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Old 10-29-2009, 06:39 AM
Vadivelan M
Default Regarding linux 2.6.27 porting on imx27 platform - hanging at Freeing init memory

Hi ,

we are porting linux 2.6.27 on imx27 based platform. we did all the platform dependent changes .

With this linux is booting till a point and stopping there ..

stopping at

(VFS) Mounting file system
Freeing init memory

While debugging through printk we could go till

rest_init()* -> kernel _init() -> init_post() --->

Going for opening initial console . .... using sys_open() .... After that no prints .......

Can any body help us to go forward ?

Thanks in advance ,

Please see the following logs ..

Launch LinuxUncompressing Linux............................................. ......................... done, booting the kernel.
Linux version 2.6.28-arm2 (root@localhost.localdomain) (gcc version 4.1.1) #75 Wed Oct 28 13:12:53 IST 2009
CPU: ARM926EJ-S [41069264] revision 4 (ARMv5TEJ), cr=00053177
CPU: VIVT data cache, VIVT instruction cache
Machine: Freescale i.MX27ADS
Memory policy: ECC disabled, Data cache writeback
Built 1 zonelists in Zone order, mobility grouping on.* Total pages: 16256
Kernel command line: root=/dev/ram rw mem=64M console=ttymxc0,115200
MXC GPIO hardware
MXC IRQ initialized
PID hash table entries: 256 (order: 8, 1024 bytes)

*Clock input source is 26000000

*After for loop
*CCM_PCCR1 = fe5aef88
*b4 spll_clk.disableConsole: colour dummy device 80x30
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: 60780KB available (1956K code, 252K data, 92K init)
Calibrating delay loop... 132.71 BogoMIPS (lpj=663552)
Security Framework initialized
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
kernel thread started : M.V<5>SCSI subsystem initialized
checking if image is initramfs...it isn't (no cpio magic); looks like an initrd
do_sys_open entry<6>Freeing initrd memory: 1792K
NetWinder Floating Point Emulator V0.97 (extended precision)
VFS: Disk quotas dquot_6.5.1
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
JFS: nTxBlock = 489, nTxLock = 3914
msgmni has been set to 122
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
Serial: IMX driver
imx-uart.0: ttymxc0 at MMIO 0x1000a000 (irq = 20) is a IMX
console [ttymxc0] enabled
imx-uart.1: ttymxc1 at MMIO 0x1000b000 (irq = 19) is a IMX
imx-uart.2: ttymxc2 at MMIO 0x1000c000 (irq = 18) is a IMX
imx-uart.3: ttymxc3 at MMIO 0x1000d000 (irq = 17) is a IMX
imx-uart.4: ttymxc4 at MMIO 0x1001b000 (irq = 49) is a IMX
imx-uart.5: ttymxc5 at MMIO 0x1001c000 (irq = 48) is a IMX
brd: module loaded
loop: module loaded
st: Version 20080504, fixed bufsize 32768, s/g segs 256
Driver 'st' needs updating - please use bus_type methods
Driver 'sd' needs updating - please use bus_type methods
drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
do_sys_open entrydo_sys_open entry<5>RAMDISK: Compressed image found at block 0
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
VFS: Mounted root (ext2 filesystem).
Freeing init memory: 92K

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