Ubuntu 17.10 can brick some laptops

Downloads of Ubuntu 17.10 have been disabled due to anissue that can cause it to corrupt the firmware on some laptops.Lenovo laptops appear to be the most affected, but the problem isapparently not limited to them. The intel-spi driver has been named as thesource of the problem; it's not clear whether other distributions may alsobe affected. If you downloaded 17.10, you might want to hold off oninstalling it.