA (doomlord@doomlord-VirtualBox) (gcc version 4.7 (GCC) ) #3 PREEMPT Thu May 2 00:46:35 IST 2013
<7>[ 0.000000] CPU: ARMv7 Processor [511f00f2] revision 2 (ARMv7), cr=10c53c7d
<7>[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIVT ASID tagged instruction cache
<7>[ 0.000000] Machine: mogami
<6>[ 0.000000] Partition (from atag) system -- Offset:2e4 Size:9c4
<6>[ 0.000000] Partition (from atag) appslog -- Offset:1888 Size:42c
<6>[ 0.000000] Partition (from atag) userdata -- Offset:ca8 Size:be0
<6>[ 0.000000] Partition (from atag) cache -- Offset:1cb4 Size:32c
<6>[ 0.000000] bootconsole [earlycon0] enabled

P.S.: yes i am compiling kernel in a virtual machine :p

got CM10 to boot... seems there was a problem mounting /cache partition so i manually mounted it to same mtd as /data...

but now touchscreen is not working... will try and fix it..