【已解决】hi3531a烧录好系统，内核崩溃！

本帖最后由 qn1522720710 于 2020-3-3 16:15 编辑

出现崩溃前的操作1：断电重启，挂着系统（已加载官方驱动，未跑用户程序），崩了
出现崩溃前的操作2：断电重启，已加载官方驱动，gdb调试用户程序（还没输入r），突然崩了
两次崩溃的信息大致相同，这种崩溃存在随机性。

内核崩溃信息如下：
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops: 80000007 [#1] SMP ARM
Modules linked in: hi3531a_ive(PO) hi3531a_vda(PO) hi3531a_jpege(PO) hi3531a_h264e(PO) hi3531a_chnl(PO) hi3531a_venc(PO) hi3531a_rc(PO) hi3531a_hdmi(PO) hifb(PO) hi3531a_vou(PO) hi3531a_vpss(PO) hi3531a_viu(PO) hi3531a_vgs(PO) hi3531a_region(PO) hi3531a_tde(PO) hi3531a_jpegd(O) hi3531a_vfmw(PO) hi3531a_vdec(PO) hi3531a_sys(PO) hi3531a_base(PO) hi_media(O) hiuser(O) mmz(O)
CPU: 0 PID: 0 Comm: swapper/0 Tainted: P           O 3.10.0 #1
task: c05fe040 ti: c05ec000 task.ti: c05ec000
PC is at 0x0
LR is at hrtimer_get_next_event+0x88/0xa8
pc : [<00000000>]    lr : []    psr: 60000193
sp : c05edf38  ip : 00000000  fp : 00000000
r10: c05ec000  r9 : c05ec730  r8 : 00000000
r7 : 00000300  r6 : 00000000  r5 : 00000733  r4 : c05ec000
r3 : 00000000  r2 : 00980400  r1 : 0000032a  r0 : 08233f80
Flags: nZCv  IRQs off  FIQs on  Mode SVC_32  ISA ARM  Segment kernel
Control: 10c53c7d  Table: 5f2d004a  DAC: 00000015
...
[] (hrtimer_get_next_event+0x88/0xa8) from [] (__irq_svc+0x40/0x50)
[] (__irq_svc+0x40/0x50) from [] (arch_cpu_idle+0x2c/0x30)
[] (arch_cpu_idle+0x2c/0x30) from [] (cpu_startup_entry+0xfc/0x140)
[] (cpu_startup_entry+0xfc/0x140) from [] (start_kernel+0x314/0x320)
Code: bad PC value
---[ end trace 18fd96891298428f ]---
Kernel panic - not syncing: Attempted to kill the idle task!
CPU1: stopping
CPU: 1 PID: 0 Comm: swapper/1 Tainted: P      D    O 3.10.0 #1
[] (unwind_backtrace+0x0/0xf4) from [] (show_stack+0x10/0x14)
[] (show_stack+0x10/0x14) from [] (handle_IPI+0x188/0x1b0)
[] (handle_IPI+0x188/0x1b0) from [] (gic_handle_irq+0x88/0x8c)
[] (gic_handle_irq+0x88/0x8c) from [] (__irq_svc+0x40/0x50)
Exception stack(0xdf871f98 to 0xdf871fe0)
1f80:
1fa0: 00099136 00000000 c06242b9 c05fbd74 c0441e6c df870000 c06242b9 df870000
1fc0: df870000 c05fbd14 00000000 df871fe0 c0014244 c0014248 60000013 ffffffff
[] (__irq_svc+0x40/0x50) from [] (arch_cpu_idle+0x2c/0x30)
[] (arch_cpu_idle+0x2c/0x30) from [] (cpu_startup_entry+0xfc/0x140)
[] (cpu_startup_entry+0xfc/0x140) from [<40435b64>] (0x40435b64)
恳请各位大佬帮忙分析分析~:$