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當我打開,讀取或寫入我的嵌入式Linux TTY S1時,我的操作系統崩潰。的崩潰日誌如下:Linux TTY S1打開失敗
[<80105990>] dump_stack+0x8/0x34
[<8010b1d8>] sb2_intr+0x5c/0x88
[<80177adc>] handle_IRQ_event+0x78/0x170
[<8017a0e4>] handle_percpu_irq+0x5c/0xbc
[<80123c40>] do_IRQ+0xc8/0x16c
[<80101800>] ret_from_irq+0x0/0x4
[<80307164>] serial8250_handle_port+0x320/0x374
[<8030723c>] serial8250_interrupt+0x84/0x1dc
[<80177adc>] handle_IRQ_event+0x78/0x170
[<8017a0e4>] handle_percpu_irq+0x5c/0xbc
dmesg的日誌說:
serial8250: too much work for irq3