On Wednesday, January 29, 2020 7:11:47 A.M. EST Sheraz Ali wrote:
> I cannot enter any commands when it crashes
>
The issue appears to be with the SDCard. I would suggest you start by building
a kernel with a bundled initramfs, thus avoiding having to read the rootfs
from SD. You can find instructions on how to build the initramfs and bundle it
in the Yocto docs.
Essentially though you need to append the following lines to your local.conf
COMPATIBLE_HOST_pn-core-image-tiny-initramfs = "aarch64-poky-linux"
INITRAMFS_IMAGE = "core-image-tiny-initramfs"
INITRAMFS_IMAGE_BUNDLE = "1"
You will also need to create a layer or use an existing layer to host a
busybox_%.bbappend with the contents
SRC_URI += "file://mdev-fragment.cfg"
FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
and a busybox/mdev-fragment.cfg with the contents
CONFIG_MDEV = y
Once you do this you will get a second kernel image in tmp/deploy, one without
the initramfs bundled and the other with. Use the one with the initramfs
bundled and adjust your kernel cmdline to use /dev/ram0 as root= instead of
root=/dev/mmcblk0p1.
I am hopeful that this will get your boot to complete. At this point you can
attempt to mount /dev/mmcblk0p1which will most likely cause things to fail.
Having the system up and running with the initramfs should get you in a better
possition to debug the issue.
Before you do any of the above I would also try a different SD card or two.
Mark Asselstine
> On 29/01/20 1:15 AM, Randy MacLeod wrote:
> > On 1/28/20 1:11 PM, Mark Asselstine wrote:
> >> On Tuesday, January 28, 2020 12:58:35 P.M. EST Sheraz Ali wrote:
> >>> Hi,
> >>>
> >>> Can anyone suggest me dumping tools that can be used to figure the
> >>>
> >>> kernel hang. I have attached the log of kernel hang for your reference.
> >>
> >> Is the kernel actually hung? ie. does it still respond to magic-sysrq,
> >> like
> >> 'alt+sysrq l' or 'alt+sysrq b'. It makes things a lot easier if the
> >> kernel is still alive so best to determine if it is "appears to be hung"
> >> vs "is hung".>
> > Hi Sheraz,
> >
> > In addition to Mark's comments, did you try:
> >
> > [ 242.788074] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> > to see if you could learn more about the system when things slow down?
> >
> > Disabling that hang check and using perf is probably a good starting
> > point. I don't
> > have specific suggestions but this somewhat dated document might help
> > if you are just getting started
> > with perf and Yocto:
> > https://wiki.yoctoproject.org/wiki/Tracing_and_Profiling
> > and for a more general perf examples, see:
> > http://www.brendangregg.com/perf.html
> >
> >
> > Also, it's better to avoid posting attachments especially .docx files.
> > I (safely ;-) ) opened the file in google docs. It is inline below.
> > It's ~ 400 lines which is somewhat long so if you do attach files in
> > the future
> > that are say 1000 lines, just use plain text.
> >
> > Thanks,
> >
> > ../Randy
> >
> > -- U-Boot 2018.03-imx_v2018.03_4.14.62_1.0.0_beta+g7fac6b9__CCU_REL8.0
> > (Jan 23 2020 - 05:39:38 +0000)
> >
> >
> > CPU: Freescale i.MX8QXP revB A35 at 1200 MHz at 38C
> >
> > Model: Freescale i.MX8DX CCU
> >
> > Board: iMX8DX ARM2 Based Custom Board
> >
> > Boot: MMC0
> >
> > DRAM: 510 MiB
> >
> > ENET_mode:MII
> >
> > MMC: FSL_SDHC: 0
> >
> > Loading Environment from MMC... OK
> >
> > In: serial@5a060000
> >
> > Out: serial@5a060000
> >
> > Err: serial@5a060000
> >
> > Saving Environment to MMC... Writing to MMC(0)... OK
> >
> >
> > BuildInfo:
> >
> > - SCFW 06ff1979, SECO-FW 31fabbff, IMX-MKIMAGE 7f7b5b25, Container
> > container0, ATF 30d73be
> >
> > - U-Boot 2018.03-imx_v2018.03_4.14.62_1.0.0_beta+g7fac6b9__CCU_REL8.0
> >
> >
> > flash target is MMC:0
> >
> > Net: eth0: ethernet@5b040000 [PRIME]
> >
> > Fastboot: Normal
> >
> > Normal Boot
> >
> > Hit any key to stop autoboot: 0
> >
> > 74752 bytes read in 15 ms (4.8 MiB/s)
> >
> > Authenticate OS container at 0x85000000
> >
> > ## Starting auxiliary core at 0x88000000 ...
> >
> > Power on aux core 0
> >
> > M4 image will run from 0x88000000
> >
> > Start M4
> >
> > bootaux complete
> >
> > 10999808 bytes read in 194 ms (54.1 MiB/s)
> >
> > Authenticate OS container at 0x86000000
> >
> > ## Flattened Device Tree blob at 83000000
> >
> > Booting using the fdt blob at 0x83000000
> >
> > Using Device Tree in place at 0000000083000000, end 00000000830133cf
> >
> > /dma-controller@591F0000, 51536
> >
> > /dma-controller@599F0000, 52424
> >
> > /dma-controller@5a1f0000, 51004
> >
> > /dma-controller@5a1f0000, 51004
> >
> >
> > Starting kernel ...
> >
> >
> > lsio_gpio0 not owned by curr partition 199
> >
> > [ 0.000000] Booting Linux on physical CPU 0x0
> >
> > [ 0.000000] Linux version 4.14.62-imx_4.14.62_1.0.0_beta+g1907fe4
> > (oe-user@oe-host) (gcc version 7.3.0 (GCC)) #1 SMP PREEMPT Wed Nov 20
> > 06:37:17 UTC 2019
> >
> > [ 0.000000] Boot CPU: AArch64 Processor [410fd042]
> >
> > [ 0.000000] Machine model: Freescale i.MX8DX MEK
> >
> > [ 0.000000] earlycon: lpuart32 at MMIO 0x000000005a060000 (options
> > '115200')
> >
> > [ 0.000000] bootconsole [lpuart32] enabled
> >
> > [ 0.000000] OF: reserved mem: failed to allocate memory for node
> > 'linux,cma'
> >
> > [ 0.000000] cma: Failed to reserve 320 MiB
> >
> > [ 0.000000] psci: probing for conduit method from DT.
> >
> > [ 0.000000] psci: PSCIv1.1 detected in firmware.
> >
> > [ 0.000000] psci: Using standard PSCI v0.2 function IDs
> >
> > [ 0.000000] psci: MIGRATE_INFO_TYPE not supported.
> >
> > [ 0.000000] psci: SMC Calling Convention v1.1
> >
> > [ 0.000000] percpu: Embedded 20 pages/cpu @ffff80001ff68000 s44056
> > r8192 d29672 u81920
> >
> > [ 0.000000] Detected VIPT I-cache on CPU0
> >
> > [ 0.000000] Speculative Store Bypass Disable mitigation not required
> >
> > [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages:
> > 89208
> >
> > [ 0.000000] Kernel command line: root=/dev/mmcblk0p1
> > console=ttyLP0,115200 earlycon=lpuart32,0x5a060000,115200 rootwait
> > rootfstype=ext4 rw
> >
> > [ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes)
> >
> > [ 0.000000] Dentry cache hash table entries: 65536 (order: 7,
> > 524288 bytes)
> >
> > [ 0.000000] Inode-cache hash table entries: 32768 (order: 6, 262144
> > bytes)
> >
> > [ 0.000000] Memory: 202612K/362496K available (7422K kernel code,
> > 492K rwdata, 2232K rodata, 448K init, 269K bss, 159884K reserved, 0K
> > cma-reserved)
> >
> > [ 0.000000] Virtual kernel memory layout:
> >
> > [ 0.000000] modules : 0xffff000000000000 - 0xffff000008000000
> > ( 128 MB)
> >
> > [ 0.000000] vmalloc : 0xffff000008000000 - 0xffff7dffbfff0000
> > (129022 GB)
> >
> > [ 0.000000] .text : 0xffff000008080000 - 0xffff0000087c0000
> > ( 7424 KB)
> >
> > [ 0.000000] .rodata : 0xffff0000087c0000 - 0xffff000008a00000
> > ( 2304 KB)
> >
> > [ 0.000000] .init : 0xffff000008a00000 - 0xffff000008a70000
> > ( 448 KB)
> >
> > [ 0.000000] .data : 0xffff000008a70000 - 0xffff000008aeb008
> > ( 493 KB)
> >
> > [ 0.000000] .bss : 0xffff000008aeb008 - 0xffff000008b2e7f0
> > ( 270 KB)
> >
> > [ 0.000000] fixed : 0xffff7dfffe7fb000 - 0xffff7dfffec00000 (
> > 4116 KB)
> >
> > [ 0.000000] PCI I/O : 0xffff7dfffee00000 - 0xffff7dffffe00000
> > ( 16 MB)
> >
> > [ 0.000000] vmemmap : 0xffff7e0000000000 - 0xffff800000000000
> > ( 2048 GB maximum)
> >
> > [ 0.000000] 0xffff7e0000008000 - 0xffff7e0000800000
> > ( 7 MB actual)
> >
> > [ 0.000000] memory : 0xffff800000200000 - 0xffff800020000000
> > ( 510 MB)
> >
> > [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
> >
> > [ 0.000000] Preemptible hierarchical RCU implementation.
> >
> > [ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=2.
> >
> > [ 0.000000] Tasks RCU enabled.
> >
> > [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16,
> > nr_cpu_ids=2
> >
> > [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
> >
> > [ 0.000000] GICv3: GIC: Using split EOI/Deactivate mode
> >
> > [ 0.000000] GICv3: no VLPI support, no direct LPI support
> >
> > [ 0.000000] GICv3: CPU0: found redistributor 0 region
> > 0:0x0000000051b00000
> >
> > [ 0.000000] arch_timer: cp15 timer(s) running at 8.00MHz (phys).
> >
> > [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff
> > max_cycles: 0x1d854df40, max_idle_ns: 440795202120 ns
> >
> > [ 0.000005] sched_clock: 56 bits at 8MHz, resolution 125ns, wraps
> > every 2199023255500ns
> >
> > [ 0.008628] Console: colour dummy device 80x25
> >
> > [ 0.012749] Calibrating delay loop (skipped), value calculated
> > using timer frequency.. 16.00 BogoMIPS (lpj=32000)
> >
> > [ 0.022984] pid_max: default: 32768 minimum: 301
> >
> > [ 0.027667] Security Framework initialized
> >
> > [ 0.031710] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes)
> >
> > [ 0.038278] Mountpoint-cache hash table entries: 1024 (order: 1,
> > 8192 bytes)
> >
> > [ 0.061381] ASID allocator initialised with 32768 entries
> >
> > [ 0.066512] Hierarchical SRCU implementation.
> >
> > [ 0.078976] *****Initialized MU
> >
> > [ 0.081783] **** imx8_init_pm_domains ****
> >
> > [ 0.087226] CPU identified as i.MX8QXP, silicon rev 1.1
> >
> > [ 0.100145] smp: Bringing up secondary CPUs ...
> >
> > [ 0.132762] Detected VIPT I-cache on CPU1
> >
> > [ 0.132791] GICv3: CPU1: found redistributor 1 region
> > 0:0x0000000051b20000
> >
> > [ 0.132823] CPU1: Booted secondary processor [410fd042]
> >
> > [ 0.132905] smp: Brought up 1 node, 2 CPUs
> >
> > [ 0.152743] SMP: Total of 2 processors activated.
> >
> > [ 0.157425] CPU features: detected feature: GIC system register CPU
> > interface
> >
> > [ 0.164547] CPU features: detected feature: 32-bit EL0 Support
> >
> > [ 0.170367] CPU features: detected feature: Kernel page table
> > isolation (KPTI)
> >
> > [ 0.180069] CPU: All CPU(s) started at EL2
> >
> > [ 0.183833] alternatives: patching kernel code
> >
> > [ 0.188812] devtmpfs: initialized
> >
> > [ 0.202349] random: get_random_u32 called from
> > bucket_table_alloc+0x108/0x260 with crng_init=0
> >
> > [ 0.211143] clocksource: jiffies: mask: 0xffffffff max_cycles:
> > 0xffffffff, max_idle_ns: 7645041785100000 ns
> >
> > [ 0.220560] futex hash table entries: 512 (order: 4, 65536 bytes)
> >
> > [ 0.226762] pinctrl core: initialized pinctrl subsystem
> >
> > [ 0.232555] NET: Registered protocol family 16
> >
> > [ 0.237997] cpuidle: using governor menu
> >
> > [ 0.242655] vdso: 2 pages (1 code @ ffff0000087c6000, 1 data @
> > ffff000008a74000)
> >
> > [ 0.249741] hw-breakpoint: found 6 breakpoint and 4 watchpoint
> > registers.
> >
> > [ 0.256679] DMA: preallocated 256 KiB pool for atomic allocations
> >
> > [ 0.262703] Serial: AMBA PL011 UART driver
> >
> > [ 0.268334] MU and Power domains initialized
> >
> > [ 0.272285] **** imx8qxp_clocks_init ****
> >
> > [ 0.334337] imx8qxp-pinctrl iomuxc: initialized IMX pinctrl driver
> >
> > [ 0.354628] mxs_phy 5b100000.usbphy: 5b100000.usbphy supply phy-3p0
> > not found, using dummy regulator
> >
> > [ 0.384247] HugeTLB registered 2.00 MiB page size, pre-allocated 0
> > pages
> >
> > [ 0.410801] usbcore: registered new interface driver usbfs
> >
> > [ 0.416021] usbcore: registered new interface driver hub
> >
> > [ 0.421323] usbcore: registered new device driver usb
> >
> > [ 0.426846] usb_phy_generic usbphynop1: usbphynop1 supply vcc not
> > found, using dummy regulator
> >
> > [ 0.436483] i2c i2c-0: of_i2c: modalias failure on
> > /i2c@37230000/PCA9535@21
> >
> > [ 0.443130] i2c i2c-0: Failed to create I2C device for
> > /i2c@37230000/PCA9535@21
> >
> > [ 0.450420] i2c i2c-0: LPI2C adapter registered
> >
> > [ 0.455194] pps_core: LinuxPPS API ver. 1 registered
> >
> > [ 0.459887] pps_core: Software ver. 5.3.6 - Copyright 2005-2007
> > Rodolfo Giometti <[email protected]>
> >
> > [ 0.469018] PTP clock support registered
> >
> > [ 0.473973] MU is ready for cross core communication!
> >
> > [ 0.479393] virtio_rpmsg_bus virtio0: rpmsg host is online
> >
> > [ 0.485197] virtio_rpmsg_bus virtio1: rpmsg host is online
> >
> > [ 0.490383] virtio_rpmsg_bus virtio1: creating channel
> > rpmsg_channel_0 addr 0x53
> >
> > [ 0.497802] virtio_rpmsg_bus virtio1: creating channel
> > rpmsg_channel_0 addr 0x52
> >
> > [ 0.498067] virtio_rpmsg_bus virtio1: creating channel
> > rpmsg_channel_0 addr 0x51
> >
> > [ 0.498264] virtio_rpmsg_bus virtio1: creating channel
> > rpmsg_channel_0 addr 0x54
> >
> > [ 0.505568] virtio_rpmsg_bus virtio1: creating channel
> > rpmsg_channel_0 addr 0x59
> >
> > [ 0.505768] virtio_rpmsg_bus virtio1: creating channel
> > rpmsg_channel_0 addr 0x5a
> >
> > [ 0.513040] virtio_rpmsg_bus virtio1: creating channel
> > rpmsg_channel_0 addr 0x55
> >
> > [ 0.520459] virtio_rpmsg_bus virtio1: creating channel
> > rpmsg_channel_0 addr 0x58
> >
> > [ 0.520650] virtio_rpmsg_bus virtio1: creating channel
> > rpmsg_channel_0 addr 0x56
> >
> > [ 0.527922] virtio_rpmsg_bus virtio1: creating channel
> > rpmsg_channel_0 addr 0x57
> >
> > [ 0.564988] imx rpmsg driver is registered.
> >
> > [ 0.569450] Bluetooth: Core ver 2.22
> >
> > [ 0.572713] NET: Registered protocol family 31
> >
> > [ 0.577122] Bluetooth: HCI device and connection manager initialized
> >
> > [ 0.583471] Bluetooth: HCI socket layer initialized
> >
> > [ 0.588328] Bluetooth: L2CAP socket layer initialized
> >
> > [ 0.593386] Bluetooth: SCO socket layer initialized
> >
> > [ 0.598868] clocksource: Switched to clocksource arch_sys_counter
> >
> > [ 0.611273] NET: Registered protocol family 2
> >
> > [ 0.615753] TCP established hash table entries: 4096 (order: 3,
> > 32768 bytes)
> >
> > [ 0.622544] TCP bind hash table entries: 4096 (order: 4, 65536 bytes)
> >
> > [ 0.628959] TCP: Hash tables configured (established 4096 bind 4096)
> >
> > [ 0.635336] UDP hash table entries: 256 (order: 1, 8192 bytes)
> >
> > [ 0.641080] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
> >
> > [ 0.647441] NET: Registered protocol family 1
> >
> > [ 0.651943] RPC: Registered named UNIX socket transport module.
> >
> > [ 0.657571] RPC: Registered udp transport module.
> >
> > [ 0.662259] RPC: Registered tcp transport module.
> >
> > [ 0.666947] RPC: Registered tcp NFSv4.1 backchannel transport module.
> >
> > [ 0.674238] hw perfevents: enabled with armv8_pmuv3 PMU driver, 7
> > counters available
> >
> > [ 0.682028] kvm [1]: 8-bit VMID
> >
> > [ 0.685265] kvm [1]: GICv3: no GICV resource entry
> >
> > [ 0.689723] kvm [1]: disabling GICv2 emulation
> >
> > [ 0.694170] kvm [1]: GIC system register CPU interface enabled
> >
> > [ 0.700018] kvm [1]: vgic interrupt IRQ1
> >
> > [ 0.703938] kvm [1]: Hyp mode initialized successfully
> >
> > [ 0.711792] workingset: timestamp_bits=46 max_order=16 bucket_order=0
> >
> > [ 0.724570] squashfs: version 4.0 (2009/01/31) Phillip Lougher
> >
> > [ 0.730756] NFS: Registering the id_resolver key type
> >
> > [ 0.735491] Key type id_resolver registered
> >
> > [ 0.739679] Key type id_legacy registered
> >
> > [ 0.743662] nfs4filelayout_init: NFSv4 File Layout Driver
> > Registering...
> >
> > [ 0.753535] Block layer SCSI generic (bsg) driver version 0.4
> > loaded (major 248)
> >
> > [ 0.760668] io scheduler noop registered
> >
> > [ 0.764710] io scheduler cfq registered (default)
> >
> > [ 0.769218] io scheduler mq-deadline registered
> >
> > [ 0.773720] io scheduler kyber registered
> >
> > [ 0.932257] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
> >
> > [ 0.940722] 5a060000.serial: ttyLP0 at MMIO 0x5a060010 (irq = 38,
> > base_baud = 5000000) is a FSL_LPUAR[ 0.951903] console [ttyLP0] enabled
> >
> > [ 0.951903] console [ttyLP0] enabled
> >
> > [ 0.958917] bootconsole [lpuart32] disabled
> >
> > [ 0.958917] bootconsole [lpuart32] disabled
> >
> > [ 0.967459] fsl-lpuart 5a060000.serial: NO DMA tx channel, run at
> > cpu mode
> >
> > [ 0.974344] fsl-lpuart 5a060000.serial: NO DMA rx channel, run at
> > cpu mode
> >
> > [ 0.981984] 5a070000.serial: ttyLP1 at MMIO 0x5a070010 (irq = 39,
> > base_baud = 5000000) is a FSL_LPUART
> >
> > [ 0.991525] fsl-lpuart 5a070000.serial: NO DMA tx channel, run at
> > cpu mode
> >
> > [ 0.998417] fsl-lpuart 5a070000.serial: NO DMA rx channel, run at
> > cpu mode
> >
> > [ 1.006015] 5a080000.serial: ttyLP2 at MMIO 0x5a080010 (irq = 40,
> > base_baud = 5000000) is a FSL_LPUART
> >
> > [ 1.015530] fsl-lpuart 5a080000.serial: NO DMA tx channel, run at
> > cpu mode
> >
> > [ 1.022421] fsl-lpuart 5a080000.serial: NO DMA rx channel, run at
> > cpu mode
> >
> > [ 1.031495] fsl_lpspi 5a000000.lpspi: lpspi probed
> >
> > [ 1.036768] libphy: Fixed MDIO Bus: probed
> >
> > [ 1.042148] fec 5b040000.ethernet: 5b040000.ethernet supply phy not
> > found, using dummy regulator
> >
> > [ 1.051325] pps pps0: new PPS source ptp0
> >
> > [ 1.056521] libphy: fec_enet_mii_bus: probed
> >
> > [ 1.061701] fec 5b040000.ethernet eth0: registered PHC device 0
> >
> > [ 1.067841] PPP generic driver version 2.4.2
> >
> > [ 1.072273] PPP Deflate Compression module registered
> >
> > [ 1.081412] xhci-cdns3: xHCI Host Controller
> >
> > [ 1.085806] xhci-cdns3: new USB bus registered, assigned bus number 1
> >
> > [ 1.093593] xhci-cdns3: hcc params 0x200073c8 hci version 0x100
> > quirks 0xa0010010
> >
> > [ 1.101728] hub 1-0:1.0: USB hub found
> >
> > [ 1.105515] hub 1-0:1.0: 1 port detected
> >
> > [ 1.109722] xhci-cdns3: xHCI Host Controller
> >
> > [ 1.114102] xhci-cdns3: new USB bus registered, assigned bus number 2
> >
> > [ 1.120645] xhci-cdns3: Host supports USB 3.0 SuperSpeed
> >
> > [ 1.126183] usb usb2: We don't know the algorithms for LPM for this
> > host, disabling LPM.
> >
> > [ 1.134714] hub 2-0:1.0: USB hub found
> >
> > [ 1.138498] hub 2-0:1.0: 1 port detected
> >
> > [ 1.142953] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> >
> > [ 1.149489] ehci-platform: EHCI generic platform driver
> >
> > [ 1.155296] usbcore: registered new interface driver cdc_acm
> >
> > [ 1.160966] cdc_acm: USB Abstract Control Model driver for USB
> > modems and ISDN adapters
> >
> > [ 1.169790] usbmisc_imx 5b0d0200.usbmisc: 5b0d0200.usbmisc supply
> > vbus-wakeup not found, using dummy regulator
> >
> > [ 1.185163] using random self ethernet address
> >
> > [ 1.189627] using random host ethernet address
> >
> > [ 1.194455] usb0: HOST MAC 92:91:a8:31:cb:e7
> >
> > [ 1.198786] usb0: MAC fe:25:91:fa:0c:72
> >
> > [ 1.202654] using random self ethernet address
> >
> > [ 1.207105] using random host ethernet address
> >
> > [ 1.211669] g_ether gadget: Ethernet Gadget, version: Memorial Day 2008
> >
> > [ 1.218295] g_ether gadget: g_ether ready
> >
> > [ 1.226603] rtc rtc0: invalid alarm value: 2020-1-27 43:78:0
> >
> > [ 1.232429] rtc-pcf8563 0-0051: rtc core: registered rtc-pcf8563 as
> > rtc0
> >
> > [ 1.240478] i2c /dev entries driver
> >
> > [ 1.246553] usbcore: registered new interface driver bcm203x
> >
> > [ 1.252287] usbcore: registered new interface driver bfusb
> >
> > [ 1.258470] sdhci: Secure Digital Host Controller Interface driver
> >
> > [ 1.264864] sdhci: Copyright(c) Pierre Ossman
> >
> > [ 1.269230] sdhci-pltfm: SDHCI platform and OF driver helper
> >
> > [ 1.276242] mmc0: CQHCI version 5.10
> >
> > [ 1.322912] mmc0: SDHCI controller on 5b010000.usdhc
> > [5b010000.usdhc] using ADMA
> >
> > [ 1.335220] mmc1: CQHCI version 5.10
> >
> > [ 1.382948] mmc1: SDHCI controller on 5b020000.usdhc
> > [5b020000.usdhc] using ADMA
> >
> > [ 1.397991] NET: Registered protocol family 26
> >
> > [ 1.404189] NET: Registered protocol family 10
> >
> > [ 1.413369] Segment Routing with IPv6
> >
> > [ 1.417100] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
> >
> > [ 1.425633] NET: Registered protocol family 17
> >
> > [ 1.430940] Bluetooth: RFCOMM TTY layer initialized
> >
> > [ 1.435870] Bluetooth: RFCOMM socket layer initialized
> >
> > [ 1.441075] Bluetooth: RFCOMM ver 1.11
> >
> > [ 1.444882] usb 1-1: new high-speed USB device number 2 using cdns-usb3
> >
> > [ 1.451643] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
> >
> > [ 1.457000] Bluetooth: BNEP filters: protocol multicast
> >
> > [ 1.462265] Bluetooth: BNEP socket layer initialized
> >
> > [ 1.467278] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
> >
> > [ 1.473243] Bluetooth: HIDP socket layer initialized
> >
> > [ 1.478279] lib80211: common routines for IEEE802.11 drivers
> >
> > [ 1.484016] Key type dns_resolver registered
> >
> > [ 1.488871] registered taskstats version 1
> >
> > [ 1.509815] mmc0: new HS400 MMC card at address 0001
> >
> > [ 1.514393] imx8_cpufreq_init: cluster 0 running at freq 1200 MHz,
> > suspend freq 1200 MHz
> >
> > [ 1.523890] mmcblk0: mmc0:0001 R1J55A 7.28 GiB
> >
> > [ 1.528936] mmcblk0boot0: mmc0:0001 R1J55A partition 1 8.00 MiB
> >
> > [ 1.535352] mmcblk0boot1: mmc0:0001 R1J55A partition 2 8.00 MiB
> >
> > [ 1.541775] mmcblk0rpmb: mmc0:0001 R1J55A partition 3 4.00 MiB
> >
> > [ 1.544156] random: fast init done
> >
> > [ 1.548389] mmc1: new ultra high speed SDR104 SDIO card at address 0001
> >
> > [ 1.557718] rtc-pcf8563 0-0051: setting system clock to 2020-01-27
> > 13:18:11 UTC (1580131091)
> >
> > [ 1.604760] cdc_acm 1-1:1.2: ttyACM0: USB ACM device
> >
> > [ 1.646080] g_ether gadget: high-speed config #1: CDC Ethernet (ECM)
> >
> > [ 242.774888] INFO: task swapper/0:1 blocked for more than 120 seconds.
> >
> > [ 242.781357] Not tainted
> > 4.14.62-imx_4.14.62_1.0.0_beta+g1907fe4 #1
> >
> > [ 242.788074] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> >
> > [ 242.795917] swapper/0 D 0 1 0 0x00000020
> >
> > [ 242.801425] Call trace:
> >
> > [ 242.803897] [<ffff00000808532c>] __switch_to+0x94/0xd8
> >
> > [ 242.809052] [<ffff0000087a989c>] __schedule+0x18c/0x5c0
> >
> > [ 242.814295] [<ffff0000087a9d08>] schedule+0x38/0xa0
> >
> > [ 242.819190] [<ffff00000847b514>] rpm_resume+0xb4/0x5e8
> >
> > [ 242.824348] [<ffff00000847ba98>] __pm_runtime_resume+0x50/0x78
> >
> > [ 242.830194] [<ffff000008537db8>] lpi2c_imx_xfer+0x28/0x580
> >
> > [ 242.835695] [<ffff000008532964>] __i2c_transfer+0x11c/0x260
> >
> > [ 242.841288] [<ffff000008532b08>] i2c_transfer+0x60/0xc8
> >
> > [ 242.846526] [<ffff0000085307dc>] pcf8563_read_block_data+0x5c/0xa0
> >
> > [ 242.852721] [<ffff000008530c04>] pcf8563_clkout_is_prepared+0x1c/0x30
> >
> > [ 242.859175] [<ffff0000083f30d8>] clk_unprepare_unused_subtree+0x58/0x88
> >
> > [ 242.865803] [<ffff0000083f31a4>] clk_disable_unused+0x9c/0x148
> >
> > [ 242.871651] [<ffff000008083490>] do_one_initcall+0x38/0x128
> >
> > [ 242.877239] [<ffff000008a00cf0>] kernel_init_freeable+0x188/0x22c
> >
> > [ 242.883353] [<ffff0000087a8720>] kernel_init+0x10/0x100
> >
> > [ 242.888591] [<ffff0000080846d8>] ret_from_fork+0x10/0x18
> >
> > [ 242.893913] INFO: task kworker/0:0:3 blocked for more than 120 seconds.
> >
> > [ 242.900542] Not tainted
> > 4.14.62-imx_4.14.62_1.0.0_beta+g1907fe4 #1
> >
> > [ 242.907258] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> >
> > [ 242.915101] kworker/0:0 D 0 3 2 0x00000000
> >
> > [ 242.920607] Workqueue: pm pm_runtime_work
> >
> > [ 242.924628] Call trace:
> >
> > [ 242.927085] [<ffff00000808532c>] __switch_to+0x94/0xd8
> >
> > [ 242.932238] [<ffff0000087a989c>] __schedule+0x18c/0x5c0
> >
> > [ 242.937476] [<ffff0000087a9d08>] schedule+0x38/0xa0
> >
> > [ 242.942366] [<ffff0000087aa1e8>] schedule_preempt_disabled+0x20/0x38
> >
> > [ 242.948736] [<ffff0000087aae48>] __mutex_lock.isra.0+0x140/0x530
> >
> > [ 242.954753] [<ffff0000087ab248>] __mutex_lock_slowpath+0x10/0x18
> >
> > [ 242.960774] [<ffff0000087ab280>] mutex_lock+0x30/0x38
> >
> > [ 242.965839] [<ffff0000083f14e0>] clk_prepare_lock+0x40/0xa0
> >
> > [ 242.971424] [<ffff0000083f2ed0>] clk_unprepare+0x20/0x40
> >
> > [ 242.976753] [<ffff0000084583ac>] lpuart_runtime_suspend+0x24/0x48
> >
> > [ 242.982860] [<ffff000008479538>] pm_generic_runtime_suspend+0x28/0x40
> >
> > [ 242.989322] [<ffff000008487b98>] genpd_runtime_suspend+0x88/0x240
> >
> > [ 242.995431] [<ffff00000847bbf0>] __rpm_callback+0xe0/0x268
> >
> > [ 243.000929] [<ffff00000847bd98>] rpm_callback+0x20/0x80
> >
> > [ 243.006166] [<ffff00000847c054>] rpm_suspend+0xf4/0x4b8
> >
> > [ 243.011407] [<ffff00000847c940>] pm_runtime_work+0x78/0xb8
> >
> > [ 243.016906] [<ffff0000080e3614>] process_one_work+0x1d4/0x348
> >
> > [ 243.022663] [<ffff0000080e37d0>] worker_thread+0x48/0x470
> >
> > [ 243.028080] [<ffff0000080e956c>] kthread+0x12c/0x130
> >
> > [ 243.033064] [<ffff0000080846d8>] ret_from_fork+0x10/0x18
> >
> > [ 243.038396] INFO: task kworker/1:0:16 blocked for more than 120
> > seconds.
> >
> > [ 243.045111] Not tainted
> > 4.14.62-imx_4.14.62_1.0.0_beta+g1907fe4 #1
> >
> > [ 243.051823] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> >
> > [ 243.059670] kworker/1:0 D 0 16 2 0x00000000
> >
> > [ 243.065174] Workqueue: events dbs_work_handler
> >
> > [ 243.069631] Call trace:
> >
> > [ 243.072088] [<ffff00000808532c>] __switch_to+0x94/0xd8
> >
> > [ 243.077241] [<ffff0000087a989c>] __schedule+0x18c/0x5c0
> >
> > [ 243.082479] [<ffff0000087a9d08>] schedule+0x38/0xa0
> >
> > [ 243.087371] [<ffff0000087aa1e8>] schedule_preempt_disabled+0x20/0x38
> >
> > [ 243.093739] [<ffff0000087aae48>] __mutex_lock.isra.0+0x140/0x530
> >
> > [ 243.099755] [<ffff0000087ab248>] __mutex_lock_slowpath+0x10/0x18
> >
> > [ 243.105777] [<ffff0000087ab280>] mutex_lock+0x30/0x38
> >
> > [ 243.110842] [<ffff0000083f14e0>] clk_prepare_lock+0x40/0xa0
> >
> > [ 243.116427] [<ffff0000083f2a6c>] clk_core_get_rate+0x14/0x80
> >
> > [ 243.122102] [<ffff0000083f32fc>] clk_get_rate+0x14/0x28
> >
> > [ 243.127341] [<ffff00000855360c>] imx8_set_target+0x94/0xb0
> >
> > [ 243.132840] [<ffff00000854a7f0>] __cpufreq_driver_target+0x158/0x538
> >
> > [ 243.139208] [<ffff00000854ea3c>] od_dbs_update+0xbc/0x1a0
> >
> > [ 243.144620] [<ffff00000855152c>] dbs_work_handler+0x3c/0x70
> >
> > [ 243.150204] [<ffff0000080e3614>] process_one_work+0x1d4/0x348
> >
> > [ 243.155966] [<ffff0000080e37d0>] worker_thread+0x48/0x470
> >
> > [ 243.161379] [<ffff0000080e956c>] kthread+0x12c/0x130
> >
> > [ 243.166359] [<ffff0000080846d8>] ret_from_fork+0x10/0x18
> >
> > [ 243.171692] INFO: task kworker/0:1:32 blocked for more than 120
> > seconds.
> >
> > [ 243.178403] Not tainted
> > 4.14.62-imx_4.14.62_1.0.0_beta+g1907fe4 #1
> >
> > [ 243.185116] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> >
> > [ 243.192962] kworker/0:1 D 0 32 2 0x00000000
> >
> > [ 243.198464] Workqueue: pm pm_runtime_work
> >
> > [ 243.202482] Call trace:
> >
> > [ 243.204946] [<ffff00000808532c>] __switch_to+0x94/0xd8
> >
> > [ 243.210099] [<ffff0000087a989c>] __schedule+0x18c/0x5c0
> >
> > [ 243.215337] [<ffff0000087a9d08>] schedule+0x38/0xa0
> >
> > [ 243.220228] [<ffff0000087aa1e8>] schedule_preempt_disabled+0x20/0x38
> >
> > [ 243.226597] [<ffff0000087aae48>] __mutex_lock.isra.0+0x140/0x530
> >
> > [ 243.232615] [<ffff0000087ab248>] __mutex_lock_slowpath+0x10/0x18
> >
> > [ 243.238634] [<ffff0000087ab280>] mutex_lock+0x30/0x38
> >
> > [ 243.243699] [<ffff0000083f14e0>] clk_prepare_lock+0x40/0xa0
> >
> > [ 243.249286] [<ffff0000083f2ed0>] clk_unprepare+0x20/0x40
> >
> > [ 243.254613] [<ffff0000084583ac>] lpuart_runtime_suspend+0x24/0x48
> >
> > [ 243.260719] [<ffff000008479538>] pm_generic_runtime_suspend+0x28/0x40
> >
> > [ 243.267176] [<ffff000008487b98>] genpd_runtime_suspend+0x88/0x240
> >
> > [ 243.273283] [<ffff00000847bbf0>] __rpm_callback+0xe0/0x268
> >
> > [ 243.278780] [<ffff00000847bd98>] rpm_callback+0x20/0x80
> >
> > [ 243.284020] [<ffff00000847c054>] rpm_suspend+0xf4/0x4b8
> >
> > [ 243.289259] [<ffff00000847c940>] pm_runtime_work+0x78/0xb8
> >
> > [ 243.294760] [<ffff0000080e3614>] process_one_work+0x1d4/0x348
> >
> > [ 243.300526] [<ffff0000080e37d0>] worker_thread+0x48/0x470
> >
> > [ 243.305939] [<ffff0000080e956c>] kthread+0x12c/0x130
> >
> > [ 243.310916] [<ffff0000080846d8>] ret_from_fork+0x10/0x18
> >
> > [ 243.316240] INFO: task kworker/1:1:46 blocked for more than 120
> > seconds.
> >
> > [ 243.322952] Not tainted
> > 4.14.62-imx_4.14.62_1.0.0_beta+g1907fe4 #1
> >
> > [ 243.329667] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
> > disables this message.
> >
> > [ 243.337513] kworker/1:1 D 0 46 2 0x00000000
> >
> > [ 243.343017] Workqueue: events_freezable mmc_rescan
> >
> > [ 243.347824] Call trace:
> >
> > [ 243.350278] [<ffff00000808532c>] __switch_to+0x94/0xd8
> >
> > [ 243.355431] [<ffff0000087a989c>] __schedule+0x18c/0x5c0
> >
> > [ 243.360670] [<ffff0000087a9d08>] schedule+0x38/0xa0
> >
> > [ 243.365561] [<ffff0000080f3f78>] io_schedule+0x18/0x38
> >
> > [ 243.370715] [<ffff000008182528>] wait_on_page_bit+0xf0/0x120
> >
> > [ 243.376396] [<ffff000008183280>] do_read_cache_page+0x208/0x360
> >
> > [ 243.382327] [<ffff0000081833e8>] read_cache_page+0x10/0x18
> >
> > [ 243.387828] [<ffff00000839d87c>] read_dev_sector+0x34/0xb0
> >
> > [ 243.393326] [<ffff0000083a0638>] read_lba.isra.1+0xf8/0x1b8
> >
> > [ 243.398911] [<ffff0000083a0a08>] efi_partition+0xa8/0x5a8
> >
> > [ 243.404322] [<ffff00000839f798>] check_partition+0x100/0x250
> >
> > [ 243.409998] [<ffff00000839df38>] rescan_partitions+0xc8/0x388
> >
> > [ 243.415761] [<ffff00000823fd74>] __blkdev_get+0x294/0x400
> >
> > [ 243.421182] [<ffff000008240280>] blkdev_get+0x130/0x360
> >
> > [ 243.426427] [<ffff00000839c7f8>] __device_add_disk+0x400/0x450
> >
> > [ 243.432282] [<ffff00000839c858>] device_add_disk+0x10/0x18
> >
> > [ 243.437780] [<ffff0000085681f8>] mmc_add_disk+0x28/0xf8
> >
> > [ 243.443019] [<ffff00000856abb8>] mmc_blk_probe+0x2e0/0x480
> >
> > [ 243.448517] [<ffff00000855a88c>] mmc_bus_probe+0x1c/0x28
> >
> > [ 243.453844] [<ffff000008470638>] driver_probe_device+0x210/0x2d0
> >
> > [ 243.459863] [<ffff000008470854>] __device_attach_driver+0x9c/0xf8
> >
> > [ 243.465970] [<ffff00000846e854>] bus_for_each_drv+0x4c/0x98
> >
> > [ 243.471556] [<ffff0000084702f8>] __device_attach+0xc0/0x138
> >
> > [ 243.477142] [<ffff000008470910>] device_initial_probe+0x10/0x18
> >
> > [ 243.483074] [<ffff00000846f7b4>] bus_probe_device+0x94/0xa0
> >
> > [ 243.488664] [<ffff00000846d798>] device_add+0x398/0x5a0
> >
> > [ 243.493901] [<ffff00000855ae7c>] mmc_add_card+0x1b4/0x310
> >
> > [ 243.499312] [<ffff00000855e870>] mmc_attach_mmc+0xa8/0x150
> >
> > [ 243.504811] [<ffff00000855a4d8>] mmc_rescan+0x2e8/0x388
> >
> > [ 243.510051] [<ffff0000080e3614>] process_one_work+0x1d4/0x348
> >
> > [ 243.51580
> >
> >> Mark Asselstine
> >>
> >>> Thanks and Regards
> >>> Sheraz Ali Shah
> >>
> >>
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