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>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v7] tty: fix hang on tty device with no_room set
Date: Tue, 4 Apr 2023 09:55:53 +0700 [thread overview]
Message-ID: <3d994c05-492d-f9f4-161d-123a68d4e87a@gmail.com> (raw)
In-Reply-To: <ZCuQO3A6FX305KTJ@debian.me>
On 4/4/23 09:49, Bagas Sanjaya wrote:
> 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, ..."
>
Oops, I forgot to Cc: LKML.
--
An old man doll... just what I always wanted! - Clara
next parent reply other threads:[~2023-04-04 2:56 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1679019847-1401-1-git-send-email-caelli@tencent.com>
[not found] ` <ZCuQO3A6FX305KTJ@debian.me>
2023-04-04 2:55 ` Bagas Sanjaya [this message]
2023-04-04 7:02 ` caelli
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