I believe this must be a known issue. Using yocto-morty (community), I built complete Linux image:
MACHINE=twr-vf65gs10 DISTRO=fslc-framebuffer source setup-environment build-vf610-twr-fb
bitbake core-image-minimal
When started from SD card, I get the following kernel log:
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.9.21-fslc+gb69ecd63c123 (petr@z270) (gcc version 6.2.0 (GCC) ) #1 SMP Wed Oct 11 12:08:16 CEST 2017
[ 0.000000] CPU: ARMv7 Processor [410fc051] revision 1 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] OF: fdt:Machine model: VF610 Tower Board
[ 0.000000] cma: Reserved 16 MiB at 0x8ec00000
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] percpu: Embedded 15 pages/cpu @cfdd0000 s30952 r8192 d22296 u61440
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 65024
[ 0.000000] Kernel command line: console=ttyLP1,115200 root=/dev/mmcblk0p2 rootwait rw
[ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Memory: 218884K/262144K available (10240K kernel code, 797K rwdata, 3416K rodata, 1024K init, 8246K bss, 26876K reserved, 16384K cma-reserved, 0K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xd0800000 - 0xff800000 ( 752 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc0b00000 (11232 kB)
[ 0.000000] .init : 0xc0f00000 - 0xc1000000 (1024 kB)
[ 0.000000] .data : 0xc1000000 - 0xc10c766c ( 798 kB)
[ 0.000000] .bss : 0xc10c9000 - 0xc18d6968 (8247 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Running RCU self tests
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] RCU lockdep checking is enabled.
[ 0.000000] Build-time adjustment of leaf fanout to 32.
[ 0.000000] RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=1.
[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=32, nr_cpu_ids=1
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] L2C-310 erratum 769419 enabled
[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled
[ 0.000000] L2C-310 cache controller enabled, 8 ways, 512 kB
[ 0.000000] L2C-310: CACHE_ID 0x410000c8, AUX_CTRL 0x06060000
[ 0.000000] clk: failed to reparent enet_sel to eth_osc: -22
[ 0.000000] clk: failed to reparent enet_ts_sel to eth_osc: -22
[ 0.000000] clk: failed to reparent enet_sel to eth_osc: -22
[ 0.000000] clk: failed to reparent enet_ts_sel to eth_osc: -22
[ 0.000027] sched_clock: 64 bits at 132MHz, resolution 7ns, wraps every 2199023255551ns
[ 0.000084] clocksource: arm_global_timer: mask: 0xffffffffffffffff max_cycles: 0x1e7178659b, max_idle_ns: 440795204301 ns
[ 0.000305] Switching to timer-based delay loop, resolution 7ns
[ 0.002000] Console: colour dummy device 80x30
[ 0.002085] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 0.002113] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 0.002139] ... MAX_LOCK_DEPTH: 48
[ 0.002164] ... MAX_LOCKDEP_KEYS: 8191
[ 0.002188] ... CLASSHASH_SIZE: 4096
[ 0.002214] ... MAX_LOCKDEP_ENTRIES: 32768
[ 0.002238] ... MAX_LOCKDEP_CHAINS: 65536
[ 0.002262] ... CHAINHASH_SIZE: 32768
[ 0.002286] memory used by lock dependency info: 5167 kB
[ 0.002312] per task-struct memory footprint: 1536 bytes
[ 0.002419] Calibrating delay loop (skipped), value calculated using timer frequency.. 264.00 BogoMIPS (lpj=1320000)
[ 0.002475] pid_max: default: 32768 minimum: 301
[ 0.003477] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.003521] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.008829] CPU: Testing write buffer coherency: ok
[ 0.008998] ftrace: allocating 31105 entries in 92 pages
[ 0.142814] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.142956] Setting up static identity map for 0x80100000 - 0x80100070
[ 0.152225] Brought up 1 CPUs
[ 0.152274] SMP: Total of 1 processors activated (264.00 BogoMIPS).
[ 0.152301] CPU: All CPU(s) started in SVC mode.
[ 0.157345] devtmpfs: initialized
[ 0.215662] VFP support v0.3: implementor 41 architecture 2 part 30 variant 5 rev 1
[ 0.217962] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.218067] futex hash table entries: 256 (order: 2, 16384 bytes)
[ 0.222053] pinctrl core: initialized pinctrl subsystem
[ 0.232012] NET: Registered protocol family 16
[ 0.243543] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.255053] cpuidle: using governor menu
[ 0.255412] No ATAGs?
[ 0.255500] hw-breakpoint: found 2 (+1 reserved) breakpoint and 1 watchpoint registers.
[ 0.255533] hw-breakpoint: maximum watchpoint size is 4 bytes.
[ 0.285596] vf610-pinctrl 40048000.iomuxc: initialized IMX pinctrl driver
[ 0.468317] vgaarb: loaded
[ 0.471240] SCSI subsystem initialized
[ 0.474708] usbcore: registered new interface driver usbfs
[ 0.475214] usbcore: registered new interface driver hub
[ 0.475875] usbcore: registered new device driver usb
[ 0.482770] i2c i2c-0: IMX I2C adapter registered
[ 0.483548] i2c i2c-0: using dma0chan0 (tx) and dma0chan1 (rx) for DMA transfers
[ 0.485070] Linux video capture interface: v2.00
[ 0.485666] pps_core: LinuxPPS API ver. 1 registered
[ 0.485698] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.485867] PTP clock support registered
[ 0.488444] Advanced Linux Sound Architecture Driver Initialized.
[ 0.496917] Bluetooth: Core ver 2.22
[ 0.497178] NET: Registered protocol family 31
[ 0.497210] Bluetooth: HCI device and connection manager initialized
[ 0.497369] Bluetooth: HCI socket layer initialized
[ 0.497451] Bluetooth: L2CAP socket layer initialized
[ 0.497975] Bluetooth: SCO socket layer initialized
[ 0.505045] clocksource: Switched to clocksource arm_global_timer
[ 1.010225] VFS: Disk quotas dquot_6.6.0
[ 1.010666] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 1.097028] NET: Registered protocol family 2
[ 1.101640] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
[ 1.101835] TCP bind hash table entries: 2048 (order: 4, 73728 bytes)
[ 1.104082] TCP: Hash tables configured (established 2048 bind 2048)
[ 1.104498] UDP hash table entries: 256 (order: 2, 20480 bytes)
[ 1.105357] UDP-Lite hash table entries: 256 (order: 2, 20480 bytes)
[ 1.107999] NET: Registered protocol family 1
[ 1.111302] RPC: Registered named UNIX socket transport module.
[ 1.111349] RPC: Registered udp transport module.
[ 1.111378] RPC: Registered tcp transport module.
[ 1.111407] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 1.117650] hw perfevents: enabled with armv7_cortex_a5 PMU driver, 3 counters available
[ 1.132083] workingset: timestamp_bits=30 max_order=16 bucket_order=0
[ 1.212052] NFS: Registering the id_resolver key type
[ 1.212548] Key type id_resolver registered
[ 1.212584] Key type id_legacy registered
[ 1.212920] jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
[ 1.219178] fuse init (API version 7.26)
[ 1.248030] io scheduler noop registered
[ 1.248081] io scheduler deadline registered
[ 1.249505] io scheduler cfq registered (default)
[ 1.358272] 40028000.serial: ttyLP1 at MMIO 0x40028000 (irq = 19, base_baud = 4125000) is a FSL_LPUART
[ 2.061470] console [ttyLP1] enabled
[ 2.069852] 40029000.serial: ttyLP2 at MMIO 0x40029000 (irq = 20, base_baud = 4125000) is a FSL_LPUART
[ 2.084785] [drm] Initialized
[ 2.191640] brd: module loaded
[ 2.252225] loop: module loaded
[ 2.268343] nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xda
[ 2.274731] nand: Micron vf610_nfc
[ 2.278264] nand: bus width 16 instead 8 bit
[ 2.282549] nand: No NAND device found
[ 2.299532] m25p80 spi0.0: unrecognized JEDEC id bytes: ff, ff, ff
[ 2.311349] libphy: Fixed MDIO Bus: probed
[ 2.318763] CAN device driver interface
[ 2.326959] 400d0000.ethernet supply phy not found, using dummy regulator
[ 2.338481] libphy: fec_enet_mii_bus: probed
[ 2.357464] 400d1000.ethernet supply phy not found, using dummy regulator
[ 2.366525] fec 400d1000.ethernet (unnamed net_device) (uninitialized): Invalid MAC address: 00:00:00:00:00:00
[ 2.376814] fec 400d1000.ethernet (unnamed net_device) (uninitialized): Using random MAC address: b6:d6:d5:fd:97:5a
[ 2.401405] libphy: fec_enet_mii_bus: probed
[ 2.413726] usbcore: registered new interface driver asix
[ 2.419890] usbcore: registered new interface driver ax88179_178a
[ 2.426635] usbcore: registered new interface driver cdc_ether
[ 2.432841] usbcore: registered new interface driver net1080
[ 2.439108] usbcore: registered new interface driver cdc_subset
[ 2.445495] usbcore: registered new interface driver zaurus
[ 2.451642] usbcore: registered new interface driver cdc_ncm
[ 2.457405] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 2.463959] ehci-pci: EHCI PCI platform driver
[ 2.469099] ehci-mxc: Freescale On-Chip EHCI Host driver
[ 2.476344] usbcore: registered new interface driver usb-storage
[ 2.503294] 400b4000.usb supply vbus not found, using dummy regulator
[ 2.516050] ci_hdrc ci_hdrc.1: EHCI Host Controller
[ 2.521427] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1
[ 2.555194] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[ 2.571467] hub 1-0:1.0: USB hub found
[ 2.576015] hub 1-0:1.0: 1 port detected
[ 2.591577] mousedev: PS/2 mouse device common for all mice
[ 2.612159] snvs_rtc 400a7000.snvs:snvs-rtc-lp: rtc core: registered 400a7000.snvs:snvs- as rtc0
[ 2.621656] i2c /dev entries driver
[ 2.629751] IR NEC protocol handler initialized
[ 2.634329] IR RC5(x/sz) protocol handler initialized
[ 2.639526] IR RC6 protocol handler initialized
[ 2.644092] IR JVC protocol handler initialized
[ 2.648729] IR Sony protocol handler initialized
[ 2.653383] IR SANYO protocol handler initialized
[ 2.658189] IR Sharp protocol handler initialized
[ 2.662934] IR MCE Keyboard/mouse protocol handler initialized
[ 2.668866] IR XMP protocol handler initialized
[ 2.690439] imx2-wdt 4003e000.wdog: timeout 60 sec (nowayout=0)
[ 2.697021] Bluetooth: HCI UART driver ver 2.3
[ 2.701504] Bluetooth: HCI UART protocol H4 registered
[ 2.706747] Bluetooth: HCI UART protocol LL registered
[ 2.714096] sdhci: Secure Digital Host Controller Interface driver
[ 2.720382] sdhci: Copyright(c) Pierre Ossman
[ 2.724764] sdhci-pltfm: SDHCI platform and OF driver helper
[ 2.733245] sdhci-esdhc-imx 400b2000.esdhc: Got CD GPIO
[ 2.806482] mmc0: SDHCI controller on 400b2000.esdhc [400b2000.esdhc] using ADMA
[ 2.822061] usbcore: registered new interface driver usbhid
[ 2.827769] usbhid: USB HID core driver
[ 2.866064] sgtl5000 0-000a: Error reading chip id -6
[ 2.887161] mmc0: host does not support reading read-only switch, assuming write-enable
[ 2.908472] mmc0: new high speed SDHC card at address aaaa
[ 2.917220] NET: Registered protocol family 10
[ 2.933980] mmcblk0: mmc0:aaaa SL08G 7.40 GiB
[ 2.940793] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 2.954799] mmcblk0: p1 p2
[ 2.963863] NET: Registered protocol family 17
[ 2.977736] can: controller area network core (rev 20120528 abi 9)
[ 2.984429] NET: Registered protocol family 29
[ 2.989208] can: raw protocol (rev 20120528)
[ 2.993679] can: broadcast manager protocol (rev 20161123 t)
[ 2.999671] can: netlink gateway (rev 20130117) max_hops=1
[ 3.007382] Key type dns_resolver registered
[ 3.012052] Registering SWP/SWPB emulation handler
[ 3.153239] snvs_rtc 400a7000.snvs:snvs-rtc-lp: setting system clock to 2017-10-11 10:21:54 UTC (1507717314)
[ 3.165217] ALSA device list:
[ 3.168218] No soundcards found.
[ 3.184131] EXT4-fs (mmcblk0p2): couldn't mount as ext3 due to feature incompatibilities
[ 3.232533] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 3.241221] VFS: Mounted root (ext4 filesystem) on device 179:2.
[ 3.251389] devtmpfs: mounted
[ 3.260378] Freeing unused kernel memory: 1024K (c0f00000 - c1000000)
[ 3.310344] random: fast init done
[ 3.398264]
[ 3.399813] ======================================================
[ 3.406011] [ INFO: possible circular locking dependency detected ]
[ 3.412300] 4.9.21-fslc+gb69ecd63c123 #1 Not tainted
[ 3.417279] -------------------------------------------------------
[ 3.423561] init/1 is trying to acquire lock:
[ 3.427935] (((&sport->lpuart_timer))){+.-...}, at: [<c01a1f3c>] del_timer_sync+0x0/0xe4[ 3.436241] but task is already holding lock:
[ 3.440784] (&port_lock_key){..-...}, at: [<c0553cb0>] lpuart_set_termios+0x174/0x67c[ 3.448818] which lock already depends on the new lock.
[ 3.448818]
[ 3.455714]
[ 3.455714] the existing dependency chain (in reverse order) is:
[ 3.463209]
-> #1 (&port_lock_key){..-...}:
[ 3.467696] _raw_spin_lock_irqsave+0x48/0x5c
[ 3.472599] lpuart_copy_rx_to_tty+0x74/0x24c
[ 3.477498] lpuart_timer_func+0x18/0x1c
[ 3.481967] call_timer_fn+0xc4/0x3a0
[ 3.486170] expire_timers+0xf4/0x1fc
[ 3.490378] run_timer_softirq+0xa8/0x1b4
[ 3.494935] __do_softirq+0x160/0x530
[ 3.499157] irq_exit+0xf4/0x170
[ 3.502947] __handle_domain_irq+0x7c/0xf0
[ 3.507585] gic_handle_irq+0x60/0xc4
[ 3.511795] __irq_svc+0x70/0x98
[ 3.515582] lock_is_held+0x5c/0x6c
[ 3.519639] rcu_read_lock_held+0x80/0x90
[ 3.524217] workingset_activation+0x58/0x15c
[ 3.529121] mark_page_accessed+0x110/0x198
[ 3.533851] pagecache_get_page+0x1a4/0x2f4
[ 3.538598] __find_get_block_slow+0x58/0x1b8
[ 3.543502] __find_get_block+0x254/0x42c
[ 3.548056] __getblk_gfp+0xa8/0x3a0
[ 3.552177] __breadahead+0x2c/0x64
[ 3.556207] __ext4_get_inode_loc+0x4d0/0x5cc
[ 3.561109] ext4_iget+0x74/0xb30
[ 3.564992] ext4_get_journal_inode+0x1c/0xc4
[ 3.569899] ext4_fill_super+0x2444/0x33a0
[ 3.574550] mount_bdev+0x16c/0x1a4
[ 3.578586] ext4_mount+0x24/0x30
[ 3.582446] mount_fs+0x24/0xb8
[ 3.586153] vfs_kern_mount+0x64/0x13c
[ 3.590445] do_mount+0x168/0xcd4
[ 3.594302] SyS_mount+0x9c/0xc4
[ 3.598083] mount_block_root+0x118/0x284
[ 3.602638] mount_root+0x100/0x12c
[ 3.606672] prepare_namespace+0x16c/0x1d0
[ 3.611313] kernel_init_freeable+0x198/0x1e8
[ 3.616214] kernel_init+0x18/0x124
[ 3.620262] ret_from_fork+0x14/0x24
[ 3.624367]
-> #0 (((&sport->lpuart_timer))){+.-...}:
[ 3.629704] lock_acquire+0xd8/0x244
[ 3.633827] del_timer_sync+0x50/0xe4
[ 3.638036] lpuart_set_termios+0x5f0/0x67c
[ 3.642758] uart_change_speed+0x60/0x12c
[ 3.647311] uart_set_termios+0x9c/0x17c
[ 3.651798] tty_set_termios+0x14c/0x1d4
[ 3.656265] set_termios+0x194/0x490
[ 3.660385] tty_mode_ioctl+0x4a0/0x618
[ 3.664766] n_tty_ioctl_helper+0x38/0x124
[ 3.669406] n_tty_ioctl+0xbc/0x190
[ 3.673438] tty_ioctl+0x3ac/0x1038
[ 3.677489] do_vfs_ioctl+0xa4/0xa58
[ 3.681611] SyS_ioctl+0x44/0x6c
[ 3.685385] ret_fast_syscall+0x0/0x1c
[ 3.689667]
[ 3.689667] other info that might help us debug this:
[ 3.689667]
[ 3.697692] Possible unsafe locking scenario:
[ 3.697692]
[ 3.703623] CPU0 CPU1
[ 3.708168] ---- ----
[ 3.712712] lock(&port_lock_key);
[ 3.716261] lock(((&sport->lpuart_timer)));
[ 3.723191] lock(&port_lock_key);
[ 3.729245] lock(((&sport->lpuart_timer)));
[ 3.733653]
[ 3.733653] *** DEADLOCK ***
[ 3.733653]
[ 3.739601] 4 locks held by init/1:
[ 3.743100] #0: (&tty->ldisc_sem){++++..}, at: [<c0aa1af0>] ldsem_down_read+0x30/0x34
[ 3.751219] #1: (&tty->termios_rwsem){++++..}, at: [<c05351cc>] tty_set_termios+0x40/0x1d4
[ 3.759763] #2: (&port->mutex){+.+.+.}, at: [<c054b924>] uart_set_termios+0x34/0x17c
[ 3.767787] #3: (&port_lock_key){..-...}, at: [<c0553cb0>] lpuart_set_termios+0x174/0x67c
[ 3.776245]
[ 3.776245] stack backtrace:
[ 3.780630] CPU: 0 PID: 1 Comm: init Not tainted 4.9.21-fslc+gb69ecd63c123 #1
[ 3.787776] Hardware name: Freescale Vybrid VF5xx/VF6xx (Device Tree)
[ 3.794227] Backtrace:
[ 3.796728] [<c010d400>] (dump_backtrace) from [<c010d708>] (show_stack+0x20/0x24)
[ 3.804322] r7:00000000 r6:600c0093 r5:00000000 r4:c1055ea4
[ 3.810018] [<c010d6e8>] (show_stack) from [<c0486390>] (dump_stack+0xb4/0xe8)
[ 3.817272] [<c04862dc>] (dump_stack) from [<c017b9c4>] (print_circular_bug+0x1d8/0x310)
[ 3.825395] r9:00000000 r8:ce900000 r7:c12131d4 r6:ce8bdb74 r5:c12131d4 r4:c1205914
[ 3.833172] [<c017b7ec>] (print_circular_bug) from [<c017ee20>] (__lock_acquire+0x15f8/0x1918)
[ 3.841816] r10:ce900000 r9:00000004 r8:c1055fa0 r7:c1896444 r6:ce900508 r5:ce900528
[ 3.849661] r4:c12131d4 r3:ce900508
[ 3.853268] [<c017d828>] (__lock_acquire) from [<c017f574>] (lock_acquire+0xd8/0x244)
[ 3.861124] r10:600c0093 r9:00000000 r8:00000000 r7:00000000 r6:ceb8e178 r5:00000001
[ 3.868966] r4:00000000
[ 3.871539] [<c017f49c>] (lock_acquire) from [<c01a1f8c>] (del_timer_sync+0x50/0xe4)
[ 3.879314] r10:000000ac r9:ce8bdd14 r8:00000023 r7:ceb8e178 r6:00000001 r5:200c0093
[ 3.887157] r4:ceb8e160
[ 3.889728] [<c01a1f3c>] (del_timer_sync) from [<c055412c>] (lpuart_set_termios+0x5f0/0x67c)
[ 3.898191] r7:00000000 r6:00000000 r5:00000000 r4:ceb8e010
[ 3.903881] [<c0553b3c>] (lpuart_set_termios) from [<c054b2f4>] (uart_change_speed+0x60/0x12c)
[ 3.912519] r10:00000000 r9:ce883200 r8:ceb8e010 r7:00001cb2 r6:cddbd800 r5:ce8bdd14
[ 3.920362] r4:ceb8e010
[ 3.922927] [<c054b294>] (uart_change_speed) from [<c054b98c>] (uart_set_termios+0x9c/0x17c)
[ 3.931388] r7:00001cb2 r6:ce883324 r5:ce8bdd14 r4:cddbd800
[ 3.937081] [<c054b8f0>] (uart_set_termios) from [<c05352d8>] (tty_set_termios+0x14c/0x1d4)
[ 3.945464] r9:00004d04 r8:00000000 r7:00000000 r6:00000e0b r5:cddbd930 r4:cddbd800
[ 3.953241] [<c053518c>] (tty_set_termios) from [<c05359d8>] (set_termios+0x194/0x490)
[ 3.961190] r10:00000051 r9:00000000 r8:ce8bdd74 r7:cddf13c0 r6:00000008 r5:00000000
[ 3.969033] r4:cddbd800
[ 3.971603] [<c0535844>] (set_termios) from [<c05361d8>] (tty_mode_ioctl+0x4a0/0x618)
[ 3.979458] r10:00000000 r9:c0531738 r8:cddf13c0 r7:bee82afc r6:cddbd800 r5:bee82afc
[ 3.987301] r4:cddbd800
[ 3.989871] [<c0535d38>] (tty_mode_ioctl) from [<c0536388>] (n_tty_ioctl_helper+0x38/0x124)
[ 3.998247] r9:c0531738 r8:cddf13c0 r7:bee82afc r6:cddbd800 r5:bee82afc r4:bee82afc
[ 4.006022] [<c0536350>] (n_tty_ioctl_helper) from [<c05317f4>] (n_tty_ioctl+0xbc/0x190)
[ 4.014132] r7:bee82afc r6:cddbd800 r5:cddbd800 r4:bee82afc
[ 4.019820] [<c0531738>] (n_tty_ioctl) from [<c052f3e4>] (tty_ioctl+0x3ac/0x1038)
[ 4.027331] r9:c0531738 r8:cddf13c0 r7:bee82afc r6:cde11640 r5:cddbd800 r4:00005402
[ 4.035107] [<c052f038>] (tty_ioctl) from [<c0282900>] (do_vfs_ioctl+0xa4/0xa58)
[ 4.042528] r9:ce8bc000 r8:00000000 r7:c02832f8 r6:cde11640 r5:cea4e2e8 r4:bee82afc
[ 4.050305] [<c028285c>] (do_vfs_ioctl) from [<c02832f8>] (SyS_ioctl+0x44/0x6c)
[ 4.057648] r10:00000000 r9:ce8bc000 r8:bee82afc r7:00005402 r6:cde11640 r5:00000000
[ 4.065490] r4:cde11640
[ 4.068062] [<c02832b4>] (SyS_ioctl) from [<c01084c0>] (ret_fast_syscall+0x0/0x1c)
[ 4.075664] r9:ce8bc000 r8:c0108664 r7:00000036 r6:00001cb2 r5:00000e0b r4:00000000
INIT: version 2.88 booting
Starting udev
[ 4.964679] udevd[118]: starting version 3.2
[ 5.040082] udevd[119]: starting eudev-3.2
[ 5.705758] EXT4-fs (mmcblk0p2): re-mounted. Opts: data=ordered
INIT: Entering runlevel: 5
Configuring network interfaces... [ 7.835418] Generic PHY 400d0000.etherne:00: attached PHY driver [Generic PHY] (mii_bus:phy_addr=400d0000.etherne:00, irq=-1)
[ 7.847456] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
udhcpc (v1.24.1) started
Sending discover...
[ 9.895875] fec 400d0000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
[ 9.903907] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
Sending discover...
Sending select for 192.168.10.37...
Lease of 192.168.10.37 obtained, lease time 259200
/etc/udhcpc.d/50default: Adding DNS 192.168.10.2
/etc/udhcpc.d/50default: Adding DNS 192.168.10.254
done.
Starting syslogd/klogd: doneFSLC FrameBuffer 2.2.2 twr-vf65gs10 /dev/ttyLP1
twr-vf65gs10 login: [ 206.455204] random: crng init done
So, what to do with the deadlock?
Hello OtavioSalvador, would you know if there's any bug report regarding a similar issue on the morty branch?
Regards,
I didn't receive any report about it, that said, I advice you to use the rocko branch as it offers a much newer kernel and this is likely fixed there.