[ltp] Re: x.org 7.0 + radeon + mergedfb = crashes?

[Michael]

Marius Gedminas wrote:

I have the same problem and opened a bug report at bugs.freedesktop.org, the
xorg bugtracker. If the bug can be resolved anywhere then only there.

It would be helpful, if you could add your report to it (do a search for
radeon and mergedfb to find the bugnumber; this should get you to my
report).

Michael

> Hi,
> 
> For quite some time now I've been using a dual-head setup (MergedFB) on
> my T42 laptop, which has a Radeon Mobility 7500 video card.  After
> upgrading to Ubuntu Dapper Drake (about a week before the final release)
> I started having problems: using xrandr to switch from a dual-head
> config to 1024x768 clone mode often causes the system to freeze hard.
> Nothing works then -- no Ctrl+Alt+Backspace, no magic SysRq, no ACPI
> events.  The external monitor displays a strange pattern:
> 
>   http://mg.pov.lt/P6010010.JPG
> 
> Has anyone else experienced problems like this?
> 
> Marius Gedminas
> 
> P.S. I've created a bug report here: https://launchpad.net/bugs/47775