ssh后执行iotop命令报错。已经更新修复还是一样

飘云

系统版本：X86/ARM

设备环境：物理机，系统版本：1.1.29

BUG现象：ssh连接后，sudo su切换到root。执行iotop命令报错。，执行htop命令可以

已经执行过修复，升级命令：sudoapt update &&sudoapt upgrade iotop

升级成功后。还是出现错误。

出现频率：每次执行都出现报错信息如下：

root@YunfnOS:/vol1/1000/V1SSD# iotop
Traceback (most recent call last):
  File "/usr/sbin/iotop", line 17, in <module>
    main()
  File "/usr/lib/python3/dist-packages/iotop/ui.py", line 776, in main
    main_loop()
  File "/usr/lib/python3/dist-packages/iotop/ui.py", line 766, in <lambda>
    main_loop = lambda: run_iotop(options)
                        ^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/iotop/ui.py", line 647, in run_iotop
    return curses.wrapper(run_iotop_window, options)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3.11/curses/__init__.py", line 94, in wrapper
    return func(stdscr, *args, **kwds)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/iotop/ui.py", line 639, in run_iotop_window
    ui.run()
  File "/usr/lib/python3/dist-packages/iotop/ui.py", line 188, in run
    self.refresh_display(iterations == 0, total, current,
  File "/usr/lib/python3/dist-packages/iotop/ui.py", line 499, in refresh_display
    lines = self.get_data()
            ^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/iotop/ui.py", line 471, in get_data
    return list(map(format, processes))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/iotop/ui.py", line 446, in format
    cmdline = p.get_cmdline()
              ^^^^^^^^^^^^^^^
  File "/usr/lib/python3/dist-packages/iotop/data.py", line 311, in get_cmdline
    cmdline = proc_cmdline.read(4096)
              ^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen codecs>", line 322, in decode
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xad in position 71: invalid start byte

飞牛运营同学

感谢反馈！该问题为 iotop 工具链已知编码兼容异常，非磁盘或系统 I/O 故障。

飘云

飞牛运营同学 发表于 2026-4-21 16:13
感谢反馈！该问题为 iotop 工具链已知编码兼容异常，非磁盘或系统 I/O 故障。
...

没升级1.1.29版本是正常时候用的。
升级后。就无法使用iotop命令呢