> 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, ..." Thanks for your reply, I will correct messages like this: "It is possible to hang pty devices in this case, the reader was blocking at epoll on master side, the writer was ..." Bagas Sanjaya <bagasdotme@xxxxxxxxx> 于2023年4月4日周二 10:55写道： > > 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 >
