[Libdlo] full accelerated fbcon (without compression), please test it

[Roberto De Ioris]

On Sat, 2009-05-23 at 14:12 +0100, Phil Endecott wrote:
> Roberto De Ioris wrote:
> > This is a test version (based on 0.1) that includes all the code
> > to accelerate the fbcon. It still uses the slow usb_bulk_msg and
> > usb_control_msg functions but performance must be a lot better. (even
> > without compression)
> >
> > Please give me reports on improvements (or regressions)
> 
> Hi Roberto,
> 
> With my mimo I see the same bug as the previous version; I get a login 
> prompt and I can log in, but if I type "ls" I get lots of messages like 
> "FILL RECT 0 464 !!!", and the only thing I can do is power off.
> 
> My guess: "ls" produces enough output to make the screen scroll; during 
> scrolling the "FILL RECT" message is printk()ed; the printk() needs to 
> scroll the screen some more; this causes another "FILL RECT" message - 
> recursion ad infinitum.
> 
> It's unfortunate that I have to power-off to make this stop.  Is there 
> some simple change that can be made so that the driver terminates 
> itself forcefully if I unplug the device?
> 
> 
> Phil.
> 
> 

I Phil you can comment the printk in the code, but the best way is to
disable the output of dmesg to the tty:

dmesg -n1

> 
-- 
Roberto De Ioris
http://unbit.it
JID: roberto at jabber.unbit.it