On 4/4/23 09:49, Bagas Sanjaya wrote: > On Fri, Mar 17, 2023 at 10:24:07AM +0800, juanfengpy@xxxxxxxxx wrote: >> We have met a hang on pty device, the reader was blocking >> at epoll on master side, the writer was sleeping at wait_woken >> inside n_tty_write on slave side, and the write buffer on >> tty_port was full, we found that the reader and writer would >> never be woken again and blocked forever. > > Where do you find this hanging pty? Seems like the wording makes me > confused. Maybe you mean "It is possible to hang pty device. In that > case, ..." > Oops, I forgot to Cc: LKML. -- An old man doll... just what I always wanted! - Clara
