Boot of both ubuntu-mate and lubuntu/lxqt (both 18.04) with kernel 4.15.0-10 in virtualbox:
Boot starts correctly until the boot screen appears; continues to boot for the fraction of a second. Then screen becomes black. System tries again to come up to the boot screen several times. Then stops completely.
No such problems with 4.13.0-36.
No such problems with mainline kernel, version 4.15.4 and/or 4.15.5: both boot correctly.
Boot of both ubuntu-mate and lubuntu/lxqt (both 18.04) with kernel 4.15.0-10 in virtualbox:
Boot starts correctly until the boot screen appears; continues to boot for the fraction of a second. Then screen becomes black. System tries again to come up to the boot screen several times. Then stops completely.
No such problems with 4.13.0-36.
No such problems with mainline kernel, version 4.15.4 and/or 4.15.5: both boot correctly.