[ltp] Re: Re: need help with T43p, fglrx display drivers and suspend to ram

[Alex Deucher]

On 8/11/07, Marius Gedminas <mgedmin@b4net.lt> wrote:
> On Sat, Aug 11, 2007 at 06:28:14PM +0300, Raanan Manor wrote:
> > I removed the fglrx drivers, installed the radeon and now 3D is working,
> > AIGLX, compiz-fusion works also.
> >
> > The problems i have now with this driver is -
> >
> > 1) system crash when doing resume from suspend.
>
> I had crashes on resume on my T42 with Radeon 7500, also running Ubuntu.
> The fix was to edit /etc/default/acpi-support and disable all the
> video-related options: SAVE_VBE_STATE, POST_VIDEO, USE_DPMS.  (I don't
> actually know which one of those was the one that caused problems; I
> disabled all of them and the crashes went away.)

Most ati cards seem to have problems with using the VBE save state
function.  I don't think their bioses generally implement it.

Alex