(In reply to Michiya Hagimoto from comment #27) > Unfortunately, I'm still getting the same error when I revert to this > version. > However, since the frequency is decreasing, this itself seems to have some > effect, but the underlying reason is different. > > If one transitional update fails, all will be discarded, so let's see if we > can partially update it. I'm afraid that the issue will be harder to reproduce if you only perform partially update. I'd like to add test 4 with qemu 5.2.0-103.2: test 4: * keep everything unchange. * update rpm alone. * update rest of packages with the dup command.