I’m trying to boot the 4.4.3 kernel from https://github.com/beagleboard/linux/tree/4.4 on a beaglebone white and the kernel stops the boot after ‘Waiting for root device’
The MMC* and REGULATOR* options are enabled:
CONFIG_MMC=y
CONFIG_MMC_BLOCK=y
CONFIG_MMC_BLOCK_MINORS=16
CONFIG_MMC_BLOCK_BOUNCE=y
CONFIG_MMC_OMAP=y
CONFIG_MMC_OMAP_HS=y
CONFIG_REGULATOR=y
CONFIG_REGULATOR_FIXED_VOLTAGE=y
CONFIG_REGULATOR_USERSPACE_CONSUMER=y
CONFIG_REGULATOR_ACT8865=m
CONFIG_REGULATOR_ANATOP=y
CONFIG_REGULATOR_AS3722=y
CONFIG_REGULATOR_AXP20X=y
CONFIG_REGULATOR_DA9052=y
CONFIG_REGULATOR_DA9063=y
CONFIG_REGULATOR_FAN53555=m
CONFIG_REGULATOR_GPIO=y
CONFIG_REGULATOR_MC13XXX_CORE=m
CONFIG_REGULATOR_MC13783=m
CONFIG_REGULATOR_MC13892=m
CONFIG_REGULATOR_MT6311=y
CONFIG_REGULATOR_PALMAS=y
CONFIG_REGULATOR_PBIAS=y
CONFIG_REGULATOR_PFUZE100=y
CONFIG_REGULATOR_PWM=y
CONFIG_REGULATOR_S2MPA01=m
CONFIG_REGULATOR_S2MPS11=m
CONFIG_REGULATOR_S5M8767=m
CONFIG_REGULATOR_TI_ABB=y
CONFIG_REGULATOR_TPS65023=y
CONFIG_REGULATOR_TPS6507X=y
CONFIG_REGULATOR_TPS65217=y
CONFIG_REGULATOR_TPS65218=y
CONFIG_REGULATOR_TPS65910=y
CONFIG_REGULATOR_TWL4030=y
CONFIG_REGULATOR_VEXPRESS=m
The config is generated from bb.org_defconfig.
The full boot log is:
Booting kernel from Legacy Image at 82000000 …
Image Name: Linux-4.4.3+
Image Type: ARM Linux Kernel Image (no loading done) (uncompressed)
Data Size: 8112968 Bytes = 7.7 MiB
Load Address: fffffff2
Entry Point: fffffff2
Verifying Checksum … OK
Flattened Device Tree blob at 88000000
Booting using the fdt blob at 0x88000000
XIP Kernel Image (no loading done) … OK
Using Device Tree in place at 88000000, end 88010cb3
Starting 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 4.4.3+ () (gcc version 4.9.x-google 20150123 (prerelease) (4.9.2_cos_gg_21201ea_4.9.2-r116) ) #30 Tue Mar 8 17:27:58 PST 2016
[ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] Machine model: TI AM335x BeagleBone
[ 0.000000] cma: Reserved 24 MiB at 0x8e800000
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] AM335X ES1.0 (sgx neon )
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 64960
[ 0.000000] Kernel command line: console=ttyO0,115200n8 loglevel=7 init=/sbin/init cros_legacy cros_debug oops=panic panic=-1 noinitrd vt.global_cursor_default=0 capemgr.enable_partno=BB-UART1,BB-UART2,BB-UART4,BB-UART5,bone-servo-gpios,bone-servo-spi1 root=/dev/mmcblk0p3 ro rootfstype=ext4 rootwait
[ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[ 0.000000] Memory: 218028K/262144K available (10677K kernel code, 836K rwdata, 3704K rodata, 592K init, 857K bss, 19540K reserved, 24576K cma-reserved, 0K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xd0800000 - 0xff800000 ( 752 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc0e1370c (14382 kB)
[ 0.000000] .init : 0xc0e14000 - 0xc0ea8000 ( 592 kB)
[ 0.000000] .data : 0xc0ea8000 - 0xc0f791c8 ( 837 kB)
[ 0.000000] .bss : 0xc0f7d000 - 0xc1053514 ( 858 kB)
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts
[ 0.000000] OMAP clockevent source: timer2 at 24000000 Hz
[ 0.000021] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[ 0.000050] clocksource: timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[ 0.000068] OMAP clocksource: timer1 at 24000000 Hz
[ 0.000470] Console: colour dummy device 80x30
[ 0.000515] WARNING: Your ‘console=ttyO0’ has been replaced by ‘ttyS0’
[ 0.000525] This ensures that you still see kernel messages. Please
[ 0.000534] update your kernel commandline.
[ 0.000559] Calibrating delay loop… 548.86 BogoMIPS (lpj=2744320)
[ 0.048563] pid_max: default: 32768 minimum: 301
[ 0.048750] Security Framework initialized
[ 0.048769] Yama: becoming mindful.
[ 0.048821] AppArmor: AppArmor disabled by boot time parameter
[ 0.049088] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.049105] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[ 0.050234] Initializing cgroup subsys io
[ 0.050275] Initializing cgroup subsys memory
[ 0.050329] Initializing cgroup subsys devices
[ 0.050352] Initializing cgroup subsys freezer
[ 0.050387] Initializing cgroup subsys net_cls
[ 0.050407] Initializing cgroup subsys perf_event
[ 0.050427] Initializing cgroup subsys net_prio
[ 0.050448] Initializing cgroup subsys pids
[ 0.050522] CPU: Testing write buffer coherency: ok
[ 0.050598] ftrace: allocating 31771 entries in 94 pages
[ 0.204559] Setting up static identity map for 0x80008200 - 0x80008258
[ 0.212365] devtmpfs: initialized
[ 0.236406] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
[ 0.258482] omap_hwmod: debugss: _wait_target_disable failed
[ 0.316406] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.319786] xor: measuring software checksum speed
[ 0.418511] arm4regs : 670.800 MB/sec
[ 0.518506] 8regs : 601.200 MB/sec
[ 0.618507] 32regs : 599.600 MB/sec
[ 0.718505] neon : 967.600 MB/sec
[ 0.718517] xor: using function: neon (967.600 MB/sec)
[ 0.718626] pinctrl core: initialized pinctrl subsystem
[ 0.721372] NET: Registered protocol family 16
[ 0.725267] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.734367] OMAP GPIO hardware version 0.1
[ 0.749607] No ATAGs?
[ 0.749650] hw-breakpoint: debug architecture 0x4 unsupported.
[ 0.928636] raid6: int32x1 gen() 128 MB/s
[ 1.098521] raid6: int32x1 xor() 95 MB/s
[ 1.268872] raid6: int32x2 gen() 165 MB/s
[ 1.438707] raid6: int32x2 xor() 112 MB/s
[ 1.608832] raid6: int32x4 gen() 163 MB/s
[ 1.778551] raid6: int32x4 xor() 109 MB/s
[ 1.948595] raid6: int32x8 gen() 169 MB/s
[ 2.118633] raid6: int32x8 xor() 98 MB/s
[ 2.288512] raid6: neonx1 gen() 805 MB/s
[ 2.458524] raid6: neonx1 xor() 466 MB/s
[ 2.628530] raid6: neonx2 gen() 1039 MB/s
[ 2.798546] raid6: neonx2 xor() 645 MB/s
[ 2.968513] raid6: neonx4 gen() 1064 MB/s
[ 3.138526] raid6: neonx4 xor() 665 MB/s
[ 3.308510] raid6: neonx8 gen() 541 MB/s
[ 3.478535] raid6: neonx8 xor() 407 MB/s
[ 3.478548] raid6: using algorithm neonx4 gen() 1064 MB/s
[ 3.478558] raid6: … xor() 665 MB/s, rmw enabled
[ 3.478568] raid6: using intx1 recovery algorithm
[ 3.491647] edma 49000000.edma: TI EDMA DMA engine driver
[ 3.498697] SCSI subsystem initialized
[ 3.499681] usbcore: registered new interface driver usbfs
[ 3.499792] usbcore: registered new interface driver hub
[ 3.499917] usbcore: registered new device driver usb
[ 3.500727] omap_i2c 44e0b000.i2c: could not find pctldev for node /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c0_pins, deferring probe
[ 3.500796] omap_i2c 4819c000.i2c: could not find pctldev for node /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/pinmux_i2c2_pins, deferring probe
[ 3.500946] media: Linux media interface: v0.10
[ 3.501053] Linux video capture interface: v2.00
[ 3.501209] pps_core: LinuxPPS API ver. 1 registered