18.15. 串​​​​​​​行​​​​​​​控​​​​​​​制​​​​​​​台​​​​​​​错​​​​​​​误​​​​​​​

你​​​​​​​在​​​​​​​串​​​​​​​行​​​​​​​控​​​​​​​制​​​​​​​台​​​​​​​里​​​​​​​接​​​​​​​受​​​​​​​不​​​​​​​到​​​​​​​任​​​​​​​何​​​​​​​输​​​​​​​出​​​​​​​。​​​​​​​要​​​​​​​解​​​​​​​决​​​​​​​这​​​​​​​个​​​​​​​问​​​​​​​题​​​​​​​,你​​​​​​​必​​​​​​​须​​​​​​​把​​​​​​​ grub.conf 里​​​​​​​的​​​​​​​串​​​​​​​口​​​​​​​参​​​​​​​数​​​​​​​修​​​​​​​改​​​​​​​为​​​​​​​:
serial  --unit=1  --speed=115200
title RHEL5 i386 Xen (2.6.18-1.2910.el5xen)
root (hd0, 8)
kernel /boot/xen.gz-2.6.18-1.2910.el5 com2=115200,8n1
module /boot/vmlinuz-2.6.18-1.2910.el5xen to root=LABEL=RHEL5_i386 console=tty console=ttyS1115200
module /boot/initrd-2.8.6.18-12910.el5xen.img

title RHEL5 i386 xen (2.6.18.-1.2910.el5xen
root (hd0, 8)
kernel /boot/xen.gz-2.6.18-1.2910.el5 com2=115200 console=com2l
module /boot/vmlinuz2.6.18-1.2910.el5xen to root=LABEL=RHEL5_i386 console=xvc xencons=xvc
module /boot/ititrd-2.6.18-1.2910.el5xen.img
这​​​​​​​些​​​​​​​对​​​​​​​ grub.conf 的​​​​​​​修​​​​​​​改​​​​​​​应​​​​​​​该​​​​​​​能​​​​​​​使​​​​​​​串​​​​​​​行​​​​​​​控​​​​​​​制​​​​​​​台​​​​​​​正​​​​​​​常​​​​​​​工​​​​​​​作​​​​​​​。​​​​​​​你​​​​​​​应​​​​​​​该​​​​​​​能​​​​​​​够​​​​​​​使​​​​​​​用​​​​​​​任​​​​​​​何​​​​​​​数​​​​​​​量​​​​​​​的​​​​​​​ ttyS ,如​​​​​​​ ttyS0 。​​​​​​​

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