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  1. #1

    Kernel panic - not syncing

    When i tried to load the root file system, i am getting error. Here is the trace

    version 2.6.13-jaluna (root@localhost.localdomain) (gcc version 3.2.2) #1
    Wed May 28 21:54:27 EDT 2008
    TMS320DM643X port (C) VirtualLogix and others
    Designed for the EVMDM6437 board, Spectrum Digital Inc.
    CPU: C64x+ revision unknown core voltage 1.2V core number 0
    Initializing kernel
    Zone DMA start=0x87000000 size=0x1000000
    disabling caching for 0x87000000 to 0x87ffffff
    zone : 80287c08, size 4096
    zone 0 start 32768, 8036e000 8028e000
    zone : 80287d3c, size 28672
    zone 1 start 28672, 8028e000 8028e000
    zone : 80287e70, size 0
    Built 1 zonelists
    Kernel command line: console=ttyS0,115200 root=/dev/nfs rw nfsroot=
    36:/opt/linux_build_dir/linux-root,auto_uid ip= video=d
    PID hash table entries: 1024 (order: 10, 16384 bytes)
    Console: colour dummy device 80x25
    Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
    Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
    Memory available: 127104k/128476k RAM, 0k/0k ROM (586k kernel code, 58k data)
    Mount-cache hash table entries: 512
    NET: Registered protocol family 16
    eth0: EMAC driver version 0.12 IRQ=10 ZERO_COPY=ON
    eth0: Ethernet addr=00:0e:99:02:93:5e PHY=MII
    devfs: 2004-01-31 Richard Gooch (
    devfs: boot_options: 0x1
    davincifb: Options "output=pal"
    DaVinci: Output on PAL in COMPOSITE format, Enabled windows: Video0 Video1 OSD0
    Setting Video0 size 720x576, position (0,0)
    Setting Video1 size 720x576, position (0,0)
    Setting OSD0 size 720x576, position (0,0)
    Setting OSD1 size 720x576, position (0,0)
    Setting Up Clocks for DM420 OSD
    Console: switching to colour frame buffer device 90x36
    fb0: dm_osd0_fb frame buffer device
    fb1: dm_vid0_fb frame buffer device
    fb2: dm_osd1_fb frame buffer device
    fb3: dm_vid1_fb frame buffer device
    Serial: 8250/16550 driver $Revision: 1.90 $ 1 ports, IRQ sharing disabled
    ttyS0 at MMIO 0x0 (irq = 7) is a 16550A
    io scheduler noop registered
    io scheduler anticipatory registered
    io scheduler deadline registered
    io scheduler cfq registered
    mice: PS/2 mouse device common for all mice
    NET: Registered protocol family 2
    IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
    TCP established hash table entries: 8192 (order: 4, 65536 bytes)
    TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
    TCP: Hash tables configured (established 8192 bind 8192)
    TCP reno registered
    TCP bic registered
    NET: Registered protocol family 1
    IP-Config: Guessing netmask
    IP-Config: Complete:
          device=eth0, addr=, mask=, gw=,
         host=, domain=, nis-domain=(none),
         bootserver=, rootserver=, rootpath=
    Looking up port of RPC 100003/2 on
    Looking up port of RPC 100005/1 on
    VFS: Mounted root (nfs filesystem).
    mount_devfs_fs(): unable to mount devfs, err: -2
    Freeing unused kernel memory: 0K freed
    Warning: unable to open an initial console.
    Kernel panic - not syncing: No init found.  Try passing init= option to kernel.

  2. #2
    IP-Config: Complete:
    device=eth0, addr=, mask=, gw=,
    host=, domain=, nis-domain=(none),
    bootserver=, rootserver=, rootpath=
    Your kernel found the nfs server, but you didn't provide it a rootpath to where it can find the mount point. It should be specified in your /etc/exports file on the host machine of where you are mounting via NFS.

    An example of your /etc/exports:
    /opt/crosscompile/ppc/target *(rw,insecure,sync,no_wdelay,no_root_squash)

    The directory tree in ../../target would be your file system on the target.

    Hope this helps

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