Boot problems with GoFlexNet – kernel command ignored, USB not available (3 replies)

Quote
UBoot-Init
$ ./kwboot -b uboot.2016.05-tld-1.goflexnet.mtd0.kwb -p -t /dev/ttyUSB0
Sending boot message. Please reboot the target...|
Sending boot image...
0 % [......................................................................]
[...]
99 % [....................................]
[Type Ctrl-\ + c to quit]


U-Boot 2016.05-tld-1 (Jun 12 2016 - 13:27:19 -0700)
Seagate GoFlex Net

SoC: Kirkwood 88F6281_A1
DRAM: 128 MiB
WARNING: Caches not enabled
NAND: 256 MiB
In: serial
Out: serial
Err: serial
Net: egiga0
88E1116 Initialized on egiga0
Hit any key to stop autoboot: 0

Quote
Original Env from flash
GoFlexNet> printenv
arcNumber=2097
baudrate=115200
bootcmd=usb start; run force_rescue_bootcmd; run ubifs_bootcmd; run usb_bootcmd; usb stop; run rescue_bootcmd; run pogo_bootcmd; reset
bootdelay=3
console=ttyS0,115200
ethact=egiga0
ethaddr=00:10:75:26:6E:79
fileaddr=800000
filesize=ad6
force_rescue=0
force_rescue_bootcmd=if test $force_rescue -eq 1 || ext2load usb 0:1 0x1700000 /rescueme 1 || fatload usb 0:1 0x1700000 /rescueme.txt 1; then run rescue_bootcmd; fi
led_error=orange blinking
led_exit=green off
led_init=green blinking
mainlineLinux=yes
mtdids=nand0=orion_nand
mtdparts=mtdparts=orion_nand:1M(u-boot),4M(uImage),32M(rootfs),-(data)
partition=nand0,2
pogo_bootcmd=if fsload uboot-original-mtd0.kwb; then go 0x800200; fi
rescue_bootcmd=if test $rescue_installed -eq 1; then run rescue_set_bootargs; nand read.e 0x800000 0x100000 0x400000; bootm 0x800000; else run pogo_bootcmd; fi
rescue_installed=0
rescue_set_bootargs=setenv bootargs console=$console ubi.mtd=2 root=ubi0:rootfs ro rootfstype=ubifs $mtdparts $rescue_custom_params
stderr=serial
stdin=serial
stdout=serial
ubifs_bootcmd=run ubifs_set_bootargs; if ubi part data && ubifsmount rootfs && ubifsload 0x800000 /boot/uImage && ubifsload 0x1100000 /boot/uInitrd; then bootm 0x800000 0x1100000; fi
ubifs_mtd=3
ubifs_set_bootargs=setenv bootargs console=$console ubi.mtd=$ubifs_mtd root=ubi0:rootfs rootfstype=ubifs $mtdparts $ubifs_custom_params
usb_boot=mw 0x800000 0 1; ext2load usb $usb_device 0x800000 /boot/uImage; if ext2load usb $usb_device 0x1100000 /boot/uInitrd; then bootm 0x800000 0x1100000; else bootm 0x800000; fi
usb_bootcmd=run usb_init; run usb_set_bootargs; run usb_boot
usb_device=0:1
usb_init=run usb_scan
usb_root=/dev/sda1
usb_rootdelay=10
usb_rootfstype=ext2
usb_scan=usb_scan_done=0;for scan in $usb_scan_list; do run usb_scan_$scan; if test $usb_scan_done -eq 0 && ext2load usb $usb 0x800000 /boot/uImage 1; then usb_scan_done=1; echo "Found bootable drive on usb $usb"; setenv usb_device $usb; setenv usb_root /dev/$dev; fi; done
usb_scan_1=usb=0:1 dev=sda1
usb_scan_2=usb=1:1 dev=sdb1
usb_scan_3=usb=2:1 dev=sdc1
usb_scan_4=usb=3:1 dev=sdd1
usb_scan_list=1 2 3 4
usb_set_bootargs=setenv bootargs console=$console root=$usb_root rootdelay=$usb_rootdelay rootfstype=$usb_rootfstype $mtdparts $usb_custom_params

Environment size: 2375/131068 bytes

Quote
New env from USB
GoFlexNet> usb start
starting USB...
USB0: USB EHCI 1.00
scanning bus 0 for devices... 2 USB Device(s) found
scanning usb for storage devices... 1 Storage Device(s) found


GoFlexNet> ext4load usb 0:1 0x800000 /uboot.env
2774 bytes read in 258 ms (9.8 KiB/s)


GoFlexNet> env import -t 0x800000 2774


GoFlexNet> printenv
arcNumber=2097
baudrate=115200
bootcmd=run bootcmd_uenv; run scan_disk; run set_bootargs; run bootcmd_exec
bootcmd_exec=run load_uimage; if run load_initrd; then if run load_dtb; then bootm $load_uimage_addr $load_initrd_addr $load_dtb_addr; else bootm $load_uimage_addr $load_initrd_addr; fi; else if run load_dtb; then bootm $load_uimage_addr - $load_dtb_addr; else bootm $load_uimage_addr; fi; fi
bootcmd_uenv=run uenv_load; if test $uenv_loaded -eq 1; then run uenv_import; fi
bootdelay=10
bootdev=usb
console=ttyS0,115200
device=0:1
devices=usb ide mmc
disks=0 1 2 3
dtb_file=/boot/dts/kirkwood-goflexnet.dtb
ethact=egiga0
ethaddr=52:3b:20:9c:11:51
fileaddr=800000
filesize=ad6
force_rescue=0
force_rescue_bootcmd=if test $force_rescue -eq 1 || ext2load usb 0:1 0x1700000 /rescueme 1 || fatload usb 0:1 0x1700000 /rescueme.txt 1; then run rescue_bootcmd; fi
if_netconsole=ping $serverip
ipaddr=192.168.0.231
led_error=orange blinking
led_exit=green off
led_init=green blinking
load_dtb=echo loading DTB $dtb_file ...; load $bootdev $device $load_dtb_addr $dtb_file
load_dtb_addr=0x1c00000
load_initrd=echo loading uInitrd ...; load $bootdev $device $load_initrd_addr /boot/uInitrd
load_initrd_addr=0x1100000
load_uimage=echo loading uImage ...; load $bootdev $device $load_uimage_addr /boot/uImage
load_uimage_addr=0x800000
machid=0x831
mainlineLinux=yes
mtdids=nand0=orion_nand
mtdparts=mtdparts=orion_nand:1M(u-boot),4M(uImage),32M(rootfs),-(data)
partition=nand0,2
pogo_bootcmd=if fsload uboot-original-mtd0.kwb; then go 0x800200; fi
preboot_nc=run if_netconsole start_netconsole
rescue_bootcmd=if test $rescue_installed -eq 1; then run rescue_set_bootargs; nand read.e 0x800000 0x100000 0x400000; bootm 0x800000; else run pogo_bootcmd; fi
rescue_installed=0
rescue_set_bootargs=setenv bootargs console=$console ubi.mtd=2 root=ubi0:rootfs ro rootfstype=ubifs $mtdparts $rescue_custom_params
scan_disk=echo running scan_disk ...; scan_done=0; setenv scan_usb "usb start"; setenv scan_ide "ide reset"; setenv scan_mmc "mmc rescan"; for dev in $devices; do if test $scan_done -eq 0; then echo Scan device $dev; run scan_$dev; for disknum in $disks; do if test $scan_done -eq 0; then echo device $dev $disknum:1; if load $dev $disknum:1 $load_uimage_addr /boot/uImage 1; then scan_done=1; echo Found bootable drive on $dev $disknum; setenv device $disknum:1; setenv bootdev $dev; fi; fi; done; fi; done
serverip=192.168.0.220
set_bootargs=setenv bootargs console=ttyS0,115200 root=LABEL=rootfs rootdelay=10 $mtdparts $custom_params
start_netconsole=setenv ncip $serverip; setenv bootdelay 10; setenv stdin nc; setenv stdout nc; setenv stderr nc; version;
stderr=serial
stdin=serial
stdout=serial
ubifs_bootcmd=run ubifs_set_bootargs; if ubi part data && ubifsmount rootfs && ubifsload 0x800000 /boot/uImage && ubifsload 0x1100000 /boot/uInitrd; then bootm 0x800000 0x1100000; fi
ubifs_mtd=3
ubifs_set_bootargs=setenv bootargs console=$console ubi.mtd=$ubifs_mtd root=ubi0:rootfs rootfstype=ubifs $mtdparts $ubifs_custom_params
uenv_addr=0x810000
uenv_import=echo importing envs ...; env import -t $uenv_addr $filesize
uenv_init_devices=setenv init_usb "usb start"; setenv init_ide "ide reset"; setenv init_mmc "mmc rescan"; for devtype in $devices; do run init_$devtype; done;
uenv_load=run uenv_init_devices; setenv uenv_loaded 0; for devtype in $devices; do for disknum in 0; do run uenv_read_disk; done; done;
uenv_read=echo loading envs from $devtype $disknum ...; if load $devtype $disknum:1 $uenv_addr /boot/uEnv.txt; then setenv uenv_loaded 1; fi
uenv_read_disk=if test $devtype -eq mmc; then if $devtype part; then run uenv_read; fi; else if $devtype part $disknum; then run uenv_read; fi; fi
usb_boot=mw 0x800000 0 1; ext2load usb $usb_device 0x800000 /boot/uImage; if ext2load usb $usb_device 0x1100000 /boot/uInitrd; then bootm 0x800000 0x1100000; else bootm 0x800000; fi
usb_bootcmd=run usb_init; run usb_set_bootargs; run usb_boot
usb_device=0:1
usb_init=run usb_scan
usb_ready_retry=15
usb_root=/dev/sda1
usb_rootdelay=10
usb_rootfstype=ext2
usb_scan=usb_scan_done=0;for scan in $usb_scan_list; do run usb_scan_$scan; if test $usb_scan_done -eq 0 && ext2load usb $usb 0x800000 /boot/uImage 1; then usb_scan_done=1; echo "Found bootable drive on usb $usb"; setenv usb_device $usb; setenv usb_root /dev/$dev; fi; done
usb_scan_1=usb=0:1 dev=sda1
usb_scan_2=usb=1:1 dev=sdb1
usb_scan_3=usb=2:1 dev=sdc1
usb_scan_4=usb=3:1 dev=sdd1
usb_scan_list=1 2 3 4
usb_set_bootargs=setenv bootargs console=$console root=$usb_root rootdelay=$usb_rootdelay rootfstype=$usb_rootfstype $mtdparts $usb_custom_params

Environment size: 4762/131068 bytes

Quote
Booting
GoFlexNet> boot

Reset IDE: ide_preinit failed
Unknown command 'mmc' - try 'help'

Partition Map for USB device 0 -- Partition Type: DOS

Part Start Sector Num Sectors UUID Type
1 2048 1740800 e7e603aa-01 83
2 1742848 259040 e7e603aa-02 82
loading envs from usb 0 ...
** File not found /boot/uEnv.txt **

no IDE devices available
Unknown command 'mmc' - try 'help'
running scan_disk ...
Scan device usb
device usb 0:1
1 bytes read in 231 ms (0 Bytes/s)
Found bootable drive on usb 0
loading uImage ...
3166793 bytes read in 375 ms (8.1 MiB/s)
loading uInitrd ...
7179935 bytes read in 448 ms (15.3 MiB/s)
loading DTB /boot/dts/kirkwood-goflexnet.dtb ...
11897 bytes read in 548 ms (20.5 KiB/s)
## Booting kernel from Legacy Image at 00800000 ...
Image Name: Linux-4.4.0-kirkwood-tld-1
Created: 2017-03-02 14:24:57 UTC
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 3166729 Bytes = 3 MiB
Load Address: 00008000
Entry Point: 00008000
Verifying Checksum ... OK
## Loading init Ramdisk from Legacy Image at 01100000 ...
Image Name: initramfs-4.4.0-kirkwood-tld-1
Created: 2016-02-19 7:33:04 UTC
Image Type: ARM Linux RAMDisk Image (gzip compressed)
Data Size: 7179871 Bytes = 6.8 MiB
Load Address: 00000000
Entry Point: 00000000
Verifying Checksum ... OK
## Flattened Device Tree blob at 01c00000
Booting using the fdt blob at 0x1c00000
Loading Kernel Image ... OK
Loading Ramdisk to 07439000, end 07b11e5f ... OK
Loading Device Tree to 07433000, end 07438e78 ... OK
Using machid 0x831 from environment

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 4.4.0-kirkwood-tld-1 (root@tldDebian) (gcc version 4.9.2 (Debian 4.9.2-10) ) #1 PREEMPT Mon Jan 25 20:35:24 PST 2016
[ 0.000000] CPU: Feroceon 88FR131 [56251311] revision 1 (ARMv5TE), cr=0005397f
[ 0.000000] CPU: VIVT data cache, VIVT instruction cache
[ 0.000000] Machine model: Seagate GoFlex Net
[ 0.000000] bootconsole [earlycon0] enabled
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32512
[ 0.000000] Kernel command line: console=ttyS0,115200n8 earlyprintk root=/dev/sda1 rootdelay=10
[ 0.000000] PID hash table entries: 512 (order: -1, 2048 bytes)
[ 0.000000] Dentry cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Inode-cache hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.000000] Memory: 120632K/131072K available (6007K kernel code, 573K rwdata, 1992K rodata, 296K init, 312K bss, 10440K reserved, 0K cma-reserved)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xc8800000 - 0xff800000 ( 880 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xc8000000 ( 128 MB)
[ 0.000000] modules : 0xbf000000 - 0xc0000000 ( 16 MB)
[ 0.000000] .text : 0xc0008000 - 0xc07d7ef4 (8000 kB)
[ 0.000000] .init : 0xc07d8000 - 0xc0822000 ( 296 kB)
[ 0.000000] .data : 0xc0822000 - 0xc08b169c ( 574 kB)
[ 0.000000] .bss : 0xc08b169c - 0xc08ff9d0 ( 313 kB)
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] Build-time adjustment of leaf fanout to 32.
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] clocksource: orion_clocksource: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 9556302233 ns
[ 0.000009] sched_clock: 32 bits at 200MHz, resolution 5ns, wraps every 10737418237ns
[ 0.008279] Console: colour dummy device 80x30
[ 0.012845] Calibrating delay loop... 1191.11 BogoMIPS (lpj=5955584)
[ 0.100932] pid_max: default: 32768 minimum: 301
[ 0.105755] Security Framework initialized
[ 0.110069] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.116815] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.124818] Initializing cgroup subsys io
[ 0.129002] Initializing cgroup subsys devices
[ 0.133573] Initializing cgroup subsys freezer
[ 0.138189] Initializing cgroup subsys net_cls
[ 0.142821] CPU: Testing write buffer coherency: ok
[ 0.148325] Setting up static identity map for 0x8200 - 0x8258
[ 0.154573] mvebu-soc-id: MVEBU SoC ID=0x6281, Rev=0x3
[ 0.163643] devtmpfs: initialized
[ 0.172236] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.182720] prandom: seed boundary self test passed
[ 0.191530] prandom: 100 self tests passed
[ 0.195756] pinctrl core: initialized pinctrl subsystem
[ 0.202541] NET: Registered protocol family 16
[ 0.207534] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.238052] cpuidle: using governor ladder
[ 0.268050] cpuidle: using governor menu
[ 0.272497] Feroceon L2: Enabling L2
[ 0.276212] Feroceon L2: Cache support initialised.
[ 0.281629] [Firmware Info]: /ocp@f1000000/ethernet-controller@72000/ethernet0-port@0: local-mac-address is not set
[ 0.297376] No ATAGs?
[ 0.329571] vgaarb: loaded
[ 0.333014] usbcore: registered new interface driver usbfs
[ 0.338744] usbcore: registered new interface driver hub
[ 0.344236] usbcore: registered new device driver usb
[ 0.350514] clocksource: Switched to clocksource orion_clocksource
[ 0.412591] NET: Registered protocol family 2
[ 0.417870] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.425090] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.431594] TCP: Hash tables configured (established 1024 bind 1024)
[ 0.438124] UDP hash table entries: 256 (order: 0, 4096 bytes)
[ 0.444107] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
[ 0.450706] NET: Registered protocol family 1
[ 0.455523] RPC: Registered named UNIX socket transport module.
[ 0.461605] RPC: Registered udp transport module.
[ 0.466417] RPC: Registered tcp transport module.
[ 0.471243] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.478179] NetWinder Floating Point Emulator V0.97 (double precision)
[ 0.485917] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.492257] audit: initializing netlink subsys (disabled)
[ 0.497808] audit: type=2000 audit(0.480:1): initialized
[ 0.503642] Initialise system trusted keyring
[ 0.508454] zbud: loaded
[ 0.511414] VFS: Disk quotas dquot_6.6.0
[ 0.515493] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.523168] NFS: Registering the id_resolver key type
[ 0.528357] Key type id_resolver registered
[ 0.532699] Key type id_legacy registered
[ 0.536836] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.543680] Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
[ 0.550369] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
[ 0.558072] Key type big_key registered
[ 0.573427] Key type asymmetric registered
[ 0.577641] Asymmetric key parser 'x509' registered
[ 0.582802] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[ 0.590332] io scheduler noop registered
[ 0.594546] io scheduler deadline registered
[ 0.598976] io scheduler cfq registered (default)
[ 0.605186] kirkwood-pinctrl f1010000.pin-controller: registered pinctrl driver
[ 0.613418] irq: Cannot allocate irq_descs @ IRQ33, assuming pre-allocated
[ 0.620867] irq: Cannot allocate irq_descs @ IRQ65, assuming pre-allocated
[ 0.628394] mv_xor f1060800.xor: Marvell shared XOR driver
[ 0.671207] mv_xor f1060800.xor: Marvell XOR (Registers Mode): ( xor cpy intr )
[ 0.678852] mv_xor f1060900.xor: Marvell shared XOR driver
[ 0.721205] mv_xor f1060900.xor: Marvell XOR (Registers Mode): ( xor cpy intr )
[ 0.729124] Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled
[ 0.737065] console [ttyS0] disabled
[ 0.740862] f1012000.serial: ttyS0 at MMIO 0xf1012000 (irq = 25, base_baud = 12500000) is a 16550A
[ 0.749988] console [ttyS0] enabled
[ 0.749988] console [ttyS0] enabled
[ 0.757125] bootconsole [earlycon0] disabled
[ 0.757125] bootconsole [earlycon0] disabled
[ 0.767291] nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xda
[ 0.773714] nand: Micron MT29F2G08AAD
[ 0.777394] nand: 256 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
[ 0.785024] Scanning device for bad blocks
[ 1.010775] libphy: Fixed MDIO Bus: probed
[ 1.015218] libphy: orion_mdio_bus: probed
[ 1.020071] mv643xx_eth: MV-643xx 10/100/1000 ethernet driver version 1.4
[ 2.101213] mv643xx_eth_port mv643xx_eth_port.0 eth0: port 0 with MAC address 00:10:75:26:6e:79
[ 2.110103] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 2.116721] ehci-pci: EHCI PCI platform driver
[ 2.121281] ehci-orion: EHCI orion driver
[ 2.125490] orion-ehci f1050000.ehci: EHCI Host Controller
[ 2.131063] orion-ehci f1050000.ehci: new USB bus registered, assigned bus number 1
[ 2.138920] orion-ehci f1050000.ehci: irq 29, io mem 0xf1050000
[ 2.160547] orion-ehci f1050000.ehci: USB 2.0 started, EHCI 1.00
[ 2.166830] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 2.173679] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 2.180951] usb usb1: Product: EHCI Host Controller
[ 2.185849] usb usb1: Manufacturer: Linux 4.4.0-kirkwood-tld-1 ehci_hcd
[ 2.192512] usb usb1: SerialNumber: f1050000.ehci
[ 2.197976] hub 1-0:1.0: USB hub found
[ 2.201831] hub 1-0:1.0: 1 port detected
[ 2.206759] mousedev: PS/2 mouse device common for all mice
[ 2.520548] usb 1-1: new high-speed USB device number 2 using orion-ehci
[ 2.678053] usb 1-1: New USB device found, idVendor=8564, idProduct=1000
[ 2.684818] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 2.692013] usb 1-1: Product: Mass Storage Device
[ 2.696741] usb 1-1: Manufacturer: JetFlash
[ 2.700968] usb 1-1: SerialNumber: RSAI4ECI
[ 3.220542] rtc-mv f1010300.rtc: internal RTC not ticking
[ 3.226188] i2c /dev entries driver
[ 3.232289] hidraw: raw HID events driver (C) Jiri Kosina
[ 3.238131] drop_monitor: Initializing network drop monitor service
[ 3.244723] NET: Registered protocol family 17
[ 3.249461] Key type dns_resolver registered
[ 3.254665] registered taskstats version 1
[ 3.258828] Loading compiled-in X.509 certificates
[ 3.263744] zswap: loaded using pool lzo/zbud
[ 3.269221] Key type encrypted registered
[ 3.273819] hctosys: unable to open rtc device (rtc0)
[ 3.280369] Waiting 10 sec before mounting root device...
[ 13.290727] VFS: Cannot open root device "sda1" or unknown-block(0,0): error -6
[ 13.298074] Please append a correct "root=" boot option; here are the available partitions:
[ 13.306522] 1f00 262144 mtdblock0 (driver?)
[ 13.311656] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[ 13.319957] CPU: 0 PID: 1 Comm: swapper Not tainted 4.4.0-kirkwood-tld-1 #1
[ 13.326945] Hardware name: Marvell Kirkwood (Flattened Device Tree)
[ 13.333272] [<c0016784>] (unwind_backtrace) from [<c00129f8>] (show_stack+0x10/0x14)
[ 13.341056] [<c00129f8>] (show_stack) from [<c00c2200>] (panic+0x80/0x214)
[ 13.347972] [<c00c2200>] (panic) from [<c07d9280>] (mount_block_root+0x204/0x24c)
[ 13.355494] [<c07d9280>] (mount_block_root) from [<c07d93b4>] (mount_root+0xec/0x118)
[ 13.363367] [<c07d93b4>] (mount_root) from [<c07d9504>] (prepare_namespace+0x124/0x184)
[ 13.371407] [<c07d9504>] (prepare_namespace) from [<c07d8e9c>] (kernel_init_freeable+0x208/0x258)
[ 13.380325] [<c07d8e9c>] (kernel_init_freeable) from [<c05b16b4>] (kernel_init+0x8/0xe4)
[ 13.388458] [<c05b16b4>] (kernel_init) from [<c000f090>] (ret_from_fork+0x14/0x24)
[ 13.396069] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)