Trying 192.168.56.21... Connected to conserv1. Escape character is '^]'. ser2net port telnet,3001 device serialdev, /dev/serial/by-path/platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2.1.4:1.0-port0, 115200n81, local=false [] (Debian GNU/Linux) U-Boot SPL 2015.10-00061-g68849f9 (Jan 08 2016 - 17:01:43) U-Boot 2015.10-00061-g68849f9 (Jan 08 2016 - 17:01:43 +0100) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Board: UDOO Quad DRAM: 1 GiB MMC: FSL_SDHC: 0 *** Warning - bad CRC, using default environment No panel detected: default to HDMI Display: HDMI (1024x768) In: serial Out: serial Err: serial Net: using phy at 6 FEC [PRIME] Hit any key to stop autoboot: 3  0 => setenv autoload no setenv autoload no => setenv initrd_high 0xffffffff setenv initrd_high 0xffffffff => setenv fdt_high 0xffffffff setenv fdt_high 0xffffffff => dhcp dhcp FEC Waiting for PHY auto negotiation to complete.... done BOOTP broadcast 1 BOOTP broadcast 2 BOOTP broadcast 3 BOOTP broadcast 4 BOOTP broadcast 5 *** Unhandled DHCP Option in OFFER/ACK: 42 *** Unhandled DHCP Option in OFFER/ACK: 42 DHCP client bound to address 192.168.56.141 (3880 ms) => setenv serverip 192.168.56.75 setenv serverip 192.168.56.75 => tftp 0x12000000 151864/tftp-deploy-ye4_c_cl/kernel/zImage tftp 0x12000000 151864/tftp-deploy-ye4_c_cl/kernel/zImage Using FEC device TFTP from server 192.168.56.75; our IP address is 192.168.56.141 Filename '151864/tftp-deploy-ye4_c_cl/kernel/zImage'. Load address: 0x12000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################ 4.9 MiB/s done Bytes transferred = 6422640 (620070 hex) => tftp 0x13000000 151864/tftp-deploy-ye4_c_cl/ramdisk/ramdisk.cpio.gz.uboot tftp 0x13000000 151864/tftp-deploy-ye4_c_cl/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.56.75; our IP address is 192.168.56.141 Filename '151864/tftp-deploy-ye4_c_cl/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x13000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ########## 9.5 MiB/s done Bytes transferred = 4914135 (4afbd7 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x18000000 151864/tftp-deploy-ye4_c_cl/dtb/imx6q-udoo.dtb tftp 0x18000000 151864/tftp-deploy-ye4_c_cl/dtb/imx6q-udoo.dtb Using FEC device TFTP from server 192.168.56.75; our IP address is 192.168.56.141 Filename '151864/tftp-deploy-ye4_c_cl/dtb/imx6q-udoo.dtb'. Load address: 0x18000000 Loading: *### 68.4 KiB/s done Bytes transferred = 29701 (7405 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.56.75:/var/lib/lava/dispatcher/tmp/151864/extract-nfsrootfs-nxlwqyc0,tcp,hard console_msg_format=syslog earlycon ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.56.75:/var/lib/lava/dispatcher/tmp/151864/extract-nfsrootfs-nxlwqyc0,tcp,hard console_msg_format=syslog earlycon ip=dhcp' => bootz 0x12000000 0x13000000 0x18000000 bootz 0x12000000 0x13000000 0x18000000 Kernel image @ 0x12000000 [ 0x000000 - 0x620070 ] ## Loading init Ramdisk from Legacy Image at 13000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 4914071 Bytes = 4.7 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 18000000 Booting using the fdt blob at 0x18000000 Using Device Tree in place at 18000000, end 1800a404 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.4.302-st38 (KernelCI@build-j1169215-arm-gcc-10-imx-v6-v7-defconfig-fpmm7) (gcc version 10.2.1 20210110 (Debian 10.2.1-6) ) #1 SMP Mon Mar 13 12:51:50 UTC 2023 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] Machine model: Udoo i.MX6 Quad Board [ 0.000000] bootconsole [uart0] enabled [ 0.000000] cma: Reserved 16 MiB at 0x4f000000 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] PERCPU: Embedded 11 pages/cpu @ef7a5000 s14696 r8192 d22168 u45056 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 260608 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.56.75:/var/lib/lava/dispatcher/tmp/151864/extract-nfsrootfs-nxlwqyc0,tcp,hard console_msg_format=syslog earlycon ip=dhcp [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Memory: 997832K/1048576K available (8245K kernel code, 443K rwdata, 2728K rodata, 448K init, 8296K bss, 34360K reserved, 16384K cma-reserved, 245760K highmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) [ 0.000000] vmalloc : 0xf0800000 - 0xff800000 ( 240 MB) [ 0.000000] lowmem : 0xc0000000 - 0xf0000000 ( 768 MB) [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB) [ 0.000000] .text : 0xc0008000 - 0xc0abf834 (10975 kB) [ 0.000000] .init : 0xc0ac0000 - 0xc0b30000 ( 448 kB) [ 0.000000] .data : 0xc0b30000 - 0xc0b9eda0 ( 444 kB) [ 0.000000] .bss : 0xc0ba1000 - 0xc13bb390 (8297 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, 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] NR_IRQS:16 nr_irqs:16 16 [ 0.000000] L2C-310 erratum 769419 enabled [ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 [ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 [ 0.000000] L2C-310 ID prefetch enabled, offset 1 lines [ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled [ 0.000000] L2C-310 cache controller enabled, 16 ways, 1024 kB [ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 [ 0.000000] Switching to timer-based delay loop, resolution 333ns [ 0.000008] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns [ 0.008191] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns [ 0.019067] Console: colour dummy device 80x30 [ 0.022272] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.030027] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.034099] ... MAX_LOCK_DEPTH: 48 [ 0.038285] ... MAX_LOCKDEP_KEYS: 8191 [ 0.042624] ... CLASSHASH_SIZE: 4096 [ 0.046985] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.051411] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.055849] ... CHAINHASH_SIZE: 32768 [ 0.060296] memory used by lock dependency info: 5167 kB [ 0.065679] per task-struct memory footprint: 1536 bytes [ 0.071111] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) [ 0.081256] pid_max: default: 32768 minimum: 301 [ 0.086144] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.092502] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.101117] CPU: Testing write buffer coherency: ok [ 0.104398] CPU0: Spectre v2: using BPIALL workaround [ 0.110227] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.115174] Setting up static identity map for 0x10008280 - 0x100082f0 [ 0.125773] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.125780] CPU1: Spectre v2: using BPIALL workaround [ 0.135124] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.135131] CPU2: Spectre v2: using BPIALL workaround [ 0.145625] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.145632] CPU3: Spectre v2: using BPIALL workaround [ 0.155203] Brought up 4 CPUs [ 0.158019] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.164170] CPU: All CPU(s) started in SVC mode. [ 0.170732] devtmpfs: initialized [ 0.195272] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.200809] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.209965] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.217774] pinctrl core: initialized pinctrl subsystem [ 0.224255] NET: Registered protocol family 16 [ 0.228749] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.234741] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.275856] No ATAGs? [ 0.275929] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.283302] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.291309] imx6q-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver [ 0.353052] mxs-dma 110000.dma-apbh: initialized [ 0.358033] vgaarb: loaded [ 0.358985] SCSI subsystem initialized [ 0.362683] usbcore: registered new interface driver usbfs [ 0.367289] usbcore: registered new interface driver hub [ 0.372524] usbcore: registered new device driver usb [ 0.379279] i2c i2c-1: IMX I2C adapter registered [ 0.382168] i2c i2c-1: can't use DMA [ 0.385857] Linux video capture interface: v2.00 [ 0.390565] pps_core: LinuxPPS API ver. 1 registered [ 0.395292] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.404495] PTP clock support registered [ 0.408971] Advanced Linux Sound Architecture Driver Initialized. [ 0.416840] Bluetooth: Core ver 2.21 [ 0.418071] NET: Registered protocol family 31 [ 0.422436] Bluetooth: HCI device and connection manager initialized [ 0.428861] Bluetooth: HCI socket layer initialized [ 0.433676] Bluetooth: L2CAP socket layer initialized [ 0.438858] Bluetooth: SCO socket layer initialized [ 0.445875] clocksource: Switched to clocksource mxc_timer1 [ 0.477037] NET: Registered protocol family 2 [ 0.478810] IP idents hash table entries: 16384 (order: 5, 131072 bytes) [ 0.487233] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.492413] TCP bind hash table entries: 8192 (order: 6, 294912 bytes) [ 0.500140] TCP: Hash tables configured (established 8192 bind 8192) [ 0.505341] UDP hash table entries: 512 (order: 3, 40960 bytes) [ 0.511303] UDP-Lite hash table entries: 512 (order: 3, 40960 bytes) [ 0.518020] NET: Registered protocol family 1 [ 0.522707] RPC: Registered named UNIX socket transport module. [ 0.527731] RPC: Registered udp transport module. [ 0.532395] RPC: Registered tcp transport module. [ 0.537114] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.544250] Trying to unpack rootfs image as initramfs... [ 0.890970] Freeing initrd memory: 4800K [ 0.893188] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 0.920605] VFS: Disk quotas dquot_6.6.0 [ 0.922099] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 0.934621] NFS: Registering the id_resolver key type [ 0.937058] Key type id_resolver registered [ 0.940997] Key type id_legacy registered [ 0.945154] jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc. [ 0.952800] fuse init (API version 7.23) [ 0.963683] bounce: pool size: 64 pages [ 0.964749] io scheduler noop registered [ 0.968676] io scheduler deadline registered [ 0.972927] io scheduler cfq registered (default) [ 0.978240] imx-weim 21b8000.weim: Driver registered. [ 0.994338] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 1.001028] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 1.007567] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 284, base_baud = 5000000) is a IMX [ 1.020412] console [ttymxc1] enabled [ 1.020412] console [ttymxc1] enabled [ 1.024880] bootconsole [uart0] disabled [ 1.024880] bootconsole [uart0] disabled [ 1.035324] [drm] Initialized drm 1.1.0 20060810 [ 1.045722] imx-ipuv3 2400000.ipu: IPUv3H probed [ 1.055103] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 1.061770] [drm] No driver support for vblank timestamp query. [ 1.068195] imx-drm display-subsystem: bound imx-ipuv3-crtc.2 (ops ipu_crtc_ops) [ 1.075763] imx-drm display-subsystem: bound imx-ipuv3-crtc.3 (ops ipu_crtc_ops) [ 1.083360] imx-drm display-subsystem: bound imx-ipuv3-crtc.6 (ops ipu_crtc_ops) [ 1.090957] imx-drm display-subsystem: bound imx-ipuv3-crtc.7 (ops ipu_crtc_ops) [ 1.098785] dwhdmi-imx 120000.hdmi: Detected HDMI controller 0x13:0xa:0xa0:0xc1 [ 1.107521] imx-drm display-subsystem: bound 120000.hdmi (ops dw_hdmi_imx_ops) [ 1.115298] imx-drm display-subsystem: No connectors reported connected with modes [ 1.122927] [drm] Cannot find any crtc or sizes - going 1024x768 [ 1.143377] Console: switching to colour frame buffer device 128x48 [ 1.155272] imx-drm display-subsystem: fb0: frame buffer device [ 1.185894] [drm] Initialized imx-drm 1.0.0 20120507 on minor 0 [ 1.191853] imx-ipuv3 2800000.ipu: IPUv3H probed [ 1.222562] brd: module loaded [ 1.242725] loop: module loaded [ 1.247417] ahci-imx 2200000.sata: fsl,transmit-level-mV not specified, using 00000024 [ 1.255350] ahci-imx 2200000.sata: fsl,transmit-boost-mdB not specified, using 00000480 [ 1.263410] ahci-imx 2200000.sata: fsl,transmit-atten-16ths not specified, using 00002000 [ 1.271621] ahci-imx 2200000.sata: fsl,receive-eq-mdB not specified, using 05000000 [ 1.282650] ahci-imx 2200000.sata: SSS flag set, parallel bus scan disabled [ 1.289678] ahci-imx 2200000.sata: AHCI 0001.0300 32 slots 1 ports 3 Gbps 0x1 impl platform mode [ 1.298505] ahci-imx 2200000.sata: flags: ncq sntf stag pm led clo only pmp pio slum part ccc apst [ 1.310502] scsi host0: ahci-imx [ 1.314820] ata1: SATA max UDMA/133 mmio [mem 0x02200000-0x02203fff] port 0x100 irq 287 [ 1.326629] CAN device driver interface [ 1.332139] 2188000.ethernet supply phy not found, using dummy regulator [ 1.339953] pps pps0: new PPS source ptp0 [ 1.372752] fec 2188000.ethernet eth0: registered PHC device 0 [ 1.380035] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1.386615] ehci-pci: EHCI PCI platform driver [ 1.391198] ehci-mxc: Freescale On-Chip EHCI Host driver [ 1.396894] usbcore: registered new interface driver usb-storage [ 1.410224] ci_hdrc ci_hdrc.0: EHCI Host Controller [ 1.415446] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1 [ 1.435926] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00 [ 1.444661] hub 1-0:1.0: USB hub found [ 1.448627] hub 1-0:1.0: 1 port detected [ 1.455886] mousedev: PS/2 mouse device common for all mice [ 1.466760] snvs_rtc 20cc000.snvs:snvs-rtc-lp: rtc core: registered 20cc000.snvs:snvs-r as rtc0 [ 1.475678] i2c /dev entries driver [ 1.481307] IR NEC protocol handler initialized [ 1.485894] IR RC5(x/sz) protocol handler initialized [ 1.490962] IR RC6 protocol handler initialized [ 1.495507] IR JVC protocol handler initialized [ 1.500075] IR Sony protocol handler initialized [ 1.504707] IR SANYO protocol handler initialized [ 1.509444] IR Sharp protocol handler initialized [ 1.514165] IR MCE Keyboard/mouse protocol handler initialized [ 1.520029] IR XMP protocol handler initialized [ 1.532047] coda 2040000.vpu: Direct firmware load for v4l-coda960-imx6q.bin failed with error -2 [ 1.540985] coda 2040000.vpu: firmware request failed [ 1.546462] imx2-wdt 20bc000.wdog: timeout 60 sec (nowayout=0) [ 1.552545] Bluetooth: HCI UART driver ver 2.3 [ 1.557033] Bluetooth: HCI UART protocol H4 registered [ 1.562178] Bluetooth: HCI UART protocol LL registered [ 1.567723] sdhci: Secure Digital Host Controller Interface driver [ 1.573910] sdhci: Copyright(c) Pierre Ossman [ 1.578302] sdhci-pltfm: SDHCI platform and OF driver helper [ 1.585169] sdhci-esdhc-imx 2198000.usdhc: could not get ultra high speed state, work on normal mode [ 1.594385] sdhci-esdhc-imx 2198000.usdhc: Got CD GPIO [ 1.599879] sdhci-esdhc-imx 2198000.usdhc: No vmmc regulator found [ 1.606103] sdhci-esdhc-imx 2198000.usdhc: No vqmmc regulator found [ 1.655909] ata1: SATA link down (SStatus 0 SControl 300) [ 1.661390] ahci-imx 2200000.sata: no device found, disabling link. [ 1.667698] ahci-imx 2200000.sata: pass ahci_imx..hotplug=1 to enable hotplug [ 1.675337] mmc0: SDHCI controller on 2198000.usdhc [2198000.usdhc] using ADMA [ 1.685514] caam 2100000.caam: Entropy delay = 3200 [ 1.685925] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 1.724310] mmc0: host does not support reading read-only switch, assuming write-enable [ 1.738432] mmc0: new high speed SDXC card at address 59b4 [ 1.745771] mmcblk0: mmc0:59b4 SD128 119 GiB [ 1.754112] mmcblk0: p1 p2 [ 1.757672] caam 2100000.caam: Instantiated RNG4 SH0 [ 1.818436] caam 2100000.caam: Instantiated RNG4 SH1 [ 1.823531] caam 2100000.caam: device ID = 0x0a16010000000000 (Era 4) [ 1.830011] caam 2100000.caam: job rings = 2, qi = 0 [ 1.839057] hub 1-1:1.0: USB hub found [ 1.843046] hub 1-1:1.0: 4 ports detected [ 1.850545] caam algorithms registered in /proc/crypto [ 1.860705] caam_jr 2101000.jr0: registering rng-caam [ 1.866491] usbcore: registered new interface driver usbhid [ 1.872072] usbhid: USB HID core driver [ 1.881621] fsl-asrc 2034000.asrc: driver registered [ 1.892268] NET: Registered protocol family 10 [ 1.899441] sit: IPv6 over IPv4 tunneling driver [ 1.906091] NET: Registered protocol family 17 [ 1.910582] can: controller area network core (rev 20120528 abi 9) [ 1.917295] NET: Registered protocol family 29 [ 1.921767] can: raw protocol (rev 20120528) [ 1.926185] can: broadcast manager protocol (rev 20120528 t) [ 1.931887] can: netlink gateway (rev 20130117) max_hops=1 [ 1.938066] Key type dns_resolver registered [ 1.947490] Registering SWP/SWPB emulation handler [ 1.957853] imx_thermal 2000000.aips-bus:tempmon: Extended Commercial CPU temperature grade - max:105C critical:100C passive:95C [ 1.971242] snvs_rtc 20cc000.snvs:snvs-rtc-lp: setting system clock to 1970-01-01 00:00:00 UTC (0) [ 2.023644] fec 2188000.ethernet eth0: Freescale FEC PHY driver [Generic PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=-1) [ 2.035267] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 2.125918] usb 1-1.3: new high-speed USB device number 3 using ci_hdrc [ 8.017696] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 8.037238] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 8.057129] Sending DHCP requests ..., OK [ 14.296016] IP-Config: Got DHCP answer from 192.168.56.254, my address is 192.168.56.141 [ 14.305145] IP-Config: Complete: [ 14.308508] device=eth0, hwaddr=00:c0:08:88:16:0e, ipaddr=192.168.56.141, mask=255.255.255.0, gw=192.168.56.254 [ 14.319108] host=192.168.56.141, domain=mayfield.sirena.org.uk, nis-domain=(none) [ 14.327089] bootserver=192.168.56.254, rootserver=192.168.56.75, rootpath= [ 14.334242] nameserver0=192.168.56.254 [ 14.339977] ALSA device list: [ 14.342967] No soundcards found. [ 14.349473] Freeing unused kernel memory: 448K Loading, please wait... Starting version 247.3-7+deb11u1 Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/nfs-top ... done. Begin: Running /scripts/nfs-premount ... Waiting up to 60 secs for any ethernet to become available Device /sys/class/net/eth0 found done. IP-Config: eth0 hardware address 00:c0:08:88:16:0e mtu 1500 DHCP IP-Config: eth0 complete (dhcp from 192.168.56.254): address: 192.168.56.141 broadcast: 192.168.56.255 netmask: 255.255.255.0 gateway: 192.168.56.254 dns0 : 192.168.56.254 dns1 : 0.0.0.0 domain : mayfield.sirena.org.uk rootserver: 192.168.56.254 rootpath: filename : [ 16.045992] fec 2188000.ethernet eth0: MDIO read timeout done. Begin: Running /scripts/nfs-bottom ... done. Begin: Running /scripts/init-bottom ... done. [ 16.460921] [ 16.462428] =============================== [ 16.466643] [ INFO: suspicious RCU usage. ] [ 16.470838] 4.4.302-st38 #1 Not tainted [ 16.474678] ------------------------------- [ 16.478881] ../net/ipv4/tcp_ipv4.c:1402 suspicious rcu_dereference_protected() usage! [ 16.486726] [ 16.486726] other info that might help us debug this: [ 16.486726] [ 16.494738] [ 16.494738] rcu_scheduler_active = 1, debug_locks = 0 [ 16.501285] 3 locks held by kworker/0:1H/201: [ 16.505646] #0: (\"rpciod\"){.+.+.+}, at: [] process_one_work+0x1b4/0x4b4 [ 16.513418] #1: ((&transport->recv_worker)){+.+...}, at: [] process_one_work+0x1b4/0x4b4 [ 16.522657] #2: (&new->recv_mutex){+.+...}, at: [] xs_tcp_data_receive_workfn+0x40/0xa0 [ 16.531814] [ 16.531814] stack backtrace: [ 16.536199] CPU: 0 PID: 201 Comm: kworker/0:1H Not tainted 4.4.302-st38 #1 [ 16.543080] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 16.549620] Workqueue: rpciod xs_tcp_data_receive_workfn [ 16.554948] Backtrace: [ 16.557422] [] (dump_backtrace) from [] (show_stack+0x18/0x1c) [ 16.564996] r7:00000000 r6:60000013 r5:00000000 r4:c0b4fe0c [ 16.570728] [] (show_stack) from [] (dump_stack+0xe4/0x118) [ 16.578057] [] (dump_stack) from [] (lockdep_rcu_suspicious+0xc4/0x118) [ 16.586411] r9:000002f1 r8:ee3b9630 r7:ee2f1780 r6:c09db6f0 r5:0000057a r4:c0a6b11c [ 16.594249] [] (lockdep_rcu_suspicious) from [] (tcp_v4_do_rcv+0x1f8/0x214) [ 16.602949] r7:c0b9e984 r6:00000001 r5:ee3b95c0 r4:c3261600 [ 16.608683] [] (tcp_v4_do_rcv) from [] (release_sock+0x7c/0x1ac) [ 16.616434] r7:c13b0b40 r6:00000000 r5:ee3b95c0 r4:c32616c0 [ 16.622203] [] (release_sock) from [] (xs_tcp_data_receive_workfn+0x80/0xa0) [ 16.630998] r10:00000001 r9:00000000 r8:c3137eb0 r7:ee19ac7c r6:c0761ed8 r5:ee3b95c0 [ 16.638941] r4:00001c48 r3:00000000 [ 16.642588] [] (xs_tcp_data_receive_workfn) from [] (process_one_work+0x224/0x4b4) [ 16.651905] r7:ef7aca00 r6:ef7a7c40 r5:c317d300 r4:ee19ac5c [ 16.657671] [] (process_one_work) from [] (worker_thread+0x3c/0x4e4) [ 16.665772] r10:ef7a7c40 r9:c3136000 r8:00000008 r7:ef7a7c70 r6:c317d318 r5:ef7a7c40 [ 16.673714] r4:c317d300 [ 16.676294] [] (worker_thread) from [] (kthread+0x100/0x110) [ 16.683700] r10:00000000 r9:00000000 r8:c0047278 r7:c317d300 r6:c3136000 r5:ee296a40 [ 16.691642] r4:00000000 r3:ee2f1780 [ 16.695290] [] (kthread) from [] (ret_from_fork+0x14/0x38) [ 16.702524] r8:00000000 r7:00000000 r6:00000000 r5:c004bfec r4:ee296a40 [ 143.046018] random: nonblocking pool is initialized