I can't log in from a serial port under kernel 2.4.9-12. It used
to work fine. zsh blocks at
Created attachment 37703 [details]
Can you see if using zsh as shipped with Red Hat Linux 7.2 helps?
I did try zsh from RedHat 7.2. It has the same problem.
The one from rawhide? (4.0.4)
# rpm -q zsh
# strace -p 20994
zsh in RedHat 7.3 has the same problem. I am uploading a patch.
Created attachment 58047 [details]
A patch to support serial port.
Patch added to zsh-4.0.4-8
Has this patch been ever proposed to Zsh upstream?
According to the following thread at the upstream mailing list:
... it was not a bug of Zsh, so the fix does not belong there. A possible workaround is to use 'agetty -L':
... or mgetty:
patch removed in zsh-5.3.1-6.fc27 by the following downstream commit: