Re: Can't boot kernel v4.0-rc2 on Koelsch

[Simon Horman <horms@verge.net.au>]

Hi Hiep-san,

I'd like to agree with Laurent's observation that this appears
to mean that your userspace is broken / needs updating. The boards
in question boot to userspace in my environment.

On Mon, Mar 09, 2015 at 06:43:54PM +0900, Cao Minh Hiep wrote:
> Hi Laurent-san,
> Thanks for your comment,
> 
> On 2015年03月09日 16:06, Laurent Pinchart wrote:
> >Hello Hiep-san,
> >
> >On Monday 09 March 2015 10:07:04 Cao Minh Hiep wrote:
> >>Hi Laurent-san
> >>
> >>I am Hiep from Jinzai Solution.
> >>I'm sorry to bother you again!
> >No worries.
> >
> >>We are testing the linux ver v4.0-rc2 on Koelsch, We can not boot the
> >>kernel v4.0-rc2 on Koelsch,
> >>Then we found a patch has changed as below:
> >>"1f75cda ARM: shmobile: koelsch: Rename SCIF[01] serial ports to ttySC[01]"
> >>
> >>Please see it when you have time!
> >Could you please detail your boot failure ? You might need to change your
> >/etc/inittab to adjust to the serial port new name, but apart from that there
> >shouldn't be any issue. I can boot my Koelsch board on 4.0-v2.
> Sure, I use the rootfs of Linaro-nano 2014.09 to test v4.0-rc2.
> When booting kernel with default config, bootlogs showed until these
> messages appearing.
> "init: auto-serial-console main process ended, respawning
> init: auto-serial-console main process ended, respawning
> init: auto-serial-console main process ended, respawning
> init: tty1 main process (1449) killed by TERM signal
> init: auto-serial-console respawning too fast, stopped"
> 
> Then, my Koelsch board stoped here.(my Lager board is the same)
> (I attached the bootlogs_file)
> 
> So, When I tried to add "console=ttySC0," into bootargs (at .dts file), i
> can boot my Koelsch board without any problems.
> And these are the same on Lager board.
> 
> Thank you!
> Jinso/Hiep
> ====> information:
> Actually, on v4.0-rc2, we have two patches related each other as below:
> 79e69d1 ARM: shmobile: koelsch dts:Drop console= bootargs parameter BAD.
> 1f75cda ARM: shmobile: koelsch: Rename SCIF01 serial ports to ttySC01
> 
> And for Lager:
> 569dd56 ARM: shmobile: lager dts: Drop console= bootargs parameter
> 78c11ec ARM: shmobile: lager: Rename SCIFA[01] serial ports to ttySC[01]
> 
> There is only 79e69d1 patch on v3.19-rcX, I also had a problem with bootting
> Koelsch on v3.19-rcX
> (using linaro-nano 2014.09). But it was good on Yocto and
> linaro-nano-2013.02
> 
> 
> 
> 
> 

> => bootp;bootm
> sh_eth Waiting for PHY auto negotiation to complete.. done
> sh_eth: 100Base/Full
> BOOTP broadcast 1
> DHCP client bound to address 172.16.1.36
> Using sh_eth device
> TFTP from server 172.16.1.9; our IP address is 172.16.1.36
> Filename 'Koelsch/uImage.dtb'.
> Load address: 0x40007fc0
> Loading: #######################������������������������������������������������������������������������������������0
> Linux version 4.0.0-rc2 (jinso02@jinso02) (gcc version 4.9.2 20140904 (prerelease) (crosstool-NG linaro-1.13.1-4.9-25
> CPU: ARMv7 Processor [413fc0f2] revision 2 (ARMv7), cr\x10c5307d
> CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache
> Machine model: Koelsch
> Ignoring memory block 0x200000000 - 0x240000000
> debug: ignoring loglevel setting.
> Memory policy: Data cache writealloc
> On node 0 totalpages: 262144
> free_area_init_node: node 0, pgdat c063fe00, node_mem_map eeff9000
>   Normal zone: 1520 pages used for memmap
>   Normal zone: 0 pages reserved
>   Normal zone: 194560 pages, LIFO batch:31
>   HighMem zone: 67584 pages, LIFO batch:15
> PERCPU: Embedded 8 pages/cpu @eefca000 s11456 r0 d21312 u32768
> pcpu-alloc: s11456 r0 d21312 u32768 alloc=8*4096
> pcpu-alloc: [0] 0 [0] 1 
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 260624
> Kernel command line: ignore_loglevel rw root=/dev/nfs ip=dhcp
> PID hash table entries: 4096 (order: 2, 16384 bytes)
> Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
> Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
> Memory: 1032772K/1048576K available (4636K kernel code, 205K rwdata, 1252K rodata, 272K init, 192K bss, 15804K reser)
> Virtual kernel memory layout:
>     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
>     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
>     vmalloc : 0xf0000000 - 0xff000000   ( 240 MB)
>     lowmem  : 0xc0000000 - 0xef800000   ( 760 MB)
>     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
>       .text : 0xc0008000 - 0xc05c9044   (5893 kB)
>       .init : 0xc05ca000 - 0xc060e000   ( 272 kB)
>       .data : 0xc060e000 - 0xc0641720   ( 206 kB)
>        .bss : 0xc0641720 - 0xc06717ec   ( 193 kB)
> Hierarchical RCU implementation.
>         Additional per-CPU info printed with stalls.
>         RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
> RCU: Adjusting geometry for rcu_fanout_leaf\x16, nr_cpu_ids=2
> NR_IRQS:16 nr_irqs:16 16
> Architected cp15 timer(s) running at 10.00MHz (virt).
> sched_clock: 56 bits at 10MHz, resolution 100ns, wraps every 3435973836800ns
> Switching to timer-based delay loop, resolution 100ns
> Console: colour dummy device 80x30
> console [tty0] enabled
> Calibrating delay loop (skipped), value calculated using timer frequency.. 20.00 BogoMIPS (lpj\x100000)
> pid_max: default: 32768 minimum: 301
> Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
> Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
> CPU: Testing write buffer coherency: ok
> CPU0: update cpu_capacity 1024
> CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
> Setting up static identity map for 0x4048dba0 - 0x4048dbf8
> Unable to boot CPU1 when MD21 is set
> CPU1: failed to boot: -524
> Brought up 1 CPUs
> SMP: Total of 1 processors activated (20.00 BogoMIPS).
> CPU: All CPU(s) started in SVC mode.
> devtmpfs: initialized
> VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0
> pinctrl core: initialized pinctrl subsystem
> NET: Registered protocol family 16
> DMA: preallocated 256 KiB pool for atomic coherent allocations
> renesas_irqc e61c0000.interrupt-controller: driving 10 irqs
> sh-pfc e6060000.pfc: r8a77910_pfc support registered
> No ATAGs?
> hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
> hw-breakpoint: maximum watchpoint size is 8 bytes.
> platform regulator@0: Driver reg-fixed-voltage requests probe deferral
> platform regulator@2: Driver reg-fixed-voltage requests probe deferral
> platform regulator@4: Driver reg-fixed-voltage requests probe deferral
> gpio-regulator regulator@1: Could not obtain regulator setting GPIOs: -517
> platform regulator@1: Driver gpio-regulator requests probe deferral
> gpio-regulator regulator@3: Could not obtain regulator setting GPIOs: -517
> platform regulator@3: Driver gpio-regulator requests probe deferral
> gpio-regulator regulator@5: Could not obtain regulator setting GPIOs: -517
> platform regulator@5: Driver gpio-regulator requests probe deferral
> vgaarb: loaded
> SCSI subsystem initialized
> libata version 3.00 loaded.
> usbcore: registered new interface driver usbfs
> usbcore: registered new interface driver hub
> usbcore: registered new device driver usb
> i2c-sh_mobile e60b0000.i2c: I2C adapter 6, bus speed 100000 Hz
> media: Linux media interface: v0.10
> Linux video capture interface: v2.00
> sh_cmt ffca0000.timer: ch0: used for clock events
> sh_cmt ffca0000.timer: ch1: used as clock source
> Advanced Linux Sound Architecture Driver Initialized.
> Switched to clocksource arch_sys_counter
> NET: Registered protocol family 2
> TCP established hash table entries: 8192 (order: 3, 32768 bytes)
> TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
> TCP: Hash tables configured (established 8192 bind 8192)
> TCP: reno registered
> UDP hash table entries: 512 (order: 2, 16384 bytes)
> UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
> NET: Registered protocol family 1
> RPC: Registered named UNIX socket transport module.
> RPC: Registered udp transport module.
> RPC: Registered tcp transport module.
> RPC: Registered tcp NFSv4.1 backchannel transport module.
> PCI: CLS 0 bytes, default 64
> futex hash table entries: 512 (order: 3, 32768 bytes)
> NFS: Registering the id_resolver key type
> Key type id_resolver registered
> Key type id_legacy registered
> nfs4filelayout_init: NFSv4 File Layout Driver Registering...
> nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
> bounce: pool size: 64 pages
> Block layer SCSI generic (bsg) driver version 0.4 loaded (major 250)
> io scheduler noop registered
> io scheduler deadline registered
> io scheduler cfq registered (default)
> gpio_rcar e6050000.gpio: driving 32 GPIOs
> gpio_rcar e6051000.gpio: driving 32 GPIOs
> gpio_rcar e6052000.gpio: driving 32 GPIOs
> gpio_rcar e6053000.gpio: driving 32 GPIOs
> gpio_rcar e6054000.gpio: driving 32 GPIOs
> gpio_rcar e6055000.gpio: driving 32 GPIOs
> gpio_rcar e6055400.gpio: driving 32 GPIOs
> gpio_rcar e6055800.gpio: driving 26 GPIOs
> pci-rcar-gen2 ee090000.pci: PCI: bus0 revision 11
> pci-rcar-gen2 ee090000.pci: PCI host bridge to bus 0000:00
> pci_bus 0000:00: root bus resource [io  0xee080000-0xee0810ff]
> pci_bus 0000:00: root bus resource [mem 0xee080000-0xee0810ff]
> pci_bus 0000:00: No busn resource found for root bus, will use [bus 00-ff]
> pci 0000:00:00.0: [1033:0000] type 00 class 0x060000
> pci 0000:00:00.0: reg 0x10: [mem 0xee090800-0xee090bff]
> pci 0000:00:00.0: reg 0x14: [mem 0x40000000-0x7fffffff pref]
> pci 0000:00:01.0: [1033:0035] type 00 class 0x0c0310
> pci 0000:00:01.0: reg 0x10: [mem 0x00000000-0x00000fff]
> pci 0000:00:01.0: supports D1 D2
> pci 0000:00:01.0: PME# supported from D0 D1 D2 D3hot
> pci 0000:00:02.0: [1033:00e0] type 00 class 0x0c0320
> pci 0000:00:02.0: reg 0x10: [mem 0x00000000-0x000000ff]
> pci 0000:00:02.0: supports D1 D2
> pci 0000:00:02.0: PME# supported from D0 D1 D2 D3hot
> PCI: bus0: Fast back to back transfers disabled
> pci_bus 0000:00: busn_res: [bus 00-ff] end is updated to 00
> pci 0000:00:01.0: can't enable device: BAR 0 [mem 0x00000000-0x00000fff] not claimed
> pci 0000:00:01.0: Can't enable PCI device, BIOS handoff failed.
> pci 0000:00:02.0: can't enable device: BAR 0 [mem 0x00000000-0x000000ff] not claimed
> pci 0000:00:02.0: Can't enable PCI device, BIOS handoff failed.
> pci 0000:00:01.0: BAR 0: assigned [mem 0xee080000-0xee080fff]
> pci 0000:00:02.0: BAR 0: assigned [mem 0xee081000-0xee0810ff]
> pci-rcar-gen2 ee0d0000.pci: PCI: bus0 revision 11
> pci-rcar-gen2 ee0d0000.pci: PCI host bridge to bus 0001:01
> pci_bus 0001:01: root bus resource [io  0xee0c0000-0xee0c10ff]
> pci_bus 0001:01: root bus resource [mem 0xee0c0000-0xee0c10ff]
> pci_bus 0001:01: No busn resource found for root bus, will use [bus 01-ff]
> pci 0001:01:00.0: [1033:0000] type 00 class 0x060000
> pci 0001:01:00.0: reg 0x10: [mem 0xee0d0800-0xee0d0bff]
> pci 0001:01:00.0: reg 0x14: [mem 0x40000000-0x7fffffff pref]
> pci 0001:01:01.0: [1033:0035] type 00 class 0x0c0310
> pci 0001:01:01.0: reg 0x10: [mem 0x00000000-0x00000fff]
> pci 0001:01:01.0: supports D1 D2
> pci 0001:01:01.0: PME# supported from D0 D1 D2 D3hot
> pci 0001:01:02.0: [1033:00e0] type 00 class 0x0c0320
> pci 0001:01:02.0: reg 0x10: [mem 0x00000000-0x000000ff]
> pci 0001:01:02.0: supports D1 D2
> pci 0001:01:02.0: PME# supported from D0 D1 D2 D3hot
> PCI: bus1: Fast back to back transfers disabled
> pci_bus 0001:01: busn_res: [bus 01-ff] end is updated to 01
> pci 0001:01:01.0: can't enable device: BAR 0 [mem 0x00000000-0x00000fff] not claimed
> pci 0001:01:01.0: Can't enable PCI device, BIOS handoff failed.
> pci 0001:01:02.0: can't enable device: BAR 0 [mem 0x00000000-0x000000ff] not claimed
> pci 0001:01:02.0: Can't enable PCI device, BIOS handoff failed.
> pci 0001:01:01.0: BAR 0: assigned [mem 0xee0c0000-0xee0c0fff]
> pci 0001:01:02.0: BAR 0: assigned [mem 0xee0c1000-0xee0c10ff]
> rcar-pcie fe000000.pcie: PCIe link down
> Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
> SuperH (H)SCI(F) driver initialized
> e6e60000.serial: ttySC0 at MMIO 0xe6e60000 (irq = 107, base_baud = 0) is a scif
> console [ttySC0] enabled
> e6e68000.serial: ttySC1 at MMIO 0xe6e68000 (irq = 108, base_baud = 0) is a scif
> [drm] Initialized drm 1.1.0 20060810
> rcar-du feb00000.display: error: no encoder could be initialized
> rcar-du feb00000.display: failed to initialize DRM/KMS
> rcar-du: probe of feb00000.display failed with error -22
> scsi host0: sata_rcar
> ata1: SATA max UDMA/133 irq 110
> renesas_spi e6b10000.spi: DMA available
> m25p80 spi0.0: s25fl512s (65536 Kbytes)
> 3 ofpart partitions found on MTD device spi0.0
> Creating 3 MTD partitions on "spi0.0":
> 0x000000000000-0x000000080000 : "loader"
> 0x000000080000-0x000000600000 : "user"
> 0x000000600000-0x000004000000 : "flash"
> renesas_spi e6b10000.spi: probed
> spi_sh_msiof e6e20000.spi: DMA available
> libphy: sh_mii: probed
> sh-eth ee700000.ethernet eth0: Base address at 0xee700000, 2e:09:0a:00:75:df, IRQ 109.
> ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> ehci-pci: EHCI PCI platform driver
> ehci-pci 0000:00:02.0: enabling device (0140 -> 0142)
> ehci-pci 0000:00:02.0: EHCI Host Controller
> ehci-pci 0000:00:02.0: new USB bus registered, assigned bus number 1
> ehci-pci 0000:00:02.0: irq 120, io mem 0xee081000
> ehci-pci 0000:00:02.0: USB 2.0 started, EHCI 1.00
> hub 1-0:1.0: USB hub found
> hub 1-0:1.0: 1 port detected
> ehci-pci 0001:01:02.0: enabling device (0140 -> 0142)
> ehci-pci 0001:01:02.0: EHCI Host Controller
> ehci-pci 0001:01:02.0: new USB bus registered, assigned bus number 2
> ehci-pci 0001:01:02.0: irq 121, io mem 0xee0c1000
> ehci-pci 0001:01:02.0: USB 2.0 started, EHCI 1.00
> hub 2-0:1.0: USB hub found
> hub 2-0:1.0: 1 port detected
> ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
> ohci-pci: OHCI PCI platform driver
> ohci-pci 0000:00:01.0: enabling device (0140 -> 0142)
> ohci-pci 0000:00:01.0: OHCI PCI host controller
> ohci-pci 0000:00:01.0: new USB bus registered, assigned bus number 3
> ohci-pci 0000:00:01.0: irq 120, io mem 0xee080000
> ohci-pci 0000:00:01.0: init err (00002edf 0000)
> ohci-pci 0000:00:01.0: can't start
> ohci-pci 0000:00:01.0: startup error -75
> ohci-pci 0000:00:01.0: USB bus 3 deregistered
> ohci-pci 0000:00:01.0: init 0000:00:01.0 fail, -75
> ohci-pci: probe of 0000:00:01.0 failed with error -75
> ohci-pci 0001:01:01.0: enabling device (0140 -> 0142)
> ohci-pci 0001:01:01.0: OHCI PCI host controller
> ohci-pci 0001:01:01.0: new USB bus registered, assigned bus number 3
> ohci-pci 0001:01:01.0: irq 121, io mem 0xee0c0000
> hub 3-0:1.0: USB hub found
> hub 3-0:1.0: 1 port detected
> sh-pfc e6060000.pfc: pin GP_7_23 already requested by ee090000.pci; cannot claim for e6590000.usb
> sh-pfc e6060000.pfc: pin-247 (e6590000.usb) status -22
> sh-pfc e6060000.pfc: could not request pin 247 (GP_7_23) from group usb0  on device sh-pfc
> renesas_usbhs e6590000.usb: Error applying setting, reverse things back
> renesas_usbhs e6590000.usb: gadget probed
> renesas_usbhs e6590000.usb: platform init failed.
> renesas_usbhs e6590000.usb: probe failed
> mousedev: PS/2 mouse device common for all mice
> i2c /dev entries driver
> at24 2-0050: 256 byte 24c02 EEPROM, writable, 16 bytes/write
> i2c-rcar e6530000.i2c: probed
> adv7180 2-0020: chip found @ 0x20 (e6530000.i2c)
> ata1: link resume succeeded after 1 retries
> soc-camera-pdrv soc-camera-pdrv.0: Probing soc-camera-pdrv.0
> ------------[ cut here ]------------
> WARNING: CPU: 0 PID: 1 at drivers/base/devres.c:887 devm_kfree+0x30/0x40()
> CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.0.0-rc2 #33
> Hardware name: Generic R8A7791 (Flattened Device Tree)
> Backtrace: 
> [<c0011e94>] (dump_backtrace) from [<c001203c>] (show_stack+0x18/0x1c)
>  r7:c058aadd r6:ee82f9c0 r5:00000009 r4:00000000
> [<c0012024>] (show_stack) from [<c0489724>] (dump_stack+0x78/0x94)
> [<c04896ac>] (dump_stack) from [<c0025210>] (warn_slowpath_common+0x88/0xb4)
>  r5:00000009 r4:00000000
> [<c0025188>] (warn_slowpath_common) from [<c0025314>] (warn_slowpath_null+0x24/0x2c)
>  r9:eeb0daa8 r8:eefe0398 r7:eeaaf810 r6:eeaafc20 r5:fffffffa r4:eeb0da90
> [<c00252f0>] (warn_slowpath_null) from [<c025a078>] (devm_kfree+0x30/0x40)
> [<c025a048>] (devm_kfree) from [<c03270f0>] (soc_of_bind.isra.14+0x194/0x1d4)
> [<c0326f5c>] (soc_of_bind.isra.14) from [<c0327bb0>] (soc_camera_host_register+0x208/0x31c)
>  r9:00000070 r8:eefe7384 r7:ee960210 r6:00000000 r5:eefe7000 r4:eeaafc20
> [<c03279a8>] (soc_camera_host_register) from [<c0329d1c>] (rcar_vin_probe+0x1f8/0x23c)
>  r9:00000070 r8:ee960200 r7:00000008 r6:ee960210 r5:eeaafc10 r4:c0635470
> [<c0329b24>] (rcar_vin_probe) from [<c0258314>] (platform_drv_probe+0x50/0xa0)
>  r10:00000000 r9:c063527c r8:00000000 r7:c0664e40 r6:c063527c r5:ee960210
>  r4:ffffffef
> [<c02582c4>] (platform_drv_probe) from [<c0256e98>] (driver_probe_device+0xc4/0x208)
>  r7:c0664e40 r6:c0664e34 r5:00000000 r4:ee960210
> [<c0256dd4>] (driver_probe_device) from [<c0257098>] (__driver_attach+0x70/0x94)
>  r9:c0641740 r8:00000000 r7:c062db60 r6:c063527c r5:ee960244 r4:ee960210
> [<c0257028>] (__driver_attach) from [<c02557e0>] (bus_for_each_dev+0x74/0x98)
>  r7:c062db60 r6:c0257028 r5:c063527c r4:00000000
> [<c025576c>] (bus_for_each_dev) from [<c025716c>] (driver_attach+0x20/0x28)
>  r6:eea25000 r5:00000000 r4:c063527c
> [<c025714c>] (driver_attach) from [<c0255f9c>] (bus_add_driver+0xdc/0x1c4)
> [<c0255ec0>] (bus_add_driver) from [<c0257880>] (driver_register+0xa4/0xe8)
>  r7:c0600400 r6:c0600400 r5:c05e73a4 r4:c063527c
> [<c02577dc>] (driver_register) from [<c0258c5c>] (__platform_driver_register+0x50/0x64)
>  r5:c05e73a4 r4:ee0d9680
> [<c0258c0c>] (__platform_driver_register) from [<c05e73bc>] (rcar_vin_driver_init+0x18/0x20)
> [<c05e73a4>] (rcar_vin_driver_init) from [<c05cadec>] (do_one_initcall+0x10c/0x1bc)
> [<c05cace0>] (do_one_initcall) from [<c05cafb4>] (kernel_init_freeable+0x118/0x1e0)
>  r8:c0641740 r7:c0608f60 r6:c0600c2c r5:000000ad r4:00000006
> [<c05cae9c>] (kernel_init_freeable) from [<c0487020>] (kernel_init+0x14/0xec)
>  r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c048700c r4:c0641740
> [<c048700c>] (kernel_init) from [<c000eba0>] (ret_from_fork+0x14/0x34)
>  r5:c048700c r4:00000000
> ---[ end trace f0b41a6645a18806 ]---
> rcar_vin e6ef1000.video: group probe failed: -6
> ata1: SATA link down (SStatus 0 SControl 300)
> rcar_thermal e61f0000.thermal: 1 sensor probed
> Driver 'mmcblk' needs updating - please use bus_type methods
> sh_mobile_sdhi ee100000.sd: Got CD GPIO
> sh_mobile_sdhi ee100000.sd: Got WP GPIO
> platform ee100000.sd: Driver sh_mobile_sdhi requests probe deferral
> sh_mobile_sdhi ee140000.sd: Got CD GPIO
> sh_mobile_sdhi ee140000.sd: Got WP GPIO
> platform ee140000.sd: Driver sh_mobile_sdhi requests probe deferral
> sh_mobile_sdhi ee160000.sd: Got CD GPIO
> platform ee160000.sd: Driver sh_mobile_sdhi requests probe deferral
> usbcore: registered new interface driver usbhid
> usbhid: USB HID core driver
> platform sound: Driver asoc-simple-card requests probe deferral
> rcar_sound ec500000.rcar_sound: can't get dma channel
> rcar_sound ec500000.rcar_sound: src[2] (Gen2) failed
> rcar_sound ec500000.rcar_sound: ssi[0] fallback to PIO mode
> rcar_sound ec500000.rcar_sound: can't get dma channel
> rcar_sound ec500000.rcar_sound: src[3] (Gen2) failed
> rcar_sound ec500000.rcar_sound: ssi[1] fallback to PIO mode
> rcar_sound ec500000.rcar_sound: probed
> TCP: cubic registered
> NET: Registered protocol family 10
> sit: IPv6 over IPv4 tunneling driver
> NET: Registered protocol family 17
> Key type dns_resolver registered
> Registering SWP/SWPB emulation handler
> sh_mobile_sdhi ee100000.sd: Got CD GPIO
> sh_mobile_sdhi ee100000.sd: Got WP GPIO
> sh_mobile_sdhi ee100000.sd: mmc0 base at 0xee100000 clock rate 97 MHz
> sh_mobile_sdhi ee140000.sd: Got CD GPIO
> sh_mobile_sdhi ee140000.sd: Got WP GPIO
> sh_mobile_sdhi ee140000.sd: mmc1 base at 0xee140000 clock rate 97 MHz
> sh_mobile_sdhi ee160000.sd: Got CD GPIO
> sh_mobile_sdhi ee160000.sd: mmc2 base at 0xee160000 clock rate 97 MHz
> asoc-simple-card sound: ak4642-hifi <-> ec500000.rcar_sound mapping ok
> input: keyboard as /devices/platform/keyboard/input/input0
> drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
> sh-eth ee700000.ethernet eth0: attached PHY 1 (IRQ 375) to driver Micrel KSZ8041RNLI
> Sending DHCP requests ..
> sh-eth ee700000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
> ., OK
> IP-Config: Got DHCP answer from 172.16.1.9, my address is 172.16.1.36
> IP-Config: Complete:
>      device=eth0, hwaddr.:09:0a:00:75:df, ipaddr\x172.16.1.36, mask%5.255.255.0, gw\x172.16.1.9
>      host\x172.16.1.36, domain=, nis-domain=(none)
>      bootserver\x172.16.1.9, rootserver\x172.16.1.9, rootpath>      nameserver0\x172.16.1.30, nameserver1\x172.16.1.40, nameserver2=8.8.8.8
> SDHI2 VccQ: disabling
> SDHI1 VccQ: disabling
> SDHI0 VccQ: disabling
> SDHI2 Vcc: disabling
> SDHI1 Vcc: disabling
> SDHI0 Vcc: disabling
> ALSA device list:
>   #0: rsnd-dai.0-ak4642-hifi
> VFS: Mounted root (nfs filesystem) on device 0:13.
> devtmpfs: mounted
> Freeing unused kernel memory: 272K (c05ca000 - c060e000)
> Mount failed for selinuxfs on /sys/fs/selinux:  No such file or directory
> random: init urandom read with 46 bits of entropy available
> init: plymouth-upstart-bridge main process (790) terminated with status 1
> init: plymouth-upstart-bridge main process ended, respawning
> init: plymouth-upstart-bridge main process (799) terminated with status 1
> init: plymouth-upstart-bridge main process ended, respawning
> random: nonblocking pool is initialized
> systemd-udevd[888]: starting version 204
> Unable to boot CPU1 when MD21 is set
> CPU1: failed to boot: -524
> init: udev-fallback-graphics main process (1404) terminated with status 1
>  * Stopping Send an event to indicate plymouth is up[ OK ]
>  * Starting Mount filesystems on boot[ OK ]
>  * Starting Signal sysvinit that the rootfs is mounted[ OK ]
>  * Starting Populate /dev filesystem[ OK ]
>  * Stopping Populate /dev filesystem[ OK ]
>  * Starting Clean /tmp directory[ OK ]
>  * Stopping Clean /tmp directory[ OK ]
>  * Starting Populate and link to /run filesystem[ OK ]
>  * Stopping Populate and link to /run filesystem[ OK ]
>  * Stopping Track if upstart is running in a container[ OK ]
>  * Starting set console keymap[ OK ]
>  * Starting Signal sysvinit that virtual filesystems are mounted[ OK ]
>  * Starting Signal sysvinit that virtual filesystems are mounted[ OK ]
>  * Starting Bridge udev events into upstart[ OK ]
>  * Starting Signal sysvinit that local filesystems are mounted[ OK ]
>  * Starting Signal sysvinit that remote filesystems are mounted[ OK ]
>  * Starting device node and kernel event manager[ OK ]
>  * Stopping set console keymap[ OK ]
>  * Starting flush early job output to logs[ OK ]
>  * Stopping Mount filesystems on boot[ OK ]
>  * Stopping flush early job output to logs[ OK ]
>  * Starting load modules from /etc/modules[ OK ]
>  * Starting cold plug devices[ OK ]
>  * Starting log initial device creation[ OK ]
>  * Stopping load modules from /etc/modules[ OK ]
>  * Starting system logging daemon[ OK ]
>  * Stopping cold plug devices[ OK ]
>  * Stopping log initial device creation[ OK ]
>  * Starting load fallback graphics devices[ OK ]
>  * Starting configure network device security[ OK ]
>  * Starting load fallback graphics devices[fail]
>  * Starting save udev log and update rules[ OK ]
>  * Starting set console font[ OK ]
>  * Stopping set console font[ OK ]
>  * Starting userspace bootsplash[ OK ]
>  * Starting configure network device security[ OK ]
>  * Stopping userspace bootsplash[ OK ]
>  * Starting Send an event to indicate plymouth is up[ OK ]
>  * Starting configure network device[ OK ]
>  * Stopping Send an event to indicate plymouth is up[ OK ]
>  * Stopping save udev log and update rules[ OK ]
>  * Starting System V initialisation compatibility[ OK ]
>  * Starting configure virtual network devices[ OK ]
>  * Starting configure network device security[ OK ]
>  * Starting configure network device security[ OK ]
>  * Stopping System V initialisation compatibility[ OK ]
>  * Starting configure network device[ OK ]
> init: alsa-restore main process (1546) terminated with status 99
>  * Starting System V runlevel compatibility[ OK ]
>  * Starting regular background program processing daemon[ OK ]
>  * Starting save kernel messages[ OK ]
>  * Stopping System V runlevel compatibility[ OK ]
> init: auto-serial-console main process ended, respawning
>  * Starting configure network device[ OK ]
>  * Starting OpenSSH server[ OK ]
> init: plymouth-upstart-bridge main process ended, respawning
> init: auto-serial-console main process ended, respawning
> init: auto-serial-console main process ended, respawning
> init: auto-serial-console main process ended, respawning
> init: auto-serial-console main process ended, respawning
> init: auto-serial-console main process ended, respawning
> init: auto-serial-console main process ended, respawning
> init: tty1 main process (1592) killed by TERM signal
> init: auto-serial-console main process ended, respawning
> init: auto-serial-console main process ended, respawning
> init: auto-serial-console main process ended, respawning
> init: auto-serial-console respawning too fast, stopped
> 
>