[beagleboard] Re: Kernel stops after changing debug port UART3 to UART1

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1

Hi,

I did these steps to boot the board at u-boot prompt

  1. mmcinit
  2. fatload mmc 0:1 0x81600000 ramdisk.gz
  3. setenv bootargs console=ttyS2,115200n8 console=tty0 root=/dev/ram0 rw ramdisk_size=32768 initrd=0x81600000,32M

and i booted the board by giving the command boot

the booting stoped, here is the log where it is stoped please suggest me to solve this issue.

<6>VFP support v0.3: VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 1
implementor 41 architecture 3 part 30 variant c rev 1
<6>cpuidle: using governor menu
cpuidle: using governor menu
<5>RAMDISK: Compressed image found at block 0
RAMDISK: Compressed image found at block 0
VFS: Mounted root (ext2 filesystem).
VFS: Mounted root (ext2 filesystem).
<6>Freeing init memory: 132K
Freeing init memory: 132K
<4>mmc0: host does not support reading read-only switch. assuming write-enable.
mmc0: host does not support reading read-only switch. assuming write-enable.
<6>mmcblk0: mmc0:0007 SD02G 1955840KiB
mmcblk0: mmc0:0007 SD02G 1955840KiB
<6> mmcblk0: mmcblk0: p1 p1

<6>udevd version 124 started
udevd version 124 started
<3>Buffer I/O error on device mtdblock0, logical block 0
Buffer I/O error on device mtdblock0, logical block 0
<3>Buffer I/O error on device mtdblock0, logical block 1
Buffer I/O error on device mtdblock0, logical block 1
<3>Buffer I/O error on device mtdblock0, logical block 2
Buffer I/O error on device mtdblock0, logical block 2
<3>Buffer I/O error on device mtdblock0, logical block 3
Buffer I/O error on device mtdblock0, logical block 3
<3>Buffer I/O error on device mtdblock1, logical block 0
Buffer I/O error on device mtdblock1, logical block 0
<3>Buffer I/O error on device mtdblock1, logical block 1
Buffer I/O error on device mtdblock1, logical block 1
<3>Buffer I/O error on device mtdblock1, logical block 2
Buffer I/O error on device mtdblock1, logical block 2
<3>Buffer I/O error on device mtdblock1, logical block 3
Buffer I/O error on device mtdblock1, logical block 3
<3>Buffer I/O error on device mtdblock0, logical block 0
Buffer I/O error on device mtdblock0, logical block 0
<3>Buffer I/O error on device mtdblock1, logical block 0
Buffer I/O error on device mtdblock1, logical block 0
<4>timeout waiting for frame-done interrupt
timeout waiting for frame-done interrupt

–Sanjeev
a

2

Good news, linux kernel is booting and starting the /sbin/init script… Could you confirm that you are using Rev C. validation ramdisk.gz file…? I’ll need to rip it open and see what its doing… I suspect its doing a number of validation tests… really all we want to do is work out why /dev/mmcblk0p2 can’t be mounted as a rootfs… once that’s figured out you should be able to move to using an Angstrom image…