/etc/name_to_major出错导致机器panic?

本帖最后由 johnson2002 于 2010-09-06 14:55 编辑

早上朋友的一个机器死了，reboot后察看日志。

Sep  6 10:10:30 beijsuxfile06 genunix: [ID 243001 kern.warning] WARNING: The binding file entry "xcalwd 272" conflicts with a previous entry on line 271 of /etc/name_to_major
Sep  6 10:10:30 beijsuxfile06 genunix: [ID 243001 kern.warning] WARNING: The binding file entry "pic16f819 273" conflicts with a previous entry on line 272 of /etc/name_to_major
Sep  6 10:10:30 beijsuxfile06 genunix: [ID 469587 kern.warning] WARNING: Device entry "usba10_usbser_edge 212" conflicts with previous entry "xcalwd 212" in /etc/name_to_major.
Sep  6 10:10:30 beijsuxfile06 genunix: [ID 469587 kern.warning] WARNING: Device entry "pic16f819 213" conflicts with previous entry "usba10_ohci 213" in /etc/name_to_major.

bash-2.03# grep pic16f819  /etc/name_to_major
pic16f819 213
pic16f819 273


bash-2.03# grep xcalwd  /etc/name_to_major
xcalwd 212
xcalwd 272

可能是什么原因？ 那位能仔细描述下/etc/name_to_major 的意义？能手工编辑这个文件(把重复的部分del掉) 吗？ 这个文件是每次重起自动生成吗?

/etc/name_to_major, List of currently configured major device numbers; used by drvconfig

没人回答?/