Please pay special attention to the fact that you may need to know some knowledge and take a proper backup before trying the methods mentioned later.
I have tested and found that the kernel 4.19.32 may not have this problem,the problem in kernel 5.0.5 is obvious.
Under the kernel with this problem, I found a way, if the problem occurs, run the following command immediately under the appropriate permissions:
This may reset some of the system's operations, which may affect the next few seconds of IO operation, but should alleviate the unresponsive situation.
Please pay special attention to the fact that you may need to know some knowledge and take a proper backup before trying the methods mentioned later.
I have tested and found that the kernel 4.19.32 may not have this problem,the problem in kernel 5.0.5 is obvious.
Under the kernel with this problem, I found a way, if the problem occurs, run the following command immediately under the appropriate permissions:
sync && echo 3 > /proc/sys/ vm/drop_ caches && sync && echo 3 > /proc/sys/ vm/drop_ caches && sync && echo 3 > /proc/sys/ vm/drop_ caches
This may reset some of the system's operations, which may affect the next few seconds of IO operation, but should alleviate the unresponsive situation.