Hi Javier, On Wednesday 25 May 2016 08:32 PM, Javier Martinez Canillas wrote: > Hello Pankaj, > > On 05/25/2016 04:33 AM, pankaj.dubey wrote: >> Hi Javier, >> >>> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx> >> >> Just noticed that, current krzk/for-next failed to boot on Exynos5880 >> based Chromebook device. Git bisect is showing culprit as this patch. > > Strange, krzk/for-next boots correctly on my Exynos5800 Peach Pi: > > $ git log --pretty=oneline --abbrev-commit HEAD > 35e691cf5165 Merge branch 'fixes-v4.7' into for-next > This is same as mine. My other build parameters are: defconfig: exynos_defconfig CROSS_COMPILE: gcc-linaro-arm-linux-gnueabihf-4.9-2014.09_linux rootfs: small cramfs > $ uname -r > 4.6.0-00073-g35e691cf5165 > >> When I reverted this patch, its able to boot normally. >> Is there any missing patches that we need to take on krzk/for-next to >> boot on Chromebook. >> > Further I checked that, either I revert this patch OR do not reserve memory for MFC in exynos_reserve using following changes, both cases I am able to boot kernel on Chromebook (Exynos5800). diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c index f977eea..e615e24 100644 --- a/arch/arm/mach-exynos/exynos.c +++ b/arch/arm/mach-exynos/exynos.c @@ -268,7 +268,7 @@ static char const *const exynos_dt_compat[] __initconst = { static void __init exynos_reserve(void) { -#ifdef CONFIG_S5P_DEV_MFC +#ifndef CONFIG_S5P_DEV_MFC int i; char *mfc_mem[] = { "samsung,mfc-v5", @@ -280,6 +280,8 @@ static void __init exynos_reserve(void) for (i = 0; i < ARRAY_SIZE(mfc_mem); i++) if (of_scan_flat_dt(s5p_fdt_alloc_mfc_mem, mfc_mem[i])) break; +#else + pr_err("*****exynos_reserve Bypassing Memory Reservation for MFC ********\n"); #endif } > No that I'm aware of. I wonder why it boots for me but fails for > you. Can you please share your complete boot log to see if there > are any hints there? > Following is failed boot log: U-Boot 2013.04-g8e3e5ef (May 26 2015 - 16:11:36) for Peach CPU: Exynos5422@900MHz Board: Google Peach Pi, rev 11.6 I2C: ready DRAM: 3.5 GiB Relocation Offset dbd54000, base at ffb54000 SPL stack at 2072c00, used 3f0, free 10 PMIC max77802-pmic initialized CPU: Exynos5422@1800MHz TPS65090 PMIC EC init MMC: EXYNOS DWMMC: 0, EXYNOS DWMMC: 1 SF: Detected W25Q32DW with page size 4 KiB, total 32 MiB In: cros-ec-keyb Out: lcd Err: lcd SF: Detected W25Q32DW with page size 4 KiB, total 32 MiB ELOG: Event(17) added with size 13 Net: No ethernet found. Hit any key to stop autoboot: 0 mmc1 is current device 4586144 bytes read in 242 ms (18.1 MiB/s) 26583040 bytes read in 1166 ms (21.7 MiB/s) ## Loading kernel from FIT Image at 20008000 ... Using 'conf@2' configuration Trying 'kernel@1' kernel subimage Description: unavailable Type: Kernel Image (no loading done) Compression: uncompressed Data Start: 0x200080c8 Data Size: 4459024 Bytes = 4.3 MiB Verifying Hash Integrity ... OK ## Loading fdt from FIT Image at 20008000 ... Using 'conf@2' configuration Trying 'fdt@2' fdt subimage Description: exynos5800-peach-pi.dtb Type: Flat Device Tree Compression: uncompressed Data Start: 0x20458148 Data Size: 63002 Bytes = 61.5 KiB Architecture: ARM Hash algo: sha1 Hash value: cd1c1703f744b44b1833ca61ec36b625665548de Verifying Hash Integrity ... sha1+ OK Booting using the fdt blob at 0x20458148 XIP Kernel Image (no loading done) ... OK Loading Device Tree to 3ffe1000, end 3ffffb49 ... OK boot_kernel.c: ft_board_setup: warning: Must pass exactly one of vboot or cdata Starting kernel ... Timer summary in microseconds: Mark Elapsed Stage 0 0 reset 122,793 122,793 board_init_f 143,214 20,421 board_init_r 238,069 94,855 id=64 240,278 2,209 main_loop 4,841,682 4,601,404 bootm_start 4,841,683 1 id=1 4,846,604 4,921 id=100 4,846,607 3 id=101 4,846,607 0 id=102 4,850,208 3,601 id=110 4,877,729 27,521 id=105 4,877,731 2 id=106 4,877,734 3 id=107 4,877,735 1 id=108 4,877,736 1 id=109 4,882,406 4,670 id=90 4,882,408 2 id=92 4,882,408 0 id=91 4,927,272 44,864 id=95 4,927,274 2 id=96 4,927,276 2 id=97 4,927,277 1 id=98 4,927,279 2 id=99 4,937,617 10,338 id=7 4,951,899 14,282 id=15 4,955,112 3,213 start_kernel Accumulated time: 6,948 SPI read Uncompressing Linux... done, booting the kernel. [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 4.6.0-00073-g35e691c (pankaj@chromebld-server) (gcc version 4.9.2 20140904 (prerelease) (crosstool-NG linaro-1.13.1-4.9-2014.09 - Linaro GCC 4.9-2014.09) ) #59 SMP PREEMPT Thu May 26 08:21:07 IST 2016 [ 0.000000] CPU: ARMv7 Processor [412fc0f3] revision 3 (ARMv7), cr=10c5387d [ 0.000000] CPU: div instructions available: patching division code [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache [ 0.000000] Machine model: Google Peach Pi Rev 10+ [ 0.000000] bootconsole [earlycon0] enabled [ 0.000000] cma: Reserved 64 MiB at 0xfbc00000 [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] Samsung CPU ID: 0xe5422001 [ 0.000000] On node 0 totalpages: 913407 [ 0.000000] free_area_init_node: node 0, pgdat c0b42cc0, node_mem_map ee3f7000 [ 0.000000] Normal zone: 1536 pages used for memmap [ 0.000000] Normal zone: 0 pages reserved [ 0.000000] Normal zone: 194560 pages, LIFO batch:31 [ 0.000000] HighMem zone: 718847 pages, LIFO batch:31 [ 0.000000] percpu: Embedded 12 pages/cpu @ee341000 s19392 r8192 d21568 u49152 [ 0.000000] pcpu-alloc: s19392 r8192 d21568 u49152 alloc=12*4096 [ 0.000000] pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [0] 4 [0] 5 [0] 6 [0] 7 [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 911871 [ 0.000000] Kernel command line: cros_legacy console=ttySAC3,115200 debug earlyprintk cros_debug no_console_suspend root=/dev/ram0 rw ramdisk=32768 initrd=0x42000000,3 2M [ 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: 3522460K/3653628K available (6317K kernel code, 271K rwdata, 2204K rodata, 1024K init, 313K bss, 65632K reserved, 65536K cma-reserved, 2809852K hig hmem) [ 0.000000] Virtual kernel memory layout: [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB) [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB) [ 0.000000] vmalloc : 0xf0800000 - 0xff800000 ( 240 MB) [ 0.000000] lowmem : 0xc0000000 - 0xf0000000 ( 768 MB) [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB) [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB) [ 0.000000] .text : 0xc0008000 - 0xc09524b8 (9514 kB) [ 0.000000] .init : 0xc0a00000 - 0xc0b00000 (1024 kB) [ 0.000000] .data : 0xc0b00000 - 0xc0b43ca0 ( 272 kB) [ 0.000000] .bss : 0xc0b45000 - 0xc0b937e8 ( 314 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1 [ 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] GIC physical location is 0x10481000 [ 0.000000] Switching to timer-based delay loop, resolution 41ns [ 0.000000] clocksource: mct-frc: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns [ 0.000003] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns [ 0.008334] Console: colour dummy device 80x30 [ 0.012699] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=120000) [ 0.023090] pid_max: default: 32768 minimum: 301 [ 0.027864] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.034465] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes) [ 0.041947] CPU: Testing write buffer coherency: ok [ 0.047033] CPU0: update cpu_capacity 1535 [ 0.051046] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.056840] Setting up static identity map for 0x20100000 - 0x20100058 [ 0.063593] ARM CCI driver probed [ 0.067193] Exynos MCPM support installed [ 0.124848] CPU1: update cpu_capacity 1535 [ 0.124852] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 [ 0.144835] CPU2: update cpu_capacity 1535 [ 0.144839] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002 [ 0.164835] CPU3: update cpu_capacity 1535 [ 0.164838] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003 [ 0.184910] CPU4: update cpu_capacity 448 [ 0.184923] CPU4: thread -1, cpu 0, socket 1, mpidr 80000100 [ 0.204875] CPU5: update cpu_capacity 448 [ 0.204885] CPU5: thread -1, cpu 1, socket 1, mpidr 80000101 [ 0.224875] CPU6: update cpu_capacity 448 [ 0.224885] CPU6: thread -1, cpu 2, socket 1, mpidr 80000102 [ 0.244876] CPU7: update cpu_capacity 448 [ 0.244886] CPU7: thread -1, cpu 3, socket 1, mpidr 80000103 [ 0.245053] Brought up 8 CPUs [ 0.316818] SMP: Total of 8 processors activated (384.00 BogoMIPS). [ 0.323151] CPU: All CPU(s) started in SVC mode. [ 0.328619] devtmpfs: initialized [ 0.354746] VFP support v0.3: implementor 41 architecture 4 part 30 variant f rev 0 [ 0.362960] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 9556302231375000 ns [ 0.374103] pinctrl core: initialized pinctrl subsystem [ 0.379947] NET: Registered protocol family 16 [ 0.385336] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.404756] cpuidle: using governor menu [ 0.412891] exynos-audss-clk 3810000.audss-clock-controller: setup completed [ 0.422092] gpio gpiochip0: (gpy7): added GPIO chardev (254:0) [ 0.427978] gpiochip_setup_dev: registered GPIOs 0 to 7 on device: gpiochip0 (gpy7) [ 0.435577] gpio gpiochip1: (gpx0): added GPIO chardev (254:1) [ 0.441581] gpiochip_setup_dev: registered GPIOs 8 to 15 on device: gpiochip1 (gpx0) [ 0.449281] gpio gpiochip2: (gpx1): added GPIO chardev (254:2) [ 0.455286] gpiochip_setup_dev: registered GPIOs 16 to 23 on device: gpiochip2 (gpx1) [ 0.463074] gpio gpiochip3: (gpx2): added GPIO chardev (254:3) [ 0.469081] gpiochip_setup_dev: registered GPIOs 24 to 31 on device: gpiochip3 (gpx2) [ 0.476867] gpio gpiochip4: (gpx3): added GPIO chardev (254:4) [ 0.482872] gpiochip_setup_dev: registered GPIOs 32 to 39 on device: gpiochip4 (gpx3) [ 0.491481] gpio gpiochip5: (gpc0): added GPIO chardev (254:5) [ 0.497348] gpiochip_setup_dev: registered GPIOs 40 to 47 on device: gpiochip5 (gpc0) [ 0.505131] gpio gpiochip6: (gpc1): added GPIO chardev (254:6) [ 0.511139] gpiochip_setup_dev: registered GPIOs 48 to 55 on device: gpiochip6 (gpc1) [ 0.518924] gpio gpiochip7: (gpc2): added GPIO chardev (254:7) [ 0.524931] gpiochip_setup_dev: registered GPIOs 56 to 62 on device: gpiochip7 (gpc2) [ 0.532716] gpio gpiochip8: (gpc3): added GPIO chardev (254:8) [ 0.538722] gpiochip_setup_dev: registered GPIOs 63 to 66 on device: gpiochip8 (gpc3) [ 0.546510] gpio gpiochip9: (gpc4): added GPIO chardev (254:9) [ 0.552515] gpiochip_setup_dev: registered GPIOs 67 to 68 on device: gpiochip9 (gpc4) [ 0.560303] gpio gpiochip10: (gpd1): added GPIO chardev (254:10) [ 0.566485] gpiochip_setup_dev: registered GPIOs 69 to 76 on device: gpiochip10 (gpd1) [ 0.574357] gpio gpiochip11: (gpy0): added GPIO chardev (254:11) [ 0.580535] gpiochip_setup_dev: registered GPIOs 77 to 82 on device: gpiochip11 (gpy0) [ 0.588410] gpio gpiochip12: (gpy1): added GPIO chardev (254:12) [ 0.594589] gpiochip_setup_dev: registered GPIOs 83 to 86 on device: gpiochip12 (gpy1) [ 0.602463] gpio gpiochip13: (gpy2): added GPIO chardev (254:13) [ 0.608642] gpiochip_setup_dev: registered GPIOs 87 to 92 on device: gpiochip13 (gpy2) [ 0.616518] gpio gpiochip14: (gpy3): added GPIO chardev (254:14) [ 0.622701] gpiochip_setup_dev: registered GPIOs 93 to 100 on device: gpiochip14 (gpy3) [ 0.630657] gpio gpiochip15: (gpy4): added GPIO chardev (254:15) [ 0.636835] gpiochip_setup_dev: registered GPIOs 101 to 108 on device: gpiochip15 (gpy4) [ 0.644888] gpio gpiochip16: (gpy5): added GPIO chardev (254:16) [ 0.651063] gpiochip_setup_dev: registered GPIOs 109 to 116 on device: gpiochip16 (gpy5) [ 0.659111] gpio gpiochip17: (gpy6): added GPIO chardev (254:17) [ 0.665289] gpiochip_setup_dev: registered GPIOs 117 to 124 on device: gpiochip17 (gpy6) [ 0.673856] gpio gpiochip18: (gpe0): added GPIO chardev (254:18) [ 0.679908] gpiochip_setup_dev: registered GPIOs 125 to 132 on device: gpiochip18 (gpe0) [ 0.687948] gpio gpiochip19: (gpe1): added GPIO chardev (254:19) [ 0.694126] gpiochip_setup_dev: registered GPIOs 133 to 134 on device: gpiochip19 (gpe1) [ 0.702174] gpio gpiochip20: (gpf0): added GPIO chardev (254:20) [ 0.708356] gpiochip_setup_dev: registered GPIOs 135 to 140 on device: gpiochip20 (gpf0) [ 0.716401] gpio gpiochip21: (gpf1): added GPIO chardev (254:21) [ 0.722579] gpiochip_setup_dev: registered GPIOs 141 to 148 on device: gpiochip21 (gpf1) [ 0.730628] gpio gpiochip22: (gpg0): added GPIO chardev (254:22) [ 0.736806] gpiochip_setup_dev: registered GPIOs 149 to 156 on device: gpiochip22 (gpg0) [ 0.744857] gpio gpiochip23: (gpg1): added GPIO chardev (254:23) [ 0.751033] gpiochip_setup_dev: registered GPIOs 157 to 164 on device: gpiochip23 (gpg1) [ 0.759081] gpio gpiochip24: (gpg2): added GPIO chardev (254:24) [ 0.765264] gpiochip_setup_dev: registered GPIOs 165 to 166 on device: gpiochip24 (gpg2) [ 0.773309] gpio gpiochip25: (gpj4): added GPIO chardev (254:25) [ 0.779493] gpiochip_setup_dev: registered GPIOs 167 to 170 on device: gpiochip25 (gpj4) [ 0.788029] gpio gpiochip26: (gpa0): added GPIO chardev (254:26) [ 0.794075] gpiochip_setup_dev: registered GPIOs 171 to 178 on device: gpiochip26 (gpa0) [ 0.802119] gpio gpiochip27: (gpa1): added GPIO chardev (254:27) [ 0.808301] gpiochip_setup_dev: registered GPIOs 179 to 184 on device: gpiochip27 (gpa1) [ 0.816346] gpio gpiochip28: (gpa2): added GPIO chardev (254:28) [ 0.822525] gpiochip_setup_dev: registered GPIOs 185 to 192 on device: gpiochip28 (gpa2) [ 0.830573] gpio gpiochip29: (gpb0): added GPIO chardev (254:29) [ 0.836751] gpiochip_setup_dev: registered GPIOs 193 to 197 on device: gpiochip29 (gpb0) [ 0.844800] gpio gpiochip30: (gpb1): added GPIO chardev (254:30) [ 0.850979] gpiochip_setup_dev: registered GPIOs 198 to 202 on device: gpiochip30 (gpb1) [ 0.859026] gpio gpiochip31: (gpb2): added GPIO chardev (254:31) [ 0.865208] gpiochip_setup_dev: registered GPIOs 203 to 206 on device: gpiochip31 (gpb2) [ 0.873254] gpio gpiochip32: (gpb3): added GPIO chardev (254:32) [ 0.879433] gpiochip_setup_dev: registered GPIOs 207 to 214 on device: gpiochip32 (gpb3) [ 0.887480] gpio gpiochip33: (gpb4): added GPIO chardev (254:33) [ 0.893662] gpiochip_setup_dev: registered GPIOs 215 to 216 on device: gpiochip33 (gpb4) [ 0.901708] gpio gpiochip34: (gph0): added GPIO chardev (254:34) [ 0.907897] gpiochip_setup_dev: registered GPIOs 217 to 224 on device: gpiochip34 (gph0) [ 0.916503] gpio gpiochip35: (gpz): added GPIO chardev (254:35) [ 0.922456] gpiochip_setup_dev: registered GPIOs 225 to 231 on device: gpiochip35 (gpz) [ 0.934388] EXYNOS5420 PMU initialized [ 0.966020] of_get_named_gpiod_flags: parsed 'gpio' property of node '/regulator-usb300[0]' - status (0) [ 0.975689] of_get_named_gpiod_flags: parsed 'gpio' property of node '/regulator-usb301[0]' - status (0) [ 0.985303] of_get_named_gpiod_flags: can't parse 'gpio' property of node '/fixed-regulator[0]' [ 0.995569] SCSI subsystem initialized [ 0.999446] usbcore: registered new interface driver usbfs [ 1.004908] usbcore: registered new interface driver hub [ 1.010346] usbcore: registered new device driver usb [ 1.015851] s3c-i2c 12c80000.i2c: slave address 0x50 [ 1.020732] s3c-i2c 12c80000.i2c: bus frequency set to 65 KHz [ 1.026817] s3c-i2c 12c80000.i2c: i2c-2: S3C I2C adapter [ 1.032853] Advanced Linux Sound Architecture Driver Initialized. [ 1.039949] clocksource: Switched to clocksource mct-frc [ 1.057595] NET: Registered protocol family 2 [ 1.062235] TCP established hash table entries: 8192 (order: 3, 32768 bytes) [ 1.069247] TCP bind hash table entries: 8192 (order: 5, 163840 bytes) [ 1.075883] TCP: Hash tables configured (established 8192 bind 8192) [ 1.082251] UDP hash table entries: 512 (order: 2, 24576 bytes) [ 1.088220] UDP-Lite hash table entries: 512 (order: 2, 24576 bytes) [ 1.094763] NET: Registered protocol family 1 [ 1.099356] RPC: Registered named UNIX socket transport module. [ 1.105209] RPC: Registered udp transport module. [ 1.109974] RPC: Registered tcp transport module. [ 1.114725] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 1.121421] Trying to unpack rootfs image as initramfs... [ 1.126940] rootfs image is not initramfs (junk in compressed archive); looks like an initrd [ 1.160139] Unable to handle kernel paging request at virtual address e3000000 [ 1.167270] pgd = c0004000 [ 1.170046] [e3000000] *pgd=00000000 [ 1.173693] Internal error: Oops: 5 [#1] PREEMPT SMP ARM [ 1.179068] Modules linked in: [ 1.182194] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.6.0-00073-g35e691c #59 [ 1.189477] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 1.195638] task: edc88000 ti: edc76000 task.ti: edc76000 [ 1.201111] PC is at memcpy+0x48/0x330 [ 1.204923] LR is at iov_iter_copy_from_user_atomic+0x184/0x24c [ 1.210906] pc : [<c0320388>] lr : [<c0331688>] psr: 20000013 [ 1.210906] sp : edc77cd4 ip : 00000000 fp : c070b640 [ 1.222530] r10: 00000000 r9 : 00000000 r8 : ffefe000 [ 1.227822] r7 : 00000000 r6 : ffeff000 r5 : 00001000 r4 : edc77dec [ 1.234415] r3 : 01000000 r2 : 00000f80 r1 : e3000000 r0 : ffefe000 [ 1.241009] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 1.248208] Control: 10c5387d Table: 2000406a DAC: 00000051 [ 1.254020] Process swapper/0 (pid: 1, stack limit = 0xedc76210) [ 1.260093] Stack: (0xedc77cd4 to 0xedc78000) [ 1.264518] 7cc0: 00001000 ffeff000 00000000 [ 1.272760] 7ce0: ffefe000 ffefe000 edc77dec c0331688 00001000 00001000 edc77df4 ed85508c [ 1.281001] 7d00: 00001000 01000000 00000000 00000000 c070b640 c01966d8 00001000 00000001 [ 1.289242] 7d20: edc77d40 edc77d44 00000000 edf0e600 01000000 00000000 edc76000 00000001 [ 1.297483] 7d40: eff519e0 c01f6100 00000000 00000000 edc77e08 00000000 edc77df4 edc77df4 [ 1.305725] 7d60: edf0e600 ed85508c c0b45050 c0197f88 c0b45050 c06c9d3c c0b67b58 c0b67b58 [ 1.313966] 7d80: 000000a8 00000003 ed855018 edc77e08 ed855018 edf0e600 edc77df4 02000000 [ 1.322207] 7da0: 00000000 c0b4504c c0b45050 c0198118 eded6860 c0b4504c c0b45050 c01ec01c [ 1.330448] 7dc0: edf0e600 02000000 00000000 00000000 edc77e60 eded6860 c0b4504c c01dd0b8 [ 1.338690] 7de0: 02000000 00000301 00000002 e2000000 02000000 00000003 01000000 01000000 [ 1.346931] 7e00: edc77dec 00000001 edf0e600 00000000 00000000 00000000 00000000 00000000 [ 1.355172] 7e20: 00000000 00000000 edf0e600 02000000 e2000000 edc77e60 00000000 c01dddac [ 1.363414] 7e40: ed854fa0 edf0e608 edf0e600 edf0e600 e2000000 02000000 00000000 c01dead8 [ 1.371655] 7e60: 00000000 00000000 c08781c0 02000000 e2000000 00000000 00000000 c0a027a8 [ 1.379896] 7e80: 00000000 00000000 eded6800 c0b43a4c 00000000 c0a02eb4 c0871494 eded685b [ 1.388137] 7ea0: 00000001 00000068 000241ed 00000000 00000000 00000000 00001000 00000000 [ 1.396378] 7ec0: 57465fab 00000000 57465fab 00000000 00000000 376eac80 00000000 00000000 [ 1.404619] 7ee0: 00000000 c0b05a50 c0b05a50 c0a02d70 00000000 edf24ac0 000000d4 c0a34848 [ 1.412861] 7f00: 00000000 c0101814 c0b0a98c edc77f18 c0b47668 c06c98b0 60000000 c0b0933c [ 1.421102] 7f20: 00000000 c0b0933c c0926578 c0716b3c 000000d4 c0135ef0 0000cccd 00000000 [ 1.429343] 7f40: c08dd0e0 00000000 00000005 00000005 c0b09318 efffc8c0 c0a5ba5c 00000005 [ 1.437585] 7f60: c0a3483c c0b45000 c0b45000 000000d4 c0a34848 c0a00db8 00000005 00000005 [ 1.445826] 7f80: 00000000 c0a005a0 00000000 c06c6254 00000000 00000000 00000000 00000000 [ 1.454067] 7fa0: 00000000 c06c625c 00000000 c0107a38 00000000 00000000 00000000 00000000 [ 1.462308] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 1.470549] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000 f7ffffff a7ffefff [ 1.478797] [<c0320388>] (memcpy) from [<c0331688>] (iov_iter_copy_from_user_atomic+0x184/0x24c) [ 1.487646] [<c0331688>] (iov_iter_copy_from_user_atomic) from [<c01966d8>] (generic_perform_write+0xf8/0x1c8) [ 1.497706] [<c01966d8>] (generic_perform_write) from [<c0197f88>] (__generic_file_write_iter+0x198/0x1f4) [ 1.507420] [<c0197f88>] (__generic_file_write_iter) from [<c0198118>] (generic_file_write_iter+0x134/0x260) [ 1.517311] [<c0198118>] (generic_file_write_iter) from [<c01dd0b8>] (__vfs_write+0xa8/0xd8) [ 1.525811] [<c01dd0b8>] (__vfs_write) from [<c01dddac>] (vfs_write+0x90/0x164) [ 1.533184] [<c01dddac>] (vfs_write) from [<c01dead8>] (SyS_write+0x44/0x9c) [ 1.540301] [<c01dead8>] (SyS_write) from [<c0a027a8>] (xwrite+0x2c/0x68) [ 1.547152] [<c0a027a8>] (xwrite) from [<c0a02eb4>] (populate_rootfs+0x144/0x268) [ 1.554700] [<c0a02eb4>] (populate_rootfs) from [<c0101814>] (do_one_initcall+0x90/0x1d8) [ 1.562939] [<c0101814>] (do_one_initcall) from [<c0a00db8>] (kernel_init_freeable+0x15c/0x1fc) [ 1.571706] [<c0a00db8>] (kernel_init_freeable) from [<c06c625c>] (kernel_init+0x8/0x114) [ 1.579945] [<c06c625c>] (kernel_init) from [<c0107a38>] (ret_from_fork+0x14/0x3c) [ 1.587576] Code: ba000002 f5d1f03c f5d1f05c f5d1f07c (e8b151f8) [ 1.593751] ---[ end trace 065c5ae2b4577941 ]--- [ 1.598420] note: swapper/0[1] exited with preempt_count 1 [ 1.604062] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 1.604062] [ 1.613263] CPU5: stopping [ 1.616048] CPU: 5 PID: 0 Comm: swapper/5 Tainted: G D 4.6.0-00073-g35e691c #59 [ 1.624540] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 1.630729] [<c010e26c>] (unwind_backtrace) from [<c010afdc>] (show_stack+0x10/0x14) [ 1.638525] [<c010afdc>] (show_stack) from [<c03217f4>] (dump_stack+0x88/0x9c) [ 1.645808] [<c03217f4>] (dump_stack) from [<c010d508>] (handle_IPI+0x190/0x1a4) [ 1.653264] [<c010d508>] (handle_IPI) from [<c01014d8>] (gic_handle_irq+0x90/0x94) [ 1.660899] [<c01014d8>] (gic_handle_irq) from [<c010ba94>] (__irq_svc+0x54/0x90) [ 1.668438] Exception stack(0xedcc7f88 to 0xedcc7fd0) [ 1.673562] 7f80: 00000001 00000000 00000000 c0114120 edcc6000 c0b02454 [ 1.681803] 7fa0: 00000000 c0a5f3f8 c0b024bc edcc7fe0 c0b024b4 00000000 f0806000 edcc7fd8 [ 1.690040] 7fc0: c0108478 c010847c 60000013 ffffffff [ 1.695166] [<c010ba94>] (__irq_svc) from [<c010847c>] (arch_cpu_idle+0x38/0x3c) [ 1.702630] [<c010847c>] (arch_cpu_idle) from [<c0152788>] (cpu_startup_entry+0x1bc/0x240) [ 1.710955] [<c0152788>] (cpu_startup_entry) from [<2010156c>] (0x2010156c) [ 1.717972] CPU1: stopping [ 1.720764] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 4.6.0-00073-g35e691c #59 [ 1.729261] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 1.735434] [<c010e26c>] (unwind_backtrace) from [<c010afdc>] (show_stack+0x10/0x14) [ 1.743233] [<c010afdc>] (show_stack) from [<c03217f4>] (dump_stack+0x88/0x9c) [ 1.750516] [<c03217f4>] (dump_stack) from [<c010d508>] (handle_IPI+0x190/0x1a4) [ 1.757977] [<c010d508>] (handle_IPI) from [<c01014d8>] (gic_handle_irq+0x90/0x94) [ 1.765609] [<c01014d8>] (gic_handle_irq) from [<c010ba94>] (__irq_svc+0x54/0x90) [ 1.773156] Exception stack(0xedcbff88 to 0xedcbffd0) [ 1.778275] ff80: 00000001 00000000 00000000 c0114120 edcbe000 c0b02454 [ 1.786517] ffa0: 00000000 c0a5f3f8 c0b024bc edcbffe0 c0b024b4 00000000 00000000 edcbffd8 [ 1.794755] ffc0: c0108478 c010847c 60000013 ffffffff [ 1.799879] [<c010ba94>] (__irq_svc) from [<c010847c>] (arch_cpu_idle+0x38/0x3c) [ 1.807353] [<c010847c>] (arch_cpu_idle) from [<c0152788>] (cpu_startup_entry+0x1bc/0x240) [ 1.815664] [<c0152788>] (cpu_startup_entry) from [<2010156c>] (0x2010156c) [ 1.822697] CPU7: stopping [ 1.825456] CPU: 7 PID: 0 Comm: swapper/7 Tainted: G D 4.6.0-00073-g35e691c #59 [ 1.833952] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 1.840127] [<c010e26c>] (unwind_backtrace) from [<c010afdc>] (show_stack+0x10/0x14) [ 1.847931] [<c010afdc>] (show_stack) from [<c03217f4>] (dump_stack+0x88/0x9c) [ 1.855218] [<c03217f4>] (dump_stack) from [<c010d508>] (handle_IPI+0x190/0x1a4) [ 1.862675] [<c010d508>] (handle_IPI) from [<c01014d8>] (gic_handle_irq+0x90/0x94) [ 1.870309] [<c01014d8>] (gic_handle_irq) from [<c010ba94>] (__irq_svc+0x54/0x90) [ 1.877847] Exception stack(0xedccbf88 to 0xedccbfd0) [ 1.882972] bf80: 00000001 00000000 00000000 c0114120 edcca000 c0b02454 [ 1.891215] bfa0: 00000000 c0a5f3f8 c0b024bc edccbfe0 c0b024b4 00000000 f0806000 edccbfd8 [ 1.899452] bfc0: c0108478 c010847c 60000013 ffffffff [ 1.904577] [<c010ba94>] (__irq_svc) from [<c010847c>] (arch_cpu_idle+0x38/0x3c) [ 1.912040] [<c010847c>] (arch_cpu_idle) from [<c0152788>] (cpu_startup_entry+0x1bc/0x240) [ 1.920364] [<c0152788>] (cpu_startup_entry) from [<2010156c>] (0x2010156c) [ 1.927381] CPU2: stopping [ 1.930164] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D 4.6.0-00073-g35e691c #59 [ 1.938663] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 1.944826] [<c010e26c>] (unwind_backtrace) from [<c010afdc>] (show_stack+0x10/0x14) [ 1.952634] [<c010afdc>] (show_stack) from [<c03217f4>] (dump_stack+0x88/0x9c) [ 1.959918] [<c03217f4>] (dump_stack) from [<c010d508>] (handle_IPI+0x190/0x1a4) [ 1.967379] [<c010d508>] (handle_IPI) from [<c01014d8>] (gic_handle_irq+0x90/0x94) [ 1.975012] [<c01014d8>] (gic_handle_irq) from [<c010ba94>] (__irq_svc+0x54/0x90) [ 1.982558] Exception stack(0xedcc1f88 to 0xedcc1fd0) [ 1.987675] 1f80: 00000001 00000000 00000000 c0114120 edcc0000 c0b02454 [ 1.995919] 1fa0: 00000000 c0a5f3f8 c0b024bc edcc1fe0 c0b024b4 00000000 f0806000 edcc1fd8 [ 2.004162] 1fc0: c0108478 c010847c 60000013 ffffffff [ 2.009280] [<c010ba94>] (__irq_svc) from [<c010847c>] (arch_cpu_idle+0x38/0x3c) [ 2.016742] [<c010847c>] (arch_cpu_idle) from [<c0152788>] (cpu_startup_entry+0x1bc/0x240) [ 2.025067] [<c0152788>] (cpu_startup_entry) from [<2010156c>] (0x2010156c) [ 2.032097] CPU4: stopping [ 2.034866] CPU: 4 PID: 0 Comm: swapper/4 Tainted: G D 4.6.0-00073-g35e691c #59 [ 2.043361] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 2.049538] [<c010e26c>] (unwind_backtrace) from [<c010afdc>] (show_stack+0x10/0x14) [ 2.057343] [<c010afdc>] (show_stack) from [<c03217f4>] (dump_stack+0x88/0x9c) [ 2.064628] [<c03217f4>] (dump_stack) from [<c010d508>] (handle_IPI+0x190/0x1a4) [ 2.072086] [<c010d508>] (handle_IPI) from [<c01014d8>] (gic_handle_irq+0x90/0x94) [ 2.079719] [<c01014d8>] (gic_handle_irq) from [<c010ba94>] (__irq_svc+0x54/0x90) [ 2.087259] Exception stack(0xedcc5f88 to 0xedcc5fd0) [ 2.092382] 5f80: 00000001 00000000 00000000 c0114120 edcc4000 c0b02454 [ 2.100626] 5fa0: 00000000 c0a5f3f8 c0b024bc edcc5fe0 c0b024b4 00000000 f0806000 edcc5fd8 [ 2.108862] 5fc0: c0108478 c010847c 60000013 ffffffff [ 2.113988] [<c010ba94>] (__irq_svc) from [<c010847c>] (arch_cpu_idle+0x38/0x3c) [ 2.121451] [<c010847c>] (arch_cpu_idle) from [<c0152788>] (cpu_startup_entry+0x1bc/0x240) [ 2.129775] [<c0152788>] (cpu_startup_entry) from [<2010156c>] (0x2010156c) [ 2.136795] CPU6: stopping [ 2.139573] CPU: 6 PID: 0 Comm: swapper/6 Tainted: G D 4.6.0-00073-g35e691c #59 [ 2.148068] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 2.154244] [<c010e26c>] (unwind_backtrace) from [<c010afdc>] (show_stack+0x10/0x14) [ 2.162050] [<c010afdc>] (show_stack) from [<c03217f4>] (dump_stack+0x88/0x9c) [ 2.169335] [<c03217f4>] (dump_stack) from [<c010d508>] (handle_IPI+0x190/0x1a4) [ 2.176793] [<c010d508>] (handle_IPI) from [<c01014d8>] (gic_handle_irq+0x90/0x94) [ 2.184426] [<c01014d8>] (gic_handle_irq) from [<c010ba94>] (__irq_svc+0x54/0x90) [ 2.191966] Exception stack(0xedcc9f88 to 0xedcc9fd0) [ 2.197090] 9f80: 00000001 00000000 00000000 c0114120 edcc8000 c0b02454 [ 2.205333] 9fa0: 00000000 c0a5f3f8 c0b024bc edcc9fe0 c0b024b4 00000000 f0806000 edcc9fd8 [ 2.213569] 9fc0: c0108478 c010847c 60000013 ffffffff [ 2.218695] [<c010ba94>] (__irq_svc) from [<c010847c>] (arch_cpu_idle+0x38/0x3c) [ 2.226157] [<c010847c>] (arch_cpu_idle) from [<c0152788>] (cpu_startup_entry+0x1bc/0x240) [ 2.234482] [<c0152788>] (cpu_startup_entry) from [<2010156c>] (0x2010156c) [ 2.241498] CPU3: stopping [ 2.244279] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D 4.6.0-00073-g35e691c #59 [ 2.252779] Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [ 2.258944] [<c010e26c>] (unwind_backtrace) from [<c010afdc>] (show_stack+0x10/0x14) [ 2.266750] [<c010afdc>] (show_stack) from [<c03217f4>] (dump_stack+0x88/0x9c) [ 2.274036] [<c03217f4>] (dump_stack) from [<c010d508>] (handle_IPI+0x190/0x1a4) [ 2.281495] [<c010d508>] (handle_IPI) from [<c01014d8>] (gic_handle_irq+0x90/0x94) [ 2.289129] [<c01014d8>] (gic_handle_irq) from [<c010ba94>] (__irq_svc+0x54/0x90) [ 2.296675] Exception stack(0xedcc3f88 to 0xedcc3fd0) [ 2.301795] 3f80: 00000001 00000000 00000000 c0114120 edcc2000 c0b02454 [ 2.310036] 3fa0: 00000000 c0a5f3f8 c0b024bc edcc3fe0 c0b024b4 00000000 f0806000 edcc3fd8 [ 2.318276] 3fc0: c0108478 c010847c 60000013 ffffffff [ 2.323396] [<c010ba94>] (__irq_svc) from [<c010847c>] (arch_cpu_idle+0x38/0x3c) [ 2.330858] [<c010847c>] (arch_cpu_idle) from [<c0152788>] (cpu_startup_entry+0x1bc/0x240) [ 2.339184] [<c0152788>] (cpu_startup_entry) from [<2010156c>] (0x2010156c) [ 2.346219] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 2.346219] [ 38.194984] random: nonblocking pool is initialized Thanks, Pankaj Dubey -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the 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