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 DHCP client bound to address 192.168.6.15 (776 ms) => setenv serverip 192.168.6.2 setenv serverip 192.168.6.2 => tftp 0x12000000 917179/tftp-deploy-q1_nzowy/kernel/zImage tftp 0x12000000 917179/tftp-deploy-q1_nzowy/kernel/zImage Using FEC device TFTP from server 192.168.6.2; our IP address is 192.168.6.15 Filename '917179/tftp-deploy-q1_nzowy/kernel/zImage'. Load address: 0x12000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ######################## 8.1 MiB/s done Bytes transferred = 10846720 (a58200 hex) => tftp 0x13000000 917179/tftp-deploy-q1_nzowy/ramdisk/ramdisk.cpio.gz.uboot tftp 0x13000000 917179/tftp-deploy-q1_nzowy/ramdisk/ramdisk.cpio.gz.uboot Using FEC device TFTP from server 192.168.6.2; our IP address is 192.168.6.15 Filename '917179/tftp-deploy-q1_nzowy/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x13000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ######################### 7.9 MiB/s done Bytes transferred = 17535274 (10b912a hex) => setenv initrd_size ${filesize} setenv initrd_size ${filesize} => tftp 0x18000000 917179/tftp-deploy-q1_nzowy/dtb/imx6q-udoo.dtb tftp 0x18000000 917179/tftp-deploy-q1_nzowy/dtb/imx6q-udoo.dtb Using FEC device TFTP from server 192.168.6.2; our IP address is 192.168.6.15 Filename '917179/tftp-deploy-q1_nzowy/dtb/imx6q-udoo.dtb'. Load address: 0x18000000 Loading: *### 5.8 MiB/s done Bytes transferred = 36482 (8e82 hex) => setenv bootargs 'console=ttymxc1,115200n8 root=/dev/ram0 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' setenv bootargs 'console=ttymxc1,115200n8 root=/dev/ram0 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' => bootz 0x12000000 0x13000000 0x18000000 bootz 0x12000000 0x13000000 0x18000000 Kernel image @ 0x12000000 [ 0x000000 - 0xa58200 ] ## Loading init Ramdisk from Legacy Image at 13000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 17535210 Bytes = 16.7 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 1800be81 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 6.12.0-rc5-next-20241031 (KernelCI@build-j358113-arm-gcc-12-multi-v7-defconfig-config-thumb2-sw8mp) (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 08:00:56 UTC 2024 [ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=50c5387d [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Udoo i.MX6 Quad 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/ram0 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=4, 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=4. <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=4 <6>[ 0.000000] RCU Tasks Trace: Setting shift to 2 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=4. <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] L2C-310 errata 752271 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, 1024 kB <6>[ 0.000000] L2C-310: CACHE_ID 0x410000c7, AUX_CTRL 0x76470001 <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>[ 0.008436] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns <6>[ 0.022254] Console: colour dummy device 80x30 <6>[ 0.024169] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000) <6>[ 0.034565] CPU: Testing write buffer coherency: ok <6>[ 0.039697] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.044992] pid_max: default: 32768 minimum: 301 <6>[ 0.050036] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.057449] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.066303] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 <6>[ 0.072642] Setting up static identity map for 0x10300000 - 0x103000a0 <6>[ 0.079776] rcu: Hierarchical SRCU implementation. <6>[ 0.083185] rcu: Max phase no-delay instances is 1000. <6>[ 0.089040] Timer migration: 1 hierarchy levels; 8 children per group; 1 crossnode level <6>[ 0.100292] EFI services will not be available. <6>[ 0.102557] smp: Bringing up secondary CPUs ... <4>[ 0.107985] ------------[ cut here ]------------ <4>[ 0.107995] WARNING: CPU: 1 PID: 0 at kernel/time/clockevents.c:455 twd_timer_setup+0xb5/0x19c <4>[ 0.108033] Modules linked in: <4>[ 0.108048] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.0-rc5-next-20241031 #1 <4>[ 0.108063] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree) <4>[ 0.108072] Call trace: <4>[ 0.108083] unwind_backtrace from show_stack+0xb/0xc <4>[ 0.108116] show_stack from dump_stack_lvl+0x45/0x4e <4>[ 0.108146] dump_stack_lvl from __warn+0xe3/0xf0 <4>[ 0.108176] __warn from warn_slowpath_fmt+0x10d/0x114 <4>[ 0.108202] warn_slowpath_fmt from twd_timer_setup+0xb5/0x19c <4>[ 0.108229] twd_timer_setup from twd_timer_starting_cpu+0x7/0xc <4>[ 0.108257] twd_timer_starting_cpu from cpuhp_invoke_callback+0xeb/0x4d4 <4>[ 0.108289] cpuhp_invoke_callback from __cpuhp_invoke_callback_range+0x45/0xb0 <4>[ 0.108319] __cpuhp_invoke_callback_range from notify_cpu_starting+0x41/0x48 <4>[ 0.108352] notify_cpu_starting from secondary_start_kernel+0xad/0xe0 <4>[ 0.108382] secondary_start_kernel from 0x103018c1 <4>[ 0.108405] ---[ end trace 0000000000000000 ]--- <6>[ 0.108430] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 <6>[ 0.108448] CPU1: Spectre v2: using BPIALL workaround <6>[ 0.226340] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 <6>[ 0.226358] CPU2: Spectre v2: using BPIALL workaround <6>[ 0.237532] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 <6>[ 0.237552] CPU3: Spectre v2: using BPIALL workaround <6>[ 0.247918] smp: Brought up 1 node, 4 CPUs <6>[ 0.252135] SMP: Total of 4 processors activated (24.00 BogoMIPS). <6>[ 0.258601] CPU: All CPU(s) started in SVC mode. <6>[ 0.264174] Memory: 929076K/1048576K available (11264K kernel code, 2544K rwdata, 6824K rodata, 2048K init, 429K bss, 51040K reserved, 65536K cma-reserved, 196608K highmem) <6>[ 0.279651] devtmpfs: initialized <6>[ 0.290743] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4 <6>[ 0.296118] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.305974] futex hash table entries: 1024 (order: 4, 65536 bytes, linear) <6>[ 0.316639] pinctrl core: initialized pinctrl subsystem <6>[ 0.323016] DMI not present or invalid. <6>[ 0.325300] NET: Registered PF_NETLINK/PF_ROUTE protocol family <6>[ 0.333421] DMA: preallocated 256 KiB pool for atomic coherent allocations <6>[ 0.340904] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.341033] cpuidle: using governor menu <6>[ 0.348969] CPU identified as i.MX6Q, silicon rev 1.2 <6>[ 0.363102] platform soc: Fixed dependency cycle(s) with /soc/bus@2000000/gpc@20dc000 <6>[ 0.369434] platform 120000.hdmi: Fixed dependency cycle(s) with /soc/ipu@2800000 <6>[ 0.376146] platform 120000.hdmi: Fixed dependency cycle(s) with /soc/ipu@2400000 <4>[ 0.393099] mxs_phy 20c9000.usbphy: supply phy-3p0 not found, using dummy regulator <4>[ 0.398836] mxs_phy 20ca000.usbphy: supply phy-3p0 not found, using dummy regulator <6>[ 0.407850] platform 20dc000.gpc: Fixed dependency cycle(s) with /soc/bus@2000000/clock-controller@20c4000 <6>[ 0.417022] platform 20e0000.iomuxc-gpr:ipu1_csi0_mux: Fixed dependency cycle(s) with /soc/ipu@2400000 <6>[ 0.425890] platform 20e0000.iomuxc-gpr:ipu2_csi1_mux: Fixed dependency cycle(s) with /soc/ipu@2800000 <6>[ 0.441373] platform 20e0000.iomuxc-gpr:ipu1_csi0_mux: Fixed dependency cycle(s) with /soc/ipu@2400000 <6>[ 0.448234] platform 120000.hdmi: Fixed dependency cycle(s) with /soc/ipu@2400000 <6>[ 0.455952] platform 2400000.ipu: Fixed dependency cycle(s) with /soc/hdmi@120000 <6>[ 0.463658] platform 2400000.ipu: Fixed dependency cycle(s) with /soc/bus@2000000/iomuxc-gpr@20e0000/ipu1_csi0_mux <6>[ 0.478911] platform 20e0000.iomuxc-gpr:ipu2_csi1_mux: Fixed dependency cycle(s) with /soc/ipu@2800000 <6>[ 0.485767] platform 120000.hdmi: Fixed dependency cycle(s) with /soc/ipu@2800000 <6>[ 0.493537] platform 2800000.ipu: Fixed dependency cycle(s) with /soc/hdmi@120000 <6>[ 0.501244] platform 2800000.ipu: Fixed dependency cycle(s) with /soc/bus@2000000/iomuxc-gpr@20e0000/ipu2_csi1_mux <6>[ 0.514732] No ATAGs? <6>[ 0.514972] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers. <6>[ 0.522708] hw-breakpoint: maximum watchpoint size is 4 bytes. <6>[ 0.531713] imx6q-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver <6>[ 0.543967] Serial: AMBA PL011 UART driver <4>[ 0.596673] gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.607917] gpio gpiochip1: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.615993] gpio gpiochip2: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.625043] gpio gpiochip3: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.634230] gpio gpiochip4: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.643359] gpio gpiochip5: Static allocation of GPIO base is deprecated, use dynamic allocation. <4>[ 0.652543] gpio gpiochip6: Static allocation of GPIO base is deprecated, use dynamic allocation. <6>[ 0.669925] iommu: Default domain type: Translated <6>[ 0.672129] iommu: DMA domain TLB invalidation policy: strict mode <5>[ 0.687797] SCSI subsystem initialized <6>[ 0.689471] usbcore: registered new interface driver usbfs <6>[ 0.694732] usbcore: registered new interface driver hub <6>[ 0.700352] usbcore: registered new device driver usb <4>[ 0.705846] usb_phy_generic usbphynop1: dummy supplies not allowed for exclusive requests (id=vbus) <4>[ 0.715039] usb_phy_generic usbphynop2: dummy supplies not allowed for exclusive requests (id=vbus) <6>[ 0.725920] i2c i2c-1: IMX I2C adapter registered <6>[ 0.729750] i2c i2c-2: IMX I2C adapter registered <6>[ 0.735362] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.739359] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.748770] PTP clock support registered <6>[ 0.753132] EDAC MC: Ver: 3.0.0 <6>[ 0.756739] scmi_core: SCMI protocol bus registered <6>[ 0.764293] vgaarb: loaded <6>[ 0.774722] clocksource: Switched to clocksource mxc_timer1 <6>[ 0.796140] NET: Registered PF_INET protocol family <6>[ 0.798699] IP idents hash table entries: 16384 (order: 5, 131072 bytes, linear) <6>[ 0.807895] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear) <6>[ 0.814743] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.822714] TCP established hash table entries: 8192 (order: 3, 32768 bytes, linear) <6>[ 0.830800] TCP bind hash table entries: 8192 (order: 5, 131072 bytes, linear) <6>[ 0.838456] TCP: Hash tables configured (established 8192 bind 8192) <6>[ 0.844943] UDP hash table entries: 512 (order: 2, 16384 bytes, linear) <6>[ 0.851719] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes, linear) <6>[ 0.859203] NET: Registered PF_UNIX/PF_LOCAL protocol family <6>[ 0.865639] RPC: Registered named UNIX socket transport module. <6>[ 0.871081] RPC: Registered udp transport module. <6>[ 0.876075] RPC: Registered tcp transport module. <6>[ 0.880998] RPC: Registered tcp-with-tls transport module. <6>[ 0.886759] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 0.893447] PCI: CLS 0 bytes, default 64 <5>[ 0.899450] Initialise system trusted keyrings <6>[ 0.902677] workingset: timestamp_bits=30 max_order=18 bucket_order=0 <6>[ 0.909430] squashfs: version 4.0 (2009/01/31) Phillip Lougher <6>[ 0.915536] Trying to unpack rootfs image as initramfs... <5>[ 0.945395] NFS: Registering the id_resolver key type <5>[ 0.947920] Key type id_resolver registered <5>[ 0.952313] Key type id_legacy registered <6>[ 0.956656] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 0.963539] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <5>[ 1.005026] Key type asymmetric registered <5>[ 1.006548] Asymmetric key parser 'x509' registered <6>[ 1.011793] bounce: pool size: 64 pages <6>[ 1.015856] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) <6>[ 1.023425] io scheduler mq-deadline registered <6>[ 1.028255] io scheduler kyber registered <6>[ 1.032505] io scheduler bfq registered <6>[ 1.126929] ledtrig-cpu: registered to indicate activity on CPUs <6>[ 1.157297] mxs-dma 110000.dma-controller: initialized <6>[ 2.402776] Freeing initrd memory: 17128K <6>[ 2.404579] imx-sdma 20ec000.dma-controller: external firmware not found, using ROM firmware <3>[ 21.804704] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: <3>[ 21.808045] rcu: 1-...!: (8 GPs behind) idle=8db0/0/0x0 softirq=0/0 fqs=0 (false positive?) <3>[ 21.816741] rcu: 2-...!: (7 GPs behind) idle=0c30/0/0x0 softirq=0/0 fqs=0 (false positive?) <3>[ 21.825441] rcu: 3-...!: (0 ticks this GP) idle=8f68/0/0x0 softirq=0/0 fqs=0 (false positive?) <3>[ 21.834402] rcu: (detected by 0, t=2102 jiffies, g=-1163, q=2273 ncpus=4) <6>[ 21.841539] Sending NMI from CPU 0 to CPUs 1: <4>[ 21.841558] NMI backtrace for cpu 1 skipped: idling at default_idle_call+0x10/0x7c <6>[ 21.842555] Sending NMI from CPU 0 to CPUs 2: <4>[ 21.842569] NMI backtrace for cpu 2 skipped: idling at default_idle_call+0x10/0x7c <6>[ 21.843564] Sending NMI from CPU 0 to CPUs 3: <4>[ 21.843575] NMI backtrace for cpu 3 skipped: idling at default_idle_call+0x10/0x7c <3>[ 21.844573] rcu: rcu_sched kthread timer wakeup didn't happen for 2101 jiffies! g-1163 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 <3>[ 21.890542] rcu: Possible timer handling issue on cpu=3 timer-softirq=0 <3>[ 21.897502] rcu: rcu_sched kthread starved for 2102 jiffies! g-1163 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=3 <3>[ 21.908028] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. <3>[ 21.917250] rcu: RCU grace-period kthread stack dump: <6>[ 21.922559] task:rcu_sched state:I stack:0 pid:14 tgid:14 ppid:2 flags:0x00000000 <6>[ 21.932129] Call trace: <6>[ 21.932143] __schedule from schedule+0x15/0xd4 <6>[ 21.939698] schedule from schedule_timeout+0x59/0xac <6>[ 21.945006] schedule_timeout from rcu_gp_fqs_loop+0xdd/0x468 <6>[ 21.951010] rcu_gp_fqs_loop from rcu_gp_kthread+0x10d/0x170 <6>[ 21.956924] rcu_gp_kthread from kthread+0xb9/0xcc <6>[ 21.961972] kthread from ret_from_fork+0x11/0x1c <6>[ 21.966928] Exception stack(0xf0875fb0 to 0xf0875ff8) <6>[ 21.972239] 5fa0: 00000000 00000000 00000000 00000000 <6>[ 21.980679] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 21.989117] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 <3>[ 84.854702] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: <3>[ 84.858039] rcu: 3-...!: (0 ticks this GP) idle=8f78/0/0x0 softirq=0/0 fqs=1 (false positive?) <3>[ 84.866997] rcu: (detected by 0, t=8407 jiffies, g=-1163, q=2273 ncpus=4) <6>[ 84.874132] Sending NMI from CPU 0 to CPUs 3: <4>[ 84.874146] NMI backtrace for cpu 3 skipped: idling at default_idle_call+0x10/0x7c <3>[ 84.875145] rcu: rcu_sched kthread timer wakeup didn't happen for 6285 jiffies! g-1163 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 <3>[ 84.898056] rcu: Possible timer handling issue on cpu=3 timer-softirq=0 <3>[ 84.905016] rcu: rcu_sched kthread starved for 6286 jiffies! g-1163 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=3 <3>[ 84.915543] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. <3>[ 84.924764] rcu: RCU grace-period kthread stack dump: <6>[ 84.930072] task:rcu_sched state:I stack:0 pid:14 tgid:14 ppid:2 flags:0x00000000 <6>[ 84.939643] Call trace: <6>[ 84.939651] __schedule from schedule+0x15/0xd4 <6>[ 84.947212] schedule from schedule_timeout+0x59/0xac <6>[ 84.952519] schedule_timeout from rcu_gp_fqs_loop+0xdd/0x468 <6>[ 84.958523] rcu_gp_fqs_loop from rcu_gp_kthread+0x10d/0x170 <6>[ 84.964437] rcu_gp_kthread from kthread+0xb9/0xcc <6>[ 84.969485] kthread from ret_from_fork+0x11/0x1c <6>[ 84.974442] Exception stack(0xf0875fb0 to 0xf0875ff8) <6>[ 84.979753] 5fa0: 00000000 00000000 00000000 00000000 <6>[ 84.988193] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 84.996631] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 <3>[ 106.014702] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: <3>[ 106.018038] rcu: 1-...!: (9 GPs behind) idle=8db8/0/0x0 softirq=0/0 fqs=0 (false positive?) <3>[ 106.026737] rcu: 2-...!: (8 GPs behind) idle=0c38/0/0x0 softirq=0/0 fqs=0 (false positive?) <3>[ 106.035437] rcu: 3-...!: (0 ticks this GP) idle=8f88/0/0x0 softirq=0/0 fqs=0 (false positive?) <3>[ 106.044398] rcu: (detected by 0, t=2102 jiffies, g=-1159, q=2203 ncpus=4) <6>[ 106.051532] Sending NMI from CPU 0 to CPUs 1: <4>[ 106.051545] NMI backtrace for cpu 1 skipped: idling at default_idle_call+0x10/0x7c <6>[ 106.052544] Sending NMI from CPU 0 to CPUs 2: <4>[ 106.052554] NMI backtrace for cpu 2 skipped: idling at default_idle_call+0x10/0x7c <6>[ 106.053552] Sending NMI from CPU 0 to CPUs 3: <4>[ 106.053564] NMI backtrace for cpu 3 skipped: idling at default_idle_call+0x10/0x7c <3>[ 106.054562] rcu: rcu_sched kthread timer wakeup didn't happen for 2101 jiffies! g-1159 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 <3>[ 106.100529] rcu: Possible timer handling issue on cpu=3 timer-softirq=0 <3>[ 106.107489] rcu: rcu_sched kthread starved for 2102 jiffies! g-1159 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=3 <3>[ 106.118016] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. <3>[ 106.127238] rcu: RCU grace-period kthread stack dump: <6>[ 106.132546] task:rcu_sched state:I stack:0 pid:14 tgid:14 ppid:2 flags:0x00000000 <6>[ 106.142115] Call trace: <6>[ 106.142122] __schedule from schedule+0x15/0xd4 <6>[ 106.149685] schedule from schedule_timeout+0x59/0xac <6>[ 106.154991] schedule_timeout from rcu_gp_fqs_loop+0xdd/0x468 <6>[ 106.160995] rcu_gp_fqs_loop from rcu_gp_kthread+0x10d/0x170 <6>[ 106.166911] rcu_gp_kthread from kthread+0xb9/0xcc <6>[ 106.171958] kthread from ret_from_fork+0x11/0x1c <6>[ 106.176915] Exception stack(0xf0875fb0 to 0xf0875ff8) <6>[ 106.182225] 5fa0: 00000000 00000000 00000000 00000000 <6>[ 106.190666] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 106.199104] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 # # <3>[ 169.064701] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: <3>[ 169.068036] rcu: 3-...!: (0 ticks this GP) idle=8f98/0/0x0 softirq=0/0 fqs=1 (false positive?) <3>[ 169.076998] rcu: (detected by 0, t=8407 jiffies, g=-1159, q=2203 ncpus=4) <6>[ 169.084132] Sending NMI from CPU 0 to CPUs 3: <4>[ 169.084144] NMI backtrace for cpu 3 skipped: idling at default_idle_call+0x10/0x7c <3>[ 169.085142] rcu: rcu_sched kthread timer wakeup didn't happen for 6285 jiffies! g-1159 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 <3>[ 169.108055] rcu: Possible timer handling issue on cpu=3 timer-softirq=0 <3>[ 169.115015] rcu: rcu_sched kthread starved for 6286 jiffies! g-1159 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=3 <3>[ 169.125542] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. <3>[ 169.134764] rcu: RCU grace-period kthread stack dump: <6>[ 169.140071] task:rcu_sched state:I stack:0 pid:14 tgid:14 ppid:2 flags:0x00000000 <6>[ 169.149642] Call trace: <6>[ 169.149650] __schedule from schedule+0x15/0xd4 <6>[ 169.157211] schedule from schedule_timeout+0x59/0xac <6>[ 169.162518] schedule_timeout from rcu_gp_fqs_loop+0xdd/0x468 <6>[ 169.168521] rcu_gp_fqs_loop from rcu_gp_kthread+0x10d/0x170 <6>[ 169.174437] rcu_gp_kthread from kthread+0xb9/0xcc <6>[ 169.179483] kthread from ret_from_fork+0x11/0x1c <6>[ 169.184441] Exception stack(0xf0875fb0 to 0xf0875ff8) <6>[ 169.189751] 5fa0: 00000000 00000000 00000000 00000000 <6>[ 169.198192] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 169.206630] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 <3>[ 190.224702] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: <3>[ 190.228035] rcu: 1-...!: (10 GPs behind) idle=8dc0/0/0x0 softirq=0/0 fqs=0 (false positive?) <3>[ 190.236821] rcu: 2-...!: (9 GPs behind) idle=0c40/0/0x0 softirq=0/0 fqs=0 (false positive?) <3>[ 190.245521] rcu: 3-...!: (0 ticks this GP) idle=8fa8/0/0x0 softirq=0/0 fqs=0 (false positive?) <3>[ 190.254482] rcu: (detected by 0, t=2102 jiffies, g=-1155, q=1988 ncpus=4) <6>[ 190.261617] Sending NMI from CPU 0 to CPUs 1: <4>[ 190.261628] NMI backtrace for cpu 1 skipped: idling at default_idle_call+0x10/0x7c <6>[ 190.262627] Sending NMI from CPU 0 to CPUs 2: <4>[ 190.262637] NMI backtrace for cpu 2 skipped: idling at default_idle_call+0x10/0x7c <6>[ 190.263636] Sending NMI from CPU 0 to CPUs 3: <4>[ 190.263647] NMI backtrace for cpu 3 skipped: idling at default_idle_call+0x10/0x7c <3>[ 190.264644] rcu: rcu_sched kthread timer wakeup didn't happen for 2101 jiffies! g-1155 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 <3>[ 190.310611] rcu: Possible timer handling issue on cpu=3 timer-softirq=0 <3>[ 190.317571] rcu: rcu_sched kthread starved for 2102 jiffies! g-1155 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=3 <3>[ 190.328097] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. <3>[ 190.337319] rcu: RCU grace-period kthread stack dump: <6>[ 190.342627] task:rcu_sched state:I stack:0 pid:14 tgid:14 ppid:2 flags:0x00000000 <6>[ 190.352198] Call trace: <6>[ 190.352206] __schedule from schedule+0x15/0xd4 <6>[ 190.359767] schedule from schedule_timeout+0x59/0xac <6>[ 190.365074] schedule_timeout from rcu_gp_fqs_loop+0xdd/0x468 <6>[ 190.371077] rcu_gp_fqs_loop from rcu_gp_kthread+0x10d/0x170 <6>[ 190.376993] rcu_gp_kthread from kthread+0xb9/0xcc <6>[ 190.382040] kthread from ret_from_fork+0x11/0x1c <6>[ 190.386997] Exception stack(0xf0875fb0 to 0xf0875ff8) <6>[ 190.392307] 5fa0: 00000000 00000000 00000000 00000000 <6>[ 190.400748] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 190.409186] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 # # <3>[ 253.274701] rcu: INFO: rcu_sched detected stalls on CPUs/tasks: <3>[ 253.278034] rcu: 3-...!: (0 ticks this GP) idle=8fb8/0/0x0 softirq=0/0 fqs=1 (false positive?) <3>[ 253.286995] rcu: (detected by 0, t=8407 jiffies, g=-1155, q=1988 ncpus=4) <6>[ 253.294130] Sending NMI from CPU 0 to CPUs 3: <4>[ 253.294142] NMI backtrace for cpu 3 skipped: idling at default_idle_call+0x10/0x7c <3>[ 253.295139] rcu: rcu_sched kthread timer wakeup didn't happen for 6285 jiffies! g-1155 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 <3>[ 253.318053] rcu: Possible timer handling issue on cpu=3 timer-softirq=0 <3>[ 253.325013] rcu: rcu_sched kthread starved for 6286 jiffies! g-1155 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=3 <3>[ 253.335540] rcu: Unless rcu_sched kthread gets sufficient CPU time, OOM is now expected behavior. <3>[ 253.344762] rcu: RCU grace-period kthread stack dump: <6>[ 253.350069] task:rcu_sched state:I stack:0 pid:14 tgid:14 ppid:2 flags:0x00000000 <6>[ 253.359639] Call trace: <6>[ 253.359647] __schedule from schedule+0x15/0xd4 <6>[ 253.367209] schedule from schedule_timeout+0x59/0xac <6>[ 253.372516] schedule_timeout from rcu_gp_fqs_loop+0xdd/0x468 <6>[ 253.378519] rcu_gp_fqs_loop from rcu_gp_kthread+0x10d/0x170 <6>[ 253.384435] rcu_gp_kthread from kthread+0xb9/0xcc <6>[ 253.389481] kthread from ret_from_fork+0x11/0x1c <6>[ 253.394439] Exception stack(0xf0875fb0 to 0xf0875ff8) <6>[ 253.399749] 5fa0: 00000000 00000000 00000000 00000000 <6>[ 253.408190] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <6>[ 253.416628] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000 #