新手入门
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- 2023-2-13
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- 3 小时
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9金钱
和教程里的代码基本完全一样 但就是报错 空指针 Unable to handle kernel NULL pointer dereference at virtual address 00000004
pgd = 8844c000
[00000004] *pgd=883a5831, *pte=00000000, *ppte=00000000
Internal error: Oops: 817 [#1] PREEMPT SMP ARM
Modules linked in: imx6uirq(O)
CPU: 0 PID: 70 Comm: irqapp Tainted: G O 4.1.15 #2
Hardware name: Freescale i.MX6 Ultralite (Device Tree)
task: 886117c0 ti: 88424000 task.ti: 88424000
PC is at remove_wait_queue+0x30/0x48
LR is at 0x0
pc : [<80065760>] lr : [<00000000>] psr: 60070093
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