connecting to NetworkSerialPort(target=Target(name='omap3-beagle-xm', env=None), name='default', state=, avail=True, host='nuc-1', port=43025, speed=115200, protocol='rfc2217') calling microcom -s 115200 -t nuc-1:43025 connected to 192.168.0.1 (port 43025) Escape character: Ctrl-\ Type the escape character to get to the prompt. U-Boot SPL 2018.09-rc2-00001-ge6aa9785acb2 (Aug 15 2018 - 09:41:52 -0700) Trying to boot from MMC1 spl_load_image_fat_os: error reading image args, err - -2 U-Boot 2018.09-rc2-00001-ge6aa9785acb2 (Aug 15 2018 - 09:41:52 -0700) OMAP3630/3730-GP ES1.2, CPU-OPP2, L3-200MHz, Max CPU Clock 1 GHz Model: TI OMAP3 BeagleBoard OMAP3 Beagle board + LPDDR/NAND I2C: ready DRAM: 256 MiB NAND: 0 MiB MMC: OMAP SD/MMC: 0 Loading Environment from NAND... *** Warning - readenv() failed, using default environment Beagle xM Rev C No EEPROM on expansion board No EEPROM on expansion board OMAP die ID: 0b5000029ff80000016842c910019004 Net: usb_ether starting USB... USB0: USB EHCI 1.00 scanning bus 0 for devices... 3 USB Device(s) found scanning usb for storage devices... 0 Storage Device(s) found scanning usb for ethernet devices... 1 Ethernet Device(s) found Hit any key to stop autoboot: 2  0 BeagleBoard # setenv usbethaddr 00:40:5c:26:0a:6c; usb start BeagleBoard # setenv autoload no BeagleBoard # dhcp Need valid 'usbnet_devaddr' to be setWaiting for Ethernet connection... done. BOOTP broadcast 1 BOOTP broadcast 2 DHCP client bound to address 192.168.0.190 (261 ms) BeagleBoard # setenv serverip 192.168.0.2 BeagleBoard # tftp 0x81000000 3895363/tftp-deploy-0367olmf/kernel/zImage Waiting for Ethernet connection... done. Using sms0 device TFTP from server 192.168.0.2; our IP address is 192.168.0.190 Filename '3895363/tftp-deploy-0367olmf/kernel/zImage'. Load address: 0x81000000 Loading: *T ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# #################################### 794.9 KiB/s done Bytes transferred = 11964928 (b69200 hex) BeagleBoard # tftp 0x82000000 3895363/tftp-deploy-0367olmf/ramdisk/ramdisk.cpio.gz.uboot Waiting for Ethernet connection... done. Using sms0 device TFTP from server 192.168.0.2; our IP address is 192.168.0.190 Filename '3895363/tftp-deploy-0367olmf/ramdisk/ramdisk.cpio.gz.uboot'. Load address: 0x82000000 Loading: *################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ################################################################# ############################ 1.5 MiB/s done Bytes transferred = 18528605 (11ab95d hex) BeagleBoard # setenv initrd_size ${filesize} BeagleBoard # tftp 0x81f00000 3895363/tftp-deploy-0367olmf/dtb/omap3-beagle-xm.dtb Waiting for Ethernet connection... done. Using sms0 device TFTP from server 192.168.0.2; our IP address is 192.168.0.190 Filename '3895363/tftp-deploy-0367olmf/dtb/omap3-beagle-xm.dtb'. Load address: 0x81f00000 Loading: *##### 12.7 KiB/s done Bytes transferred = 70089 (111c9 hex) BeagleBoard # setenv bootargs 'console=ttyO2,115200n8 root=/dev/ram0 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp' BeagleBoard # bootz 0x81000000 0x82000000 0x81f00000 ## Loading init Ramdisk from Legacy Image at 82000000 ... Image Name: Image Type: ARM Linux RAMDisk Image (uncompressed) Data Size: 18528541 Bytes = 17.7 MiB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 81f00000 Booting using the fdt blob at 0x81f00000 Loading Ramdisk to 88e54000, end 89fff91d ... OK Loading Device Tree to 88e3f000, end 88e531c8 ... OK Starting kernel ... <6>[ 0.000000] Booting Linux on physical CPU 0x0 <5>[ 0.000000] Linux version 6.11.0-rc5 (KernelCI@build-j302940-arm-clang-15-multi-v7-defconfig-rgxcm) (Debian clang version 15.0.7, Debian LLD 15.0.7) #1 SMP Sat Aug 31 05:05:28 UTC 2024 <6>[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d <6>[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache <6>[ 0.000000] OF: fdt: Machine model: TI OMAP3 BeagleBoard xM <4>[ 0.000000] Malformed early option 'earlycon' <6>[ 0.000000] Memory policy: Data cache writeback <6>[ 0.000000] efi: UEFI not found. <6>[ 0.000000] cma: Reserved 64 MiB at 0x8b800000 on node -1 <6>[ 0.000000] Zone ranges: <6>[ 0.000000] DMA [mem 0x0000000080000000-0x000000008fdfffff] <6>[ 0.000000] Normal empty <6>[ 0.000000] HighMem empty <6>[ 0.000000] Movable zone start for each node <6>[ 0.000000] Early memory node ranges <6>[ 0.000000] node 0: [mem 0x0000000080000000-0x000000008fdfffff] <6>[ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x000000008fdfffff] <6>[ 0.000000] CPU: All CPU(s) started in SVC mode. <6>[ 0.000000] OMAP3630/DM3730 ES1.2 (l2cache iva sgx neon isp 192mhz_clk) <6>[ 0.000000] percpu: Embedded 17 pages/cpu s40268 r8192 d21172 u69632 <5>[ 0.000000] Kernel command line: console=ttyO2,115200n8 root=/dev/ram0 console_msg_format=syslog earlycon deferred_probe_timeout=60 ip=dhcp <6>[ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes, linear) <6>[ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes, linear) <6>[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 65024 <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=1, 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=1. <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=1 <6>[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 <6>[ 0.000000] IRQ: Found an INTC at 0x(ptrval) (revision 4.0) with 96 interrupts <6>[ 0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention. <6>[ 0.000000] Clocking rate (Crystal/Core/MPU): 26.0/400/600 MHz <6>[ 0.000000] OMAP clocksource: 32k_counter at 32768 Hz <6>[ 0.000000] clocksource: 32k_counter: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 58327039986419 ns <6>[ 0.000000] sched_clock: 32 bits at 33kHz, resolution 30517ns, wraps every 65535999984741ns <6>[ 0.005615] TI gptimer clockevent: always-on 32768 Hz at /ocp@68000000/target-module@48318000 <6>[ 0.009277] Console: colour dummy device 80x30 <3>[ 0.009338] WARNING: Your 'console=ttyO2' has been replaced by 'ttyS2' <3>[ 0.009368] This ensures that you still see kernel messages. Please <3>[ 0.009368] update your kernel commandline. <6>[ 0.009429] Calibrating delay loop... 600.47 BogoMIPS (lpj=3002368) <6>[ 0.056030] CPU: Testing write buffer coherency: ok <6>[ 0.056121] CPU0: Spectre v2: using BPIALL workaround <6>[ 0.056121] pid_max: default: 32768 minimum: 301 <6>[ 0.056335] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) <6>[ 0.056365] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) <6>[ 0.057678] CPU0: thread -1, cpu 0, socket -1, mpidr 0 <6>[ 0.059448] Setting up static identity map for 0x80300000 - 0x803000ac <6>[ 0.064544] rcu: Hierarchical SRCU implementation. <6>[ 0.064575] rcu: Max phase no-delay instances is 1000. <6>[ 0.076416] EFI services will not be available. <6>[ 0.076812] smp: Bringing up secondary CPUs ... <6>[ 0.076873] smp: Brought up 1 node, 1 CPU <6>[ 0.076873] SMP: Total of 1 processors activated (600.47 BogoMIPS). <6>[ 0.076904] CPU: All CPU(s) started in SVC mode. <6>[ 0.077087] Memory: 142824K/260096K available (17408K kernel code, 2536K rwdata, 6644K rodata, 2048K init, 432K bss, 50492K reserved, 65536K cma-reserved, 0K highmem) <6>[ 0.077819] devtmpfs: initialized <6>[ 0.106384] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3 <6>[ 0.106872] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns <6>[ 0.106903] futex hash table entries: 256 (order: 2, 16384 bytes, linear) <6>[ 0.111968] pinctrl core: initialized pinctrl subsystem <6>[ 0.121612] DMI not present or invalid. <6>[ 0.123535] NET: Registered PF_NETLINK/PF_ROUTE protocol family <6>[ 0.126983] DMA: preallocated 256 KiB pool for atomic coherent allocations <4>[ 0.153076] omap_hwmod: mcbsp2_sidetone using broken dt data from mcbsp <4>[ 0.153869] omap_hwmod: mcbsp3_sidetone using broken dt data from mcbsp <6>[ 0.242431] thermal_sys: Registered thermal governor 'step_wise' <6>[ 0.242614] cpuidle: using governor menu <6>[ 0.243316] Reprogramming SDRC clock to 400000000 Hz <6>[ 0.281494] platform 68000000.ocp: Fixed dependency cycle(s) with /ocp@68000000/interrupt-controller@48200000 <6>[ 0.298767] OMAP GPIO hardware version 2.5 <6>[ 0.340911] platform 48050000.dss: Fixed dependency cycle(s) with /encoder0 <6>[ 0.341094] platform encoder0: Fixed dependency cycle(s) with /ocp@68000000/dss@48050000 <6>[ 0.341918] platform encoder0: Fixed dependency cycle(s) with /connector0 <6>[ 0.342071] platform connector0: Fixed dependency cycle(s) with /encoder0 <6>[ 0.342926] platform connector1: Fixed dependency cycle(s) with /ocp@68000000/dss@48050000/encoder@48050c00 <6>[ 0.344177] amba 5401b000.etb: Fixed dependency cycle(s) with /etm@54010000 <6>[ 0.344329] amba 54010000.etm: Fixed dependency cycle(s) with /etb@5401b000 <6>[ 0.344665] No ATAGs? <6>[ 0.344665] hw-breakpoint: debug architecture 0x4 unsupported. <6>[ 0.361114] Serial: AMBA PL011 UART driver <6>[ 0.409698] iommu: Default domain type: Translated <6>[ 0.409729] iommu: DMA domain TLB invalidation policy: strict mode <6>[ 0.411743] omap-iommu 480bd400.mmu: 480bd400.mmu registered <5>[ 0.429565] SCSI subsystem initialized <6>[ 0.430603] usbcore: registered new interface driver usbfs <6>[ 0.430694] usbcore: registered new interface driver hub <6>[ 0.430755] usbcore: registered new device driver usb <6>[ 0.449005] omap_i2c 48070000.i2c: bus 0 rev4.4 at 2600 kHz <6>[ 0.450286] omap_i2c 48072000.i2c: bus 1 rev4.4 at 400 kHz <6>[ 0.459197] omap_i2c 48060000.i2c: bus 2 rev4.4 at 100 kHz <6>[ 0.460937] pps_core: LinuxPPS API ver. 1 registered <6>[ 0.460937] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <6>[ 0.460998] PTP clock support registered <6>[ 0.461547] EDAC MC: Ver: 3.0.0 <6>[ 0.462341] scmi_core: SCMI protocol bus registered <6>[ 0.480926] vgaarb: loaded <6>[ 0.481658] clocksource: Switched to clocksource 32k_counter <6>[ 0.513183] NET: Registered PF_INET protocol family <6>[ 0.513580] IP idents hash table entries: 4096 (order: 3, 32768 bytes, linear) <6>[ 0.514892] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear) <6>[ 0.514953] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) <6>[ 0.514953] TCP established hash table entries: 2048 (order: 1, 8192 bytes, linear) <6>[ 0.515075] TCP bind hash table entries: 2048 (order: 3, 32768 bytes, linear) <6>[ 0.515228] TCP: Hash tables configured (established 2048 bind 2048) <6>[ 0.515350] UDP hash table entries: 256 (order: 1, 8192 bytes, linear) <6>[ 0.515380] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear) <6>[ 0.515594] NET: Registered PF_UNIX/PF_LOCAL protocol family <6>[ 0.535552] RPC: Registered named UNIX socket transport module. <6>[ 0.535583] RPC: Registered udp transport module. <6>[ 0.535583] RPC: Registered tcp transport module. <6>[ 0.535583] RPC: Registered tcp-with-tls transport module. <6>[ 0.535614] RPC: Registered tcp NFSv4.1 backchannel transport module. <6>[ 0.535614] PCI: CLS 0 bytes, default 64 <5>[ 0.542449] Initialise system trusted keyrings <6>[ 0.543914] Trying to unpack rootfs image as initramfs... <6>[ 0.582031] workingset: timestamp_bits=30 max_order=16 bucket_order=0 <6>[ 0.582733] squashfs: version 4.0 (2009/01/31) Phillip Lougher <5>[ 0.592681] NFS: Registering the id_resolver key type <5>[ 0.592803] Key type id_resolver registered <5>[ 0.592834] Key type id_legacy registered <6>[ 0.592895] nfs4filelayout_init: NFSv4 File Layout Driver Registering... <6>[ 0.592926] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... <5>[ 0.593658] Key type asymmetric registered <5>[ 0.593688] Asymmetric key parser 'x509' registered <6>[ 0.593811] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 246) <6>[ 0.593841] io scheduler mq-deadline registered <6>[ 0.593872] io scheduler kyber registered <6>[ 0.593902] io scheduler bfq registered <6>[ 0.625122] pinctrl-single 48002030.pinmux: 284 pins, size 568 <6>[ 0.625854] pinctrl-single 48002a00.pinmux: 46 pins, size 92 <6>[ 0.626739] pinctrl-single 480025a0.pinmux: 46 pins, size 92 <6>[ 1.276489] Serial: 8250/16550 driver, 5 ports, IRQ sharing enabled <6>[ 1.333435] 4806a000.serial: ttyS0 at MMIO 0x4806a000 (irq = 88, base_baud = 3000000) is a 8250 <6>[ 1.336700] 4806c000.serial: ttyS1 at MMIO 0x4806c000 (irq = 89, base_baud = 3000000) is a 8250 <6>[ 1.340118] 49020000.serial: ttyS2 at MMIO 0x49020000 (irq = 90, base_baud = 3000000) is a 8250 <6>[ 1.340209] printk: legacy console [ttyS2] enabled <6>[ 2.584716] 49042000.serial: ttyS3 at MMIO 0x49042000 (irq = 96, base_baud = 3000000) is a 8250 <6>[ 2.626098] msm_serial: driver initialized <6>[ 2.631439] SuperH (H)SCI(F) driver initialized <6>[ 2.637268] STMicroelectronics ASC driver initialized <6>[ 2.643005] STM32 USART driver initialized <6>[ 2.782714] brd: module loaded <6>[ 2.820159] loop: module loaded <6>[ 2.894287] twl 0-0048: PIH (irq 23) chaining IRQs 145..153 <6>[ 2.900360] twl 0-0048: power (irq 150) chaining IRQs 153..160 <6>[ 3.010467] twl4030_gpio twl4030-gpio: gpio (irq 145) chaining IRQs 161..178 <6>[ 3.269104] CAN device driver interface <6>[ 3.276977] bgmac_bcma: Broadcom 47xx GBit MAC driver loaded <6>[ 3.286956] e1000e: Intel(R) PRO/1000 Network Driver <6>[ 3.292297] e1000e: Copyright(c) 1999 - 2015 Intel Corporation. <6>[ 3.298614] igb: Intel(R) Gigabit Ethernet Network Driver <6>[ 3.304351] igb: Copyright (c) 2007-2014 Intel Corporation. <6>[ 3.325134] pegasus: Pegasus/Pegasus II USB Ethernet driver <6>[ 3.331115] usbcore: registered new interface driver pegasus <6>[ 3.337219] usbcore: registered new interface driver asix <6>[ 3.343017] usbcore: registered new interface driver ax88179_178a <6>[ 3.349456] usbcore: registered new interface driver cdc_ether <6>[ 3.355712] usbcore: registered new interface driver smsc75xx <6>[ 3.361846] usbcore: registered new interface driver smsc95xx <6>[ 3.367919] usbcore: registered new interface driver net1080 <6>[ 3.373992] usbcore: registered new interface driver cdc_subset <6>[ 3.380279] usbcore: registered new interface driver zaurus <6>[ 3.386291] usbcore: registered new interface driver cdc_ncm <6>[ 3.407104] usbcore: registered new interface driver usb-storage <6>[ 3.487518] ohci-platform 48064400.ohci: Generic Platform OHCI controller <6>[ 3.494842] ohci-platform 48064400.ohci: new USB bus registered, assigned bus number 1 <6>[ 3.562377] ohci-platform 48064400.ohci: irq 92, io mem 0x48064400 <4>[ 3.569244] twl_rtc 48070000.i2c:twl@48:rtc: Power up reset detected. <6>[ 3.615417] twl_rtc 48070000.i2c:twl@48:rtc: registered as rtc0 <6>[ 3.623809] twl_rtc 48070000.i2c:twl@48:rtc: setting system clock to 2000-01-01T00:00:00 UTC (946684800) <6>[ 3.678771] i2c_dev: i2c /dev entries driver <6>[ 3.773101] hub 1-0:1.0: USB hub found <6>[ 3.796783] hub 1-0:1.0: 3 ports detected <6>[ 3.821166] sdhci: Secure Digital Host Controller Interface driver <6>[ 3.827819] sdhci: Copyright(c) Pierre Ossman <6>[ 3.839050] Synopsys Designware Multimedia Card Interface Driver <6>[ 3.850830] sdhci-pltfm: SDHCI platform and OF driver helper <3>[ 3.875091] omap_hsmmc 4809c000.mmc: RX DMA channel request failed <6>[ 4.068756] rootfs image is not initramfs (uncompression error); looks like an initrd <6>[ 4.243194] Freeing initrd memory: 18096K <1>[ 4.247863] 8<--- cut here --- <1>[ 4.251220] Unable to handle kernel paging request at virtual address e1a00218 when read <1>[ 4.259613] [e1a00218] *pgd=00000000 <0>[ 4.263458] Internal error: Oops: 5 [#1] SMP ARM <4>[ 4.268371] Modules linked in: <4>[ 4.271728] CPU: 0 UID: 0 PID: 46 Comm: kworker/u4:5 Not tainted 6.11.0-rc5 #1 <4>[ 4.279235] Hardware name: Generic OMAP36xx (Flattened Device Tree) <4>[ 4.285797] PC is at __mutex_lock+0x194/0x84c <4>[ 4.290435] LR is at bprm_execve+0x28/0x4d8 <4>[ 4.294921] pc : [] lr : [] psr: a0000053 <4>[ 4.301483] sp : d017def0 ip : 00000000 fp : c3b2c000 <4>[ 4.307006] r10: 00000001 r9 : c1d8a604 r8 : c45d4000 <4>[ 4.312499] r7 : c4728000 r6 : c1f66c48 r5 : c45fd000 r4 : c25d13cc <4>[ 4.319335] r3 : 00000000 r2 : e1a00004 r1 : e1a00000 r0 : e1a00000 <4>[ 4.326141] Flags: NzCv IRQs on FIQs off Mode SVC_32 ISA ARM Segment none <4>[ 4.333679] Control: 10c5387d Table: 80204019 DAC: 00000051 <1>[ 4.339691] Register r0 information: vmalloc memory <1>[ 4.344879] Register r1 information: vmalloc memory <1>[ 4.350036] Register r2 information: vmalloc memory <1>[ 4.355194] Register r3 information: NULL pointer <1>[ 4.360198] Register r4 information: slab signal_cache start c25d1180 pointer offset 588 size 640 <1>[ 4.369384] Register r5 information: slab kmalloc-512 start c45fd000 pointer offset 0 size 512 <1>[ 4.378326] Register r6 information: non-slab/vmalloc memory <1>[ 4.384277] Register r7 information: slab task_struct start c4728000 pointer offset 0 size 2176 <1>[ 4.393310] Register r8 information: slab kmalloc-64 start c45d4000 pointer offset 0 size 64 <1>[ 4.402069] Register r9 information: non-slab/vmalloc memory <1>[ 4.408020] Register r10 information: non-paged memory <1>[ 4.413452] Register r11 information: slab kmalloc-4k start c3b2c000 pointer offset 0 size 4096 <1>[ 4.422454] Register r12 information: NULL pointer <0>[ 4.427551] Process kworker/u4:5 (pid: 46, stack limit = 0x(ptrval)) <0>[ 4.434204] Stack: (0xd017def0 to 0xd017e000) <0>[ 4.438842] dee0: c2380900 7fd0b066 00000000 00000000 <0>[ 4.447326] df00: 00000000 00000000 7fd0b066 c4728000 c45fd000 c45fd000 c4728000 c45d4000 <0>[ 4.455780] df20: c1d8a604 c45fd000 c3b2c000 c05121dc 0000000f c0510224 0000000f c45fd000 <0>[ 4.464263] df40: 00000001 c45d3ffc 7fd0b066 fffffff9 00000004 c45fd000 c4728000 c45d4000 <0>[ 4.472747] df60: c1d8a604 c45fd000 c3b2c000 c0511c28 7fd0b066 c45d4080 c45fe4c0 c45fe480 <0>[ 4.481231] df80: c45fe4a8 c1f7dc04 00000000 00000000 00000000 c036593c c45d4080 c0365810 <0>[ 4.489715] dfa0: 00000000 00000000 00000000 c03001ac 00000000 00000000 00000000 00000000 <0>[ 4.498199] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 4.506683] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 <0>[ 4.515136] Call trace: <0>[ 4.515167] __mutex_lock from bprm_execve+0x28/0x4d8 <0>[ 4.523315] bprm_execve from kernel_execve+0x1e4/0x298 <0>[ 4.528839] kernel_execve from call_usermodehelper_exec_async+0x12c/0x1a0 <0>[ 4.536041] call_usermodehelper_exec_async from ret_from_fork+0x14/0x28 <0>[ 4.543029] Exception stack(0xd017dfb0 to 0xd017dff8) <0>[ 4.548370] dfa0: 00000000 00000000 00000000 00000000 <0>[ 4.556854] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 <0>[ 4.565338] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 <0>[ 4.572235] Code: e5940000 e3c00007 e3500000 0a000003 (e5901218) <4>[ 4.578613] ---[ end trace 0000000000000000 ]--- <6>[ 4.583526] note: kworker/u4:5[46] exited with irqs disabled