Just trying to get NFS root working here, no TFTP boot . . . can anyone
spot what I'm missing here ? Onlything I can think of is that I'm trying to
boot a kernel that was not set in the second stage uEnv.txt file, but was
my understanding that this was controlled via the variable uname_r . . .
Beating my head against a wall here trying to get this working :/ I've even
expanded some variables into IP's / fully qualified paths, etc.
bootdelay=1
ipaddr=192.168.254.167
serverip=192.168.254.162
rootpath=/home/williame/can-dev
loadximage=load mmc 0:1 0x80300000 /boot/vmlinuz-4.1.0-rc8-bone9
loadxfdt=load mmc 0:1 0x815f0000 /boot/dtbs/4.1.0-rc8-bone9/am335x-boneblack
.dtb
loadall=run loadximage; run loadxfdt;
netargs=setenv bootargs console=tty0 console=${console} root=/dev/nfs
nfsroot=192.168.254.162/home/william/can-dev,vers=3 rw ip=192.168.254.167:
192.168.254.162:192.168.254.254:255.255.255.0:arm
uenvcmd=setenv autoload no; run loadall; run netargs; bootz 0x80300000 -
0x815f0000;
Error I'm getting:
[ 7.623523] bootserver=192.168.254.162, rootserver=192.168.254.162,
rootpath=
[ 102.779542] VFS: Unable to mount root fs via NFS, trying floppy.
[ 102.786427] VFS: Cannot open root device "nfs" or unknown-block(2,0):
error -6
[ 102.794064] Please append a correct "root=" boot option; here are the
available partitions:
[ 102.802855] b300 15351296 mmcblk0 driver: mmcblk
[ 102.808463] b301 1024000 mmcblk0p1 00000000-01
[ 102.814059] b308 3776512 mmcblk1 driver: mmcblk
[ 102.819646] b309 98304 mmcblk1p1 00000000-01
[ 102.825242] b30a 3677184 mmcblk1p2 00000000-02
[ 102.830827] b318 2048 mmcblk1boot1 (driver?)
[ 102.836423] b310 2048 mmcblk1boot0 (driver?)
[ 102.842009] Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(2,0)
[ 102.850703] CPU: 0 PID: 1 Comm: swapper Not tainted 4.1.0-rc8-bone9 #1
[ 102.857557] Hardware name: Generic AM33XX (Flattened Device Tree)
[ 102.864001] [<c0012741>] (unwind_backtrace) from [<c0010941>] (show_stack
+0x11/0x14)
[ 102.872154] [<c0010941>] (show_stack) from [<c05e4d0b>] (panic+0x53/0x168
)
[ 102.879396] [<c05e4d0b>] (panic) from [<c0953d6d>] (mount_block_root+0xfd
/0x198)
[ 102.887183] [<c0953d6d>] (mount_block_root) from [<c0953e9f>] (mount_root
+0x97/0xb4)
[ 102.895329] [<c0953e9f>] (mount_root) from [<c0953f6b>] (
prepare_namespace+0xaf/0x100)
[ 102.903657] [<c0953f6b>] (prepare_namespace) from [<c0953b13>] (
kernel_init_freeable+0x133/0x17c)
[ 102.913002] [<c0953b13>] (kernel_init_freeable) from [<c05e3f81>] (
kernel_init+0xd/0xa4)
[ 102.921515] [<c05e3f81>] (kernel_init) from [<c000e445>] (ret_from_fork+
0x11/0x2c)
[ 102.929481] ---[ end Kernel panic - not syncing: VFS: Unable to mount
root fs on unknown-block(2,0)
rootpath= <--- seems suspicious, have tried multiple "cures" but nothing
seems to work.
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