求助：ubuntu下烧写工具无法烧写
背景：1。使用rkflashkit，会出现如下错误， 无法选择nand 分区
libusb: error libusb couldn't open USB device /dev/bus/usb/001/007: Permission denied
libusb: error libusb requires write access to USB device nodes.
Traceback (most recent call last):
File "/usr/share/rkflashkit/lib/rkflashkit/main.py", line 392, in __on_device_changed
op = rktalk.RkOperation(self.__logger, device_info, device_info)
File "/usr/share/rkflashkit/lib/rkflashkit/rktalk.py", line 106, in __init__
self.__dev_handle = device.open()
File "/usr/share/rkflashkit/lib/rkflashkit/usb1.py", line 1622, in open
raise libusb1.USBError(result)
rkflashkit.libusb1.USBError: LIBUSB_ERROR_ACCESS [-3]
2。使用upgrade_tool情况如下
upgrade_tool: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 2.6.24, BuildID=7c7f75f253274e23523b1fe1267160b081967534, not stripped
发现upgrade_tool是32bit版本， 但是我的主机是ubuntu_16.04 64bit所以libudev.so.1库不兼容,
两种情况都没有解决办法, 求助大神指点
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