HI group, I am porting android 1.5 to mini 2440 board. I am getting the kernel panic and its not able to mount the root file system. So any help in this regard would be highly appreciable. I suspect about setenv in flash. I executed the following commands to set the env variables.
commands executed ============================================== INI2440 # setenv bootargs console=ttySAC0,115200 root=/dev/mmcblk0p3 rootfstype=ext3 mini2440=1tb rootdelay=3 init=/linuxrc MINI2440 # setenv bootcmd mmcinit \; ext2load mmc 0:2 0x31000000 uImage \; bootm 0x31000000 MINI2440 # saveenv =============================================== boot log ================================================ U-Boot 1.3.2-mini2440 (Oct 6 2009 - 12:51:09) I2C: ready DRAM: 64 MB Flash: 2 MB NAND: 128 MiB Found Environment offset in OOB.. USB: S3C2410 USB Deviced In: serial Out: serial Err: serial MAC: 08:00:2f:00:00:06 Hit any key to stop autoboot: 0 trying to detect SD Card... Manufacturer: 0x1b, OEM "SM" Product name: "SD ", revision 1.0 Serial number: 3927984417 Manufacturing date: 2/2010 CRC: 0x4e, b0 = 1 READ_BL_LEN=15, C_SIZE_MULT=7, C_SIZE=3453 size = 2329935872 2060420 bytes read ## Booting kernel from Legacy Image at 31000000 ... Image Name: Created: 2010-03-26 5:54:15 UTC Image Type: ARM Linux Kernel Image (uncompressed) Data Size: 2060356 Bytes = 2 MB Load Address: 30008000 Entry Point: 30008000 Verifying Checksum ... OK Loading Kernel Image ... OK OK Starting kernel ... Uncompressing Linux..................................................................................................................................... done, booting the kernel. Linux version 2.6.27 (r...@tom) (gcc version 4.3.2 (Sourcery G++ Lite 2008q3-72) ) #1 PREEMPT Mon Aug 24 17:01:35 CST 2009 CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177 Machine: FriendlyARM Mini2440 development board Memory policy: ECC disabled, Data cache writeback CPU S3C2440A (id 0x32440001) MM: CPU does not support supersection mapping for 0x55000000000 at 0xf0d00000 S3C244X: core 405.000 MHz, memory 101.250 MHz, peripheral 50.625 MHz S3C24XX Clocks, (c) 2004 Simtec Electronics CLOCK: Slow mode (1.500 MHz), fast, MPLL on, UPLL on CPU0: D VIVT write-back cache CPU0: I cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets CPU0: D cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256 Kernel command line: console=ttySAC0,115200 root=/dev/mmcblkOp3 rootfstype=ext3 mini2440=ltb rootdelay=3 init=/linuxrc irq: clearing pending status 02000000 irq: clearing subpending status 00000002 PID hash table entries: 256 (order: 8, 1024 bytes) timer tcon=00500000, tcnt a4ca, tcfg 00000200,00000000, usec 00001e57 Console: colour dummy device 80x30 console [ttySAC0] enabled Dentry cache hash table entries: 8192 (order: 3, 32768 bytes) Inode-cache hash table entries: 4096 (order: 2, 16384 bytes) Memory: 64MB = 64MB total Memory: 60188KB available (3896K code, 636K data, 116K init) SLUB: Genslabs=12, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 Calibrating delay loop... 201.93 BogoMIPS (lpj=504832) Mount-cache hash table entries: 512 CPU: Testing write buffer coherency: ok net_namespace: 288 bytes NET: Registered protocol family 16 S3C2440: Initialising architecture S3C2440: IRQ Support S3C24XX DMA Driver, (c) 2003-2004,2006 Simtec Electronics DMA channel 0 at c4800000, irq 33 DMA channel 1 at c4800040, irq 34 DMA channel 2 at c4800080, irq 35 DMA channel 3 at c48000c0, irq 36 S3C244X: Clock Support, DVS off SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb NET: Registered protocol family 2 IP route cache hash table entries: 1024 (order: 0, 4096 bytes) TCP established hash table entries: 2048 (order: 2, 16384 bytes) TCP bind hash table entries: 2048 (order: 1, 8192 bytes) TCP: Hash tables configured (established 2048 bind 2048) TCP reno registered NET: Registered protocol family 1 NetWinder Floating Point Emulator V0.97 (double precision) ashmem: initialized NTFS driver 2.1.29 [Flags: R/W DEBUG]. yaffs Aug 24 2009 16:57:57 Installing. msgmni has been set to 117 io scheduler noop registered (default) Console: switching to colour frame buffer device 30x20 fb0: s3c2410fb frame buffer device adc initialized input: buttons as /class/input/input0 buttons initialized leds initialized s3c2440-uart.0: s3c2410_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2440 s3c2440-uart.1: s3c2410_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2440 s3c2440-uart.2: s3c2410_serial2 at MMIO 0x50008000 (irq = 76) is a S3C2440 brd: module loaded loop: module loaded nbd: registered device at major 43 logger: created 64K log 'log_main' logger: created 256K log 'log_events' logger: created 64K log 'log_radio' dm9000 Ethernet Driver, V1.31 Now use the default MAC address: 08:90:90:90:90:90 eth0: dm9000e at c4804000,c4806004 IRQ 51 MAC: c3908934 (friendly-arm) usbcore: registered new interface driver zd1211rw usbcore: registered new interface driver zd1201 Linux video capture interface: v2.00 ovcamchip: v2.27 for Linux 2.6 : OV camera chip I2C driver usbcore: registered new interface driver ov511 ov511: v1.64 for Linux 2.5 : ov511 USB Camera Driver Driver 'sd' needs updating - please use bus_type methods S3C24XX NAND Driver, (c) 2004 Simtec Electronics s3c2440-nand s3c2440-nand: Tacls=3, 29ns Twrph0=7 69ns, Twrph1=3 29ns NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,3V 8-bit) NAND_ECC_NONE selected by board driver. This is not recommended !! Scanning device for bad blocks Creating 4 MTD partitions on "NAND 128MiB 3,3V 8-bit": 0x00000000-0x00060000 : "supervivi" 0x00060000-0x00260000 : "Kernel" 0x00260000-0x40260000 : "root" mtd: partition "root" extends beyond the end of device "NAND 128MiB 3,3V 8-bit" -- size truncated to 0x7da0000 0x00000000-0x40000000 : "nand" mtd: partition "nand" extends beyond the end of device "NAND 128MiB 3,3V 8-bit" -- size truncated to 0x8000000 s3c2410-ohci s3c2410-ohci: S3C24XX OHCI s3c2410-ohci s3c2410-ohci: new USB bus registered, assigned bus number 1 s3c2410-ohci s3c2410-ohci: irq 42, io mem 0x49000000 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 2 ports detected Initializing USB Mass Storage driver... usbcore: registered new interface driver usb-storage USB Mass Storage support registered. s3c2440-usbgadget s3c2440-usbgadget: S3C2440: increasing FIFO to 128 bytes mice: PS/2 mouse device common for all mice usbcore: registered new interface driver appletouch input: s3c2410 TouchScreen as /class/input/input1 s3c2410 TouchScreen successfully loaded S3C24XX RTC, (c) 2004,2006 Simtec Electronics s3c2410-rtc s3c2410-rtc: rtc disabled, re-enabling s3c2410-rtc s3c2410-rtc: rtc core: registered s3c as rtc0 i2c /dev entries driver s3c2440-i2c s3c2440-i2c: slave address 0x10 s3c2440-i2c s3c2440-i2c: bus frequency set to 98 KHz s3c2440-i2c s3c2440-i2c: i2c-0: S3C I2C adapter mapped channel 0 to 0 s3c2440-sdi s3c2440-sdi: powered down. s3c2440-sdi s3c2440-sdi: initialisation done. s3c2440-sdi s3c2440-sdi: running at 0kHz (requested: 0kHz). s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz). s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz). s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz). usbcore: registered new interface driver hiddev s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz). s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz). s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz). usbcore: registered new interface driver usbhid usbhid: v2.6:USB HID core driver UDA1341 audio driver initialized failed to get memory region resouce s3c2410-iis: probe of s3c2410-iis.0 failed with error -2 TCP cubic registered NET: Registered protocol family 17 RPC: Registered udp transport module. RPC: Registered tcp transport module. s3c2440-sdi s3c2440-sdi: running at 198kHz (requested: 197kHz). s3c2440-sdi s3c2440-sdi: running at 16875kHz (requested: 25000kHz). s3c2440-sdi s3c2440-sdi: running at 16875kHz (requested: 25000kHz). mmc0: new SD card at address b368 mmcblk0: mmc0:b368 SD 1981440KiB mmcblk0: p1 p2 p3 s3c2410-rtc s3c2410-rtc: hctosys: invalid date/time Waiting 3sec before mounting root device... Root-NFS: No NFS server available, giving up. VFS: Unable to mount root fs via NFS, trying floppy. VFS: Cannot open root device "mmcblkOp3" or unknown-block(2,0) Please append a correct "root=" boot option; here are the available partitions: 1f00 384 mtdblock0 (driver?) 1f01 2048 mtdblock1 (driver?) 1f02 128640 mtdblock2 (driver?) 1f03 131072 mtdblock3 (driver?) b300 1981440 mmcblk0 driver: mmcblk b301 522081 mmcblk0p1 b302 24097 mmcblk0p2 b303 1429785 mmcblk0p3 Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0) ===================================================================== Thank you Ranganath.S -- I blog at http://ranganaths.wordpress.com -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting