[Enter `^Ec?' for help] U-Boot 2021.10+dfsg-1+apertis10bv2023dev2b2 (Apr 18 2022 - 16:34:49 +0000) CPU: Freescale i.MX6Q rev1.2 at 792 MHz Reset cause: POR Model: Freescale i.MX6 Quad SABRE Lite Board Board: SABRE Lite I2C: ready DRAM: 1 GiB MMC: FSL_SDHC: 0, FSL_SDHC: 1 Loading Environment from SPIFlash... SF: Detected gd25q16 with page size 256 Bytes, erase size 4 KiB, total 2 MiB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: using phy at 7 FEC [PRIME], usb_ether Error: usb_ether address not set. starting USB... Bus usb@2184000: usb dr_mode not found Bus usb@2184200: USB EHCI 1.00 scanning bus usb@2184000 for devices... 1 USB Device(s) found scanning bus usb@2184200 for devices... 2 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 0 Ethernet Device(s) found 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 BOOTP broadcast 1 DHCP client bound to address 192.168.201.36 (8 ms) => setenv serverip 192.168.201.1 setenv serverip 192.168.201.1 => tftp 0x10000000 9863654/tftp-deploy-mypmivxv/kernel/zImage tftp 0x10000000 9863654/tftp-deploy-mypmivxv/kernel/zImage Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '9863654/tftp-deploy-mypmivxv/kernel/zImage'. Load address: 0x10000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################ 10.5 MiB/s done Bytes transferred = 6660800 (65a2c0 hex) => tftp 0x14000000 9863654/tftp-deploy-mypmivxv/ramdisk/ramdisk.cpio.gz.uboot tftp 0x14000000 9863654/tftp-deploy-mypmivxv/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '9863654/tftp-deploy-mypmivxv/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x14000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ####################################### 10.9 MiB/s done Bytes transferred = 11056061 (a8b3bd hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x13f00000 9863654/tftp-deploy-mypmivxv/dtb/imx6q-sabrelite.dtb tftp 0x13f00000 9863654/tftp-deploy-mypmivxv/dtb/imx6q-sabrelite.dtb Using FEC device TFTP from server 192.168.201.1; our IP address is 192.168.201.36 Filename '9863654/tftp-deploy-mypmivxv/dtb/imx6q-sabrelite.dtb'. Load address: 0x13f00000 Loading: *### 3.9 MiB/s done Bytes transferred = 36559 (8ecf hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/ram0 console_msg_format=syslog earlycon ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/ram0 console_msg_format=syslog earlycon ip=dhcp' => bootz 0x10000000 0x14000000 0x13f00000 bootz 0x10000000 0x14000000 0x13f00000 Kernel image @ 0x10000000 [ 0x000000 - 0x65a2c0 ] ## Loading init Ramdisk from Legacy Image at 14000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 11055997 Bytes = 10.5 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 13f00000 Booting using the fdt blob at 0x13f00000 Using Device Tree in place at 13f00000, end 13f0bece Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.4.302-cip74-rt43 (KernelCI@build-j1296565-arm-gcc-10-multi-v7-defconfig-preempt-rt-jcszg) (gcc version 10.2.1 20210110 (Debian 10.2.1-6) ) #1 SMP PREEMPT RT Tue Apr 4 15:19:27 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: Freescale i.MX6 Quad SABRE Lite Board [ 0.000000] bootconsole [uart0] enabled [ 0.000000] Reserved memory: unsupported node format, ignoring [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] PERCPU: Embedded 12 pages/cpu @ef7a2000 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/ram0 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: 8, 1048576 bytes) [ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) [ 0.000000] Memory: 947316K/1048576K available (8714K kernel code, 1024K rwdata, 3900K rodata, 1028K init, 325K bss, 35724K 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 - 0xc0e5a9c4 (12619 kB) [ 0.000000] .init : 0xc0e5b000 - 0xc0f5c000 (1028 kB) [ 0.000000] .data : 0xc0f5c000 - 0xc105c140 (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 16 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 [ 0.002320] Console: colour dummy device 80x30 [ 0.240922] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=15000) [ 0.240926] pid_max: default: 32768 minimum: 301 [ 0.241038] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.241046] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.241725] CPU: Testing write buffer coherency: ok [ 0.241731] CPU0: Spectre v2: using BPIALL workaround [ 0.242046] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.285005] Setting up static identity map for 0x10209000 - 0x10209098 [ 0.354600] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.354608] CPU1: Spectre v2: using BPIALL workaround [ 0.374589] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.374594] CPU2: Spectre v2: using BPIALL workaround [ 0.394588] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.394593] CPU3: Spectre v2: using BPIALL workaround [ 0.394690] Brought up 4 CPUs [ 0.426908] SMP: Total of 4 processors activated (24.00 BogoMIPS). [ 0.433083] CPU: All CPU(s) started in SVC mode. [ 0.438761] devtmpfs: initialized [ 0.452152] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 [ 0.457687] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 9556302231375000 ns [ 0.466730] futex hash table entries: 1024 (order: 4, 65536 bytes) [ 0.476383] pinctrl core: initialized pinctrl subsystem [ 0.480962] NET: Registered protocol family 16 [ 0.488028] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.504384] cpuidle: using governor ladder [ 0.519367] cpuidle: using governor menu [ 0.520714] CPU identified as i.MX6Q, silicon rev 1.2 [ 0.551601] No ATAGs? [ 0.551661] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. [ 0.559022] hw-breakpoint: maximum watchpoint size is 4 bytes. [ 0.568504] imx6q-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver [ 0.575795] Serial: AMBA PL011 UART driver [ 0.579726] imx-gpc 20dc000.gpc: failed to get pu regulator: -517 [ 0.611044] mxs-dma 110000.dma-apbh: initialized [ 0.619615] vgaarb: loaded [ 0.620817] SCSI subsystem initialized [ 0.623747] usbcore: registered new interface driver usbfs [ 0.628758] usbcore: registered new interface driver hub [ 0.634049] usbcore: registered new device driver usb [ 0.641359] pps_core: LinuxPPS API ver. 1 registered [ 0.643999] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.653166] PTP clock support registered [ 0.657361] EDAC MC: Ver: 3.0.0 [ 0.663367] clocksource: Switched to clocksource mxc_timer1 [ 0.678649] NET: Registered protocol family 2 [ 0.680302] IP idents hash table entries: 16384 (order: 5, 131072 bytes) [ 0.688124] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 0.693995] TCP bind hash table entries: 8192 (order: 5, 229376 bytes) [ 0.700820] TCP: Hash tables configured (established 8192 bind 8192) [ 0.706957] UDP hash table entries: 512 (order: 3, 32768 bytes) [ 0.712763] UDP-Lite hash table entries: 512 (order: 3, 32768 bytes) [ 0.719330] NET: Registered protocol family 1 [ 0.723755] RPC: Registered named UNIX socket transport module. [ 0.729310] RPC: Registered udp transport module. [ 0.734007] RPC: Registered tcp transport module. [ 0.738706] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 0.745740] Unpacking initramfs... [ 1.725392] Freeing initrd memory: 10800K [ 1.727014] hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available [ 1.755088] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 1.759286] NFS: Registering the id_resolver key type [ 1.763157] Key type id_resolver registered [ 1.767295] Key type id_legacy registered [ 1.771394] ntfs: driver 2.1.32 [Flags: R/O]. [ 1.777547] bounce: pool size: 64 pages [ 1.779730] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249) [ 1.786885] io scheduler noop registered [ 1.790798] io scheduler deadline registered [ 1.795429] io scheduler cfq registered (default) [ 1.823441] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 1.830089] imx-sdma 20ec000.sdma: external firmware not found, using ROM firmware [ 1.904361] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled [ 1.911085] SuperH (H)SCI(F) driver initialized [ 1.913802] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 24, base_baud = 5000000) is a IMX [ 1.922232] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 295, base_baud = 5000000) is a IMX [ 1.932989] console [ttymxc1] enabled [ 1.932989] console [ttymxc1] enabled [ 1.937452] bootconsole [uart0] disabled [ 1.937452] bootconsole [uart0] disabled [ 1.946448] msm_serial: driver initialized [ 1.953045] STMicroelectronics ASC driver initialized [ 1.960618] [drm] Initialized drm 1.1.0 20060810 [ 1.969429] lcd_panel supply power not found, using dummy regulator [ 1.975964] panel supply power not found, using dummy regulator [ 1.995618] loop: module loaded [ 2.009633] CAN device driver interface [ 2.015653] 2188000.ethernet supply phy not found, using dummy regulator [ 2.028651] pps pps0: new PPS source ptp0 [ 2.055264] fec 2188000.ethernet eth0: registered PHC device 0 [ 2.061623] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.3.0-k [ 2.068593] igb: Copyright (c) 2007-2014 Intel Corporation. [ 2.078727] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 2.086202] usbcore: registered new interface driver pegasus [ 2.091964] usbcore: registered new interface driver asix [ 2.097437] usbcore: registered new interface driver ax88179_178a [ 2.103602] usbcore: registered new interface driver cdc_ether [ 2.109526] usbcore: registered new interface driver smsc75xx [ 2.115378] usbcore: registered new interface driver smsc95xx [ 2.121193] usbcore: registered new interface driver net1080 [ 2.126920] usbcore: registered new interface driver cdc_subset [ 2.132908] usbcore: registered new interface driver zaurus [ 2.138588] usbcore: registered new interface driver cdc_ncm [ 2.146724] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 2.153269] ehci-pci: EHCI PCI platform driver [ 2.157782] ehci-platform: EHCI generic platform driver [ 2.163323] ehci-omap: OMAP-EHCI Host Controller driver [ 2.168791] ehci-orion: EHCI orion driver [ 2.173021] SPEAr-ehci: EHCI SPEAr driver [ 2.177256] ehci-st: EHCI STMicroelectronics driver [ 2.182357] ehci-exynos: EHCI EXYNOS driver [ 2.186791] ehci-atmel: EHCI Atmel driver [ 2.191020] tegra-ehci: Tegra EHCI driver [ 2.195282] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver [ 2.201494] ohci-pci: OHCI PCI platform driver [ 2.206013] ohci-platform: OHCI generic platform driver [ 2.211505] ohci-omap3: OHCI OMAP3 driver [ 2.215738] SPEAr-ohci: OHCI SPEAr driver [ 2.219978] ohci-st: OHCI STMicroelectronics driver [ 2.225088] ohci-atmel: OHCI Atmel driver [ 2.229889] usbcore: registered new interface driver usb-storage [ 2.241746] ci_hdrc ci_hdrc.0: doesn't support gadget [ 2.246822] ci_hdrc ci_hdrc.0: EHCI Host Controller [ 2.251743] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1 [ 2.268394] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00 [ 2.274786] hub 1-0:1.0: USB hub found [ 2.278583] hub 1-0:1.0: 1 port detected [ 2.283510] 2184200.usb supply vbus not found, using dummy regulator [ 2.293445] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 2.298980] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2 [ 2.313392] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 2.319678] hub 2-0:1.0: USB hub found [ 2.323469] hub 2-0:1.0: 1 port detected [ 2.328807] mousedev: PS/2 mouse device common for all mice [ 2.340131] i2c /dev entries driver [ 2.356194] sdhci: Secure Digital Host Controller Interface driver [ 2.362382] sdhci: Copyright(c) Pierre Ossman [ 2.369338] Synopsys Designware Multimedia Card Interface Driver [ 2.376923] sdhci-pltfm: SDHCI platform and OF driver helper [ 2.383523] sdhci-esdhc-imx 2198000.usdhc: could not get ultra high speed state, work on normal mode [ 2.392690] sdhci-esdhc-imx 2198000.usdhc: Got CD GPIO [ 2.397853] sdhci-esdhc-imx 2198000.usdhc: Got WP GPIO [ 2.403256] sdhci-esdhc-imx 2198000.usdhc: No vqmmc regulator found [ 2.443582] mmc0: SDHCI controller on 2198000.usdhc [2198000.usdhc] using ADMA [ 2.451282] sdhci-esdhc-imx 219c000.usdhc: could not get ultra high speed state, work on normal mode [ 2.460449] sdhci-esdhc-imx 219c000.usdhc: Got CD GPIO [ 2.466822] sdhci-esdhc-imx 219c000.usdhc: No vqmmc regulator found [ 2.504251] mmc0: new high speed SDHC card at address aaaa [ 2.508582] mmc1: SDHCI controller on 219c000.usdhc [219c000.usdhc] using ADMA [ 2.511531] usbcore: registered new interface driver usbhid [ 2.511535] usbhid: USB HID core driver [ 2.517845] NET: Registered protocol family 10 [ 2.519003] sit: IPv6 over IPv4 tunneling driver [ 2.519763] NET: Registered protocol family 17 [ 2.519785] can: controller area network core (rev 20120528 abi 9) [ 2.519881] NET: Registered protocol family 29 [ 2.519896] can: raw protocol (rev 20120528) [ 2.519908] can: broadcast manager protocol (rev 20120528 t) [ 2.519925] can: netlink gateway (rev 20130117) max_hops=1 [ 2.520437] Key type dns_resolver registered [ 2.520979] ThumbEE CPU extension supported. [ 2.521000] Registering SWP/SWPB emulation handler [ 2.523460] imx-gpc 20dc000.gpc: failed to get pu regulator: -517 [ 2.527709] lcd_panel supply power not found, using dummy regulator [ 2.529096] panel supply power not found, using dummy regulator [ 2.531867] input: gpio-keys as /devices/soc0/gpio-keys/input/input0 [ 2.532224] hctosys: unable to open rtc device (rtc0) [ 2.532420] imx-gpc 20dc000.gpc: failed to get pu regulator: -517 [ 2.536721] lcd_panel supply power not found, using dummy regulator [ 2.538057] panel supply power not found, using dummy regulator [ 2.553428] usb 2-1: new high-speed USB device number 2 using ci_hdrc [ 2.624176] fec 2188000.ethernet eth0: Freescale FEC PHY driver [Micrel KSZ9021 Gigabit PHY] (mii_bus:phy_addr=2188000.ethernet-1:07, irq=-1) [ 2.624252] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready [ 2.652894] mmcblk0: mmc0:aaaa SL16G 14.8 GiB [ 2.666325] BUG: scheduling while atomic: swapper/1/0/0x00000002 [ 2.666331] Modules linked in: [ 2.666352] Preemption disabled at:[] schedule_preempt_disabled+0x1c/0x20 [ 2.666354] [ 2.666363] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.4.302-cip74-rt43 #1 [ 2.666367] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 2.666402] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 2.666418] [] (show_stack) from [] (dump_stack+0xac/0xc0) [ 2.666437] [] (dump_stack) from [] (__schedule_bug+0x8c/0xa0) [ 2.666448] [] (__schedule_bug) from [] (__schedule+0x3ac/0x480) [ 2.666457] [] (__schedule) from [] (schedule+0x58/0xf4) [ 2.666467] [] (schedule) from [] (rt_spin_lock_slowlock+0x1b4/0x32c) [ 2.666481] [] (rt_spin_lock_slowlock) from [] (imx6q_enter_wait+0x6c/0xb4) [ 2.666497] [] (imx6q_enter_wait) from [] (cpuidle_enter_state+0x258/0x2e0) [ 2.666510] [] (cpuidle_enter_state) from [] (cpu_startup_entry+0x140/0x2c8) [ 2.666519] [] (cpu_startup_entry) from [<1020abcc>] (0x1020abcc) [ 2.666534] ------------[ cut here ]------------ [ 2.678275] GPT:Primary header thinks Alt. header is not at the end of the disk. [ 2.678282] GPT:7812499 != 31116287 [ 2.678286] GPT:Alternate GPT header not at the end of the disk. [ 2.678289] GPT:7812499 != 31116287 [ 2.678292] GPT: Use GNU Parted to correct GPT errors. [ 2.678340] mmcblk0: p1 p2 p3 [ 2.679849] imx-gpc 20dc000.gpc: failed to get pu regulator: -517 [ 2.684866] hub 2-1:1.0: USB hub found [ 2.685019] lcd_panel supply power not found, using dummy regulator [ 2.685039] hub 2-1:1.0: 3 ports detected [ 2.687198] panel supply power not found, using dummy regulator [ 2.688057] imx-gpc 20dc000.gpc: failed to get pu regulator: -517 [ 2.692092] lcd_panel supply power not found, using dummy regulator [ 2.849777] WARNING: CPU: 1 PID: 0 at ../drivers/cpuidle/cpuidle.c:212 cpuidle_enter_state+0x2b8/0x2e0() [ 2.859262] Modules linked in: [ 2.862347] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 4.4.302-cip74-rt43 #1 [ 2.862351] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 2.862381] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 2.862400] [] (show_stack) from [] (dump_stack+0xac/0xc0) [ 2.862412] [] (dump_stack) from [] (warn_slowpath_common+0x8c/0xa8) [ 2.862427] [] (warn_slowpath_common) from [] (warn_slowpath_null+0x1c/0x24) [ 2.862440] [] (warn_slowpath_null) from [] (cpuidle_enter_state+0x2b8/0x2e0) [ 2.862452] [] (cpuidle_enter_state) from [] (cpu_startup_entry+0x140/0x2c8) [ 2.862464] [] (cpu_startup_entry) from [<1020abcc>] (0x1020abcc) [ 2.862468] ---[ end trace 0000000000000002 ]--- [ 6.623998] fec 2188000.ethernet eth0: Link is Up - 1Gbps/Full - flow control off [ 6.631507] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready [ 6.643416] Sending DHCP requests ., [ 6.653682] bad: scheduling from the idle thread! [ 6.653691] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G W 4.4.302-cip74-rt43 #1 [ 6.653695] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 6.653719] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 6.653725] BUG: scheduling while atomic: swapper/2/0/0x00000002 [ 6.653737] [] (show_stack) from [] (dump_stack+0xac/0xc0) [ 6.653739] Modules linked in:[] (dump_stack) from [] (dequeue_task_idle+0x1c/0x28) [ 6.653754] [ 6.653756] Preemption disabled at:[] (dequeue_task_idle) from [] (__schedule+0x254/0x480) [ 6.653776] [] schedule_preempt_disabled+0x1c/0x20 [ 6.653782] [] (__schedule) from [] (schedule+0x58/0xf4) [ 6.653783] [ 6.653794] [] (schedule) from [] (rt_spin_lock_slowlock+0x1b4/0x32c) [ 6.653807] [] (rt_spin_lock_slowlock) from [] (imx6q_enter_wait+0x6c/0xb4) [ 6.653821] [] (imx6q_enter_wait) from [] (cpuidle_enter_state+0x258/0x2e0) [ 6.653832] [] (cpuidle_enter_state) from [] (cpu_startup_entry+0x140/0x2c8) [ 6.653840] [] (cpu_startup_entry) from [<1020abcc>] (0x1020abcc) [ 6.653848] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G W 4.4.302-cip74-rt43 #1 [ 6.653852] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) [ 6.653869] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 6.653881] [] (show_stack) from [] (dump_stack+0xac/0xc0) [ 6.653897] [] (dump_stack) from [] (__schedule_bug+0x8c/0xa0) [ 6.653908] [] (__schedule_bug) from [] (__schedule+0x3ac/0x480) [ 6.653916] [] (__schedule) from [] (schedule+0x58/0xf4) [ 6.653925] [] (schedule) from [] (rt_spin_lock_slowlock+0x1b4/0x32c) [ 6.653935] [] (rt_spin_lock_slowlock) from [] (imx6q_enter_wait+0x14/0xb4) [ 6.653946] [] (imx6q_enter_wait) from [] (cpuidle_enter_state+0x258/0x2e0) [ 6.653956] [] (cpuidle_enter_state) from [] (cpu_startup_entry+0x140/0x2c8) [ 6.653965] [] (cpu_startup_entry) from [<1020abcc>] (0x1020abcc) [ 6.658427] OK