[HD2 Android Q&A, Help & Troubleshooting and Genera] DarrenNewsgroup:
I am still unclear, however, you suggest it is to help get the phone to boot. My phone boots into HyperDroid OK. Here is my bad block output from "adb shell dmesg". Does this shed any more light on my issue?

<5>[ 5.446289] Creating 6 MTD partitions on "msm_nand":
<5>[ 5.446319] 0x000004320000-0x000004420000 : "misc"
<5>[ 5.447387] 0x000004420000-0x000004840000 : "recovery"
<5>[ 5.449951] 0x000004840000-0x000004d40000 : "boot"
<5>[ 5.453002] 0x000004d40000-0x00000c540000 : "system"
<6>[ 5.476898] msmfb: full update completed
<6>[ 5.476959] msmfb: turning on panel
<6>[ 5.476989] lcdc_unblank: ()
<6>[ 5.476989] auo_panel_unblank
<5>[ 5.535797] 0x00000c540000-0x00000f240000 : "cache"
<5>[ 5.559570] 0x00000f240000-0x00001e800000 : "userdata"
<4>[ 5.567230] ###BAD BLOCK 2054 100C0000###
<5>[ 5.687438] Creating 1 MTD partitions on "msm_nand":
<5>[ 5.687469] 0x000003f20000-0x000003f40000 : "mac"

and a bit later on

<6>[ 6.244781] yaffs: dev is 32505859 name is "mtdblock3"
<6>[ 6.244842] yaffs: passed flags ""
<4>[ 6.244873] yaffs: Attempting MTD mount on 31.3, "mtdblock3"
<4>[ 6.401672] yaffs: restored from checkpoint
<4>[ 6.402008] yaffs_read_super: isCheckpointed 1
<6>[ 6.402252] yaffs: dev is 32505861 name is "mtdblock5"
<6>[ 6.402282] yaffs: passed flags ""
<4>[ 6.402282] yaffs: Attempting MTD mount on 31.5, "mtdblock5"
<6>[ 6.430053] android_usb gadget: high speed config #1: android
<6>[ 6.430267] ums: set state 1
<4>[ 6.731079] ###BAD BLOCK 2054 100C0000###
<4>[ 6.731109] block 117 is bad
<4>[ 8.622344] @@@ SD power 17 @@@
<4>[ 8.691619] @@@ SD power 15 @@@
<4>[ 8.990783] mmc1: high speed mode max_dtr = 50000000
<4>[ 8.991149] mmc1: host does not support reading read-only switch. assuming write-enable.
<6>[ 8.991210] mmc1: new high speed SDHC card at address b368
<6>[ 8.991607] mmcblk0: mmc1:b368 SDU16 14.9 GiB
<4>[ 8.991973] check_partition: Allocate memory for SD/eMMC card partition description (Once)
<6>[ 8.992004] mmcblk0: p1 p2
<4>[ 18.163238] Partially written block 1054 detected
<4>[ 18.163482] Partially written block 1054 detected
<4>[ 18.163665] Partially written block 1054 detected
<4>[ 18.163879] Partially written block 1054 detected
<4>[ 18.164093] Partially written block 1054 detected
<4>[ 18.164276] Partially written block 1054 detected
<4>[ 18.164489] Partially written block 1054 detected
<4>[ 18.164703] Partially written block 1054 detected
<4>[ 18.164886] Partially written block 1054 detected
<4>[ 18.165100] Partially written block 1054 detected
<4>[ 18.165283] Partially written block 1054 detected
<4>[ 18.165496] Partially written block 1054 detected
<4>[ 18.165710] Partially written block 1054 detected
<4>[ 18.165893] Partially written block 1054 detected
<4>[ 18.166107] Partially written block 1054 detected
<4>[ 18.166290] Partially written block 1054 detected
<4>[ 18.166503] Partially written block 1054 detected
<4>[ 18.166717] Partially written block 1054 detected
<4>[ 18.166900] Partially written block 1054 detected
<4>[ 18.167114] Partially written block 1054 detected
<4>[ 18.167327] Partially written block 1054 detected
<4>[ 18.167510] Partially written block 1054 detected
<4>[ 18.167724] Partially written block 1054 detected
<4>[ 18.167907] Partially written block 1054 detected
<4>[ 18.168121] Partially written block 1054 detected
<4>[ 18.168334] Partially written block 1054 detected
<4>[ 18.168518] Partially written block 1054 detected
<4>[ 18.168731] Partially written block 1054 detected
<4>[ 18.168914] Partially written block 1054 detected
<4>[ 18.169128] Partially written block 1054 detected
<4>[ 18.169342] Partially written block 1054 detected
<4>[ 18.169525] Partially written block 1054 detected
<4>[ 18.169738] Partially written block 1054 detected
<4>[ 18.169952] Partially written block 1054 detected
<4>[ 26.533782] yaffs_read_super: isCheckpointed 0
<6>[ 26.534027] yaffs: dev is 32505860 name is "mtdblock4"

Thanks

Darren .)