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 192.168.56.38 (3980 ms) => setenv serverip 192.168.56.75 setenv serverip 192.168.56.75 => tftp 0x12000000 575462/tftp-deploy-fsd3k9lx/kernel/zImage tftp 0x12000000 575462/tftp-deploy-fsd3k9lx/kernel/zImage Using FEC device TFTP from server 192.168.56.75; our IP address is 192.168.56.38 Filename '575462/tftp-deploy-fsd3k9lx/kernel/zImage'. Load address: 0x12000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################ 7.9 MiB/s done Bytes transferred = 6660440 (65a158 hex) => tftp 0x13000000 575462/tftp-deploy-fsd3k9lx/ramdisk/ramdisk.cpio.gz.uboot tftp 0x13000000 575462/tftp-deploy-fsd3k9lx/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.56.75; our IP address is 192.168.56.38 Filename '575462/tftp-deploy-fsd3k9lx/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x13000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################## 8.7 MiB/s done Bytes transferred = 7114449 (6c8ed1 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x18000000 575462/tftp-deploy-fsd3k9lx/dtb/imx6q-udoo.dtb tftp 0x18000000 575462/tftp-deploy-fsd3k9lx/dtb/imx6q-udoo.dtb Using FEC device TFTP from server 192.168.56.75; our IP address is 192.168.56.38 Filename '575462/tftp-deploy-fsd3k9lx/dtb/imx6q-udoo.dtb'. Load address: 0x18000000 Loading: *### 5.7 MiB/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/575462/extract-nfsrootfs-90lig3li,tcp,hard ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.56.75:/var/lib/lava/dispatcher/tmp/575462/extract-nfsrootfs-90lig3li,tcp,hard ip=dhcp' => bootz 0x12000000 0x13000000 0x18000000 bootz 0x12000000 0x13000000 0x18000000 Kernel image @ 0x12000000 [ 0x000000 - 0x65a158 ] ## Loading init Ramdisk from Legacy Image at 13000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 7114385 Bytes = 6.8 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-cip76-rt44 (KernelCI@build-j3470-arm-gcc-10-multi-v7-defconfig-preempt-rt-277nm) (gcc version 10.2.1 20210110 (Debian 10.2.1-6) ) #1 SMP PREEMPT RT Wed Jun 7 13:45:51 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] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] PERCPU: Embedded 12 pages/cpu @ef7a7000 s16672 r8192 d24288 u49152 [ 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/575462/extract-nfsrootfs-90lig3li,tcp,hard ip=dhcp [ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes) [ 0.000000] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Memory: 951196K/1048576K available (8714K kernel code, 1024K rwdata, 3900K rodata, 1028K init, 325K bss, 31844K reserved, 65536K cma-reserved, 196608K 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 : 0xc0208000 - 0xc0e5a9ac (12619 kB) [ 0.000000] .init : 0xc0e5b000 - 0xc0f5c000 (1028 kB) [ 0.000000] .data : 0xc0f5c000 - 0xc105c180 (1025 kB) [ 0.000000] .bss : 0xc105f000 - 0xc10b04b4 ( 326 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] Build-time adjustment of leaf fanout to 32. [ 0.000000] RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=32, nr_cpu_ids=4 [ 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 [ 0.000006] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns [ 0.000019] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns [ 0.001925] Console: colour dummy device 80x30 [ 0.002070] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=15000) [ 0.002075] pid_max: default: 32768 minimum: 301 [ 0.002184] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.002192] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.002836] CPU: Testing write buffer coherency: ok [ 0.002842] CPU0: Spectre v2: using BPIALL workaround [ 0.003131] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.003233] Setting up static identity map for 0x10209000 - 0x10209098 [ 0.069626] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.069632] CPU1: Spectre v2: using BPIALL workaround [ 0.089618] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.089624] CPU2: Spectre v2: using BPIALL workaround [ 0.109617] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.109622] CPU3: Spectre v2: using BPIALL workaround [ 0.109726] Brought up 4 CPUs [ 0.109759] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.109767] CPU: All CPU(s) started in SVC mode. [ 0.110842] devtmpfs: initialized [ 0.120564] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.121251] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 9556302231375000 ns [ 0.121286] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.125477] pinctrl core: initialized pinctrl subsystem [ 0.127573] NET: Registered protocol family 16 [ 0.131812] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.144411] cpuidle: using governor ladder [ 0.159380] cpuidle: using governor menu [ 0.159684] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.179583] No ATAGs? [ 0.179638] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.179651] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.182447] imx6q-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver [ 0.185077] Serial: AMBA PL011 UART driver [ 0.187239] imx-gpc 20dc000.gpc: failed to get pu regulator: -517 [ 0.215073] mxs-dma 110000.dma-apbh: initialized [ 0.219732] vgaarb: loaded [ 0.220884] SCSI subsystem initialized [ 0.221441] usbcore: registered new interface driver usbfs [ 0.221517] usbcore: registered new interface driver hub [ 0.221595] usbcore: registered new device driver usb [ 0.223318] pps_core: LinuxPPS API ver. 1 registered [ 0.223329] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.223363] PTP clock support registered [ 0.223629] EDAC MC: Ver: 3.0.0 [ 0.226620] clocksource: Switched to clocksource mxc_timer1 [ 0.239204] NET: Registered protocol family 2 [ 0.239382] IP idents hash table entries: 16384 (order: 5, 131072 bytes) [ 0.240554] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.240656] TCP bind hash table entries: 8192 (order: 5, 229376 bytes) [ 0.241228] TCP: Hash tables configured (established 8192 bind 8192) [ 0.241341] UDP hash table entries: 512 (order: 3, 32768 bytes) [ 0.241441] UDP-Lite hash table entries: 512 (order: 3, 32768 bytes) [ 0.241841] NET: Registered protocol family 1 [ 0.242173] RPC: Registered named UNIX socket transport module. [ 0.242187] RPC: Registered udp transport module. [ 0.242195] RPC: Registered tcp transport module. [ 0.242203] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.242759] Unpacking initramfs... [ 0.741833] Freeing initrd memory: 6948K [ 0.742267] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 0.757299] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.763511] NFS: Registering the id_resolver key type [ 0.763557] Key type id_resolver registered [ 0.763568] Key type id_legacy registered [ 0.763658] ntfs: driver 2.1.32 [Flags: R/O]. [ 0.765539] bounce: pool size: 64 pages [ 0.765806] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 0.765834] io scheduler noop registered [ 0.765854] io scheduler deadline registered [ 0.766247] io scheduler cfq registered (default) [ 0.784704] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 0.784727] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 0.860518] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 0.863423] SuperH (H)SCI(F) driver initialized [ 0.864326] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 284, base_baud = 5000000) is a IMX [ 1.552416] console [ttymxc1] enabled [ 1.557146] msm_serial: driver initialized [ 1.561941] STMicroelectronics ASC driver initialized [ 1.568869] [drm] Initialized drm 1.1.0 20060810 [ 1.584332] loop: module loaded [ 1.596589] CAN device driver interface [ 1.602341] 2188000.ethernet supply phy not found, using dummy regulator [ 1.609376] pps pps0: new PPS source ptp0 [ 1.635341] fec 2188000.ethernet eth0: registered PHC device 0 [ 1.641687] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.3.0-k [ 1.648658] igb: Copyright (c) 2007-2014 Intel Corporation. [ 1.657825] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 1.665314] usbcore: registered new interface driver pegasus [ 1.671067] usbcore: registered new interface driver asix [ 1.676537] usbcore: registered new interface driver ax88179_178a [ 1.682700] usbcore: registered new interface driver cdc_ether [ 1.688627] usbcore: registered new interface driver smsc75xx [ 1.694466] usbcore: registered new interface driver smsc95xx [ 1.700291] usbcore: registered new interface driver net1080 [ 1.706032] usbcore: registered new interface driver cdc_subset [ 1.712021] usbcore: registered new interface driver zaurus [ 1.717706] usbcore: registered new interface driver cdc_ncm [ 1.725341] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 1.731886] ehci-pci: EHCI PCI platform driver [ 1.736402] ehci-platform: EHCI generic platform driver [ 1.741886] ehci-omap: OMAP-EHCI Host Controller driver [ 1.747294] ehci-orion: EHCI orion driver [ 1.751473] SPEAr-ehci: EHCI SPEAr driver [ 1.755667] ehci-st: EHCI STMicroelectronics driver [ 1.760730] ehci-exynos: EHCI EXYNOS driver [ 1.765132] ehci-atmel: EHCI Atmel driver [ 1.769320] tegra-ehci: Tegra EHCI driver [ 1.773527] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 1.779739] ohci-pci: OHCI PCI platform driver [ 1.784256] ohci-platform: OHCI generic platform driver [ 1.789687] ohci-omap3: OHCI OMAP3 driver [ 1.793876] SPEAr-ohci: OHCI SPEAr driver [ 1.798064] ohci-st: OHCI STMicroelectronics driver [ 1.803120] ohci-atmel: OHCI Atmel driver [ 1.807767] usbcore: registered new interface driver usb-storage [ 1.819734] ci_hdrc ci_hdrc.0: EHCI Host Controller [ 1.824646] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1 [ 1.841648] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00 [ 1.848044] hub 1-0:1.0: USB hub found [ 1.851839] hub 1-0:1.0: 1 port detected [ 1.857136] mousedev: PS/2 mouse device common for all mice [ 1.867402] i2c /dev entries driver [ 1.880797] sdhci: Secure Digital Host Controller Interface driver [ 1.886985] sdhci: Copyright(c) Pierre Ossman [ 1.893322] Synopsys Designware Multimedia Card Interface Driver [ 1.900550] sdhci-pltfm: SDHCI platform and OF driver helper [ 1.907017] sdhci-esdhc-imx 2198000.usdhc: could not get ultra high speed state, work on normal mode [ 1.916185] sdhci-esdhc-imx 2198000.usdhc: Got CD GPIO [ 1.921461] sdhci-esdhc-imx 2198000.usdhc: No vmmc regulator found [ 1.927655] sdhci-esdhc-imx 2198000.usdhc: No vqmmc regulator found [ 1.966829] mmc0: SDHCI controller on 2198000.usdhc [2198000.usdhc] using ADMA [ 1.976369] usbcore: registered new interface driver usbhid [ 1.981950] usbhid: USB HID core driver [ 1.991068] NET: Registered protocol family 10 [ 1.996703] sit: IPv6 over IPv4 tunneling driver [ 2.002139] NET: Registered protocol family 17 [ 2.006671] can: controller area network core (rev 20120528 abi 9) [ 2.012950] NET: Registered protocol family 29 [ 2.014767] mmc0: host does not support reading read-only switch, assuming write-enable [ 2.020830] mmc0: new high speed SDXC card at address 59b4 [ 2.021390] mmcblk0: mmc0:59b4 SD128 119 GiB [ 2.023791] mmcblk0: p1 p2 [ 2.038062] can: raw protocol (rev 20120528) [ 2.042350] can: broadcast manager protocol (rev 20120528 t) [ 2.048039] can: netlink gateway (rev 20130117) max_hops=1 [ 2.054072] Key type dns_resolver registered [ 2.058900] ThumbEE CPU extension supported. [ 2.063200] Registering SWP/SWPB emulation handler [ 2.069952] imx-gpc 20dc000.gpc: failed to get pu regulator: -517 [ 2.077896] hctosys: unable to open rtc device (rtc0) [ 2.081683] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 2.192975] fec 2188000.ethernet eth0: Freescale FEC PHY driver [Micrel KSZ9031 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:06, irq=-1) [ 2.205751] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 2.213096] hub 1-1:1.0: USB hub found [ 2.217027] hub 1-1:1.0: 4 ports detected [ 2.222847] imx-gpc 20dc000.gpc: failed to get pu regulator: -517 [ 2.506656] usb 1-1.3: new high-speed USB device number 3 using ci_hdrc [ 2.637899] imx-gpc 20dc000.gpc: failed to get pu regulator: -517 [ 6.252022] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 6.261672] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 6.276650] Sending DHCP requests .., OK [ 9.236679] IP-Config: Got DHCP answer from 192.168.56.254, my address is 192.168.56.38 [ 9.244709] IP-Config: Complete: [ 9.247952] device=eth0, hwaddr=00:c0:08:88:16:0e, ipaddr=192.168.56.38, mask=255.255.255.0, gw=192.168.56.254 [ 9.258396] host=192.168.56.38, domain=mayfield.sirena.org.uk, nis-domain=(none) [ 9.266233] bootserver=192.168.56.254, rootserver=192.168.56.75, rootpath= [ 9.273377] nameserver0=192.168.56.254 [ 9.280416] Freeing unused kernel memory: 1028K Loading, please wait... [ 9.320440] BUG: scheduling while atomic: swapper/3/0/0x00000002 [ 9.320450] Modules linked in: [ 9.320471] Preemption disabled at:[] schedule_preempt_disabled+0x1c/0x20 [ 9.320472] [ 9.320482] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 4.4.302-cip76-rt44 #1 [ 9.320486] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 9.320527] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 9.320546] [] (show_stack) from [] (dump_stack+0xac/0xc0) [ 9.320567] [] (dump_stack) from [] (__schedule_bug+0x8c/0xa0) Starting version 247.3-7+deb11u2[ 9.320578] [] (__schedule_bug) from [] (__schedule+0x3ac/0x480) [ 9.320585] [] (__schedule) from [] (schedule+0x58/0xf4) [ 9.320596] [] (schedule) from [] (rt_spin_lock_slowlock+0x1b4/0x32c) [ 9.320610] [] (rt_spin_lock_slowlock) from [] (imx6q_enter_wait+0x6c/0xb4) [ 9.320627] [] (imx6q_enter_wait) from [] (cpuidle_enter_state+0x258/0x2e0) [ 9.320640] [] (cpuidle_enter_state) from [] (cpu_startup_entry+0x140/0x2c8) [ 9.320650] [] (cpu_startup_entry) from [<1020abcc>] (0x1020abcc) [ 9.320663] ------------[ cut here ]------------ [ 9.375019] bad: scheduling from the idle thread! [ 9.375031] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G W 4.4.302-cip76-rt44 #1 [ 9.375034] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 9.375075] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 9.375093] [] (show_stack) from [] (dump_stack+0xac/0xc0) [ 9.375109] [] (dump_stack) from [] (dequeue_task_idle+0x1c/0x28) [ 9.375121] [] (dequeue_task_idle) from [] (__schedule+0x254/0x480) [ 9.375128] [] (__schedule) from [] (schedule+0x58/0xf4) [ 9.375139] [] (schedule) from [] (rt_spin_lock_slowlock+0x1b4/0x32c) [ 9.375158] [] (rt_spin_lock_slowlock) from [] (imx_console_write+0x134/0x148) [ 9.375182] [] (imx_console_write) from [] (call_console_drivers.part.0.constprop.0+0xdc/0xf4) [ 9.375196] [] (call_console_drivers.part.0.constprop.0) from [] (console_unlock.part.0+0x424/0x574) [ 9.375207] [] (console_unlock.part.0) from [] (vprintk_emit+0x320/0x528) [ 9.375218] [] (vprintk_emit) from [] (vprintk_default+0x28/0x30) [ 9.375229] [] (vprintk_default) from [] (printk+0x74/0x84) [ 9.375239] [] (printk) from [] (warn_slowpath_common+0x28/0xa8) [ 9.375253] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x1c/0x24) [ 9.375270] [] (warn_slowpath_null) from [] (cpuidle_enter_state+0x2b8/0x2e0) [ 9.375280] [] (cpuidle_enter_state) from [] (cpu_startup_entry+0x140/0x2c8) [ 9.375289] [] (cpu_startup_entry) from [<1020abcc>] (0x1020abcc) [ 9.665481] WARNING: CPU: 3 PID: 0 at ../drivers/cpuidle/cpuidle.c:212 cpuidle_enter_state+0x2b8/0x2e0() [ 9.684451] Modules linked in: [ 9.687567] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G W 4.4.302-cip76-rt44 #1 [ 9.687572] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 9.687648] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 9.687680] [] (show_stack) from [] (dump_stack+0xac/0xc0) [ 9.687695] [] (dump_stack) from [] (warn_slowpath_common+0x8c/0xa8) [ 9.687715] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x1c/0x24) [ 9.687734] [] (warn_slowpath_null) from [] (cpuidle_enter_state+0x2b8/0x2e0) [ 9.687749] [] (cpuidle_enter_state) from [] (cpu_startup_entry+0x140/0x2c8) [ 9.687758] [] (cpu_startup_entry) from [<1020abcc>] (0x1020abcc) [ 9.687765] ---[ end trace 0000000000000002 ]--- [ 9.865826] ------------[ cut here ]------------ [ 9.871012] WARNING: CPU: 3 PID: 0 at ../kernel/sched/core.c:3130 schedule_preempt_disabled+0x10/0x20() [ 9.883201] DEBUG_LOCKS_WARN_ON(val > preempt_count()) [ 9.897372] Modules linked in: [ 9.900834] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G W 4.4.302-cip76-rt44 #1 [ 9.900838] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 9.900883] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 9.900902] [] (show_stack) from [] (dump_stack+0xac/0xc0) [ 9.900914] [] (dump_stack) from [] (warn_slowpath_common+0x8c/0xa8) [ 9.900932] [] (warn_slowpath_common) from [] (warn_slowpath_fmt+0x30/0x40) [ 9.900945] [] (warn_slowpath_fmt) from [] (schedule_preempt_disabled+0x10/0x20) [ 9.900959] [] (schedule_preempt_disabled) from [] (cpu_startup_entry+0x180/0x2c8) [ 9.900968] [] (cpu_startup_entry) from [<1020abcc>] (0x1020abcc) [ 9.901019] ---[ end trace 0000000000000003 ]---