# emerge -ajvuDN --with-bdeps=y --keep-going=y @world ... skipped ... * Digest verification failed: * /usr/portage/main/x11-themes/gnome-icon-theme/gnome-icon-theme-3.12.0.ebuild * Reason: Failed on SHA256 verification * Got: 7ce76498bbdcae4b3171a0dc3a661dd47b7dc44cb866622617bb74bfb16d7cde * Expected: 3522d6d73a8eb3bf4664ae21bf2cfc0fa9de274db3abcf9dc963be2871d2a7bc
I can't reproduce that. Please post your `emerge --info' output in a comment.
Yep, my bad. It appears that both my machines were affected by SDC introduced in Linux 3.16 (reiserfs data corruption). Not a Portage bug.