Switched to fglrx-updates for graphic drivers (for R9 290 on 15.04) and I got this issue. Had to use the GRUB_GFXPAYLOAD_LINUX workaround.
Switched to fglrx-updates for graphic drivers (for R9 290 on 15.04) and I got this issue. Had to use the GRUB_GFXPAYLOAD _LINUX workaround.