I've removed the 4.17rc4 packages and have returned to my original state.
That is, I cannot use 4.15.0-20, but I can use 4.15.0.15 okay.
I've removed the 4.17rc4 packages and have returned to my original state.
That is, I cannot use 4.15.0-20, but I can use 4.15.0.15 okay.