I think I've bricked my YUN. I connect to the Arduino via USB. Load the Yunserial and reboot the YUN Linux.
The option to press the f-key (failsafe) never appears.
What can I do to factory-reset the YUN?
Please help.
I see the following text (this is only the last part):
[ 11.660000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006a0000: 0xe93f instead
[ 11.660000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006a0004: 0x5253 instead
[ 11.670000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006a0008: 0x5545 instead
[ 11.670000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006a000c: 0xf4e2 instead
[ 11.670000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006a0010: 0x3487 instead
[ 11.680000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006a0014: 0xadd8 instead
[ 11.680000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006a0018: 0x0e36 instead
[ 11.690000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006a001c: 0x9046 instead
[ 11.690000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006a0020: 0xf7ce instead
[ 11.700000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006a0024: 0xfe8c instead
[ 11.700000] jffs2: Further such events for this erase block will not be printed
[ 11.740000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006b0000: 0xeb33 instead
[ 11.740000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006b0004: 0xb08b instead
[ 11.750000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006b0008: 0x46b2 instead
[ 11.750000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006b000c: 0x5dae instead
[ 11.750000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006b0010: 0x7993 instead
[ 11.760000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006b0014: 0xb48d instead
[ 11.760000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006b0018: 0x410d instead
[ 11.770000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006b001c: 0x082a instead
[ 11.770000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006b0020: 0x654e instead
[ 11.780000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006b0024: 0x6141 instead
[ 11.780000] jffs2: Further such events for this erase block will not be printed
[ 11.820000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006c0000: 0xc9e9 instead
[ 11.820000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006c0004: 0x8d71 instead
[ 11.830000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006c0008: 0x93ec instead
[ 11.830000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006c000c: 0x9d0a instead
[ 11.830000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006c0010: 0x94c9 instead
[ 11.840000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006c0014: 0xfaf2 instead
[ 11.840000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006c0018: 0x2aea instead
[ 11.850000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006c001c: 0x9082 instead
[ 11.850000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006c0020: 0x801f instead
[ 11.860000] jffs2: jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x006c0024: 0x239f instead
[ 11.860000] jffs2: Further such events for this erase block will not be printed
[ 11.880000] jffs2: Old JFFS2 bitmask found at 0x006c7448
[ 11.880000] jffs2: You cannot use older JFFS2 filesystems with newer kernels
[ 11.990000] jffs2: notice: (1) jffs2_build_xattr_subsystem: complete building xattr subsystem, 2 of xdatum (1 unchecked, 1 orphan) and 40 of xref (0 dead, 28 orphan) found.
[ 11.990000] VFS: Mounted root (jffs2 filesystem) readonly on device 31:2.
[ 12.000000] Freeing unused kernel memory: 232k freed
[ 12.000000] Kernel panic - not syncing: No init found. Try passing init= option to kernel. See Linux Documentation/init.txt for guidance.