On Sat, Sep 25, 2010 at 10:06 PM, DJ Lucas <[email protected]> wrote:
> On 09/23/2010 06:33 PM, Ken Moffat wrote:
>
>>  With my essentially-LFS-6.7 desktop I'm noticing that if I have
>> firefox open on one desktop, and something else in the same area on
>> another, when I go back to firefox it takes a noticeable time to
>> repaint itself, even if the processor was idle.  This is with
>> xorg-server-1.9.  Compare to the 1.7-series servers where I only
>> notice delays if I'm compiling something.
>>
>>  So, I looked at the thread that was pointed to.  I got quite
>> confused by all the references to fglrx, but eventually picked the
>> xserver-xorg-backclear.patch from Felix Kuehling [attached].  Was
>> that what you were talking about ?
>
> Yes.  IIUC, the patch that was added upstream creates about a 300ms
> delay on resize of all windows on all devices because it reads back from
> VRAM to get a bitmap to fill the area before the resize.  This is has a
> very bad effect on fglrx drivers, but the same delay applies equally to
> all devices.  The delay was what made the light bulb go on before.  This
> applies to the 1.7 server as well, so this is definitely something
> different WRT 1.9.
>
> As far as xorg-server in the book, I'm sticking with 1.7.7 for now with
> an R7.5-3 release which I plan to introduce tonight or tomorrow as it
> has been tested thoroughly.  Unless somebody has a very compelling
> reason to upgrade to xorg 7.6-pre, I'm not planning on putting 1.8.x
> into the book at all as this was the version series slotted for R7.6.
> It does look like 1.9 is slotted for R7.6 now according to
> http://www.x.org/wiki/Releases/7.6 . I was under the impression that
> 1.8.x never finished the new input hotplugging code and they were
> scrapping it for R7.6 (but that info is well over a year old now but
> still seems current according to the above page).

No, the input hotplugging has been in for quite some time. A really
good reason to upgrade to 1.9 is that a udev backend has been added.
So, you don't need HAL to get hotplugged goodness.

--
Dan
-- 
http://linuxfromscratch.org/mailman/listinfo/blfs-dev
FAQ: http://www.linuxfromscratch.org/blfs/faq.html
Unsubscribe: See the above information page

Reply via email to