Debian 6 , 十个串口为什么只识别到了 6个剩下4 个被禁止了

桃扇骨 2022-01-16 06:29 182阅读 0赞

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0.946441\] Serial: 8250/16550 driver, 6 ports, IRQ sharing enabled  
\[    0.946533\] serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A  
\[    0.946623\] serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A  
\[    0.946896\] 00:06: ttyS4 at I/O 0x210 (irq = 11) is a 16550A  
\[    0.947012\] 00:07: ttyS5 at I/O 0x218 (irq = 11) is a 16550A  
\[    0.947128\] 00:08: ttyS2 at I/O 0x220 (irq = 11) is a 16550A  
\[    0.947244\] 00:09: ttyS3 at I/O 0x228 (irq = 11) is a 16550A  
\[    0.947369\] 00:0b: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A  
\[    0.947486\] 00:0c: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A  
\[    0.947718\] serial 00:0e: disabled  
\[    0.947915\] serial 00:0f: disabled  
\[    0.948094\] serial 00:10: disabled  
\[    0.948271\] serial 00:11: disabled  
  
  
硬件是  Intel(R) ICH9M LPC Interface Controller - 2919串口

====================================================

解决方法 红色部分，

GRUB\_CMDLINE\_LINUX\_DEFAULT="quiet splash nomodeset video=uvesafb:mode\_option=800  
x600-24,mtrr=3,scroll=ywrap 8250.nr\_uarts=10"  
GRUB\_CMDLINE\_LINUX=""

然后记得执行  update-grub

另外， 需要打个补丁。

不清楚原因， 高手告诉我的。

http://files.cnblogs.com/files/MysticBoy/sio\_irq\_share.7z

安装介绍

1. tar xf sio\_irq\_share.tar.gz

2. cp sio\_irq\_share/sio\_share /bin

3. cp sio\_irq\_share/sio\_share.sh /etc/init.d

4. cd /etc/init.d

5. update-rc.d sio\_share.sh defaults 00

6. reboot

7. 检查启动日志 boot.log 或者在启动界面上也可以看到 "Fintek 216 SIO configuration successful"