Re: rxvt: can't open pseudo-tty
Peter S Galbraith wrote:
>
> Okay, I got my error again.
>
> Note: This occurs with rxvt v2.21 (latest vsn) and rxvt 2.20
> (from XFree-3.3). This is therefore not a Debian-specific problem.
>
> > /usr/X11R6/bin/rxvt
> rxvt: can't open pseudo-tty
> rxvt: aborting
>
> > strace rxvt
> [much stuff deleted]
> geteuid() = 1000
> getegid() = 1000
> getuid() = 1000
> setreuid(65535, 1000) = 0
> getgid() = 1000
> setregid(65535, 1000) = 0
> open("/dev/ptyp0", O_RDWR) = -1 EIO (I/O error)
> open("/dev/ptyp1", O_RDWR) = -1 EIO (I/O error)
> open("/dev/ptyp2", O_RDWR) = -1 EIO (I/O error)
> open("/dev/ptyp3", O_RDWR) = -1 EIO (I/O error)
> open("/dev/ptyp4", O_RDWR) = 4
> access("/dev/ttyp4", R_OK|W_OK) = -1 EACCES (Permission denied)
> close(4) = 0
> open("/dev/ptyp5", O_RDWR) = -1 EACCES (Permission denied)
> open("/dev/ptyp6", O_RDWR) = -1 EACCES (Permission denied)
> [more of the same...]
> open("/dev/ptysf", O_RDWR) = -1 EACCES (Permission denied)
> open("/dev/ptyt0", O_RDWR) = -1 ENOENT (No such file or directory)
> [more of the same...]
> open("/dev/ptyzf", O_RDWR) = -1 ENOENT (No such file or directory)
>
> > ls -l /dev/pty*
> crw-rw-rw- 1 root root 2, 0 Jul 2 16:04 /dev/ptyp0
> crw-rw-rw- 1 root root 2, 1 Jul 3 09:48 /dev/ptyp1
> crw-rw-rw- 1 root root 2, 2 Jul 2 11:06 /dev/ptyp2
> crw-rw-rw- 1 root root 2, 3 Jul 3 09:44 /dev/ptyp3
> crw-rw-rw- 1 root root 2, 4 Jul 3 09:44 /dev/ptyp4
> crw-r--r-- 1 root sys 2, 5 May 19 21:33 /dev/ptyp5
> crw-r--r-- 1 root sys 2, 6 May 19 21:33 /dev/ptyp6
> crw-r--r-- 1 root sys 2, 7 May 19 21:33 /dev/ptyp7
> [etc...]
>
> The weirdest thing is that
> (1) I could open rxvt's yesterday when I left (and the PC was left
> untouched overnight)
> (2) After a few errors, the command works again.
The next time you get this error, run (as root):
for i in /dev/pty* ; do fuser -v $i ; done
and see what processes are using up all your pty's.
--
Jens B. Jorgensen
jjorgens@bdsinc.com
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