Közben sikerült soros port-on keresztül rátapadnom. A konzol kimenetén sok krix-krax után a következő látszik:
[ 0.640000] console [ttyS0] enabled
[ 0.650000] bootconsole [early0] disabled
[ 0.650000] bootconsole [early0] disabled
[ 0.650000] m25p80 spi0.0: found w25q128, expected m25p80
[ 0.660000] m25p80 spi0.0: w25q128 (16384 Kbytes)
[ 0.670000] 5 tp-link partitions found on MTD device spi0.0
[ 0.670000] Creating 5 MTD partitions on "spi0.0":
[ 0.680000] 0x000000000000-0x000000020000 : "u-boot"
[ 0.680000] 0x000000020000-0x00000012c508 : "kernel"
[ 0.690000] 0x00000012c508-0x000000ff0000 : "rootfs"
[ 0.690000] mtd: device 2 (rootfs) set to be root filesystem
[ 0.710000] 1 squashfs-split partitions found on MTD device rootfs
[ 0.720000] 0x000000360000-0x000000ff0000 : "rootfs_data"
[ 0.720000] 0x000000ff0000-0x000001000000 : "art"
[ 0.730000] 0x000000020000-0x000000ff0000 : "firmware"
[ 0.740000] libphy: ag71xx_mdio: probed
[ 1.340000] ag71xx ag71xx.0: invalid speed specified
[ 1.340000] ag71xx: probe of ag71xx.0 failed with error -22
[ 1.940000] ag71xx-mdio.1: unknown phy id '0000:0000'
[ 1.940000] TCP: cubic registered
[ 1.950000] NET: Registered protocol family 17
[ 1.950000] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this.
[ 1.960000] Bridge firewalling registered
[ 1.970000] 8021q: 802.1Q VLAN Support v1.8
[ 1.980000] VFS: Mounted root (squashfs filesystem) readonly on device 31:2.
[ 1.990000] Freeing unused kernel memory: 224K (80368000 - 803a0000)
[ 2.870000] init: Console is alive
[ 2.870000] init: - watchdog -
[ 3.890000] usbcore: registered new interface driver usbfs
[ 3.900000] usbcore: registered new interface driver hub
[ 3.900000] usbcore: registered new device driver usb
[ 3.910000] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 3.920000] ehci-platform: EHCI generic platform driver
[ 3.930000] ehci-platform ehci-platform.0: EHCI Host Controller
[ 3.930000] ehci-platform ehci-platform.0: new USB bus registered, assigned bus number 1
[ 3.940000] ehci-platform ehci-platform.0: irq 48, io mem 0x1b000000
[ 3.970000] ehci-platform ehci-platform.0: USB 2.0 started, EHCI 1.00
[ 3.970000] hub 1-0:1.0: USB hub found
[ 3.980000] hub 1-0:1.0: 1 port detected
[ 3.980000] ehci-platform ehci-platform.1: EHCI Host Controller
[ 3.990000] ehci-platform ehci-platform.1: new USB bus registered, assigned bus number 2
[ 4.000000] ehci-platform ehci-platform.1: irq 49, io mem 0x1b400000
[ 4.020000] ehci-platform ehci-platform.1: USB 2.0 started, EHCI 1.00
[ 4.020000] hub 2-0:1.0: USB hub found
[ 4.030000] hub 2-0:1.0: 1 port detected
[ 4.890000] init: - preinit -
[ 5.350000] random: procd urandom read with 8 bits of entropy available
Press the [f] key and hit [enter] to enter failsafe mode
Press the [1], [2], [3] or [4] key and hit [enter] to select the debug level
[ 8.560000] jffs2: notice: (354) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
[ 8.580000] mount_root: switching to jffs2 overlay
[ 8.620000] procd: - early -
[ 8.620000] procd: - watchdog -
[ 9.280000] procd: - ubus -
[ 10.290000] procd: - init -
Please press Enter to activate this console.
[ 10.880000] NET: Registered protocol family 10
[ 10.890000] ip6_tables: (C) 2000-2006 Netfilter Core Team
[ 10.910000] Loading modules backported from Linux version master-2015-03-09-0-g141f155
[ 10.920000] Backport generated by backports.git backports-20150129-0-gdd4a670
[ 10.920000] ip_tables: (C) 2000-2006 Netfilter Core Team
[ 10.940000] nf_conntrack version 0.5.0 (956 buckets, 3824 max)
[ 10.970000] xt_time: kernel timezone is -0000
[ 10.990000] cfg80211: Calling CRDA to update world regulatory domain
[ 10.990000] cfg80211: World regulatory domain updated:
[ 11.000000] cfg80211: DFS Master region: unset
[ 11.000000] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 11.010000] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[ 11.020000] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[ 11.030000] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A)
[ 11.040000] cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
[ 11.050000] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
[ 11.060000] cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
[ 11.060000] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
[ 11.070000] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)
[ 11.120000] PPP generic driver version 2.4.2
[ 11.130000] NET: Registered protocol family 24
[ 11.190000] ieee80211 phy0: Atheros AR???? Rev:0 mem=0xb8100000, irq=47
[ 11.210000] cfg80211: Calling CRDA for country: US
[ 11.220000] cfg80211: Regulatory domain changed to country: US
[ 11.220000] cfg80211: DFS Master region: FCC
[ 11.230000] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[ 11.230000] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 3000 mBm), (N/A)
[ 11.240000] cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 1700 mBm), (N/A)
[ 11.250000] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2300 mBm), (0 s)
[ 11.260000] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 3000 mBm), (N/A)
[ 11.270000] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A)
[ 81.270000] random: nonblocking pool is initialized

Próbáltam "f"-el megcsípni a failsafe módot, illetve 1,2,3,4-el a debug szintet, de semmi változás
Van még remény?