Fedora 24 Mate Spin fails to start all cpus on Odroid-Xu4

[Stewart Samuels]

Hello,

I've notice on both Fedora 24 4.5.5-300 and 4.6.5-300 systems, that Fedora 24 starts 5
out of 8 cpus.  Is there a limit being set somewhere or is this a bug?

U-Boot 2016.05 (May 30 2016 - 20:03:50 +0000) for ODROID-XU3

CPU:   Exynos5422 @ 800 MHz
Model: Odroid XU3 based on EXYNOS5422
Board: Odroid XU3 based on EXYNOS5422
Type:  xu4
DRAM:  2 GiB
MMC:   EXYNOS DWMMC: 0, EXYNOS DWMMC: 1
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
Net:   No ethernet found.
Hit any key to stop autoboot:  0 
switch to partitions #0, OK
mmc1(part 0) is current device
Scanning mmc 1:1...
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:1...
Found /extlinux/extlinux.conf
Retrieving file: /extlinux/extlinux.conf
936 bytes read in 18 ms (50.8 KiB/s)
Ignoring unknown command: ui
Ignoring malformed menu command:  autoboot
Ignoring malformed menu command:  hidden
Ignoring unknown command: totaltimeout
Ignoring unknown command: default=Fedora
Fedora-Mate-armhfp-24-1.2 Boot Options.
1:      Fedora (4.6.5-300.fc24.armv7hl) 24 (Twenty Four)
2:      Fedora-Mate-armhfp-24-1.2 (4.5.5-300.fc24.armv7hl)
Enter choice: 1:        Fedora (4.6.5-300.fc24.armv7hl) 24 (Twenty Four)
Retrieving file: /initramfs-4.6.5-300.fc24.armv7hl.img
17514609 bytes read in 1641 ms (10.2 MiB/s)
Retrieving file: /vmlinuz-4.6.5-300.fc24.armv7hl
6102880 bytes read in 587 ms (9.9 MiB/s)
append: rd.driver.pre=dw_mmc-exynos,exynosdrm,ehci-exynos,ohci-exynos ro
root=UUID=dfac3a15-7d31-46ed-842f-2f7599871202 LANG=en_US
.UTF-8
Retrieving file: /dtb-4.6.5-300.fc24.armv7hl/exynos5422-odroidxu4.dtb
47808 bytes read in 124 ms (376 KiB/s)
Kernel image @ 0x42000000 [ 0x000000 - 0x5d1f60 ]
## Flattened Device Tree blob at 43000000
   Booting using the fdt blob at 0x43000000
   Loading Ramdisk to 4ef4b000, end 4ffff071 ... OK
   Loading Device Tree to 4ef3c000, end 4ef4aabf ... OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x100
[    0.000000] Linux version 4.6.5-300.fc24.armv7hl
(mockbuild(a)arm04-builder03.arm.fedoraproject.org) (gcc version 6.1.1 20160621 
(Red Hat 6.1.1-3) (GCC) ) #1 SMP Thu Jul 28 03:09:19 UTC 2016
[    0.000000] CPU: ARMv7 Processor [410fc073] revision 3 (ARMv7), cr=10c5387d
[    0.000000] CPU: div instructions available: patching division code
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] Machine model: Hardkernel Odroid XU4
[    0.000000] efi: Getting EFI parameters from FDT:
[    0.000000] efi: UEFI not found.
[    0.000000] cma: Reserved 16 MiB at 0xbd800000
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] Samsung CPU ID: 0xe5422001
[    0.000000] Running under secure firmware.
[    0.000000] percpu: Embedded 13 pages/cpu @eed8a000 s24332 r8192 d20724 u53248
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages:
512832
[    0.000000] Kernel command line:
rd.driver.pre=dw_mmc-exynos,exynosdrm,ehci-exynos,ohci-exynos ro
root=UUID=dfac3a15-7d31-46ed-
842f-2f7599871202 LANG=en_US.UTF-8
[    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: 1991052K/2058240K available (7609K kernel code, 1140K rwdata, 3376K
rodata, 1108K init, 854K bss, 50804K re
served, 16384K cma-reserved, 1271808K highmem)
[    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 : 0xc0208000 - 0xc0cc28f8   (10987 kB)
[    0.000000]       .init : 0xc0cc3000 - 0xc0dd8000   (1108 kB)
[    0.000000]       .data : 0xc0dd8000 - 0xc0ef52b4   (1141 kB)
[    0.000000]        .bss : 0xc0ef52b4 - 0xc0fcabb8   ( 855 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1
[    0.000000] Hierarchical RCU implementation.
[    0.000000]  Build-time adjustment of leaf fanout to 32.
[    0.000000] NR_IRQS:16 nr_irqs:16 16
[    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
[    0.000007] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
[    0.005176] Console: colour dummy device 80x30
[    0.006058] console [tty0] enabled
[    0.006118] Calibrating delay loop (skipped), value calculated using timer frequency..
48.00 BogoMIPS (lpj=120000)
[    0.006177] pid_max: default: 32768 minimum: 301
[    0.006426] Security Framework initialized
[    0.006461] Yama: becoming mindful.
[    0.006505] SELinux:  Initializing.
[    0.006849] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.006893] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[    0.008093] CPU: Testing write buffer coherency: ok
[    0.008169] ftrace: allocating 31745 entries in 63 pages
[    0.071546] CPU0: update cpu_capacity 448
[    0.071596] CPU0: thread -1, cpu 0, socket 1, mpidr 80000100
[    0.071832] Setting up static identity map for 0x40208280 - 0x40208318
[    0.079277] EFI services will not be available.
[    0.081758] CPU1: update cpu_capacity 448
[    0.081766] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.083684] CPU2: update cpu_capacity 448
[    0.083691] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[    0.085564] CPU3: update cpu_capacity 448
[    0.085571] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[    0.087421] CPU4: update cpu_capacity 1535
[    0.087428] CPU4: thread -1, cpu 0, socket 0, mpidr 80000000
[    1.084983] CPU5: failed to boot: -110
[    2.084997] CPU6: failed to boot: -110
[    3.085014] CPU7: failed to boot: -110
[    3.085076] Brought up 5 CPUs
[    3.085104] SMP: Total of 5 processors activated (240.00 BogoMIPS).
[    3.085131] CPU: All CPU(s) started in HYP mode.