加载lcd进内核的时候出现问题

小破孩

imx6u-vdma 43000000.dma: Imx6u AXI VDMA Engine Driver Probed!!
imx6u-vdmafb amba_pl:xlnx_vdma_lcd: Failed to get lcd id gpio
imx6u-vdmafb amba_pl:xlnx_vdma_lcd: LCD ID: 1
Unhandled fault: imprecise external abort (0x406) at 0x00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops - BUG: 406 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.14.0-imx6u #11
Hardware name: Imx6u fire Platform
task: ef03f840 task.stack: ef040000
PC is at dglnt_dynclk_enable+0x34/0x4c
LR is at arm_heavy_mb+0x18/0x38
pc : [<c0349368>]    lr : [<c0113844>]    psr: 60000013
sp : ef041db8  ip : 000002cb  fp : 00a12220
r10: f0910000  r9 : d2cfa401  r8 : 00800083
r7 : 006300ff  r6 : 00000082  r5 : ef380294  r4 : ef380294
r3 : dec0de1c  r2 : 00000001  r1 : c072f430  r0 : f0808730
Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
Control: 18c5387d  Table: 0000404a  DAC: 00000051
Process swapper/0 (pid: 1, stack limit = 0xef040210)
Stack: (0xef041db8 to 0xef042000)
1da0:                                                       00000000 c03495a8
1dc0: 00028488 00000021 00000005 00000004 ef2bcf00 ef2bcf00 00000000 ef007e00
1de0: 05f5e0ff ef16e200 00000000 00000000 00000000 c03446cc 00000000 01f78a40
1e00: ef2bcf00 ef2bcf00 ef16e200 ef10f60c 00000000 c034481c ef300500 01f78a40
1e20: ef16e210 ef10f400 ef16e200 c034486c ef10f698 00000000 ef16e210 c03b1e50
1e40: 00000000 c022b338 01f78a40 00000320 000000d2 0000002e 00000014 000001e0
1e60: 00000016 00000017 00000003 000010a5 c03b1d5c ef16e210 c0a18758 00000000
1e80: 00000000 c0a18758 00000000 c03bad44 ef16e210 c0a55c2c c0a55c30 c03b96e8
1ea0: ef16e210 ef16e244 c0a18758 c0a18c98 00000000 c093be00 c093383c c03b98e4
1ec0: 00000000 c0a18758 c03b9864 c03b7ffc ef076f58 ef0e40b4 c0a18758 00000000
1ee0: ef2bc080 c03b8d64 c080e4ff c080e507 00000000 c0a18758 c0918f84 c0933834
1f00: 000000cf c03ba070 ffffe000 c0918f84 c0933834 c010191c c0889800 00000000
1f20: 00000000 c0132db0 00000000 c08887e8 000000cf 00000006 00000006 c0889814
1f40: 000000ce c0889814 efffcd76 efffcd81 c093383c 00000007 c0a3ba40 c0933830
1f60: 00000007 c0a3ba40 c0933834 000000cf c0a3ba40 c0900d48 00000006 00000006
1f80: 00000000 c09005a0 00000000 c0650a8c 00000000 00000000 00000000 00000000
1fa0: 00000000 c0650a94 00000000 c0106f90 00000000 00000000 00000000 00000000
1fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
1fe0: 00000000 00000000 00000000 00000000 00000013 00000000 02000000 04000004
[<c0349368>] (dglnt_dynclk_enable) from [<c03495a8>] (dglnt_dynclk_set_rate+0x178/0x1a8)
[<c03495a8>] (dglnt_dynclk_set_rate) from [<c03446cc>] (clk_change_rate+0x118/0x1f4)
[<c03446cc>] (clk_change_rate) from [<c034481c>] (clk_core_set_rate_nolock+0x74/0xa0)
[<c034481c>] (clk_core_set_rate_nolock) from [<c034486c>] (clk_set_rate+0x24/0x34)
[<c034486c>] (clk_set_rate) from [<c03b1e50>] (vdmafb_probe+0xf4/0x35c)
[<c03b1e50>] (vdmafb_probe) from [<c03bad44>] (platform_drv_probe+0x50/0xa0)
[<c03bad44>] (platform_drv_probe) from [<c03b96e8>] (driver_probe_device+0x13c/0x2b8)
[<c03b96e8>] (driver_probe_device) from [<c03b98e4>] (__driver_attach+0x80/0xa4)
[<c03b98e4>] (__driver_attach) from [<c03b7ffc>] (bus_for_each_dev+0x68/0x8c)
[<c03b7ffc>] (bus_for_each_dev) from [<c03b8d64>] (bus_add_driver+0xc8/0x1dc)
[<c03b8d64>] (bus_add_driver) from [<c03ba070>] (driver_register+0x9c/0xe0)
[<c03ba070>] (driver_register) from [<c010191c>] (do_one_initcall+0xa4/0x11c)
[<c010191c>] (do_one_initcall) from [<c0900d48>] (kernel_init_freeable+0x10c/0x1c0)
[<c0900d48>] (kernel_init_freeable) from [<c0650a94>] (kernel_init+0x8/0x108)
[<c0650a94>] (kernel_init) from [<c0106f90>] (ret_from_fork+0x14/0x24)
Code: e5832000 e5143004 e5933004 f57ff04f (e3530000)
---[ end trace 55f090f0d1df4544 ]---
Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

CPU1: stopping
CPU: 1 PID: 0 Comm: swapper/1 Tainted: G      D         4.14.0-imx6u #11
Hardware name: Imx6u fire Platform
[<c010e77c>] (unwind_backtrace) from [<c010a994>] (show_stack+0x10/0x14)
[<c010a994>] (show_stack) from [<c064059c>] (dump_stack+0x80/0x9c)
[<c064059c>] (dump_stack) from [<c010cee0>] (ipi_cpu_stop+0x3c/0x70)
[<c010cee0>] (ipi_cpu_stop) from [<c010d6e4>] (handle_IPI+0x64/0x84)
[<c010d6e4>] (handle_IPI) from [<c0101414>] (gic_handle_irq+0x7c/0x98)
[<c0101414>] (gic_handle_irq) from [<c010b3cc>] (__irq_svc+0x6c/0xa8)
Exception stack(0xef05ff80 to 0xef05ffc8)
ff80: 00000001 00000000 00000000 c01167c0 00000000 00000000 ef05e000 ef05ffd8
ffa0: 0000406a 413fc090 00000000 00000000 2ee9f000 ef05ffd0 c01079a0 c01079a4
ffc0: 60000113 ffffffff
[<c010b3cc>] (__irq_svc) from [<c01079a4>] (arch_cpu_idle+0x2c/0x38)
[<c01079a4>] (arch_cpu_idle) from [<c014900c>] (do_idle+0xd0/0x198)
[<c014900c>] (do_idle) from [<c014920c>] (cpu_startup_entry+0x18/0x1c)
[<c014920c>] (cpu_startup_entry) from [<0010168c>] (0x10168c)
---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b

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