crash booting upstream 4.12.8 on RPi2 with ftrace_filter=__request_module ftrace=function

upstream-4.12.8-rpi2.txt

[    0.000000] Booting Linux on physical CPU 0xf00
[    0.000000] Linux version 4.12.8 (hias@camel2) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611) ) #1 SMP Sat Aug 19 13:15:50 CEST 2017
[    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (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] OF: fdt: Machine model: Raspberry Pi 2 Model B Rev 1.1
[    0.000000] earlycon: pl11 at MMIO32 0x3f201000 (options '')
[    0.000000] bootconsole [pl11] enabled
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] efi: Getting EFI parameters from FDT:
[    0.000000] efi: UEFI not found.
[    0.000000] cma: Reserved 64 MiB at 0x2b000000
[    0.000000] percpu: Embedded 17 pages/cpu @ea9a8000 s39552 r8192 d21888 u69632
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 191008
[    0.000000] Kernel command line: earlyprintk console=ttyAMA0 bcm2708_fb.fbwidth=1280 bcm2708_fb.fbheight=1024 bcm2708_fb.fbswap=1 dma.dmachans=0x7f35 bcm2709.boardrev=0xa01041 bcm2709.serial=0x89ede62e bcm2709.uart_clock=48000000 bcm2709.disk_led_gpio=47 bcm2709.disk_led_active_low=0 smsc95xx.macaddr=B8:27:EB:ED:E6:2E vc_mem.mem_base=0x3dc00000 vc_mem.mem_size=0x3f000000  root=/dev/mmcblk0p2 rw rootwait earlycon=pl011,mmio32,0x3f201000 ftrace_filter=__request_module ftrace=function
[    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: 675796K/770048K available (11264K kernel code, 1501K rwdata, 4196K rodata, 2048K init, 410K bss, 28716K reserved, 65536K 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 : 0xef800000 - 0xff800000   ( 256 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xef000000   ( 752 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0208000 - 0xc0e00000   (12256 kB)
[    0.000000]       .init : 0xc1400000 - 0xc1600000   (2048 kB)
[    0.000000]       .data : 0xc1600000 - 0xc17777f0   (1502 kB)
[    0.000000]        .bss : 0xc1780cbc - 0xc17e7898   ( 411 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[    0.000000] ftrace: allocating 44105 entries in 130 pages
[    0.000000] Starting tracer 'function'
[    0.000000] Hierarchical RCU implementation.
[    0.000000] 	RCU debugfs-based tracing is enabled.
[    0.000000] 	RCU restricting CPUs from NR_CPUS=16 to nr_cpu_ids=4.
[    0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4
[    0.000000] NR_IRQS:16 nr_irqs:16 16
[    0.000000] Unable to handle kernel paging request at virtual address c11d00e8
[    0.000000] pgd = c0204000
[    0.000000] [c11d00e8] *pgd=0101940e(bad)
[    0.000000] Internal error: Oops: 80d [#1] SMP ARM
[    0.000000] Modules linked in:
[    0.000000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.12.8 #1
[    0.000000] Hardware name: BCM2835
[    0.000000] task: c1608100 task.stack: c1600000
[    0.000000] PC is at smp_set_ops+0x2c/0x3c
[    0.000000] LR is at 0xc11d00e8
[    0.000000] pc : [<c14058c4>]    lr : [<c11d00e8>]    psr: a00000d3
[    0.000000] sp : c1601f08  ip : c153af40  fp : c1601f14
[    0.000000] r10: c1601f48  r9 : 00000200  r8 : 00000100
[    0.000000] r7 : c1601f50  r6 : ea9f7660  r5 : 00000000  r4 : c16043bc
[    0.000000] r3 : c14451c4  r2 : 00000000  r1 : 00000000  r0 : 00000000
[    0.000000] Flags: NzCv  IRQs off  FIQs off  Mode SVC_32  ISA ARM  Segment none
[    0.000000] Control: 10c5387d  Table: 0020406a  DAC: 00000051
[    0.000000] Process swapper/0 (pid: 0, stack limit = 0xc1600220)
[    0.000000] Stack: (0xc1601f08 to 0xc1602000)
[    0.000000] 1f00:                   c1601f3c c1601f18 c1445374 c14058a4 c068d488 00000000
[    0.000000] 1f20: ea9f7660 ea244300 c1601f48 00000000 c1601f84 c1601f40 c14b78e8 c1445220
[    0.000000] 1f40: 00000010 00000000 ea2442c0 ea2442c0 c1601f50 c1601f50 c065d450 c14dca20
[    0.000000] 1f60: c1780cc0 c1603c40 ffffffff c1780cc0 c14dca30 eafff940 c1601f94 c1601f88
[    0.000000] 1f80: c1444fac c14b7780 c1601fac c1601f98 c1403994 c1444f98 00000000 00000000
[    0.000000] 1fa0: c1601ff4 c1601fb0 c1400c54 c140396c ffffffff ffffffff 00000000 c1400750
[    0.000000] 1fc0: 00000000 c14dca30 00000000 c1781294 c1603c58 c14dca2c c16094e4 0020406a
[    0.000000] 1fe0: 410fc075 00000000 00000000 c1601ff8 0020807c c1400a18 00000000 00000000
[    0.000000] [<c14058c4>] (smp_set_ops) from [<c1445374>] (bcm2836_arm_irqchip_l1_intc_of_init+0x160/0x180)
[    0.000000] [<c1445374>] (bcm2836_arm_irqchip_l1_intc_of_init) from [<c14b78e8>] (of_irq_init+0x174/0x2c4)
[    0.000000] [<c14b78e8>] (of_irq_init) from [<c1444fac>] (irqchip_init+0x20/0x24)
[    0.000000] [<c1444fac>] (irqchip_init) from [<c1403994>] (init_IRQ+0x34/0x98)
[    0.000000] [<c1403994>] (init_IRQ) from [<c1400c54>] (start_kernel+0x248/0x3a8)
[    0.000000] [<c1400c54>] (start_kernel) from [<0020807c>] (0x20807c)
[    0.000000] Code: e1a0c000 e300e0e8 e8bc000f e34ce11d (e8ae000f) 
[    0.000000] ---[ end trace 0000000000000000 ]---
[    0.000000] Kernel panic - not syncing: Attempted to kill the idle task!
[    0.000000] ---[ end Kernel panic - not syncing: Attempted to kill the idle task!