Hi Simon-san,
> From: Simon Horman
> Sent: Monday, May 30, 2016 10:23 AM
>
> On Thu, May 26, 2016 at 11:46:36AM +0900, Simon Horman wrote:
> > On Tue, May 24, 2016 at 07:34:14PM +0900, Yoshihiro Shimoda wrote:
> > > This patch is based on the renesas-drivers / renesas-drivers-2016-05-17-v4.6 tag.
> >
> > Thanks, I have queued this up for v4.8.
> > Please let me know if that was not your intention.
>
> Hi Shimoda-san,
>
> unfortunately I have observed a problem with patch 3/4 ("arm64: dts:
> salvator-x: enable USB 2.0 Host channel 0") after rebasing the
> arm64-dt-for-v4.8 branch of the renesas tree on v4.7-rc1.
>
> The problem I see occurs when booting using "defconfig" to an NFS-root
> Debian user-space as per the boot log below. It appears to be readily
> reproducible in my environment.
Thank you for the report!
I also reproduced this issue if I set the SW15 to pin 1-2 side on the board (this is the default setting).
(My environment is NFS-rootfs and Yocto user-space.)
If I set the SW15 to pin 2-3 side (as the commit log mentioned), this issue disappeared.
Anyway, I will investigate this issue later.
> As the problem prevents the system booting to user-space using the defconfig
> I have dropped this series pending a resolution.
I got it.
Best regards,
Yoshihiro Shimoda
> [ 0.000000] Booting Linux on physical CPU 0x0
> [ 0.000000] Linux version 4.7.0-rc1+ (horms@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx) (gcc version 4.8.5 (Linaro GCC
> 4.8-2015.06) ) #161 SMP PREEMPT Mon May 30 10:08:57 JST 2016
> [ 0.000000] Boot CPU: AArch64 Processor [411fd073]
> [ 0.000000] debug: ignoring loglevel setting.
> [ 0.000000] efi: Getting EFI parameters from FDT:
> [ 0.000000] efi: UEFI not found.
> [ 0.000000] cma: Reserved 16 MiB at 0x000000007f000000
> [ 0.000000] On node 0 totalpages: 229376
> [ 0.000000] DMA zone: 3584 pages used for memmap
> [ 0.000000] DMA zone: 0 pages reserved
> [ 0.000000] DMA zone: 229376 pages, LIFO batch:31
> [ 0.000000] psci: probing for conduit method from DT.
> [ 0.000000] psci: PSCIv1.0 detected in firmware.
> [ 0.000000] psci: Using standard PSCI v0.2 function IDs
> [ 0.000000] psci: Trusted OS migration not required
> [ 0.000000] percpu: Embedded 20 pages/cpu @ffff80003ef79000 s42752 r8192 d30976 u81920
> [ 0.000000] pcpu-alloc: s42752 r8192 d30976 u81920 alloc=20*4096
> [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3
> [ 0.000000] Detected PIPT I-cache on CPU0
> [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 225792
> [ 0.000000] Kernel command line: ignore_loglevel rw root=/dev/nfs ip=dhcp nfsroot=10.3.3.135:/srv/nfs/salvator-x-arm64
> [ 0.000000] log_buf_len individual max cpu contribution: 4096 bytes
> [ 0.000000] log_buf_len total cpu_extra contributions: 12288 bytes
> [ 0.000000] log_buf_len min size: 16384 bytes
> [ 0.000000] log_buf_len: 32768 bytes
> [ 0.000000] early log buf free: 14796(90%)
> [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes)
> [ 0.000000] Dentry cache hash table entries: 131072 (order: 8, 1048576 bytes)
> [ 0.000000] Inode-cache hash table entries: 65536 (order: 7, 524288 bytes)
> [ 0.000000] software IO TLB [mem 0x79c00000-0x7dc00000] (64MB) mapped at [ffff800039c00000-ffff80003dbfffff]
> [ 0.000000] Memory: 804172K/917504K available (7372K kernel code, 642K rwdata, 3184K rodata, 960K init, 259K bss, 96948K
> reserved, 16384K 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 - 0xffff0000087b0000 ( 7360 KB)
> [ 0.000000] .rodata : 0xffff0000087b0000 - 0xffff000008ad0000 ( 3200 KB)
> [ 0.000000] .init : 0xffff000008ad0000 - 0xffff000008bc0000 ( 960 KB)
> [ 0.000000] .data : 0xffff000008bc0000 - 0xffff000008c60a00 ( 643 KB)
> [ 0.000000] .bss : 0xffff000008c60a00 - 0xffff000008ca19b0 ( 260 KB)
> [ 0.000000] fixed : 0xffff7dfffe7fd000 - 0xffff7dfffec00000 ( 4108 KB)
> [ 0.000000] PCI I/O : 0xffff7dfffee00000 - 0xffff7dffffe00000 ( 16 MB)
> [ 0.000000] vmemmap : 0xffff7e0000000000 - 0xffff800000000000 ( 2048 GB maximum)
> [ 0.000000] 0xffff7e0000200000 - 0xffff7e0001000000 ( 14 MB actual)
> [ 0.000000] memory : 0xffff800008000000 - 0xffff800040000000 ( 896 MB)
> [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
> [ 0.000000] Preemptible hierarchical RCU implementation.
> [ 0.000000] Build-time adjustment of leaf fanout to 64.
> [ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=4.
> [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=4
> [ 0.000000] NR_IRQS:64 nr_irqs:64 0
> [ 0.000000] Architected cp15 timer(s) running at 8.33MHz (virt).
> [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1ec02923e, max_idle_ns: 440795202125
> ns
> [ 0.000003] sched_clock: 56 bits at 8MHz, resolution 120ns, wraps every 2199023255496ns
> [ 0.000162] Console: colour dummy device 80x25
> [ 0.000500] console [tty0] enabled
> [ 0.000526] Calibrating delay loop (skipped), value calculated using timer frequency.. 16.66 BogoMIPS (lpj=33333)
> [ 0.000543] pid_max: default: 32768 minimum: 301
> [ 0.000599] Security Framework initialized
> [ 0.000633] Mount-cache hash table entries: 2048 (order: 2, 16384 bytes)
> [ 0.000643] Mountpoint-cache hash table entries: 2048 (order: 2, 16384 bytes)
> [ 0.001391] ASID allocator initialised with 65536 entries
> [ 0.020598] EFI services will not be available.
> [ 0.044220] Detected PIPT I-cache on CPU1
> [ 0.044273] CPU1: Booted secondary processor [411fd073]
> [ 0.060210] Detected PIPT I-cache on CPU2
> [ 0.060231] CPU2: Booted secondary processor [411fd073]
> [ 0.076218] Detected PIPT I-cache on CPU3
> [ 0.076238] CPU3: Booted secondary processor [411fd073]
> [ 0.076275] Brought up 4 CPUs
> [ 0.076324] SMP: Total of 4 processors activated.
> [ 0.076336] CPU features: detected feature: 32-bit EL0 Support
> [ 0.076347] CPU: All CPU(s) started at EL1
> [ 0.077233] devtmpfs: initialized
> [ 0.080201] DMI not present or invalid.
> [ 0.080376] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
> [ 0.080717] pinctrl core: initialized pinctrl subsystem
> [ 0.081638] NET: Registered protocol family 16
> [ 0.092136] cpuidle: using governor menu
> [ 0.092252] vdso: 2 pages (1 code @ ffff0000087b6000, 1 data @ ffff000008bc4000)
> [ 0.092280] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
> [ 0.092906] DMA: preallocated 256 KiB pool for atomic allocations
> [ 0.093066] Serial: AMBA PL011 UART driver
> [ 0.095910] sh-pfc e6060000.pfc: r8a77950_pfc support registered
> [ 0.096130] renesas_irqc e61c0000.interrupt-controller: failed to add to PM domain always-on: -517
> [ 0.124739] HugeTLB registered 2 MB page size, pre-allocated 0 pages
> [ 0.125565] ACPI: Interpreter disabled.
> [ 0.126257] vgaarb: loaded
> [ 0.126446] SCSI subsystem initialized
> [ 0.126556] libata version 3.00 loaded.
> [ 0.126756] usbcore: registered new interface driver usbfs
> [ 0.126797] usbcore: registered new interface driver hub
> [ 0.126841] usbcore: registered new device driver usb
> [ 0.127189] pps_core: LinuxPPS API ver. 1 registered
> [ 0.127203] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@xxxxxxxx>
> [ 0.127227] PTP clock support registered
> [ 0.127327] dmi: Firmware registration failed.
> [ 0.128590] Advanced Linux Sound Architecture Driver Initialized.
> [ 0.129212] clocksource: Switched to clocksource arch_sys_counter
> [ 0.129328] VFS: Disk quotas dquot_6.6.0
> [ 0.129375] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
> [ 0.129559] pnp: PnP ACPI: disabled
> [ 0.134027] NET: Registered protocol family 2
> [ 0.134468] TCP established hash table entries: 8192 (order: 4, 65536 bytes)
> [ 0.134508] TCP bind hash table entries: 8192 (order: 5, 131072 bytes)
> [ 0.134603] TCP: Hash tables configured (established 8192 bind 8192)
> [ 0.134699] UDP hash table entries: 512 (order: 2, 16384 bytes)
> [ 0.134718] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
> [ 0.134824] NET: Registered protocol family 1
> [ 0.135023] RPC: Registered named UNIX socket transport module.
> [ 0.135035] RPC: Registered udp transport module.
> [ 0.135043] RPC: Registered tcp transport module.
> [ 0.135051] RPC: Registered tcp NFSv4.1 backchannel transport module.
> [ 0.135065] PCI: CLS 0 bytes, default 128
> [ 0.135517] hw perfevents: enabled with armv8_cortex_a57 PMU driver, 7 counters available
> [ 0.135715] kvm [1]: HYP mode not available
> [ 0.137311] futex hash table entries: 1024 (order: 5, 131072 bytes)
> [ 0.137420] audit: initializing netlink subsys (disabled)
> [ 0.137472] audit: type=2000 audit(0.135:1): initialized
> [ 0.137905] workingset: timestamp_bits=44 max_order=18 bucket_order=0
> [ 0.143669] squashfs: version 4.0 (2009/01/31) Phillip Lougher
> [ 0.144276] NFS: Registering the id_resolver key type
> [ 0.144319] Key type id_resolver registered
> [ 0.144327] Key type id_legacy registered
> [ 0.144486] fuse init (API version 7.24)
> [ 0.144791] 9p: Installing v9fs 9p2000 file system support
> [ 0.146335] io scheduler noop registered
> [ 0.146468] io scheduler cfq registered (default)
> [ 0.149759] gpio_rcar e6050000.gpio: driving 16 GPIOs
> [ 0.150111] gpio_rcar e6051000.gpio: driving 28 GPIOs
> [ 0.150372] gpio_rcar e6052000.gpio: driving 15 GPIOs
> [ 0.150613] gpio_rcar e6053000.gpio: driving 16 GPIOs
> [ 0.150860] gpio_rcar e6054000.gpio: driving 18 GPIOs
> [ 0.151130] gpio_rcar e6055000.gpio: driving 26 GPIOs
> [ 0.151405] gpio_rcar e6055400.gpio: driving 32 GPIOs
> [ 0.151617] gpio_rcar e6055800.gpio: driving 4 GPIOs
> [ 0.152159] PCI host bridge /soc/pcie@fe000000 ranges:
> [ 0.152189] IO 0xfe100000..0xfe1fffff -> 0x00000000
> [ 0.152205] MEM 0xfe200000..0xfe3fffff -> 0xfe200000
> [ 0.152217] MEM 0x30000000..0x37ffffff -> 0x30000000
> [ 0.152227] MEM 0x38000000..0x3fffffff -> 0x38000000
> [ 0.269217] rcar-pcie fe000000.pcie: PCIe link down
> [ 0.269332] PCI host bridge /soc/pcie@ee800000 ranges:
> [ 0.269354] IO 0xee900000..0xee9fffff -> 0x00000000
> [ 0.269368] MEM 0xeea00000..0xeebfffff -> 0xeea00000
> [ 0.269380] MEM 0xc0000000..0xc7ffffff -> 0xc0000000
> [ 0.269390] MEM 0xc8000000..0xcfffffff -> 0xc8000000
> [ 0.389211] rcar-pcie ee800000.pcie: PCIe link down
> [ 0.399210] xenfs: not registering filesystem on non-xen platform
> [ 0.401344] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
> [ 0.402593] SuperH (H)SCI(F) driver initialized
> [ 0.403028] e6e68000.serial: ttySC1 at MMIO 0xe6e68000 (irq = 134, base_baud = 0) is a scif
> [ 0.403430] e6e88000.serial: ttySC0 at MMIO 0xe6e88000 (irq = 135, base_baud = 0) is a scif
> [ 1.268247] console [ttySC0] enabled
> [ 1.272313] msm_serial: driver initialized
> [ 1.280657] loop: module loaded
> [ 1.285441] scsi host0: sata_rcar
> [ 1.288932] ata1: SATA max UDMA/133 irq 137
> [ 1.293999] tun: Universal TUN/TAP device driver, 1.6
> [ 1.299093] tun: (C) 1999-2004 Max Krasnyansky <maxk@xxxxxxxxxxxx>
> [ 1.305592] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
> [ 1.311471] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
> [ 1.317443] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.3.0-k
> [ 1.324412] igb: Copyright (c) 2007-2014 Intel Corporation.
> [ 1.330025] igbvf: Intel(R) Gigabit Virtual Function Network Driver - version 2.0.2-k
> [ 1.337866] igbvf: Copyright (c) 2009 - 2012 Intel Corporation.
> [ 1.343823] sky2: driver version 1.30
> [ 1.348151] libphy: ravb_mii: probed
> [ 1.352632] ravb e6800000.ethernet eth0: Base address at 0xe6800000, 2e:09:0a:00:83:92, IRQ 131.
> [ 1.361787] VFIO - User Level meta-driver version: 0.3
> [ 1.367651] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> [ 1.374216] ehci-pci: EHCI PCI platform driver
> [ 1.378701] ehci-platform: EHCI generic platform driver
> [ 1.384259] ehci-platform ee0a0100.usb: EHCI Host Controller
> [ 1.389955] ehci-platform ee0a0100.usb: new USB bus registered, assigned bus number 1
> [ 1.397985] ehci-platform ee0a0100.usb: irq 144, io mem 0xee0a0100
> [ 1.413222] ehci-platform ee0a0100.usb: USB 2.0 started, EHCI 1.10
> [ 1.419856] hub 1-0:1.0: USB hub found
> [ 1.423632] hub 1-0:1.0: 1 port detected
> [ 1.427848] ehci-platform ee0c0100.usb: EHCI Host Controller
> [ 1.433529] ehci-platform ee0c0100.usb: new USB bus registered, assigned bus number 2
> [ 1.441486] ehci-platform ee0c0100.usb: irq 145, io mem 0xee0c0100
> [ 1.457217] ehci-platform ee0c0100.usb: USB 2.0 started, EHCI 1.10
> [ 1.463725] hub 2-0:1.0: USB hub found
> [ 1.467492] hub 2-0:1.0: 1 port detected
> [ 1.471608] ehci-msm: Qualcomm On-Chip EHCI Host Controller
> [ 1.477294] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
> [ 1.483492] ohci-pci: OHCI PCI platform driver
> [ 1.487984] ohci-platform: OHCI generic platform driver
> [ 1.493395] ohci-platform ee0a0000.usb: Generic Platform OHCI controller
> [ 1.500113] ohci-platform ee0a0000.usb: new USB bus registered, assigned bus number 3
> [ 1.508029] ohci-platform ee0a0000.usb: irq 144, io mem 0xee0a0000
> [ 1.599661] hub 3-0:1.0: USB hub found
> [ 1.603431] hub 3-0:1.0: 1 port detected
> [ 1.607570] ohci-platform ee0c0000.usb: Generic Platform OHCI controller
> [ 1.614289] ohci-platform ee0c0000.usb: new USB bus registered, assigned bus number 4
> [ 1.622195] ohci-platform ee0c0000.usb: irq 145, io mem 0xee0c0000
> [ 1.701214] ata1: link resume succeeded after 1 retries
> [ 1.711542] hub 4-0:1.0: USB hub found
> [ 1.715309] hub 4-0:1.0: 1 port detected
> [ 1.719514] usbcore: registered new interface driver usb-storage
> [ 1.726259] mousedev: PS/2 mouse device common for all mice
> [ 1.732326] i2c /dev entries driver
> [ 1.736934] i2c-rcar e6510000.i2c: probed
> [ 1.741990] sdhci: Secure Digital Host Controller Interface driver
> [ 1.748182] sdhci: Copyright(c) Pierre Ossman
> [ 1.752562] Synopsys Designware Multimedia Card Interface Driver
> [ 1.758859] sdhci-pltfm: SDHCI platform and OF driver helper
> [ 1.764886] ledtrig-cpu: registered to indicate activity on CPUs
> [ 1.771349] usbcore: registered new interface driver usbhid
> [ 1.776931] usbhid: USB HID core driver
> [ 1.786075] cs2000-cp 2-004f: revision - C1
> [ 1.791318] ak4613-codec 2-0010: No cache used with register defaults set!
> [ 1.802742] rcar_sound ec500000.sound: probed
> [ 1.807384] NET: Registered protocol family 17
> [ 1.811933] 9pnet: Installing 9P2000 support
> [ 1.812641] ata1: SATA link down (SStatus 0 SControl 300)
> [ 1.821686] Key type dns_resolver registered
> [ 1.826430] registered taskstats version 1
> [ 1.830955] renesas_irqc e61c0000.interrupt-controller: driving 6 irqs
> [ 1.838965] ehci-platform ee080100.usb: EHCI Host Controller
> [ 1.844678] ehci-platform ee080100.usb: new USB bus registered, assigned bus number 5
> [ 1.852737] ehci-platform ee080100.usb: irq 143, io mem 0xee080100
> [ 1.869225] ehci-platform ee080100.usb: USB 2.0 started, EHCI 1.10
> [ 1.875924] hub 5-0:1.0: USB hub found
> [ 1.879737] hub 5-0:1.0: 1 port detected
> [ 1.884365] ohci-platform ee080000.usb: Generic Platform OHCI controller
> [ 1.891140] ohci-platform ee080000.usb: new USB bus registered, assigned bus number 6
> [ 1.899193] ohci-platform ee080000.usb: irq 143, io mem 0xee080000
> [ 1.991820] hub 6-0:1.0: USB hub found
> [ 1.995649] hub 6-0:1.0: 1 port detected
> [ 2.000832] asoc-simple-card sound: ak4613-hifi <-> ec500000.sound mapping ok
> [ 2.013932] hctosys: unable to open rtc device (rtc0)
> [ 2.089368] ravb e6800000.ethernet eth0: limited PHY to 100Mbit/s
> [ 2.095566] Micrel KSZ9031 Gigabit PHY e6800000.etherne:00: attached PHY driver [Micrel KSZ9031 Gigabit PHY]
> (mii_bus:phy_addr=e6800000.etherne:00, irq=208)
> [ 4.643242] ravb e6800000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off
> [ 4.665226] Sending DHCP requests .
> [ 4.670246] ravb e6800000.ethernet eth0: Link is Down
> [ 7.049220] .
> [ 7.210860] ravb e6800000.ethernet eth0: Link is Up - 100Mbps/Full - flow control off
> [ 8.090016] random: nonblocking pool is initialized
> [ 11.221213] ., OK
> [ 12.313237] IP-Config: Got DHCP answer from 10.3.3.2, my address is 10.3.3.70
> [ 12.320632] IP-Config: Complete:
> [ 12.323917] device=eth0, hwaddr=2e:09:0a:00:83:92, ipaddr=10.3.3.70, mask=255.255.255.0, gw=10.3.3.2
> [ 12.333515] host=10.3.3.70, domain=isobedori.kobe.vergenet.net kanocho.kobe.vergenet.net vergenet.,
> nis-domain=(none)
> [ 12.344569] bootserver=0.0.0.0, rootserver=10.3.3.135, rootpath= nameserver0=10.3.3.2, nameserver1=8.8.8.8
> [ 12.355073] SDHI0 Vcc: disabling
> [ 12.358311] SDHI3 Vcc: disabling
> [ 12.361895] ALSA device list:
> [ 12.364862] #0: rsnd-dai.0-ak4613-hifi
> [ 12.372869] VFS: Mounted root (nfs filesystem) on device 0:15.
> [ 12.379011] devtmpfs: mounted
> [ 12.382755] Freeing unused kernel memory: 960K (ffff800008ad0000 - ffff800008bc0000)
> [ 12.790713] systemd[1]: Failed to set the kernel's timezone, ignoring: Invalid argument
> [ 12.829873] systemd[1]: systemd 215 running in system mode. (+PAM +AUDIT +SELINUX +IMA +SYSVINIT +LIBCRYPTSETUP +GCRYPT
> +ACL +XZ -SECCOMP -APPARMOR)
> [ 12.843536] systemd[1]: Detected architecture 'arm64'.
>
> Welcome to Debian GNU/Linux 8 (jessie)!
>
> [ 12.863659] systemd[1]: Failed to insert module 'ipv6'
> [ 12.875770] systemd[1]: Set hostname to <Debian>.
> [ 13.116303] systemd[1]: Cannot add dependency job for unit dbus.socket, ignoring: Unit dbus.socket failed to load:
> No such file or directory.
> [ 13.129178] systemd[1]: Cannot add dependency job for unit display-manager.service, ignoring: Unit
> display-manager.service failed to load: No such file or directory.
> [ 13.145888] systemd[1]: Expecting device dev-ttySC0.device...
> Expecting device dev-ttySC0.device...
> [ 13.161320] systemd[1]: Starting Forward Password Requests to Wall Directory Watch.
> [ 13.169165] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
> [ 13.176849] systemd[1]: Starting Remote File Systems (Pre).
> [ OK ] Reached target Remote File Systems (Pre).
> [ 13.193270] systemd[1]: Reached target Remote File Systems (Pre).
> [ 13.199488] systemd[1]: Starting Dispatch Password Requests to Console Directory Watch.
> [ 13.207672] systemd[1]: Started Dispatch Password Requests to Console Directory Watch.
> [ 13.215665] systemd[1]: Starting Paths.
> [ OK ] Reached target Paths.
> [ 13.229265] systemd[1]: Reached target Paths.
> [ 13.233735] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
> [ 13.243206] systemd[1]: Starting Encrypted Volumes.
> [ OK ] Reached target Encrypted Volumes.
> [ 13.257266] systemd[1]: Reached target Encrypted Volumes.
> [ 13.262733] systemd[1]: Starting Swap.
> [ OK ] Reached target Swap.
> [ 13.273250] systemd[1]: Reached target Swap.
> [ 13.277607] systemd[1]: Starting Root Slice.
> [ OK ] Created slice Root Slice.
> [ 13.289264] systemd[1]: Created slice Root Slice.
> [ 13.294053] systemd[1]: Starting User and Session Slice.
> [ OK ] Created slice User and Session Slice.
> [ 13.309259] systemd[1]: Created slice User and Session Slice.
> [ 13.315063] systemd[1]: Starting Delayed Shutdown Socket.
> [ OK ] Listening on Delayed Shutdown Socket.
> [ 13.329275] systemd[1]: Listening on Delayed Shutdown Socket.
> [ 13.335154] systemd[1]: Starting /dev/initctl Compatibility Named Pipe.
> [ OK ] Listening on /dev/initctl Compatibility Named Pipe.
> [ 13.353282] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
> [ 13.360319] systemd[1]: Starting Journal Socket (/dev/log).
> [ OK ] Listening on Journal Socket (/dev/log).
> [ 13.377273] systemd[1]: Listening on Journal Socket (/dev/log).
> [ 13.383296] systemd[1]: Starting udev Control Socket.
> [ OK ] Listening on udev Control Socket.
> [ 13.397275] systemd[1]: Listening on udev Control Socket.
> [ 13.402780] systemd[1]: Starting udev Kernel Socket.
> [ OK ] Listening on udev Kernel Socket.
> [ 13.417282] systemd[1]: Listening on udev Kernel Socket.
> [ 13.422700] systemd[1]: Starting Journal Socket.
> [ OK ] Listening on Journal Socket.
> [ 13.437279] systemd[1]: Listening on Journal Socket.
> [ 13.442364] systemd[1]: Starting Sockets.
> [ OK ] Reached target Sockets.
> [ 13.457272] systemd[1]: Reached target Sockets.
> [ 13.461877] systemd[1]: Starting System Slice.
> [ OK ] Created slice System Slice.
> [ 13.477284] systemd[1]: Created slice System Slice.
> [ 13.482283] systemd[1]: Starting system-getty.slice.
> [ OK ] Created slice system-getty.slice.
> [ 13.497275] systemd[1]: Created slice system-getty.slice.
> [ 13.502745] systemd[1]: Starting system-serial\x2dgetty.slice.
> [ OK ] Created slice system-serial\x2dgetty.slice.
> [ 13.517278] systemd[1]: Created slice system-serial\x2dgetty.slice.
> [ 13.523975] systemd[1]: Mounting Debug File System...
> Mounting Debug File System...
> [ 13.555894] systemd[1]: Started Set Up Additional Binary Formats.
> [ 13.562185] systemd[1]: Started Create list of required static device nodes for the current kernel.
> [ 13.571527] systemd[1]: Starting Create Static Device Nodes in /dev...
> Starting Create Static Device Nodes in /dev...
> [ 13.591444] systemd[1]: Starting udev Coldplug all Devices...
> Starting udev Coldplug all Devices...
> [ 13.620715] systemd[1]: Starting Load Kernel Modules...
> Starting Load Kernel Modules...
> [ 13.645889] systemd[1]: Mounting POSIX Message Queue File System...
> Mounting POSIX Message Queue File System...
> [ 13.663576] systemd[1]: Mounting Huge Pages File System...
> Mounting Huge Pages File System...
> [ 13.679517] systemd[1]: Starting Journal Service...
> Starting Journal Service...
> [ OK ] Started Journal Service.
> [ 13.705397] systemd[1]: Started Journal Service.
> [ OK ] Reached target Slices.
> Starting Remount Root and Kernel File Systems...
> [ OK ] Mounted Huge Pages File System.
> [ OK ] Mounted POSIX Message Queue File System.
> [ OK ] Mounted Debug File System.
> [ OK ] Started Create Static Device Nodes in /dev.
> [ 13.806015] BUG: scheduling while atomic: kworker/u8:2/37/0x00010102
> [ 13.812393] Modules linked in:
> [ 13.815463] CPU: 0 PID: 37 Comm: kworker/u8:2 Not tainted 4.7.0-rc1+ #161
> [ 13.822251] Hardware name: Renesas Salvator-X board based on r8a7795 (DT)
> [ 13.829060] Workqueue: events_unbound call_usermodehelper_exec_work
> [ 13.835335] Call trace:
> [ 13.837787] [<ffff000008088864>] dump_backtrace+0x0/0x1ac
> [ 13.843187] [<ffff000008088a24>] show_stack+0x14/0x1c
> [ 13.848246] [<ffff0000083361f4>] dump_stack+0x8c/0xb0
> [ 13.853307] [<ffff00000814d0d4>] __schedule_bug+0x40/0x58
> [ 13.858713] [<ffff00000879a9bc>] __schedule+0x46c/0x568
> [ 13.863936] [<ffff00000879aaf4>] schedule+0x3c/0xa0
> [ 13.868814] [<ffff00000879aec8>] schedule_preempt_disabled+0x20/0x38
> [ 13.875174] [<ffff0000080ee514>] mutex_optimistic_spin+0x174/0x1b0
> [ 13.881355] [<ffff00000879c4e8>] __mutex_lock_slowpath+0x38/0x148
> [ 13.887446] [<ffff00000879c63c>] mutex_lock+0x44/0x48
> [ 13.892501] [<ffff00000833a054>] kobject_uevent_env+0x244/0x510
> [ 13.898427] [<ffff000008687df8>] extcon_update_state+0x1d4/0x2a8
> [ 13.904432] [<ffff000008687f64>] extcon_set_cable_state_+0x70/0x80
> [ 13.910624] [<ffff000008363594>] rcar_gen3_device_recognition+0xc4/0xe0
> [ 13.917239] [<ffff0000083636e0>] rcar_gen3_phy_usb2_irq+0x38/0x44
> [ 13.923334] [<ffff0000080f6b9c>] handle_irq_event_percpu+0x60/0x140
> [ 13.929599] [<ffff0000080f6cc0>] handle_irq_event+0x44/0x74
> [ 13.935174] [<ffff0000080fa0d0>] handle_fasteoi_irq+0xb4/0x184
> [ 13.941005] [<ffff0000080f6124>] generic_handle_irq+0x24/0x38
> [ 13.946750] [<ffff0000080f6460>] __handle_domain_irq+0x64/0xb0
> [ 13.952582] [<ffff00000808153c>] gic_handle_irq+0x5c/0xb4
> [ 13.957979] Exception stack(0xffff80003ef7cca0 to 0xffff80003ef7cdc0)
> [ 13.964420] cca0: ffff80003ef7ccd0 ffff800039095000 ffff80003ef7cdf0 ffff000008561ed8
> [ 13.972253] ccc0: 0000000040000145 0000000000000014 0000000000000040 0000000000000000
> [ 13.980084] cce0: 0000000000000001 ffff000008357584 0000000077ddd380 0000000000000000
> [ 13.987916] cd00: 0000000000040000 ffff800037c6b290 ffff80003ef823e8 ffff0000080932b0
> [ 13.995747] cd20: 0000000000000000 0000000000000000 0000000000000087 0000000000000000
> [ 14.003578] cd40: 000000000a030387 0000000000000000 0000000000000000 0000000000000001
> [ 14.011409] cd60: ffff0000088ad5e0 ffff800039095000 ffff800039095000 ffff00000802c37c
> [ 14.019240] cd80: 000000000000003f ffff000008d8a000 0000000000000014 ffff800038807f00
> [ 14.027071] cda0: 0000000000000602 ffff800039095800 ffff800039095000 ffff80003ef7cdf0
> [ 14.034905] [<ffff000008084720>] el1_irq+0xa0/0x10c
> [ 14.039788] [<ffff0000086dcd0c>] net_rx_action+0x130/0x2cc
> [ 14.045277] [<ffff0000080bc454>] __do_softirq+0x10c/0x210
> [ 14.050675] [<ffff0000080bc7a4>] irq_exit+0x8c/0xcc
> [ 14.055552] [<ffff0000080f6464>] __handle_domain_irq+0x68/0xb0
> [ 14.061383] [<ffff00000808153c>] gic_handle_irq+0x5c/0xb4
> [ 14.066780] Exception stack(0xffff80003ef7d050 to 0xffff80003ef7d170)
> [ 14.073218] d040: ffff800039a9fb70 ffff80003efbe380
> [ 14.081049] d060: ffff800039a9fc90 ffff00000879e310 0000000060000145 ffff800038816e80
> [ 14.088880] d080: ffff800039a9fc90 ffff800039a9fb70 0000000000000000 0000000000000000
> [ 14.096711] d0a0: ffff80003911c750 0000000000000000 0000000000000000 0000000000000000
> [ 14.104542] d0c0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> [ 14.112373] d0e0: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> [ 14.120203] d100: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> [ 14.128034] d120: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> [ 14.135865] d140: 0000000000000000 0000000000000000 0000000000000000 0000000000000000
> [ 14.143696] d160: 0000000000000000 0000000000000000
> [ 14.148573] [<ffff000008084720>] el1_irq+0xa0/0x10c
> [ 14.153454] [<ffff00000879e310>] _raw_spin_unlock_irqrestore+0x18/0x40
> [ 14.159983] [<ffff0000080db2e0>] wake_up_new_task+0x10c/0x150
> [ 14.165729] [<ffff0000080b7220>] _do_fork+0x138/0x338
> [ 14.170778] [<ffff0000080b746c>] kernel_thread+0x34/0x3c
> [ 14.176091] [<ffff0000080caeb0>] call_usermodehelper_exec_work+0x2c/0xd8
> [ 14.182792] [<ffff0000080cda2c>] process_one_work+0x130/0x2e8
> [ 14.188535] [<ffff0000080cdc3c>] worker_thread+0x58/0x438
> [ 14.193936] [<ffff0000080d34b8>] kthread+0xd4/0xe8
> [ 14.198726] [<ffff000008084e10>] ret_from_fork+0x10/0x40
> [ 14.204075] Unable to handle kernel NULL pointer dereference at virtual address 0000083c
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