[Trac #1434] NandFlash of PreB3 can't mount successfully after executing flash_erashall

Zarro Boogs per Child bugtracker at laptop.org
Mon May 7 23:49:18 EDT 2007


#1434: NandFlash of PreB3 can't mount successfully after executing flash_erashall
--------------------------+-------------------------------------------------
 Reporter:  chiaying.lin  |       Owner:  jg     
     Type:  defect        |      Status:  new    
 Priority:  normal        |   Milestone:  BTest-3
Component:  kernel        |    Keywords:         
--------------------------+-------------------------------------------------
 Attached file is the test screenshot of each Nandflash part on B2,
 PreB3.[[BR]]
 B2 ==> BIOS: Q2C08h , (Image: 395-ext3).[[BR]]
 PreB3==> BIOS : Q2C09 Version (Image: 395-ext3).[[BR]]
 Prepare a bootable USB memory key (Image: 395-ext3).[[BR]]
 Boot by USB memory key.[[BR]]
 Switch to command mode.[[BR]]

 #mkdir image [[BR]]
 #modprobe mtdchar [[BR]]
 #flash_eraseall -j /dev/mtd0 [[BR]]
 #modprobe mtdblock [[BR]]
 #mount -t jffs2 /dev/mtdblock0 /mnt [[BR]]
 #df              [[BR]]
 ->Mount successfully : CL1 B2. (B2_Board_1_ok.jpg)  [[BR]]
 ->Mount gets failure: CL1 PreB3. Nand Flash Parts:  [[BR]]


 SAMSUNG (B3_Samung_1.jpg) , [[BR]]
 ST (B3_ST_1.jpg) , [[BR]]
 Hynix (B3_Hynix_1.jpg) , [[BR]]
 Marco (With a lot of register messages. B3_Marco_1.jpg) [[BR]]


 Insert another USB memory key (With 395 jffs2 image file)[[BR]]
 #mount /dev/sdb1 /image          [[BR]]
 #nandwrite -p /dev/mtd0 /image/395.img      [[BR]]
 #mount -t jffs2 /dev/mtdblock0 /mnt     [[BR]]
 #df                      [[BR]]
 ->Mount successfully : CL1 B2. (B2_Board_2_ok.jpg)   [[BR]]
 ->Mount successfully CL1 PreB3. Nand Flash Parts: [[BR]]


 SAMSUNG (B3_Samung_2.jpg) , [[BR]]
 ST (B3_ST_2.jpg) ,          [[BR]]
 Hynix (B3_Hynix_2.jpg) ,    [[BR]]
 Marco (With a lot of register messages. B3_Marco_2.jpg)   [[BR]]

-- 
Ticket URL: <http://dev.laptop.org/ticket/1434>
One Laptop Per Child <http://laptop.org/>



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