On 2015-12-02 17:13, Domenico Andreoli wrote:
> On Wed, Dec 2, 2015 at 5:06 PM, Aurelien Jarno <aurel...@aurel32.net> wrote:
>
> > On 2015-12-02 13:45, Domenico Andreoli wrote:
> > > Package: libc-bin
> > > Version: 2.21-1
> > >
> > > Hi,
> > >
> > > I'm unable to open some terminal applications like rxvt and konsole,
> > > don't know why but xterm still works.
> > >
> > > Running rxvt gives this output:
> > >
> > > $ rxvt
> > > rxvt: can't open pseudo-tty
> > > rxvt: aborting
> > > $ strace rxvt
> > > statfs("/dev/pts", {f_type="DEVPTS_SUPER_MAGIC", f_bsize=4096,
> > f_blocks=0,
> > > f_bfree=0, f_bavail=0, f_files=0, f_ffree=0, f_fsid={0, 0},
> > f_namelen=255,
> > > f_frsize=4096}) = 0
> > > ioctl(4, TCGETS, {B38400 opost isig icanon echo ...}) = 0
> > > ioctl(4, TIOCGPTN, [2]) = 0
> > > stat("/dev/pts/2", {st_mode=S_IFCHR|0600, st_rdev=makedev(136, 2), ...})
> > = 0
> > > getuid() = 1000
> > > open("/etc/group", O_RDONLY|O_CLOEXEC) = 5
> > > lseek(5, 0, SEEK_CUR) = 0
> > > fstat(5, {st_mode=S_IFREG|0644, st_size=624, ...}) = 0
> > > mmap(NULL, 624, PROT_READ, MAP_SHARED, 5, 0) = 0x7f02d0366000
> > > lseek(5, 624, SEEK_SET) = 624
> > > munmap(0x7f02d0366000, 624) = 0
> > > close(5) = 0
> > > chown("/dev/pts/2", 1000, 5) = -1 EPERM (Operation not
> > permitted)
> > > close(4) = 0
> > > open("/dev/pty??", O_RDWR|O_NOCTTY) = -1 ENOENT (No such file or
> > > directory)
> > > write(2, "rxvt: ", 6rxvt: ) = 6
> > > write(2, "can't open pseudo-tty", 21can't open pseudo-tty) = 21
> > > write(2, "\n", 1
> > > )
> > > $ ls -l /dev/pts/*
> > > crw------- 1 cavok cavok 136, 0 Dec 2 2015 /dev/pts/0
> > > crw------- 1 cavok cavok 136, 1 Dec 2 12:38 /dev/pts/1
> > >
> > > Investigating konsole, the issue looks the same: unable to set pts
> > > permission.
> > >
> > > Downgrading libc6 and libc6-i686 to 2.19-22 doesn't help, but downgrading
> > > libc-bin actually does the trick.
> > >
> > > Could you please help here?
> >
> > This is due to the changes introduced to fix the bug #717544. Your
> > system is supposed to have /dev/pts mounted with some options:
> >
> > devpts on /dev/pts type devpts
> > (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
> >
> > This should be the default and can be modified in /etc/default/devpts.
> > It looks like in your case /dev/pts is not mounted or mounted with the
> > wrong options. Can you send the output of the following command:
> >
> > mount | grep devpts
> >
>
> $ mount | grep devpts
> devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,mode=600)
> none on /mnt/sid64/dev/pts type devpts (rw,relatime,mode=600)
> none on /mnt/sid64/home/chernobyl/dev/pts type devpts (rw,relatime,mode=600)
> $ grep devpts /etc/fstab
> none /mnt/sid64/dev/pts devpts defaults
> 0 0
> none /mnt/sid64/home/chernobyl/dev/pts devpts defaults
> 0 0
>
> commenting out TTYGRP in /etc/default/devpts doesn't help.
Ok. Do you have a /dev/ptmx device and what are its permissions?
Aurelien
--
Aurelien Jarno GPG: 4096R/1DDD8C9B
aurel...@aurel32.net http://www.aurel32.net
