Ipsec (openswan) secure channel is transplanted in imx6ull chip on kernal 4.3..., but the following error will be prompted, please tell me how to solve it. This should be a platform issue. I have seen other people raise this issue in the community, but I have not found a solution.
INFO: IPsec-SA established: ESP/Tunnel 192.168.3.77[500]->192.168.3.1[500] spi=7872688)
DEBUG: ===
Unable to handle kernel paging request at virtual address 70000000
pgd = 80004000
[70000000] *pgd=00000000
Internal error: Oops: 805 [#1] PREEMPT SMP ARM
Modules linked in: esp4 xfrm4_mode_tunnel hmac ov5642_camera mxc_v4l2_capture ipu_bg_overlay_sdc ipu_still g
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.1.15-1.1.1+gd5d7c02 #1
Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
task: 80b038f0 ti: 80afe000 task.ti: 80afe000
PC is at v7_dma_clean_range+0x20/0x38
LR is at __dma_page_cpu_to_dev+0x28/0x94
pc : [<8001ee3c>] lr : [<8001ad90>] psr: 000f0113
sp : 80affc48 ip : ab757000 fp : 00000000
r10: a89e8b40 r9 : a876b410 r8 : 00000000
r7 : 00000001 r6 : 00000000 r5 : ab557000 r4 : 00000000
r3 : 0000001f r2 : 00000020 r1 : 70000000 r0 : 70000000
Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c53c7d Table: 389b004a DAC: 00000015
Process swapper/0 (pid: 0, stack limit = 0x80afe210)
Stack: (0x80affc48 to 0x80b00000)
......
