Re: Radeon FB troubles with recent kernels

[Matt Mackall <mpm@selenic.com>]

On Tue, Feb 15, 2005 at 12:07:34PM +1100, Benjamin Herrenschmidt wrote:
> 
> > Nope. No printk outputs from _set_par, _write_mode, or _engine_init.
> > 
> > Just to clarify: the gdm stop is done from tty1 while gdm is running
> > on tty7, so I don't think it's a matter of mode switch logic.
> 
> Ohhh, this is a known bug then. When you kill X while it's not on the
> front VT, it will crap on the engine. This has always been the case, I
> suppose that if you didn't notice it before, it 's because you are
> lucky :)

I think I noticed it in the course of testing recent fbdev and console
code changes..

> > Also, I'm still seeing the LCD blooming + hang on starting radeonfb.
> > It's something like 1 in 10 boots rather than every boot now though.
> 
> Does it actually hangs ? That's weird... looks like a chip crash. Can
> you check if that happens with radeonfb.default_dynclk=-1 on the kernel
> command line ?

Hard to say, it's rather a pain to reproduce. I can add that to my
default boot and if it shows up again, I'll let you know.

-- 
Mathematics is the supreme nostalgia of our time.