I have this same problem on arch linux / antergos after last update... please help. I dont have access to many important things
tomb
[D] Identified caller: tomasz (1000:100)
tomb[D] Tomb command: open priv.tomb
tomb[D] Caller: uid[1000], gid[100], tty[/dev/pts/2].
tomb[D] Temporary directory: /tmp/zsh
tomb . Commanded to open tomb priv.tombtomb[D] is_valid_tomb priv.tomb
tomb . Valid tomb file found: priv.tombtomb[D] load_key argument: priv.tomb.key
tomb[D] load_key: priv.tomb.key
tomb[D] is_valid_key
tomb . Key is valid.tomb . Mountpoint not specified, using default: /run/media/tomasz/privtomb(*) Opening priv on /run/media/tomasz/privtomb . This tomb is a valid LUKS encrypted device.tomb . Cipher is "aes" mode "xts-plain64:sha256" hash "sha1"tomb[D] dev mapper device: tomb.priv.1482078097.loop0
tomb[D] Tomb key: priv.tomb.key
tomb[D] Tomb name: priv (to be engraved)
tomb . A password is required to use key priv.tomb.keytomb[D] asking password with tty=/dev/pts/2 lc-ctype=pl_PL.UTF-8
tomb[D] using pinentry-gtk2
** (pinentry-gtk-2:22641):
WARNING **: it took 361 tries to grab the keyboard
tomb[D] get_lukskey
tomb[D] get_lukskey returns 0
tomb . Password OK.tomb[E] Failure mounting the encrypted file.
EDIT: In the future, please use code tags for better readability (piper, moderator)