From: Laszlo Ersek <lersek@redhat.com>
To: "Gerd Hoffmann" <kraxel@redhat.com>,
"Marc-André Lureau" <marcandre.lureau@redhat.com>
Cc: "Philippe Mathieu-Daudé" <philmd@linaro.org>,
"qemu devel list" <qemu-devel@nongnu.org>,
"Richard W.M. Jones" <rjones@redhat.com>,
"Sunil V L" <sunilvl@ventanamicro.com>,
"Andrew Jones" <ajones@ventanamicro.com>,
"Warkentin, Andrei" <andrei.warkentin@intel.com>,
"Palmer Dabbelt" <palmer@dabbelt.com>,
"Alistair Francis" <alistair.francis@wdc.com>,
"Bin Meng" <bin.meng@windriver.com>,
"Weiwei Li" <liweiwei@iscas.ac.cn>,
"Daniel Henrique Barboza" <dbarboza@ventanamicro.com>,
"Liu Zhiwei" <zhiwei_liu@linux.alibaba.com>,
qemu-riscv@nongnu.org
Subject: Re: riscv64 virt board crash upon startup
Date: Mon, 11 Sep 2023 15:12:36 +0200 [thread overview]
Message-ID: <1d5713bd-5be3-d1c2-8d71-f0f59e8f1bca@redhat.com> (raw)
In-Reply-To: <qubprrerylzpvdl56o7j2zetkjihpofetfwequhanvc54l4t6q@juqqrcko4zjk>
On 9/11/23 10:53, Gerd Hoffmann wrote:
> On Mon, Sep 11, 2023 at 12:12:43PM +0400, Marc-André Lureau wrote:
>>> Gerd, here's the question for you: why are "device" and "head" QOM properties in the first place? What are they needed for?
>>>
>>
>> You get QOM tree introspection (ex: (qemu) qom-get
>> /backend/console[0]/device type). Other than that, I don't think it
>> brings anything else.
>
> You can configure vnc server(s) to show a specific device + head, which
> allows to run multihead configurations by using multiple vnc servers (one
> for each head).
>
> You can link input devices to device + head, so input events can go to
> different devices depending on where they are coming from. Which is
> most useful for tablet devices in a vnc multihead setup, each head has
> its own tablet device then. Requires manual guest-side configuration
> to establish the same tablet <-> head relationship (tested that years
> ago with X11, not sure if and how this can be done with wayland).
OK, so I'm going to drop patch#3.
Thanks!
Laszlo
next prev parent reply other threads:[~2023-09-11 13:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-07 11:25 riscv64 virt board crash upon startup Laszlo Ersek
2023-09-07 12:29 ` Philippe Mathieu-Daudé
2023-09-07 23:47 ` Laszlo Ersek
2023-09-07 23:55 ` Laszlo Ersek
2023-09-11 8:05 ` Marc-André Lureau
2023-09-11 8:12 ` Marc-André Lureau
2023-09-11 8:53 ` Gerd Hoffmann
2023-09-11 13:12 ` Laszlo Ersek [this message]
2023-09-12 8:40 ` Laszlo Ersek
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