Hi,
My customer made own board based on AM437x starter kit.
When customer tried to boot from SD card, Karnel panic occurred.
The below is boot log.
---------------------------------------------
・[ 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 4.1.6-g52c4aa7 (root@ubuntu-VirtualBox) (gcc version 4.9.3 20150413 (prerelease) (Linaro GCC 4.9-2015.05) ) #3 PREEMPT Tue Dec 6 18:17:41 JST 2016
[ 0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] Machine model: TI AM437x SK EVM
[ 0.000000] cma: Reserved 24 MiB at 0xbe800000
[ 0.000000] Memory policy: Data cache writeback
[ 0.000000] CPU: All CPU(s) started in SVC mode.
[ 0.000000] AM437x ES1.2 (neon )
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 260434
[ 0.000000] Kernel command line: console=ttyO0,115200n8 video=HDMI-A-1:800x600 root=PARTUUID=00000000-02 rw rootfstype=ext4 rootwait
[ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Memory: 1004580K/1048576K available (6263K kernel code, 261K rwdata, 2104K rodata, 268K init, 231K bss, 19420K reserved, 24576K cma-reserved, 245760K highmem)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xf0000000 - 0xff000000 ( 240 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xef800000 ( 760 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0xc0008000 - 0xc083405c (8369 kB)
[ 0.000000] .init : 0xc0835000 - 0xc0878000 ( 268 kB)
[ 0.000000] .data : 0xc0878000 - 0xc08b9468 ( 262 kB)
[ 0.000000] .bss : 0xc08bc000 - 0xc08f5c38 ( 232 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] Additional per-CPU info printed with stalls.
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] L2C: platform modifies aux control register: 0x0e030000 -> 0x3e430000
[ 0.000000] L2C: DT/platform modifies aux control register: 0x0e030000 -> 0x3e430000
[ 0.000000] L2C-310 enabling early BRESP for Cortex-A9
[ 0.000000] OMAP L2C310: ROM does not support power control setting
[ 0.000000] L2C-310 ID prefetch enabled, offset 1 lines
[ 0.000000] L2C-310 dynamic clock gating disabled, standby mode disabled
[ 0.000000] L2C-310 cache controller enabled, 16 ways, 256 kB
[ 0.000000] L2C-310: CACHE_ID 0x410000c9, AUX_CTRL 0x7e430000
[ 0.000000] OMAP clockevent source: timer2 at 24000000 Hz
[ 0.000011] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[ 0.000027] clocksource timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[ 0.000036] OMAP clocksource: timer1 at 24000000 Hz
[ 0.000172] Console: colour dummy device 80x30
[ 0.000195] WARNING: Your 'console=ttyO0' has been replaced by 'ttyS0'
[ 0.000200] This ensures that you still see kernel messages. Please
[ 0.000204] update your kernel commandline.
[ 0.000220] Calibrating delay loop... 1993.93 BogoMIPS (lpj=9969664)
[ 0.059325] pid_max: default: 32768 minimum: 301
[ 0.059421] Security Framework initialized
[ 0.059460] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.059469] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.060106] Initializing cgroup subsys blkio
[ 0.060128] Initializing cgroup subsys memory
[ 0.060175] Initializing cgroup subsys devices
[ 0.060190] Initializing cgroup subsys freezer
[ 0.060203] Initializing cgroup subsys perf_event
[ 0.060230] CPU: Testing write buffer coherency: ok
[ 0.060569] Setting up static identity map for 0x80008200 - 0x80008270
[ 0.062042] devtmpfs: initialized
[ 0.070996] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
[ 0.081964] omap_hwmod: tptc0 using broken dt data from edma
[ 0.082073] omap_hwmod: tptc1 using broken dt data from edma
[ 0.082162] omap_hwmod: tptc2 using broken dt data from edma
[ 0.149017] omap_hwmod: rtc: _wait_target_disable failed
[ 0.149349] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.151084] pinctrl core: initialized pinctrl subsystem
[ 0.152145] NET: Registered protocol family 16
[ 0.153412] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.179369] cpuidle: using governor ladder
[ 0.209359] cpuidle: using governor menu
[ 0.209734] of_device_add soc
[ 0.209886] of_device_add soc:mpu
[ 0.210078] of_device_add 48241000.interrupt-controller
[ 0.210206] of_device_add 48281000.interrupt-controller
[ 0.210319] of_device_add 48242000.l2-cache-controller
[ 0.210492] of_device_add 44000000.ocp
[ 0.210757] omap_l3_noc 44000000.ocp: L3 debug error: target 8 mod:0 (unclearable)
[ 0.210778] omap_l3_noc 44000000.ocp: L3 debug error: target 13 mod:1 (unclearable)
[ 0.210817] omap_l3_noc 44000000.ocp: L3 application error: target 8 mod:0 (unclearable)
[ 0.210830] ------------[ cut here ]------------
[ 0.210848] WARNING: CPU: 0 PID: 1 at drivers/bus/omap_l3_noc.c:147 l3_interrupt_handler+0x220/0x34c()
[ 0.210856] 44000000.ocp:L3 Custom Error: MASTER M2 (64-bit) TARGET L4_WKUP (Read): Data Access in User mode during Functional access
[ 0.210862] Modules linked in:
[ 0.210877] CPU: 0 PID: 1 Comm: swapper Not tainted 4.1.6-g52c4aa7 #3
[ 0.210883] Hardware name: Generic AM43 (Flattened Device Tree)
[ 0.210889] Backtrace:
[ 0.210916] [<c0012b70>] (dump_backtrace) from [<c0012d90>] (show_stack+0x18/0x1c)
[ 0.210921] r7:c07b3f0c r6:00000093 r5:00000009 r4:00000000
[ 0.210944] [<c0012d78>] (show_stack) from [<c061d190>] (dump_stack+0x20/0x28)
[ 0.210962] [<c061d170>] (dump_stack) from [<c0039e60>] (warn_slowpath_common+0x7c/0xb4)
[ 0.210973] [<c0039de4>] (warn_slowpath_common) from [<c0039ed0>] (warn_slowpath_fmt+0x38/0x40)
[ 0.210978] r8:c07b3f94 r7:c0652d88 r6:ee8de4d0 r5:c07b3e38 r4:c07b3edc
[ 0.210996] [<c0039e9c>] (warn_slowpath_fmt) from [<c030c4c8>] (l3_interrupt_handler+0x220/0x34c)
[ 0.211000] r3:ee8de2c0 r2:c07b3edc
[ 0.211007] r4:80080003
[ 0.211023] [<c030c2a8>] (l3_interrupt_handler) from [<c006c748>] (handle_irq_event_percpu+0x7c/0x148)
[ 0.211028] r10:c08b8c5b r9:ee8da840 r8:00000013 r7:00000000 r6:00000000 r5:ee8de840
[ 0.211042] r4:ee8de840
[ 0.211053] [<c006c6cc>] (handle_irq_event_percpu) from [<c006c87c>] (handle_irq_event+0x68/0x90)
[ 0.211057] r10:00000013 r9:00000000 r8:ee808000 r7:00000001 r6:00000000 r5:ee8de840
[ 0.211070] r4:ee8da840
[ 0.211083] [<c006c814>] (handle_irq_event) from [<c006f200>] (handle_fasteoi_irq+0xb8/0x1e8)
[ 0.211088] r5:c087f480 r4:ee8da840
[ 0.211101] [<c006f148>] (handle_fasteoi_irq) from [<c006be70>] (generic_handle_irq+0x30/0x44)
[ 0.211106] r5:c089321c r4:00000013
[ 0.211118] [<c006be40>] (generic_handle_irq) from [<c006c0d0>] (__handle_domain_irq+0x50/0xb0)
[ 0.211123] r5:c089321c r4:00000013
[ 0.211135] [<c006c080>] (__handle_domain_irq) from [<c00094a8>] (gic_handle_irq+0x28/0x60)
[ 0.211139] r9:00000000 r8:60000113 r7:fa240100 r6:c087a48c r5:ee863ba8 r4:fa24010c
[ 0.211163] [<c0009480>] (gic_handle_irq) from [<c06225c0>] (__irq_svc+0x40/0x74)
[ 0.211170] Exception stack(0xee863ba8 to 0xee863bf0)
[ 0.211178] 3ba0: ee8da840 ee8de840 00000000 00000000 ee8da840 ee8de840
[ 0.211187] 3bc0: ee8da840 00000013 60000113 00000000 00000013 ee863c1c ee863bf0 ee863bf0
[ 0.211194] 3be0: c006dd3c c006db94 60000113 ffffffff
[ 0.211198] r7:ee863bdc r6:ffffffff r5:60000113 r4:c006db94
[ 0.211214] [<c006d914>] (__setup_irq) from [<c006e004>] (request_threaded_irq+0xc4/0x154)
[ 0.211219] r9:00000000 r8:ee8de4d0 r7:c030c2a8 r6:ee8da840 r5:00000000 r4:ee8de840
[ 0.211239] [<c006df40>] (request_threaded_irq) from [<c0070200>] (devm_request_threaded_irq+0x5c/0xa4)
[ 0.211244] r10:00000002 r9:ee8d9e10 r8:00000000 r7:00000013 r6:ee8de4d0 r5:ee8de810
[ 0.211256] r4:c030c2a8 r3:00000000
[ 0.211269] [<c00701a4>] (devm_request_threaded_irq) from [<c030c1f8>] (omap_l3_probe+0x1cc/0x27c)
[ 0.211274] r9:ee8de4d0 r8:ee8d9e10 r7:c08e50f4 r6:ee8de4d0 r5:c08e50f4 r4:00000000
[ 0.211297] [<c030c02c>] (omap_l3_probe) from [<c0406934>] (platform_drv_probe+0x4c/0xac)
[ 0.211302] r10:00000000 r9:00000000 r8:00000000 r7:fffffdfb r6:c08937ac r5:ee8d9e10
[ 0.211314] r4:c08ed1c0
[ 0.211325] [<c04068e8>] (platform_drv_probe) from [<c0404f30>] (driver_probe_device+0x17c/0x2c0)
[ 0.211330] r7:c08937ac r6:00000000 r5:ee8d9e10 r4:c08ed1c0
[ 0.211344] [<c0404db4>] (driver_probe_device) from [<c04050bc>] (__device_attach+0x48/0x4c)
[ 0.211349] r9:00000000 r8:c08ed19c r7:00000000 r6:c0405074 r5:ee8d9e10 r4:c08937ac
[ 0.211378] [<c0405074>] (__device_attach) from [<c0403348>] (bus_for_each_drv+0x6c/0xa0)
[ 0.211383] r5:ee8d9e10 r4:00000000
[ 0.211395] [<c04032dc>] (bus_for_each_drv) from [<c0404d74>] (device_attach+0x78/0x90)
[ 0.211399] r6:ee8d9e44 r5:ee8d9e10 r4:ee8d9e10
[ 0.211412] [<c0404cfc>] (device_attach) from [<c04043d0>] (bus_probe_device+0x8c/0xb4)
[ 0.211416] r7:00000000 r6:c08a0fa8 r5:ee8d9e10 r4:ee8d9e18
[ 0.211432] [<c0404344>] (bus_probe_device) from [<c04024f4>] (device_add+0x3c4/0x570)
[ 0.211436] r7:00000000 r6:ee8d9e10 r5:c08a0e48 r4:ee8d9e18
[ 0.211460] [<c0402130>] (device_add) from [<c04eb738>] (of_device_add+0x44/0x54)
[ 0.211465] r10:00000000 r9:00000000 r8:c0872c5c r7:ee8d9e10 r6:00000000 r5:eeed44fc
[ 0.211477] r4:ee8d9e00
[ 0.211489] [<c04eb6f4>] (of_device_add) from [<c04ebf8c>] (of_platform_device_create_pdata+0x84/0xc8)
[ 0.211493] r5:eeed44fc r4:ee8d9e00
[ 0.211506] [<c04ebf08>] (of_platform_device_create_pdata) from [<c04ec0d4>] (of_platform_bus_create+0xe8/0x194)
[ 0.211511] r7:00000001 r6:c086c1d8 r5:eeed44fc r4:00000000
[ 0.211527] [<c04ebfec>] (of_platform_bus_create) from [<c04ec2bc>] (of_platform_populate+0x64/0xc0)
[ 0.211531] r10:00000000 r9:00000001 r8:00000000 r7:c086c1d8 r6:c0872c5c r5:eeed3450
[ 0.211544] r4:eeed44fc
[ 0.211556] [<c04ec258>] (of_platform_populate) from [<c0844418>] (pdata_quirks_init+0x3c/0x4c)
[ 0.211561] r9:c086ac38 r8:c08bc000 r7:ee8dbcc0 r6:c087cc60 r5:c0872c5c r4:c086c1d0
[ 0.211578] [<c08443dc>] (pdata_quirks_init) from [<c08443d0>] (omap_generic_init+0x18/0x24)
[ 0.211582] r5:c08387f4 r4:c087cc60
[ 0.211594] [<c08443b8>] (omap_generic_init) from [<c083881c>] (customize_machine+0x28/0x4c)
[ 0.211604] [<c08387f4>] (customize_machine) from [<c00096c4>] (do_one_initcall+0x88/0x1e0)
[ 0.211625] [<c000963c>] (do_one_initcall) from [<c0835e78>] (kernel_init_freeable+0x178/0x240)
[ 0.211630] r10:c08355e8 r9:c086ac38 r8:c08bc000 r7:c0876be4 r6:c08bc000 r5:c086ac24
[ 0.211643] r4:00000003
[ 0.211654] [<c0835d00>] (kernel_init_freeable) from [<c061a220>] (kernel_init+0x10/0xf4)
[ 0.211659] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c061a210
[ 0.211671] r4:00000000
[ 0.211684] [<c061a210>] (kernel_init) from [<c000f988>] (ret_from_fork+0x14/0x2c)
[ 0.211688] r5:c061a210 r4:00000000
[ 0.211716] ---[ end trace 71a80298ab8eafc9 ]---
[ 0.211735] omap_l3_noc 44000000.ocp: L3 application error: target 13 mod:1 (unclearable)
[ 0.211820] of_device_add 44000000.ocp:l4_wkup@44c00000
[ 0.211986] of_device_add 44d00000.wkup_m3
[ 0.212176] of_device_add 44df0000.prcm
[ 0.212297] of_device_add 44e10000.scm
[ 0.212428] of_device_add 44e10800.pinmux
[ 0.212545] of_device_add 44e10000.scm_conf
[ 0.212699] of_device_add 44e11324.wkup_m3_ipc
[ 0.212816] of_device_add 4c000000.emif
[ 0.213022] of_device_add 49000000.edma
[ 0.213219] of_device_add 48022000.serial
[ 0.213403] of_device_add 480c8000.mailbox
[ 0.213590] of_device_add 44e86000.counter
[ 0.213782] of_device_add 44e3e000.rtc
[ 0.213961] of_device_add 44e35000.wdt
[ 0.214135] of_device_add 44e07000.gpio
[ 0.214575] OMAP GPIO hardware version 0.1
[ 0.214827] of_device_add 4804c000.gpio
[ 0.215399] of_device_add 48322000.gpio
[ 0.215893] of_device_add 480ca000.spinlock
[ 0.216177] of_device_add 44e0b000.i2c
[ 0.216382] of_device_add 4802a000.i2c
[ 0.216571] of_device_add 48060000.mmc
[ 0.216825] of_device_add 4a100000.ethernet
[ 0.216980] of_device_add 48300000.epwmss
[ 0.217211] of_device_add 53100000.sham
[ 0.217383] of_device_add 53501000.aes
[ 0.217540] of_device_add 53701000.des
[ 0.217689] of_device_add 56000000.sgx
[ 0.217854] of_device_add 48310000.rng
[ 0.218112] of_device_add 54400000.pruss
[ 0.218259] of_device_add 4803c000.mcasp
[ 0.218425] of_device_add 48080000.elm
[ 0.218571] of_device_add 44e10620.control-phy
[ 0.218680] of_device_add 44e10628.control-phy
[ 0.218778] of_device_add 44000000.ocp:ocp2scp@483a8000
[ 0.218912] of_device_add 44000000.ocp:ocp2scp@483e8000
[ 0.219090] of_device_add 48380000.omap_dwc3
[ 0.219242] of_device_add 483c0000.omap_dwc3
[ 0.219621] of_device_add 47900000.qspi
[ 0.219812] of_device_add 4832a000.dss
[ 0.219993] of_device_add 40300000.ocmcram
[ 0.220230] of_device_add 48326000.vpfe
[ 0.220367] of_device_add backlight
[ 0.220468] of_device_add sound
[ 0.220577] of_device_add matrix_keypad@0
[ 0.220667] of_device_add leds
[ 0.220755] of_device_add display
[ 0.221438] of_device_add 4832a400.dispc
[ 0.221877] No ATAGs?
[ 0.221904] hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
[ 0.221911] hw-breakpoint: maximum watchpoint size is 4 bytes.
[ 0.255791] edma-dma-engine edma-dma-engine.0: TI EDMA DMA engine driver
[ 0.258241] vgaarb: loaded
[ 0.258671] SCSI subsystem initialized
[ 0.259146] omap_i2c 44e0b000.i2c: could not find pctldev for node /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/i2c0_pins, deferring probe
[ 0.259191] omap_i2c 4802a000.i2c: could not find pctldev for node /ocp/l4_wkup@44c00000/scm@210000/pinmux@800/i2c1_pins, deferring probe
[ 0.259316] pps_core: LinuxPPS API ver. 1 registered
[ 0.259323] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.259433] PTP clock support registered
[ 0.260074] omap-mailbox 480c8000.mailbox: omap mailbox rev 0x400
[ 0.260310] Advanced Linux Sound Architecture Driver Initialized.
[ 0.260944] Switched to clocksource timer1
[ 0.268749] NET: Registered protocol family 2
[ 0.269500] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.269574] TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.269647] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.269793] UDP hash table entries: 512 (order: 1, 8192 bytes)
[ 0.269814] UDP-Lite hash table entries: 512 (order: 1, 8192 bytes)
[ 0.269970] NET: Registered protocol family 1
[ 0.270288] RPC: Registered named UNIX socket transport module.
[ 0.270299] RPC: Registered udp transport module.
[ 0.270304] RPC: Registered tcp transport module.
[ 0.270309] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.272159] futex hash table entries: 256 (order: -1, 3072 bytes)
[ 0.272236] audit: initializing netlink subsys (disabled)
[ 0.272286] audit: type=2000 audit(0.260:1): initialized
[ 0.277462] VFS: Disk quotas dquot_6.6.0
[ 0.277638] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.279197] NFS: Registering the id_resolver key type
[ 0.279249] Key type id_resolver registered
[ 0.279258] Key type id_legacy registered
[ 0.279322] jffs2: version 2.2. (NAND) (SUMMARY) c 2001-2006 Red Hat, Inc.
[ 0.281588] NET: Registered protocol family 38
[ 0.281679] bounce: pool size: 64 pages
[ 0.281694] io scheduler noop registered
[ 0.281705] io scheduler deadline registered
[ 0.281763] io scheduler cfq registered (default)
[ 0.282082] of_device_add 483a8000.phy
[ 0.282390] of_device_add 483e8000.phy
[ 0.283415] pinctrl-single 44e10800.pinmux: 199 pins at pa f9e10800 size 796
[ 0.284044] of_device_add 48300100.ecap
[ 0.285178] backlight supply power not found, using dummy regulator
[ 0.286635] 4832a000.dss supply vdda_video not found, using dummy regulator
[ 0.286758] OMAP DSS rev 2.0
[ 0.287072] omapdss_dss 4832a000.dss: bound 4832a400.dispc (ops dispc_component_ops)
[ 0.288743] wkup_m3_ipc 44e11324.wkup_m3_ipc: could not get rproc handle
[ 0.289583] Serial: 8250/16550 driver, 10 ports, IRQ sharing enabled
[ 0.292067] omap8250 48022000.serial: No clock speed specified: using default: 48000000
[ 0.292496] 48022000.serial: ttyS0 at MMIO 0x48022000 (irq = 25, base_baud = 3000000) is a 8250
[ 1.816153] console [ttyS0] enabled
[ 1.820521] [drm] Initialized drm 1.1.0 20060810
[ 1.835142] brd: module loaded
[ 1.842738] loop: module loaded
[ 1.846701] mtdoops: mtd device (mtddev=name/number) must be supplied
[ 1.855291] mousedev: PS/2 mouse device common for all mice
[ 1.860876] i2c /dev entries driver
[ 1.865341] omap_hsmmc 48060000.mmc: Got CD GPIO
[ 1.891342] ledtrig-cpu: registered to indicate activity on CPUs
[ 1.897603] omap-aes 53501000.aes: OMAP AES hw accel rev: 0.1
[ 1.904409] omap-des 53701000.des: OMAP DES hw accel rev: 0.33
[ 1.911308] omap-sham 53100000.sham: hw accel on OMAP rev 0.0
[ 1.918833] remoteproc0: wkup_m3 is available
[ 1.923450] remoteproc0: Note: remoteproc is still under development and considered experimental.
[ 1.932542] remoteproc0: THE BINARY FORMAT IS NOT YET FINALIZED, and backward compatibility isn't yet guaranteed.
[ 1.943039] remoteproc0: Direct firmware load for am335x-pm-firmware.elf failed with error -2
[ 1.953768] oprofile: no performance counters
[ 1.958226] oprofile: using timer interrupt.
[ 1.962641] remoteproc0: Falling back to user helper
[ 1.968074] Initializing XFRM netlink socket
[ 1.972450] NET: Registered protocol family 17
[ 1.976921] NET: Registered protocol family 15
[ 1.981484] Key type dns_resolver registered
[ 1.985915] omap_voltage_late_init: Voltage driver support not added
[ 1.992706] ThumbEE CPU extension supported.
[ 1.996989] Registering SWP/SWPB emulation handler
[ 2.004125] omapdrm omapdrm.0: DMM not available, disable DMM support
[ 2.011427] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 2.018038] [drm] No driver support for vblank timestamp query.
[ 2.063725] Console: switching to colour frame buffer device 60x34
[ 2.086601] omapdrm omapdrm.0: fb0: omapdrm frame buffer device
[ 2.092523] omapdrm omapdrm.0: registered panic notifier
[ 2.120978] [drm] Initialized omapdrm 1.0.0 20110917 on minor 0
[ 2.143249] of_device_add 44e0b000.i2c:tps@24:regulator-dcdc1
[ 2.151678] of_device_add 44e0b000.i2c:tps@24:regulator-dcdc2
[ 2.159092] of_device_add 44e0b000.i2c:tps@24:regulator-dcdc3
[ 2.168300] of_device_add 44e0b000.i2c:tps@24:regulator-dcdc4
[ 2.175720] of_device_add 44e0b000.i2c:tps@24:regulator-dcdc5
[ 2.183728] of_device_add 44e0b000.i2c:tps@24:regulator-dcdc6
[ 2.191252] of_device_add 44e0b000.i2c:tps@24:regulator-ldo1
[ 2.199464] of_device_add 44e0b000.i2c:tps@24:power-button
[ 2.205519] omap_i2c 44e0b000.i2c: bus 0 rev0.12 at 100 kHz
[ 2.212456] omap_i2c 4802a000.i2c: bus 1 rev0.12 at 400 kHz
[ 2.219077] omap_hsmmc 48060000.mmc: Got CD GPIO
[ 2.262035] of_device_add 4a101000.mdio
[ 2.320969] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
[ 2.327062] davinci_mdio 4a101000.mdio: detected phy mask ffffff3f
[ 2.334556] libphy: 4a101000.mdio: probed
[ 2.338576] davinci_mdio 4a101000.mdio: phy[6]: device 4a101000.mdio:06, driver unknown
[ 2.346650] davinci_mdio 4a101000.mdio: phy[7]: device 4a101000.mdio:07, driver unknown
[ 2.354791] of_device_add 44e10650.cpsw-phy-sel
[ 2.359977] cpsw 4a100000.ethernet: Detected MACID = a0:f6:fd:6d:f0:a5
[ 2.367436] cpsw 4a100000.ethernet: cpsw: Detected MACID = a0:f6:fd:6d:f0:a7
[ 2.375364] hctosys: unable to open rtc device (rtc0)
[ 2.384234] ALSA device list:
[ 2.387289] mmc0: host does not support reading read-only switch, assuming write-enable
[ 2.395378] No soundcards found.
[ 2.399268] Waiting for root device PARTUUID=00000000-02...
[ 2.409207] mmc0: new high speed SDHC card at address e624
[ 2.415209] mmcblk0: mmc0:e624 SU08G 7.40 GiB
[ 2.421344] mmcblk0: p1 p2
[ 2.544262] EXT4-fs (mmcblk0p2): recovery complete
[ 2.549070] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 2.557272] VFS: Mounted root (ext4 filesystem) on device 179:2.
[ 2.567244] devtmpfs: mounted
[ 2.570684] Freeing unused kernel memory: 268K (c0835000 - c0878000)
[ 2.615602] Unhandled fault: imprecise external abort (0x1406) at 0xb6f06888
[ 2.622649] pgd = ee03c000
[ 2.625346] [b6f06888] *pgd=ae01a831, *pte=be00e34f, *ppte=be00e83f
[ 2.631988] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007
[ 2.631988]
[ 2.641110] drm_kms_helper: panic occurred, switching back to text console
[ 2.647995] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000007
[ 2.647995]
----------------------------------------------
According to my customer's info, kernel panic is occurred in "of_device_add()" in drivers/ of/device.c while Linux Init.
Why does karnel panic occur? Please give me some advices.
I appreciate your quick reply.
Best regards,
Michi
