Trying 192.168.56.21... Connected to conserv1. Escape character is '^]'. ser2net port telnet,3004 device serialdev, /dev/serial/by-path/platform-fd500000.pcie-pci-0000:01:00.0-usb-0:1.2.2.2:1.0-port0, 115200n81, local=false [,115200N81] (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.MX6DL rev1.1 at 792 MHz Reset cause: POR Board: UDOO DualLite 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 DHCP client bound to address 192.168.6.14 (786 ms) => setenv serverip 192.168.6.2 setenv serverip 192.168.6.2 => tftp 0x12000000 917150/tftp-deploy-1qz_uaj7/kernel/zImage tftp 0x12000000 917150/tftp-deploy-1qz_uaj7/kernel/zImage Using FEC device TFTP from server 192.168.6.2; our IP address is 192.168.6.14 Filename '917150/tftp-deploy-1qz_uaj7/kernel/zImage'. Load address: 0x12000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# #### 8.4 MiB/s done Bytes transferred = 11502080 (af8200 hex) => tftp 0x13000000 917150/tftp-deploy-1qz_uaj7/ramdisk/ramdisk.cpio.gz.uboot tftp 0x13000000 917150/tftp-deploy-1qz_uaj7/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.6.2; our IP address is 192.168.6.14 Filename '917150/tftp-deploy-1qz_uaj7/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x13000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# #################################### 8.1 MiB/s done Bytes transferred = 14831687 (e25047 hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x18000000 917150/tftp-deploy-1qz_uaj7/dtb/imx6dl-udoo.dtb tftp 0x18000000 917150/tftp-deploy-1qz_uaj7/dtb/imx6dl-udoo.dtb Using FEC device TFTP from server 192.168.6.2; our IP address is 192.168.6.14 Filename '917150/tftp-deploy-1qz_uaj7/dtb/imx6dl-udoo.dtb'. Load address: 0x18000000 Loading: *### 5.6 MiB/s done Bytes transferred = 35145 (8949 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.6.2:/var/lib/lava/dispatcher/tmp/917150/extract-nfsrootfs-pd0d0pys,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.6.2:/var/lib/lava/dispatcher/tmp/917150/extract-nfsrootfs-pd0d0pys,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x12000000 0x13000000 0x18000000 bootz 0x12000000 0x13000000 0x18000000 Kernel image @ 0x12000000 [ 0x000000 - 0xaf8200 ] ## Loading init Ramdisk from Legacy Image at 13000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 14831623 Bytes = 14.1 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 1800b948 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 6.12.0-rc5-next-20241031 (KernelCI@build-j358071-arm-gcc-12-multi-v7-defconfig-klsj8) (arm-linux-gnueabihf-gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP Thu Oct 31 07:52:56 UTC 2024 [ 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] OF: fdt: Machine model: Udoo i.MX6 Dual-lite Board [ 0.000000] earlycon: ec_imx21 at MMIO 0x021e8000 (options '') [ 0.000000] printk: legacy bootconsole [ec_imx21] enabled [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] efi: UEFI not found. [ 0.000000] cma: Reserved 64 MiB at 0x4c000000 on node -1 [ 0.000000] Zone ranges: [ 0.000000] DMA [mem 0x0000000010000000-0x000000003fffffff] [ 0.000000] Normal empty [ 0.000000] HighMem [mem 0x0000000040000000-0x000000004fffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000010000000-0x000000004fffffff] [ 0.000000] OF: reserved mem: Reserved memory: No reserved-memory node in the DT [ 0.000000] percpu: Embedded 17 pages/cpu s39884 r8192 d21556 u69632 [ 0.000000] Kernel command line: console=ttymxc1,115200n8 root=/dev/nfs rw nfsroot=192.168.6.2:/var/lib/lava/dispatcher/tmp/917150/extract-nfsrootfs-pd0d0pys,tcp,hard console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp <6>[ 0.000000] printk: log buffer data + meta data: 131072 + 409600 = 540672 bytes <6>[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 262144 <6>[ 0.000000] mem auto-init: stack:all(zero), heap alloc:off, heap free:off <6>[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 <6>[ 0.000000] trace event string verifier disabled <6>[ 0.000000] rcu: Hierarchical RCU implementation. <6>[ 0.000000] rcu: RCU event tracing is enabled. <6>[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=2. <6>[ 0.000000] Tracing variant of Tasks RCU enabled. <6>[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. <6>[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 <6>[ 0.000000] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2. <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 erratum 769419 enabled <6>[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9 <6>[ 0.000000] L2C-310 full line of zeros enabled for Cortex-A9 <6>[ 0.000000] L2C-310 ID prefetch enabled, offset 16 lines <6>[ 0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled <6>[ 0.000000] L2C-310 cache controller enabled, 16 ways, 512 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c8, AUX_CTRL 0x76450001 <6>[ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention. <6>[ 0.000000] Switching to timer-based delay loop, resolution 333ns <6>[ 0.000001] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns <6>[ 0.008438] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.021880] Console: colour dummy device 80x30 <6>[ 0.023806] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.034202] CPU: Testing write buffer coherency: ok <6>[ 0.039332] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.044623] pid_max: default: 32768 minimum: 301 <6>[ 0.049670] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.057087] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.066046] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.072510] Setting up static identity map for 0x10300000 - 0x103000ac <6>[ 0.079336] rcu: Hierarchical SRCU implementation. <6>[ 0.082815] rcu: Max phase no-delay instances is 1000. <6>[ 0.088747] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level <6>[ 0.099537] EFI services will not be available. <6>[ 0.101767] smp: Bringing up secondary CPUs ... <4>[ 0.107386] ------------[ cut here ]------------ <4>[ 0.107401] WARNING: CPU: 1 PID: 0 at kernel/time/clockevents.c:455 twd_timer_setup+0xf0/0x228 <4>[ 0.107440] Modules linked in: <4>[ 0.107454] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc5-next-20241031 #1 <4>[ 0.107468] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 0.107477] Call trace: <4>[ 0.107490] unwind_backtrace from show_stack+0x10/0x14 <4>[ 0.107523] show_stack from dump_stack_lvl+0x68/0x74 <4>[ 0.107551] dump_stack_lvl from __warn+0x7c/0x12c <4>[ 0.107582] __warn from warn_slowpath_fmt+0x188/0x190 <4>[ 0.107607] warn_slowpath_fmt from twd_timer_setup+0xf0/0x228 <4>[ 0.107635] twd_timer_setup from twd_timer_starting_cpu+0x8/0x10 <4>[ 0.107664] twd_timer_starting_cpu from cpuhp_invoke_callback+0x15c/0x6f4 <4>[ 0.107695] cpuhp_invoke_callback from __cpuhp_invoke_callback_range+0x6c/0xf8 <4>[ 0.107724] __cpuhp_invoke_callback_range from notify_cpu_starting+0x5c/0x68 <4>[ 0.107759] notify_cpu_starting from secondary_start_kernel+0xd8/0x11c <4>[ 0.107787] secondary_start_kernel from 0x10301ae0 <4>[ 0.107812] ---[ end trace 0000000000000000 ]--- <6>[ 0.107838] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.107857] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.225295] smp: Brought up 1 node, 2 CPUs <6>[ 0.229494] SMP: Total of 2 processors activated (12.00 BogoMIPS). <6>[ 0.235914] CPU: All CPU(s) started in SVC mode. <6>[ 0.241316] Memory: 926764K/1048576K available (16384K kernel code, 2544K rwdata, 6824K rodata, 2048K init, 429K bss, 53380K reserved, 65536K cma-reserved, 196608K highmem) <6>[ 0.257060] devtmpfs: initialized <6>[ 0.267229] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.272579] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.282494] futex hash table entries: 512 (order: 3, 32768 bytes, linear) <6>[ 0.292619] pinctrl core: initialized pinctrl subsystem <6>[ 0.298700] DMI not present or invalid. <6>[ 0.301014] NET: Registered PF_NETLINK/PF_ROUTE protocol family <6>[ 0.309046] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.316384] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.316549] cpuidle: using governor menu <6>[ 0.324502] CPU identified as i.MX6DL, silicon rev 1.1 <6>[ 0.338030] platform soc: Fixed dependency cycle(s) with /soc/bus@2000000/gpc@20dc000 <6>[ 0.344338] platform 120000.hdmi: Fixed dependency cycle(s) with /soc/ipu@2400000 <4>[ 0.360274] mxs_phy 20c9000.usbphy: supply phy-3p0 not found, using dummy regulator <4>[ 0.366103] mxs_phy 20ca000.usbphy: supply phy-3p0 not found, using dummy regulator <6>[ 0.375061] platform 20dc000.gpc: Fixed dependency cycle(s) with /soc/bus@2000000/clock-controller@20c4000 <6>[ 0.384265] platform 20e0000.iomuxc-gpr:ipu1_csi0_mux: Fixed dependency cycle(s) with /soc/ipu@2400000 <6>[ 0.393102] platform 20e0000.iomuxc-gpr:ipu1_csi1_mux: Fixed dependency cycle(s) with /soc/ipu@2400000 <6>[ 0.408647] platform 20e0000.iomuxc-gpr:ipu1_csi1_mux: Fixed dependency cycle(s) with /soc/ipu@2400000 <6>[ 0.415488] platform 20e0000.iomuxc-gpr:ipu1_csi0_mux: Fixed dependency cycle(s) with /soc/ipu@2400000 <6>[ 0.425086] platform 120000.hdmi: Fixed dependency cycle(s) with /soc/ipu@2400000 <6>[ 0.432797] platform 2400000.ipu: Fixed dependency cycle(s) with /soc/hdmi@120000 <6>[ 0.440532] platform 2400000.ipu: Fixed dependency cycle(s) with /soc/bus@2000000/iomuxc-gpr@20e0000/ipu1_csi1_mux <6>[ 0.451168] platform 2400000.ipu: Fixed dependency cycle(s) with /soc/bus@2000000/iomuxc-gpr@20e0000/ipu1_csi0_mux <6>[ 0.468453] No ATAGs? <6>[ 0.468626] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 0.476456] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 0.485318] imx6dl-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 0.497027] Serial: AMBA PL011 UART driver <4>[ 0.547637] gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.558818] gpio gpiochip1: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.578054] gpio gpiochip2: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.587838] gpio gpiochip3: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.598466] gpio gpiochip4: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.617362] gpio gpiochip5: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.627480] gpio gpiochip6: Static allocation of GPIO base is deprecated, use dynamic allocation. <6>[ 0.665842] iommu: Default domain type: Translated <6>[ 0.668053] iommu: DMA domain TLB invalidation policy: strict mode <5>[ 0.687220] SCSI subsystem initialized <6>[ 0.688987] usbcore: registered new interface driver usbfs <6>[ 0.694164] usbcore: registered new interface driver hub <6>[ 0.699798] usbcore: registered new device driver usb <4>[ 0.705277] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests (id=vbus) <4>[ 0.714524] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests (id=vbus) <6>[ 0.725411] i2c i2c-1: IMX I2C adapter registered <6>[ 0.729331] i2c i2c-2: IMX I2C adapter registered <6>[ 0.734773] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.738800] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.748193] PTP clock support registered <6>[ 0.752553] EDAC MC: Ver: 3.0.0 <6>[ 0.756350] scmi_core: SCMI protocol bus registered <6>[ 0.767382] vgaarb: loaded <6>[ 0.770428] clocksource: Switched to clocksource mxc_timer1 <6>[ 0.787469] NET: Registered PF_INET protocol family <6>[ 0.790025] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.799334] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear) <6>[ 0.806109] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.814072] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 0.822140] TCP bind hash table entries: 8192 (order: 5, 131072 bytes, linear) <6>[ 0.829753] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 0.836285] UDP hash table entries: 512 (order: 2, 16384 bytes, linear) <6>[ 0.843078] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear) <6>[ 0.850549] NET: Registered PF_UNIX/PF_LOCAL protocol family <6>[ 0.867795] RPC: Registered named UNIX socket transport module. <6>[ 0.871182] RPC: Registered udp transport module. <6>[ 0.876097] RPC: Registered tcp transport module. <6>[ 0.881085] RPC: Registered tcp-with-tls transport module. <6>[ 0.886799] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 0.893533] PCI: CLS 0 bytes, default 64 <5>[ 0.899452] Initialise system trusted keyrings <6>[ 0.902987] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 0.909467] squashfs: version 4.0 (2009/01/31) Phillip Lougher <6>[ 0.915705] Trying to unpack rootfs image as initramfs... <5>[ 1.149152] NFS: Registering the id_resolver key type <5>[ 1.151741] Key type id_resolver registered <5>[ 1.156066] Key type id_legacy registered <6>[ 1.160363] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 1.167356] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <5>[ 1.211761] Key type asymmetric registered <5>[ 1.213285] Asymmetric key parser 'x509' registered <6>[ 1.218530] bounce: pool size: 64 pages <6>[ 1.222644] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) <6>[ 1.230163] io scheduler mq-deadline registered <6>[ 1.234983] io scheduler kyber registered <6>[ 1.239244] io scheduler bfq registered <6>[ 1.344365] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 1.390171] mxs-dma 110000.dma-controller: initialized <6>[ 1.572945] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 1.595941] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 267, base_baud = 5000000) is a IMX <6>[ 1.602162] printk: console [ttymxc1] enabled <6>[ 1.602162] printk: console [ttymxc1] enabled <6>[ 1.611343] printk: legacy bootconsole [ec_imx21] disabled <6>[ 1.611343] printk: legacy bootconsole [ec_imx21] disabled <6>[ 1.655204] 21f0000.serial: ttymxc3 at MMIO 0x21f0000 (irq = 268, base_baud = 5000000) is a IMX <6>[ 1.665835] msm_serial: driver initialized <6>[ 1.666448] SuperH (H)SCI(F) driver initialized <6>[ 1.666931] STMicroelectronics ASC driver initialized <6>[ 1.667133] STM32 USART driver initialized <6>[ 1.735019] brd: module loaded <6>[ 1.755083] loop: module loaded <6>[ 1.790607] CAN device driver interface <6>[ 1.792251] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 1.794206] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 1.794222] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 1.794271] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 1.794283] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 1.800891] pegasus: Pegasus/Pegasus II USB Ethernet driver <6>[ 1.800951] usbcore: registered new interface driver pegasus <6>[ 1.800996] usbcore: registered new interface driver asix <6>[ 1.801037] usbcore: registered new interface driver ax88179_178a <6>[ 1.801078] usbcore: registered new interface driver cdc_ether <6>[ 1.801119] usbcore: registered new interface driver smsc75xx <6>[ 1.801162] usbcore: registered new interface driver smsc95xx <6>[ 1.801211] usbcore: registered new interface driver net1080 <6>[ 1.801255] usbcore: registered new interface driver cdc_subset <6>[ 1.801293] usbcore: registered new interface driver zaurus <6>[ 1.801343] usbcore: registered new interface driver cdc_ncm <6>[ 1.807388] usbcore: registered new interface driver usb-storage <4>[ 1.809781] imx_usb 2184000.usb: No over current polarity defined <6>[ 2.509460] Freeing initrd memory: 14488K <6>[ 2.509734] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <3>[ 21.540390] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: <3>[ 21.546596] rcu: 1-...!: (5 GPs behind) idle=0b48/0/0x0 softirq=0/0 fqs=1 (false positive?) <3>[ 21.555316] rcu: (detected by 0, t=2102 jiffies, g=-1175, q=1726 ncpus=2) <6>[ 21.562467] Sending NMI from CPU 0 to CPUs 1: <4>[ 21.567105] NMI backtrace for cpu 1 skipped: idling at default_idle_call+0x1c/0xb0 <3>[ 21.568102] rcu: rcu_sched kthread timer wakeup didn't happen for 2099 jiffies! g-1175 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 <3>[ 21.587424] rcu: Possible timer handling issue on cpu=1 timer-softirq=0 <3>[ 21.594394] rcu: rcu_sched kthread starved for 2100 jiffies! g-1175 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 <3>[ 21.604929] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. <3>[ 21.614154] rcu: RCU grace-period kthread stack dump: <6>[ 21.619474] task:rcu_sched state:I stack:0 pid:14 tgid:14 ppid:2 flags:0x00000000 <6>[ 21.629066] Call trace: <6>[ 21.629080] __schedule from schedule+0x20/0x12c <6>[ 21.636775] schedule from schedule_timeout+0x84/0xf4 <6>[ 21.642114] schedule_timeout from rcu_gp_fqs_loop+0x130/0x5dc <6>[ 21.648240] rcu_gp_fqs_loop from rcu_gp_kthread+0x170/0x208 <6>[ 21.654185] rcu_gp_kthread from kthread+0xe0/0xfc <6>[ 21.659271] kthread from ret_from_fork+0x14/0x28 <6>[ 21.664262] Exception stack(0xf086dfb0 to 0xf086dff8) <6>[ 21.669587] dfa0: 00000000 00000000 00000000 00000000 <6>[ 21.678038] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 21.686486] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 <3>[ 42.720389] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: <3>[ 42.726589] rcu: 1-...!: (0 ticks this GP) idle=0b60/0/0x0 softirq=0/0 fqs=0 (false positive?) <3>[ 42.735568] rcu: (detected by 0, t=2102 jiffies, g=-1171, q=1715 ncpus=2) <6>[ 42.742717] Sending NMI from CPU 0 to CPUs 1: <4>[ 42.747350] NMI backtrace for cpu 1 skipped: idling at default_idle_call+0x1c/0xb0 <3>[ 42.748350] rcu: rcu_sched kthread timer wakeup didn't happen for 2101 jiffies! g-1171 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 <3>[ 42.767673] rcu: Possible timer handling issue on cpu=1 timer-softirq=0 <3>[ 42.774643] rcu: rcu_sched kthread starved for 2102 jiffies! g-1171 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 <3>[ 42.785178] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. <3>[ 42.794402] rcu: RCU grace-period kthread stack dump: <6>[ 42.799719] task:rcu_sched state:I stack:0 pid:14 tgid:14 ppid:2 flags:0x00000000 <6>[ 42.809310] Call trace: <6>[ 42.809321] __schedule from schedule+0x20/0x12c <6>[ 42.817012] schedule from schedule_timeout+0x84/0xf4 <6>[ 42.822350] schedule_timeout from rcu_gp_fqs_loop+0x130/0x5dc <6>[ 42.828473] rcu_gp_fqs_loop from rcu_gp_kthread+0x170/0x208 <6>[ 42.834419] rcu_gp_kthread from kthread+0xe0/0xfc <6>[ 42.839508] kthread from ret_from_fork+0x14/0x28 <6>[ 42.844497] Exception stack(0xf086dfb0 to 0xf086dff8) <6>[ 42.849821] dfa0: 00000000 00000000 00000000 00000000 <6>[ 42.858273] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 42.866721] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 <3>[ 105.770390] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: <3>[ 105.776587] rcu: 1-...!: (0 ticks this GP) idle=0b70/0/0x0 softirq=0/0 fqs=1 (false positive?) <3>[ 105.785565] rcu: (detected by 0, t=8407 jiffies, g=-1171, q=1715 ncpus=2) <6>[ 105.792713] Sending NMI from CPU 0 to CPUs 1: <4>[ 105.797344] NMI backtrace for cpu 1 skipped: idling at default_idle_call+0x1c/0xb0 <3>[ 105.798344] rcu: rcu_sched kthread timer wakeup didn't happen for 6289 jiffies! g-1171 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 <3>[ 105.817663] rcu: Possible timer handling issue on cpu=1 timer-softirq=0 <3>[ 105.824631] rcu: rcu_sched kthread starved for 6290 jiffies! g-1171 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 <3>[ 105.835164] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. <3>[ 105.844390] rcu: RCU grace-period kthread stack dump: <6>[ 105.849707] task:rcu_sched state:I stack:0 pid:14 tgid:14 ppid:2 flags:0x00000000 <6>[ 105.859294] Call trace: <6>[ 105.859303] __schedule from schedule+0x20/0x12c <6>[ 105.866996] schedule from schedule_timeout+0x84/0xf4 <6>[ 105.872330] schedule_timeout from rcu_gp_fqs_loop+0x130/0x5dc <6>[ 105.878450] rcu_gp_fqs_loop from rcu_gp_kthread+0x170/0x208 <6>[ 105.884394] rcu_gp_kthread from kthread+0xe0/0xfc <6>[ 105.889480] kthread from ret_from_fork+0x14/0x28 <6>[ 105.894469] Exception stack(0xf086dfb0 to 0xf086dff8) <6>[ 105.899795] dfa0: 00000000 00000000 00000000 00000000 <6>[ 105.908246] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 105.916696] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 # # # # #