b300         7901184 mmcblk0  driver: mmcblk

b301           22208 mmcblk0p1 046af68f-01

b302          782891 mmcblk0p2 046af68f-02

VFS: Unable to mount root fs on unknown-block(0,0)

User configuration error - no valid root filesystem found

Kernel panic - not syncing: Invalid configuration from end user prevents continuing

CPU: 0 PID: 1 Comm: swapper Not tainted 4.4.13-yocto-standard #1

Hardware name: Intel Corp. QUARK/SIMATIC IOT2000, BIOS V24.01.01 01/01/2014

dd501ef8 dd501ef8 dd501ec8 c137829d dd501ee0 c10fc7b6 de977000 dd501ef8

de977000 fffffffa dd501f24 c19eef0c c185ff28 00008000 c185f84f ddfcaa98

6e6b6e75 2d6e776f 636f6c62 2c30286b c1002930 00006180 00000000 dd501f3c

Call Trace:

[<c137829d>] dump_stack+0x16/0x19

[<c10fc7b6>] panic+0x73/0x16a

[<c19eef0c>] mount_block_root+0x133/0x1c5

[<c1002930>] ? get_sigframe.isra.1.constprop.2+0x90/0x180

[<c19ef144>] mount_root+0xee/0xf5

[<c19efba8>] ? initrd_load+0x28f/0x29b

[<c19ef290>] prepare_namespace+0x145/0x176

[<c19eec50>] kernel_init_freeable+0x1c0/0x1d2

[<c17409b0>] kernel_init+0x10/0xe0

[<c106827b>] ? schedule_tail+0x1b/0x60

[<c1744df0>] ret_from_kernel_thread+0x20/0x40

[<c17409a0>] ? rest_init+0x80/0x80

Kernel Offset: disabled

---[ end Kernel panic - not syncing: Invalid configuration from end user prevents continuing

Also after writing image to a second MicroSD card we end up with same problem.