w850 CSloader refused to start GDFS services

[p0er08]

my w850 can power on but still blank
here loq with setool2 lite

Welcome to SEtool2 ( LITE edition ) v 1.11
supported DB2010/DB2012 CID49/50/51/52, DB2020 CID49/51/52
Loaded 51 flash descriptors
 
if you like LITE edition - please visit www.setool.net and buy FULL.

ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
loader header not accepted
phone pre-boot failed,possible RECOVERY needed.
Elapsed:9 secs.
RECOVERY MODE STARTED
skipping empty loader...
All possible recovery loaders fail. That phone not supported
Elapsed:29 secs.
ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
Flash ID check:897E
Flash props sent ok
OTP LOCKED:1 CID:51 PAF:1 IMEI:35282601915696 CERT:RED
FLASH CID:52 COLOR:RED
 
Model:W850i
MAPP CXC article: R1KG001     prgCXC1250204_CHINA_CY
MAPP CXC version: R1KG001
Language Package:APAC
CDA article: CDA102568/101
CDA version: R5A
Default article: cxc1250489
Default version: R1KG001
 
Operator: 000-00
 
Elapsed:10 secs.
ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
OTP LOCKED:1 CID:51 PAF:1 IMEI:35282601915696 CERT:RED
FLASH CID:52 COLOR:RED
LDR:061201 1314 HANCXC1329129_DB2020_FLASHLOADER_R2A005
Flash ID check:897E
Flash props sent ok
writing F:\ALL FIRMWARE\sony ericsson\firmware universal\w850\New Folder\W850_R1KG001_MAIN_CHINA_CY_RED52.mbn
CURRENT FLASH FILE CID:52
SSW uses complete hash, hash len is:9200
Will flash 460 blocks...
SSW loading returns:0
writing F:\ALL FIRMWARE\sony ericsson\firmware universal\w850\New Folder\W850_R1KG001_FS_APAC_RED52.fbn
CURRENT FLASH FILE CID:52
SSW uses complete hash, hash len is:5140
Will flash 257 blocks...
SSW loading returns:0
CSloader version:
070410 1557 HANCXC1250562_DB2020_CSLOADER_R3A009
loader startup: executed
loader filesystem startup: executed
CSloader refused to start GDFS services,error is:29
loader GDFS startup failed, that is fatal
Elapsed:411 secs.

sometimes identity loq like here

ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
OTP LOCKED:1 CID:51 PAF:1 IMEI:35282601915696 CERT:RED
FLASH CID:52 COLOR:RED
LDR:061201 1314 HANCXC1329129_DB2020_FLASHLOADER_R2A005
Flash ID check:897E
Flash props sent ok
Will read 00020000 bytes from 44000000
Reading:131072 bytes
Elapsed:19 secs.
ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
loader payload not accepted
phone pre-boot failed,possible RECOVERY needed.
Elapsed:26 secs.

but sometime normaly like this

ChipID:9900,EMP protocol:0301
PHONE IS RED RETAIL PRODUCT
FLASH CID detected:52
Speed:921600
Flash ID check:897E
Flash props sent ok
OTP LOCKED:1 CID:51 PAF:1 IMEI:35282601915696 CERT:RED
FLASH CID:52 COLOR:RED
 
Model:W850i
MAPP CXC article: R1KG001     prgCXC1250204_CHINA_CY
MAPP CXC version: R1KG001
Language Package:APAC
CDA article: CDA102568/101
CDA version: R5A
Default article: cxc1250489
Default version: R1KG001
 
Operator: 000-00
 
Elapsed:7 secs.

please help me...
thanks in advance