WebI am trying to configure a GPIO pin as output but it is failing with the reason of device or resource busy. The pin is configured as output, open-drain and belongs to the group of gpiochip24 at offset 3. On reading the information from line info IOCTL I can see that the flag is 3 ( OPEN_DRAIN) and is assigned a consumer. Web13 nov. 2024 · ioctl(TUNSETIFF): Device or resource busy ip tuntap add test_tun mode tap user root ioctl(TUNSETIFF): Device or resource busy #!/bin/ sh set - x switch = virbr0 if [ …
What is error "IOError: [Errno 16] Device or resource busy"?
Web5 jul. 2009 · cfdisk uses ioctl (fd, BLKRRPART, NULL) to tell Linux to reread the partition table. Two of the other tools recommended so far ( hdparm -z DEVICE, sfdisk -R DEVICE) does exactly the same thing. The partprobe DEVICE command, on the other hand, seems to use a new ioctl called BLKPG, which might be better; I don't know. Web2 jan. 2024 · There are several components interacting here: grub-update trying to find all the kernels you may want to boot autozsys creating a snapshot after every apt upgrade/install (this is relatively new) The grub zfs code tries to find kernels in various places, including in zfs snapshots. If you're not creating a gazillion snapshots, this is … the rowan anne mccaffrey ebook
解决Linux Device or resource busy问题_heianduck的博客-CSDN …
Web13 jan. 2024 · This ioctl locks the memory pages of the buffer in physical memory, they cannot be swapped out to disk. Buffers remain locked until dequeued, until the VIDIOC_STREAMOFF or ioctl VIDIOC_REQBUFS ioctl is called, or until the device is closed. /* Allocate 5 buffers and form and abstraction to buffers with a continous loop of … Web9 apr. 2024 · if (ioctl (dev_i2c,I2C_SLAVE,I2C_EEPROM_UCR_ADDRESS) < 0) {. printf ("Failed to acquire bus access and/or talk to slave 0xAE with error %d … Web9 jul. 2024 · 一、下载i2c-tools,交叉编译. 1、从开源网站 http://dl.lm-sensors.org/i2c-tools/releases/ 下载i2c-tools. 2、编译生成对应的可执行文件. i2cdetect, i2cdump, i2cget, … the rowan antrim