From: Bagas Sanjaya <bagasdotme@gmail.com>
To: juanfengpy@gmail.com
Cc: "Hui Li" <caelli@tencent.com>,
stable@vger.kernel.org,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Subject: Re: [PATCH v7] tty: fix hang on tty device with no_room set
Date: Tue, 4 Apr 2023 09:49:31 +0700 [thread overview]
Message-ID: <ZCuQO3A6FX305KTJ@debian.me> (raw)
In-Reply-To: <1679019847-1401-1-git-send-email-caelli@tencent.com>
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On Fri, Mar 17, 2023 at 10:24:07AM +0800, juanfengpy@gmail.com 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, ..."
--
An old man doll... just what I always wanted! - Clara
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next prev parent reply other threads:[~2023-04-04 2:49 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-17 2:24 [PATCH v7] tty: fix hang on tty device with no_room set juanfengpy
2023-04-04 2:49 ` Bagas Sanjaya [this message]
2023-04-04 2:55 ` Bagas Sanjaya
2023-04-04 7:02 ` caelli
-- strict thread matches above, loose matches on Subject: below --
2022-06-27 12:05 [PATCH v5] " Greg KH
2023-03-17 2:37 ` [PATCH v7] " juanfengpy
2023-03-17 2:41 ` juanfengpy
2023-03-17 6:32 ` Jiri Slaby
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