编译模块出现Entering directory `/usr/src/kernels/2.6.9-11.EL-i686'是什么原因？

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编译模块出现Entering directory `/usr/src/kernels/2.6.9-11.EL-i686'是什么原因？

andfly_andfly
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发表于：2008-07-06 19:40:11 楼主

提示如下
[root@localhost Module_test2]# make
make -C /lib/modules/2.6.9-11.EL/build M=/root/home/Module_test2
make[1]: Entering directory `/usr/src/kernels/2.6.9-11.EL-i686'
LD /root/home/Module_test2/built-in.o
CC [M] /root/home/Module_test2/hello.o
Building modules, stage 2.
MODPOST
CC /root/home/Module_test2/hello.mod.o
LD [M] /root/home/Module_test2/hello.ko
make[1]: Leaving directory `/usr/src/kernels/2.6.9-11.EL-i686'
[root@localhost Module_test2]#

源代码如下
#include <linux/module.h>
#include <linux/config.h>
#include <linux/init.h>

static int __init hello_init(void)
{
printk("Hello module init\n");
return 0;
}

static void __exit hello_exit(void)
{
printk("Hello module exit\n");
}

module_init(hello_init);
module_exit(hello_exit);
MODULE_LICENSE("GPL");

Makefile如下
# Makefile2.6
ifneq ($(KERNELRELEASE),)
#kbuild syntax. dependency relationshsip of files and target modules are listed here.
mymodule-objs := hello.o
obj-m := hello.o
else
PWD := $(shell pwd)
KVER ?= $(shell uname -r)
KDIR := /lib/modules/$(KVER)/build
all:
$(MAKE) -C $(KDIR) M=$(PWD)
clean:
rm -rf .*.cmd *.o *.mod.c *.ko .tmp_versions
endif

请高手指点

问题点数：20 回复次数：5 修改删除举报引用回复

andfly_andfly
等级:

发表于：2008-07-07 01:10:261楼得分:0

tail /var/log/messages
可以看到下面的信息
[root@localhost Module_test2]# tail /var/log/messages
Jul 7 00:19:56 localhost htt_server[1739]: status has not been enabled yet. (1, 1)
Jul 7 00:20:17 localhost htt_server[1739]: status has not been enabled yet. (1, 2)
Jul 7 00:20:33 localhost last message repeated 9 times
Jul 7 00:20:54 localhost htt_server[1739]: status has not been enabled yet. (1, 1)
Jul 7 00:22:10 localhost htt_server[1739]: status has not been enabled yet. (1, 2)
Jul 7 00:22:12 localhost htt_server[1739]: status has not been enabled yet. (1, 2)
Jul 7 00:22:18 localhost htt_server[1739]: status has not been enabled yet. (1, 1)
Jul 7 00:22:20 localhost htt_server[1739]: status has not been enabled yet. (1, 2)
Jul 7 00:22:32 localhost htt_server[1739]: status has not been enabled yet. (1, 1)
Jul 7 00:57:03 localhost last message repeated 2 times

在日志中只是找到\u5740\u201cxml:readwrite:/root/.gconf\u201d\u89e3\u6790\u4e3a\u4f4d\u4e8e 0 \u7684\u53ef\u5199\u5165\u914d\u7f6e\u6e90
Jul 7 00:12:37 localhost kernel: Hello module init
Jul 7 00:17:57 localhost htt_server[1739]: status has not been enabled yet. (1, 1)
没有找到Hello module exit的打印
但是
[root@localhost Module_test2]# lsmod ¦ grep hello
hello 1536 0

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hefuhua
老兵
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发表于：2008-07-07 08:38:252楼得分:0

printk("Hello module init\n");

修改为:
printk(KERN_ALERT "Hello module init\n");
试试..

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andfly_andfly
等级:

发表于：2008-07-07 19:47:523楼得分:0

修改后的结果

[root@localhost Module_test2]# insmod ./hello.ko
[root@localhost Module_test2]# tail /var/log/messages
Jul 7 19:31:15 localhost fstab-sync[2388]: added mount point /media/floppy for /dev/fd0
Jul 7 19:33:04 localhost gdm(pam_unix)[2262]: session opened for user root by (uid=0)
Jul 7 19:33:06 localhost gconfd (root-2424): 正在启动(版本 2.8.1)，pid 2424 用户“root”
Jul 7 19:33:07 localhost gconfd (root-2424): 地址“xml:readonly:/etc/gconf/gconf.xml.mandatory”解析为位于 0 的只读配置源
Jul 7 19:33:07 localhost gconfd (root-2424): 地址“xml:readwrite:/root/.gconf”解析为位于 1 的可写入配置源
Jul 7 19:33:07 localhost gconfd (root-2424): 地址“xml:readonly:/etc/gconf/gconf.xml.defaults”解析为位于 2 的只读配置源
Jul 7 19:33:09 localhost htt_server[1704]: Client shut down the connection owned by im_id(1).
Jul 7 19:33:51 localhost gconfd (root-2424): 地址“xml:readwrite:/root/.gconf”解析为位于 0 的可写入配置源
Jul 7 19:43:37 localhost kernel: Hello module init
Jul 7 19:44:40 localhost htt_server[1704]: status has not been enabled yet. (1, 1)

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hefuhua
老兵
等级:

发表于：2008-07-08 08:40:054楼得分:0

如果要看到“Hello module exit”
就必须运行

#rmmod hello.ko
或者
#rmmod hello

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zclever
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发表于：2008-07-08 11:48:595楼得分:0

这提示信息不是成功的标志吗？？？？

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