Efraim Flashner skribis: > When trying to run `guix environment foo --container` I don't get a container > with a new shell or any useful information, it just thinks about it for a > while and then returns to the command prompt, allowing me to enter another > command. > > efraim@debian-netbook:~$ strace -f -o log guix environment vim --container ; echo $? > 1 The failure is: --8<---------------cut here---------------start------------->8--- 21228 mount("none", "/tmp/guix-directory.5sVcGc//dev/pts", "devpts", MS_NOSUID|MS_NOEXEC, "newinstance,ptmxmode=0666,mode=6"...) = -1 EPERM (Operation not permitted) 21228 exit_group(1) = ? --8<---------------cut here---------------end--------------->8--- The problem may be that the kernel does not support CONFIG_DEVPTS_MULTIPLE_INSTANCES. Could you check that in /proc/config.gz or similar? The other problem is that there’s no error reporting, which doubles user frustration. David, could you look into it? :-) Ludo’.