[Bug 281489] linux: unsupported ioctl TIOCGPTPERR / linux_ioctl_fallback cmd=0x5441 ('T',65) and cmd=0x541c ('T',28) is not implemented..

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=281489

--- Comment #3 from ykla <[email protected]> ---
I found that even when it seems stuck, it is actually possible to enter some
non-interactive commands. However, any interactive command reports a tty
problem. I also tried zsh, and it behaves the same way. The `dmesg` error is
still:

```
linux: jid 0 pid 5091 (nano): linux_ioctl_fallback fd=2, cmd=0x802c542a
('T',42) is not implemented
```

I also tried Gentoo Linux on FreeBSD; currently, the rolling-release Gentoo
still works fine. However, considering that Arch Linux’s aggressive approach
often represents the trend of all Linux distributions, gradually all
distributions may become unusable.



````````
root@ykla:~ # chroot /compat/arch/ /bin/bash
nano
Standard input is not a terminal
````


```
root@ykla:~ # chroot /compat/arch/
sh-5.3# ls
ls
bin
boot
dev
etc
home
lib
lib64
mnt
opt
proc
root
run
sbin
srv
sys
tmp
usr
var
sh-5.3# top
top
top: failed tty get
sh-5.3# uname
uname
Linux
sh-5.3# bash
bash
uname
Linux
```

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