hello john,
thanks for your help
some how i understood the flow of kernel booting from nfs
but still i got the same error report
6.876536] ALSA device list:
[ 6.879838] #0: TI BeagleBone Black
[ 6.889766] VFS: Mounted root (nfs filesystem) on device 0:12.
[ 6.896385] devtmpfs: mounted
[ 6.899975] Freeing init memory: 292K
[ 6.907579]
*[ 6.920985] Kernel panic - not syncing: No init found. Try passing
init= option to kernel. See Linux Documentation/init.txt for guidance.*
[ 6.934045] [<c001367c>] (unwind_backtrace+0x0/0xe0) from [<c05e6d00>]
(panic+0x84/0x1e0)
[ 6.942611] [<c05e6d00>] (panic+0x84/0x1e0) from [<c05e1a80>]
(kernel_init+0xb8/0xe4)
[ 6.950812] [<c05e1a80>] (kernel_init+0xb8/0xe4) from [<c000d918>]
(ret_from_fork+0x14/0x3c)
[ 6.959639] drm_kms_helper: panic occurred, switching back to text
console
this is my uEnv.txt file
================
*kernel_file=zImage*
*initrd_file=uInitrd*
*initrd_high=0xffffffff*
*fdt_high=0xffffffff*
*serverip=192.168.1.69*
*ipaddr=192.168.1.61*
*gwaddr=192.168.1.100*
*netmask=255.255.255.0*
*#Video: Uncomment to override:*
*#kms_force_mode=video=HDMI-A-1:1024x768@60*
*##BeagleBone Cape Overrides*
*##Note: On the BeagleBone Black, there is also an uEnv.txt in the eMMC, so
if these changes do not seem to be makeing a difference...*
*##BeagleBone Black:*
*# Disable HDMI/eMMC*
*# Note it is necessary to disable BOTH HDMI and HDMIN (no audio) "capes"*
*# in order to use the HDMI pins for I/O*
*#optargs=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G*
*# Default to leaving the HDMIN "cape" enabled, so HDMI works "out of the
box"*
*# Comment the line below and uncomment the optargs= line above to use an
unmodified*
*# BeBoPr or other board that uses the HDMI/LCD pins *
*#siva optargs=capemgr.disable_partno=BB-BONELT-HDMI,BB-BONE-EMMC-2G
capemgr.enable_partno=BB-BONE-AUDI-02*
*console=ttyO0,115200n8*
*mmcroot=/dev/mmcblk0p2 ro*
*mmcrootfstype=ext4 rootwait fixrtc*
*# ip_method=${ipaddr}:${serverip}:${gwaddr}:${netmask}::eth0:off*
*ip_method=192.168.1.61:192.168.1.69:192.168.1.100:255.255.255.0::eth0:off*
*nfsrootdev=/dev/nfs rw*
*nfsroot=192.168.1.69:/home/cis-69/targetNFS ,vers=3*
*nfsrootfstype=ext4 rootwait fixrtc *
*nfsargs=setenv bootargs console=${console} ${optargs} ${kms_force_mode}
root=${nfsrootdev} rootfstype=${nfsrootfstype} nfsroot=${nfsroot}
init=/lib/modules/3.8.13/init mem=456M vram=50M ${expansion} *
*#video=HDMI-A-1:1280x1024@60 ${expansion} *
*loadkernel=tftp 0x80200000 ${kernel_file}*
*loadinitrd=tftp 0x81000000 ${initrd_file}; setenv initrd_size ${filesize}*
*loadfdt=tftp 0x815f0000 ${fdtfile}*
*boot_classic=run loadkernel; run loadinitrd*
*# boot_ftd=run loadkernel; run loadinitrd; run loadfdt*
*boot_ftd=run loadkernel; run loadfdt*
*device_args=run expansion_args; run nfsargs*
*mmcargs=setenv bootargs console=${console} ${optargs} rootdelay=5
${kms_force_mode} root=${mmcroot} rootfstype=${mmcrootfstype} ${expansion}*
*expansion_args=setenv expansion ip=${ip_method}*
*#Classic Board File Boot:*
*#uenvcmd=run boot_classic; run device_args; bootz 0x80200000
0x81000000:${initrd_size}*
*#New Device Tree Boot:*
*# uenvcmd=run boot_ftd; run device_args; bootz 0x80200000
0x81000000:${initrd_size} 0x815f0000*
*uenvcmd=run boot_ftd; run device_args; bootz 0x80200000 - 0x815f0000*
i tried this *init=/lib/modules/3.8.13/init option but no use of it *
help me out fix this issue
On Friday, 14 March 2014 11:20:15 UTC+5:30, john3909 wrote:
>
>
> From: siva kumar <[email protected] <javascript:>>
> Reply-To: <[email protected] <javascript:>>
> Date: Thursday, March 13, 2014 at 9:58 PM
> To: <[email protected] <javascript:>>
> Subject: [beagleboard] Re: Kernel panic - not syncing: No init found. Try
> passing init= option to kernel.
>
>
> hai all,
>
> can anybody help me how to boot the rootfs using nfs ..still i stuck with
> same issue..
> currently i'm using ubuntu13.10 as a host pc to implement nfs booting.
> i referred the following link to build the kernel
> http://wiki.beyondlogic.org/index.php/BeagleBoneBlack_Building_Kernel
> http://elinux.org/Building_BBB_Kernel
>
> I attached my uEnv.txt file I use for NFS. Make sure you change the IP
> address and <userID> for nfsroot to match your host IP and userID. My local
> network uses an address 10.100.116.xxx. My BBB is 10.100.116.104 and my
> host is 10.100.116.73.
>
> You need to install nfs-kernel-server on your Ubuntu host
>
> Add the following line to your /etc/exports file on your host
>
> /home/<userID>/targetNFS
> 10.100.116.0/255.255.255.0(rw,insecure,async,no_wdelay,no_root_squash,no_subtree_check)
>
> Place your rootfs in /home/<userID>/targetNFS on your host
>
> sudo service nfs-kernel-server restart
>
> I think that is all, so NFS should work for you. I hope this helps.
>
> Regard,
> John
>
>
>
> regards
> siva
>
>
>
> On Wednesday, 12 March 2014 15:43:34 UTC+5:30, siva kumar wrote:
>>
>> hai ,
>>
>> i try to mount the rootfs using nfs for my beagle bone back..while
>> booting the kernel i'm facing the following issue ..
>>
>> error log message :
>> =============
>>
>> 5.745517] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
>> [ 5.758912] IP-Config: Complete:
>> [ 5.762359] device=eth0, hwaddr=90:59:af:5b:d4:88,
>> ipaddr=192.168.1.61, mask=255.255.255.0, gw=192.168.1.100
>> [ 5.773113] host=192.168.1.61, domain=, nis-domain=(none)
>> [ 5.779231] bootserver=192.168.1.69, rootserver=192.168.1.69,
>> rootpath=
>> [ 5.786438] ALSA device list:
>> [ 5.789741] #0: TI BeagleBone Black
>> *[ 5.799661] VFS: Mounted root (nfs filesystem) on device 0:12.*
>> [ 5.808793] devtmpfs: mounted
>> [ 5.812347] Freeing init memory: 292K
>> *[ 5.822210] Kernel panic - not syncing: No init found. Try passing
>> init= option to kernel. See Linux Documentation/init.txt for guidance.*
>> [ 5.835271] [<c001367c>] (unwind_backtrace+0x0/0xe0) from [<c05e6d00>]
>> (panic+0x84/0x1e0)
>> [ 5.843839] [<c05e6d00>] (panic+0x84/0x1e0) from [<c05e1a80>]
>> (kernel_init+0xb8/0xe4)
>> [ 5.852039] [<c05e1a80>] (kernel_init+0xb8/0xe4) from [<c000d918>]
>> (ret_from_fork+0x14/0x3c)
>> [ 5.860868] drm_kms_helper: panic occurred, switching back to text
>> console
>>
>>
>>
>> i used the following procedure to build the kernel
>>
>>
>> U-Boot> setenv ipaddr 192.168.1.61
>> U-Boot> setenv serverip 192.168.1.69
>> U-Boot> tftpboot 0x80200000 uImage-BBB
>> U-Boot> setenv bootargs console=ttyO0,115200n8 root=/dev/nfs rw
>> nfsroot=192.168.1.69:/nfsroot
>> ip=192.168.1.61:192.168.1.69:192.168.1.100:255.255.255.0::eth0
>> U-Boot> bootm 0x80200000
>>
>> i tried with vaious bootargs for nfs booting but no success !!!
>>
>> [1] setenv bootargs 'console=ttyO0,115200n8 noinitrd,3 root=/dev/nfs
>> ip=192.168.1.61:192.168.1.69:192.168.1.100:255.255.255.0::eth0 rootwait rw
>> nolock,rsize=1024,wsize=1024,rootdelay=2 nfsroot=192.168.1.69:/nfsroot '
>>
>> [2]setenv bootargs 'console=ttyO0,115200n8 noinitrd root=/dev/nfs
>> nfsroot=192.168.1.69:/nfsroot rw
>> ip=192.168.1.61:192.168.1.69:192.168.1.100:255.255.255.0::eth0:'
>> and so on..
>>
>> pls share your experience to get my kernel bootable...
>>
>> regards
>> siva
>>
>>
>> --
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