Re: [Qemu-devel] [PATCH] hid: Extend the event queue size to 1024

[Juan Quintela]

Alexander Graf <address@hidden> wrote:
> We can currently buffer up to 16 events in our event queue for input
> devices. While it sounds like 16 events backlog for everyone should
> be enough, our automated testing tools (OpenQA) manage to easily
> type faster than our guests can handle.
>
> So we run into queue overflows and start to drop input characters.
> By typing quickly, I was even able to reproduce this manually in
> a vnc session on SLOF.
>
> Fix this by increasing the queue buffer. With 1k events I'm sure we
> can get by for the foreseeable future. To maintain backwards compatibility
> on live migration, put the extra queue items into separate subsections.
>
> Reported-by: Dinar Valeev <address@hidden>
> Signed-off-by: Alexander Graf <address@hidden>

Hi

I see that it appears you have agreed in a different solution.

Just to say that this patch is ok from the migration point of view O:-)

Later, Juan.

PD. No, REAL HARDWARE don't have migration either O:-)