It is wired that tty1 ~ tty6 frequently be fronzen on my Arch Linux. When this problem occurs, all the tty console(tty1 ~ tty6) display nothing but a underline cursor which is not blinking. However, I can even login into my system if I input the correct username and password. When I typing my username and password, there is nothing appear on the screen, but the login status can be checked via systemd's journal.

I really wondering why and how my tty can be stuck?

  • what is your kernel version?, did you recently upgrade your system? – saga Jan 16 '17 at 15:54
  • My kernel is 4.4.39-1-lts #1 SMP x86_64 GNU/Linux, this is a fresh installed system, I just moved from Debian 8 to Arch. – user3824053 Jan 16 '17 at 16:01
  • Do you use grub or systemd boot? – saga Jan 16 '17 at 16:06
  • I have both grub and systemd installed, I think grub is responsible for the system booting, I am not sure of it. How could I check this? – user3824053 Jan 16 '17 at 16:09
  • How does it freeze? Pressing ctrl-s blocks the terminal output. It can be fixed by pressing ctrl-q. – saga Jan 16 '17 at 16:21

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