8250串口调试求教

[AI__man]

运行串口测试程序时摁“CTRL+C”或KILL测试程序对应的进程时，一直不断地打印如下信息，此打印信息来自8250.c文件中的serial8250_interrupt函数，有木有遇到过同样的问题的啊，求大神们指教啊

^Cserial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250_interrupt: 23225 callbacks suppressed
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250: too much work for irq43
serial8250_interrupt: 23226 callbacks suppressed

[plxie]

请问这问题解决了吗？我也遇到这问题，经常一直打印serial8250: too much work for irq 9，应用程序那边就是打开串口，阻塞着收数据，串口还没有读写操作，一开机就打印这错误信息了

[bluebai1231]

额，没遇到过 兄台调试成功了吗，我这有个大大的问题 能帮我解决下么，邮箱 [e-mail]

[plxie]

我的是因为设置串口的时候产生了忙中断，清中断后又设置串口，继续忙中断，导致死循环，我把写LCR寄存器注掉了，直接原因是串口收还是发少了个上拉电阻