hello_device = device_create(hello_class, NULL, MKDEV(0, 0), NULL, "hello"); if (IS_ERR(hello_device)) { printk(KERN_ERR "Failed to create device\n"); return PTR_ERR(hello_device); } return 0; } ``` **4. 创建sysfs文件** 最后,我们使用sysfs_create_file函数为设备创建一个sysfs...
err =sysfs_create_file(power_kobj, &idle_state_attr.attr);#ifdefSPM_SODI_ENABLEDerr |=sysfs_create_file(power_kobj, &soidle_state_attr.attr);#endif#ifdefSPM_MCDI_FUNCerr |=sysfs_create_file(power_kobj, &mcidle_state_attr.attr);#endiferr |=sysfs_create_file(power_kobj, &dpidle_stat...
{intretval; dp83867_kobj= kobject_create_and_add("dp83867", kernel_kobj);if(!dp83867_kobj)return-ENOMEM; retval= sysfs_create_file(dp83867_kobj, &dp83867_attribute.attr);if(retval) kobject_put(dp83867_kobj);returnretval; }staticvoiddp83867_remove(structphy_device *phydev) { g_phydev...
加载驱动时报错sysfs: cannot create duplicate filename ‘/class/second_drv‘,程序员大本营,技术文章内容聚合第一站。
cannot create duplicate filename '/class/spi_master/spi1' 创建了两个相同的控制器,创建了两次控制器1 解决方案:找到设置为 控制器1 的, .bus_num ,将它设为0 struct s3c2410_spi_info spi0_info={ .num_cs=0xffff, .bus_num=0, //1 , //把1改成0 。 bus_num的值就是几号控制器 ...
WARNING: at /tmp/buildd/linux-2.6-2.6.32/debian/build/source_amd64_none/fs/sysfs/dir.c:491 sysfs_add_one+0xcc/0xe4() Hardware name: ProLiant DL320s G1 sysfs: cannot create duplicate filename '/devices/virtual/block/pool!vms!slc5-ui-proto@20101104' ...
解释“sysfs: cannot create duplicate filename”错误信息的含义 "sysfs: cannot create duplicate filename" 错误信息通常出现在Linux系统中,特别是在与sysfs(一个虚拟文件系统,用于导出内核对象的信息)交互时。这个错误表明尝试在sysfs中创建一个已经存在的文件名,即尝试创建了一个重复的条目。sysfs用于表示内核中的设...
System log reports boot time sysfs WARNING messages like Raw [ 20.658238] WARNING: CPU: 6 PID: 461 at fs/sysfs/dir.c:31 sysfs_warn_dup+0x64/0x80 [ 20.658240] sysfs: cannot create duplicate filename '/class/mdio_bus/ixgbe-mdio-0000:' or Raw [ 171.741561] WARNING: CPU: 84 PID: 18...
When using a system with two or more of the same FPGA programming file MDIS will crash with: [ 5.371765] sysfs: cannot create duplicate filename '/devices/men_chameleon/CC10-02IC200' [ 5.371775] WARNING: CPU: 5 PID: 303 at /build/linux-C...
Dec 4 17:22:47 node1 kernel: sysfs: cannot create duplicate filename '/fs/gfs2/test_cluster:gfsfs' Environment Red Hat Enterprise Linux (RHEL) 6 or 7 Pacemaker Cluster with Resilient Storage Add On Subscriber exclusive content A Red Hat subscription provides unlimited access to our knowledge...