NFS root as done on ARCH, Debian, and busybox will not work the same way on ubuntu. Nor fedora or Angstrom for that matter. What you need to do is find a how to for netbooting Ubuntu ( PC ) and adapt it.
obviously going by the error messages above, this configuration does not like your initial ramdisk ( initrd ) for some reason. On Fri, Mar 14, 2014 at 7:55 AM, siva kumar <[email protected]>wrote: > 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]> >> Reply-To: <[email protected]> >> >> Date: Thursday, March 13, 2014 at 9:58 PM >> To: <[email protected]> >> >> 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 >>> >>> >>> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> >> For more options, visit https://groups.google.com/d/optout. >> >> -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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