[XPERIA X10 Q&A, Help & Troubleshooting] DrInsane:
I successfully got CM7 on my X10a, I'm now trying to upgrade to CM9.

I'm trying to flash the kernel from http://xdaforums.com/showthread.php?t=1987130

but it was stuck on

28/029/2013 18:29:16 - INFO - <- This level is successfully initialized

28/029/2013 18:29:16 - INFO - Flashtool Version 0.9.11.0 built on 2013-06-04 22:50:00

28/029/2013 18:29:20 - INFO - Device connected in flash mode

28/029/2013 18:29:38 - INFO - Selected X10 / 1 / SCRITCH007-BootManager-v1

28/029/2013 18:29:38 - INFO - Preparing files for flashing

28/029/2013 18:29:38 - INFO - Please connect your device into flashmode.

28/029/2013 18:29:39 - INFO - Opening device for R/W

28/029/2013 18:29:39 - INFO - Reading device information

Checked the bootloader unlock with S1tool and got Welcome to S1 tool.

RUNNING S1_EROM VER "R8A033"

SOFTWARE AID: 0001

LOADER AID: 0001

FLASH ID: "002C/00B3"

LOADER VERSION: "R4A024"

MODEL (from GDFS): X10a

SOFTWARE VERSION: 1227-4612_3.0.1.G.0.75

CUSTOM VERSION: 1233-6929_R1C

FILESYSTEM VERSION: ROGERS-1-2-5-6_3.0.1.G.0.75

SERIAL NO: CB511K67KV

SEMC SIMLOCK CERTIFICATE

Elapsed:16 secs.

Then tried to unlock the bootloader again with flashtool

28/034/2013 18:34:58 - INFO - <- This level is successfully initialized

28/034/2013 18:34:58 - INFO - Flashtool Version 0.9.11.0 built on 2013-06-04 22:50:00

28/035/2013 18:35:01 - INFO - Device connected in flash mode

28/035/2013 18:35:09 - INFO - Device disconnected

28/035/2013 18:35:12 - INFO - Please connect your device into flashmode.

28/035/2013 18:35:18 - INFO - Device connected in flash mode

28/035/2013 18:35:19 - INFO - Opening device for R/W

28/035/2013 18:35:19 - INFO - Reading device information

28/035/2013 18:35:19 - INFO - Phone ready for flashmode operations.

28/035/2013 18:35:19 - INFO - Current device : X10a - CB511K67KV - 1233-6929_R1C - 1227-4612_3.0.1.G.0.75 - ROGERS-1-2-5-6_3.0.1.G.0.75

28/035/2013 18:35:19 - INFO - Processing loader

28/035/2013 18:35:19 - INFO - Checking header

28/035/2013 18:35:20 - INFO - Flashing data

28/035/2013 18:35:25 - INFO - Loader : S1_Loader_Root_f851 - Version : R4A024 / Bootloader status : UNROOTABLE

28/035/2013 18:35:25 - INFO - Start Reading unit 00000851

28/035/2013 18:35:25 - INFO - Reading TA finished.

28/035/2013 18:35:25 - INFO - Ending flash session

28/035/2013 18:35:25 - INFO - Waiting for device to reboot

28/035/2013 18:35:25 - INFO - Waiting for device

28/035/2013 18:35:26 - INFO - Device connected in flash mode

28/035/2013 18:35:27 - INFO - Device disconnected

28/035/2013 18:35:29 - INFO - Device connected in flash mode

28/035/2013 18:35:50 - INFO - Device disconnected

28/035/2013 18:35:54 - INFO - Device connected with USB debugging off

28/035/2013 18:35:54 - INFO - For 2011 devices line, be sure you are not in MTP mode

28/036/2013 18:36:05 - INFO - Device disconnected

28/036/2013 18:36:12 - INFO - Device connected with USB debugging off

28/036/2013 18:36:12 - INFO - For 2011 devices line, be sure you are not in MTP mode

28/036/2013 18:36:13 - INFO - Device connected with USB debugging on

28/036/2013 18:36:22 - INFO - Checking root access

28/036/2013 18:36:25 - ERROR - Kernel does not match a compatible one

Is there anyway to fix this?