This is my kernel version
#uname -r
2.6.18-53.el5.028stab051.1
Devpts is mounted:
# mount
simfs on / type simfs (rw)
/proc on /proc type proc (rw)
/sys on /sys type sysfs (rw)
none on /dev type tmpfs (rw)
none on /dev/pts type devpts (rw)
Is it usually different entries failing:
ptmx and ptyp0 being the most common; sometimes both, sometimes only one.
this is the dev folder of a VM
# ls -l /dev
total 4
lrwxrwxrwx 1 root root 13 Jan 14 19:58 MAKEDEV -> /sbin/MAKEDEV
lrwxrwxrwx 1 root root 4 Jan 14 19:58 X0R -> null
crw------- 1 root root 5, 1 Jan 14 19:58 console
lrwxrwxrwx 1 root root 11 Jan 14 19:58 core -> /proc/kcore
lrwxrwxrwx 1 root root 13 Jan 14 19:58 fd -> /proc/self/fd
prw------- 1 root root 0 Jan 14 19:58 initctl
srw-rw-rw- 1 root root 0 Jan 14 19:58 log
brw-r----- 1 root disk 7, 0 Jan 14 19:58 loop0
brw-r----- 1 root disk 7, 1 Jan 14 19:58 loop1
brw-r----- 1 root disk 7, 2 Jan 14 19:58 loop2
brw-r----- 1 root disk 7, 3 Jan 14 19:58 loop3
brw-r----- 1 root disk 7, 4 Jan 14 19:58 loop4
brw-r----- 1 root disk 7, 5 Jan 14 19:58 loop5
brw-r----- 1 root disk 7, 6 Jan 14 19:58 loop6
brw-r----- 1 root disk 7, 7 Jan 14 19:58 loop7
drwxr-xr-x 2 root root 40 Jan 14 19:58 mapper
drwxr-xr-x 2 root root 60 Jan 14 19:58 net
crw-rw-rw- 1 root root 1, 3 Jan 14 19:58 null
crw-rw---- 1 root lp 99, 0 Jan 14 19:58 parport0
crw-rw---- 1 root lp 99, 1 Jan 14 19:58 parport1
crw-rw---- 1 root lp 99, 2 Jan 14 19:58 parport2
crw-rw---- 1 root lp 99, 3 Jan 14 19:58 parport3
crw------- 1 root root 108, 0 Jan 14 19:58 ppp
crw-rw-rw- 1 root root 5, 2 Jan 15 14:21 ptmx
drwxr-xr-x 2 root root 0 Jan 14 19:58 pts
crw-rw-rw- 1 root tty 2, 0 Jan 14 20:00 ptyp0
drwxr-xr-x 2 root root 40 Jan 14 19:58 shm
lrwxrwxrwx 1 root root 15 Jan 14 19:58 stderr -> /proc/self/fd/2
lrwxrwxrwx 1 root root 15 Jan 14 19:58 stdin -> /proc/self/fd/0
lrwxrwxrwx 1 root root 15 Jan 14 19:58 stdout -> /proc/self/fd/1
crw-rw-rw- 1 root root 5, 0 Jan 14 19:58 tty
-rw-r--r-- 1 root root 512 Jan 14 19:58 urandom
crw-rw-rw- 1 root root 1, 5 Jan 14 19:58 zero
also, it happens on all my VMs, not just one