On Mar 30 15:01, Christian Franke wrote:
Found because 'stress-ng --pty 1' reports "open /dev/ptmx failed,
errno=0":
$ uname -r # also with 3.5.7-1 and 3.6.0-1.x86_64
3.7.0-0.19.g6c5537c0298e.x86_64
...
$ gcc -o manyptmx manyptmx.c
$ ./manyptmx
3, 2000
4, 2000
...
127, 2000
128, 2000
0 [main] manyptmx 204 tty_list::allocate: No pty allocated
-1, 2000
Problem no longer occurs with 3.7.0-0.33.g6e75829e117f. open() now fails
with EMFILE.
BTW, 'stress-ng --pty 1' then fails because tcdrain(), tcflow() and
TIOCINQ are not implemented for ptys. Not a problem, I guess.
--
Regards,
Christian
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