> > Try booting with mem=4G as a first experiment. > > Still got the problem. I had already tried physically removing 4Gb, I assume you've also tried using just the other 4GB stick already > > [trantor] /proc $cat cmdline > ro root=/dev/VelociRaptor/F10root mem=4G > > > Failed on the 4th attempt ... > > $cp file1.zip new_file.zip ; cmp file1.zip new_file.zip > $cp file1.zip new_file.zip ; cmp file1.zip new_file.zip > $cp file1.zip new_file.zip ; cmp file1.zip new_file.zip > $cp file1.zip new_file.zip ; cmp file1.zip new_file.zip > file1.zip new_file.zip differ: byte 135644629, line 513910 Does feel like hardware or a BIOS setup failure of some sort - is the IDE/AHCI controller on the mainboard or a plug in card ? - Have you checked the box for BIOS updates and also tried resetting to the BIOS safe defaults and retesting ? -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines