From: Gerd Hoffmann <kraxel@redhat.com>
To: Yang Hongyang <hongyang.yang@easystack.cn>
Cc: qemu-devel@nongnu.org, Gonglei <arei.gonglei@huawei.com>,
Juan Quintela <quintela@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] ps2: take exact use of ps2 buffer
Date: Thu, 02 Jun 2016 10:37:31 +0200 [thread overview]
Message-ID: <1464856651.24775.56.camel@redhat.com> (raw)
In-Reply-To: <1464847505-27478-1-git-send-email-hongyang.yang@easystack.cn>
On Do, 2016-06-02 at 14:05 +0800, Yang Hongyang wrote:
> According to PS/2 Mouse/Keyboard Protocol, the keyboard output buffer
> size is 16 bytes, but we only use 15 bytes actually, this causes some
> problem, for example, if I submit "123456789" in a bunch through VNC,
> the actual result will be "12345678888888888...", because the 16th key
> event which is "8" key up is dropped.
What if you try a 10-char string next? Things are failing again.
Keyboards are low-bandwidth devices, you can't flood them with data and
expect things to work.
Try this one instead: https://patchwork.ozlabs.org/patch/628491/
cheers,
Gerd
next prev parent reply other threads:[~2016-06-02 8:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-02 6:05 [Qemu-devel] [PATCH] ps2: take exact use of ps2 buffer Yang Hongyang
2016-06-02 8:37 ` Gerd Hoffmann [this message]
2016-06-02 9:19 ` Yang Hongyang
2016-06-02 10:05 ` Gerd Hoffmann
2016-06-02 10:34 ` Yang Hongyang
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