Re: Radeon R300: flash exposes terrible EXA performance

2010-09-19 Thread Dennis J. 

On 09/19/2010 04:45 PM, Miguel Angel Alvarez wrote:

Hi all,
I've found that lately flash video performance is terrible when using EXA, to
the point of being a slideshow with 100% cpu usage. The only workaround to
get decent performance has been to switch to old XAA acceleration.

I have a R300 video card (ATI Radeon 9550). I've tested with Xorg 7.4 and Xorg
7.5, driver xf86-video-ati 6.13.1 and a late git build, in a opensuse linux
system. I don't know if this affects other Radeon cards.
Test site: megavideo.com
Should I file a bug?


I've also seen similar issues with a more recent card (HD4850):
https://bugzilla.redhat.com/show_bug.cgi?id=553059

The sysprof profile in that bug shows some interrupt stuff going on there 
that might point to the problem but so far I couldn't get anyone to take a 
closer look at this.


Regards,
  Dennis
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Re: devices support site?

2010-07-19 Thread Dennis J. 

On 07/19/2010 08:42 PM, Corbin Simpson wrote:

On Mon, Jul 19, 2010 at 11:04 AM, Aljoša Mohorović
  wrote:

i'm sure that this kind of site exists somewhere but i just can't find
it. so what exactly am i looking for?
any xorg user can identify device (with lspci, lshw, dmidecode or
something else) and then it should be able to get information on this
site:
- recommended driver to use and current driver state
- mailing list with support and development discussions
- support information and availability on linux distributions, bsd and
any other OS with xorg

this site would also have list of top supported devices with best
driver support and supported opengl version.
i'm often in situation where i can't decide if i should buy a new
(probably without a good driver) or an old graphics card with stable
drivers.

can somebody post a link to site with similar functionality?


If I get bored enough, I suppose I could whip something up, but is it
really that important? We put a lot of effort into making sure distros
Do the Right Thing magically without user intervention.


Unless you are implying that all distros support all hardware out there 
perfectly out of the box how does that help you make a buying decision?
In reality support for graphics cards differs wildly in supported features 
and quality so you still need to know what that support looks like for a 
given card if you want to make an informed decision what to buy.
Hopefully card X will be fully supported *eventually* but most users don't 
care less about eventually and more about what is supported right now.


Regards,
  Dennis
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Re: Slow 2D with radeon KMS

2010-02-15 Thread Dennis J. 
On 02/15/2010 05:17 PM, Michel Dänzer wrote:
> On Mon, 2010-02-15 at 16:34 +0100, Damien Mir wrote:
>>> vsync was broken when intel merged the new vsync code. So you should
>>> use mesa from time before the merge (about a week ago)
>>>
>>
>> Unfortunately I cannot get vsync working anyhow with Kwin compositing (KDE
>> 4.3).
>>
>> Any combination of xserver (1.6 / 1.7 / 1.7.99) / Mesa (7.7 or git) gives
>> the same results on an R700 HD4650 mobility.
>>
>> Any idea on what's going on ? Sorry if it's a bit OT, but does it seem
>> related to the R700/xorg/mesa mix ? or might it be something completely
>> different ?
>> Because being unable to play tear-free videos quite kills a nice
>> compositing experience !
>> Note : Xv playback is tear-free with kwin compositing disabled
>
> This should be fixed with current xf86-video-ati Git, at least for
> OpenGL compositing.

Is there a way to get a current snapshot in Fedora 13? Right now Fedora 12 
and 13 don't work at all (hang) on my 4850 due to some weird sideffects 
with the on-board nvidia chip and when I disable that with 
nouveau.modeset=0 then I can boot but the driver is very slow.

Regards,
   Dennis
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Re: Xorg massive memory usage

2010-02-03 Thread Dennis J. 
On 02/03/2010 07:42 PM, Alan Coopersmith wrote:
> Dennis J. wrote:
>> I'm seeing Xorg leaking memory too:
>> https://bugzilla.redhat.com/show_bug.cgi?id=531779
>
> If it's "custom cursors" as mentioned in the redhat/debian reports, I wonder
> if you're hitting the leak recently fixed by:
> http://cgit.freedesktop.org/xorg/xserver/commit/?id=0573042cddb6f9942e408687a16c6842e62a8bfa
>
> That should be included in Xorg 1.7.2 and later though.
>

Fedora 11 only comes with 1.6.4 right now and the ATI drivers included in 
F12 and Rawhide have major regressions for my 4850 Radeon:

KMS:RV770PRO:HD4850 1G VRAM+onboard nouveau conflict: system freezes on 
login screen
https://bugzilla.redhat.com/show_bug.cgi?id=530784

This one can be worked around by using nouveau.modeset=0 on boot but then 
the performance is much worse than it is in Fedora 11:

KMS:RV770PRO:HD4850 1G VRAM performance regression from F11 to Rawhide(F13)
https://bugzilla.redhat.com/show_bug.cgi?id=553059

While the slower performance of the UI is bearable the video playback issue 
is more problematic because unless you restrict yourself to low resolution 
youtube videos the playback becomes practically useless.

Is there a possibility to compile the driver that ships with Fedora 11 for 
Fedora 12/Rawhide and boot with nomodeset to get around these regressions 
or is the older driver fundamentally incompatible with the Xorg/DRM/KMS 
versions shipped with F12/Rawhide?

Regards,
   Dennis
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Re: Xorg massive memory usage

2010-02-03 Thread Dennis J. 
I'm seeing Xorg leaking memory too:
https://bugzilla.redhat.com/show_bug.cgi?id=531779

Regards,
   Dennis

On 02/03/2010 06:35 PM, Marcus Rademacher wrote:
> It lists x-nautilus-desktop at the top with 2257K, then two more entries
> that are  with 2250K in use each.
>
> Marcus
>
> On Wed, Feb 3, 2010 at 10:53 AM, Clemens Eisserer  > wrote:
>
> What does xrestop report when you see Xorg consuming such large
> amounts of memory?
>
> - Clemens
>
> 2010/2/3 Marcus Rademacher  >:
>  > I'm having an issue with Xorg using a ton of memory. To start
> off, here are
>  > the machine specs:
>  >
>  > Dell Precision M4400
>  > 4 GB of RAM
>  > Dedicated video card with onboard video RAM
>  > Running Ubuntu 9.10 x64
>  > Not using Compiz or any special display effects.
>  >
>  > Results of "X -version":
>  > X.Org X Server 1.6.4
>  > Release Date: 2009-9-27
>  > X Protocol Version 11, Revision 0
>  > Build Operating System: Linux 2.6.24-23-server x86_64 Ubuntu
>  > Current Operating System: Linux marcus-laptop 2.6.31-17-generic
> #54-Ubuntu
>  > SMP Thu Dec 10 17:01:44 UTC 2009 x86_64
>  > Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.31-17-generic
>  > root=UUID=dc474f24-3833-4896-bd3e-0a209d66a767 ro vga=799 quiet
> splash
>  > Build Date: 14 November 2009  05:48:57PM
>  > xorg-server 2:1.6.4-2ubuntu4.1 (buildd@)
>  > Before reporting problems, check http://wiki.x.org
>  > to make sure that you have the latest version.
>  >
>  > I'm using this machine for thesis research, and that involves
> running some
>  > niche software and some of my own code. The crux is that many
> folders and
>  > files are created and deleted over the course of 30 seconds.
> These runs take
>  > several days to complete.
>  >
>  > The problem is that if I start out with a fresh log in Xorg
> starts at about
>  > 30 MiB in use. After letting my program run overnight, Xorg is
> typically
>  > using several GiB of memory, pushing the amount in use up about 95%.
>  > Normally I can do regular web browsing while my program runs, but
> when the
>  > memory usage is that high the whole machine is unusable, and my
> research
>  > program slows a lot.
>  >
>  > So what I'm actually running is a bash script that calls a commercial
>  > optimization code (HEEDS) several times in sequence, which in
> turn calls
>  > Matlab and some very small C programs of mine many times as well.
> So no
>  > instance of my code or HEEDS is running the entire length of
> time, since
>  > they end and new instances begin many times. That fact, and that
> I've run
>  > this same thing on other Linux platforms and Windows without
> issue makes me
>  > think that this is unrelated to the code I'm running. Perhaps it's
>  > exacerbated by the many folders and files that are created over
> the course
>  > of the program's run.
>  >
>  > So what do I have to do prevent Xorg from stealing all of my memory?
>  >
>  > Also posted to Ubuntu Forums:
>  > http://ubuntuforums.org/showthread.php?t=1397093
>  >
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>
>
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Re: Troubleshooting server memory leaks

2009-11-28 Thread Dennis J. 
On 11/28/2009 04:38 PM, Ross Vandegrift wrote:
> On Fri, Nov 27, 2009 at 04:37:54PM -0600, Pat Kane wrote:
>> Does xrestop show anything interesting?
>>
>> I'd do a 'xrestop -b -m1'  before and after your testing and then
>> compare the two outputs.
>
> Nothing terribly interesting.  It does look like Vuze's pixmap usage
> grows over time, but only to the tune of 13MiB of data - not nearly
> enough to account for 950MiB of X server RSS!

Same here. After a long-running session I can close all applications yet X 
still swallows almost 2gb of ram. Xrestop shows a usage of less than 30mb 
at that moment.

Regards,
   Dennis
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Re: Troubleshooting server memory leaks

2009-11-26 Thread Dennis J. 
On 11/26/2009 03:42 AM, Ross Vandegrift wrote:
> Hi everyone,
>
> I've noticed a slow memory leak which causes Xorg to burn through all
> the memory on my workstation.  After leaving it run approximately 30
> hours, the RSS is at 55.6% of 2GiB.  I have returned to an OOMed box
> that I had to powercycle.  Last night, I came back to an RSS of ~80%
> of 2GiB, all of my swap used, but was able to kill and restart Xorg in
> time.  xrestop show usage of about 30MiB.
>
> There is a potential match in the Debian BTS [1], but there is no
> solution, or even a guess.
>
> I don't know much else about troubleshooting memory leaks in the X
> server.  What should I look at next?
>
> This is Xorg 7.4, X server 1.6.5, nv driver, no compositing manager,
> no DRI.  System is Debian testing/unstable.
>
> [1] http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=531071

I'm seeing the same thing on Fedora 11:

https://bugzilla.redhat.com/show_bug.cgi?id=531779

Regards,
   Dennis
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Expected video performance on r700 based cards?

2009-06-22 Thread Dennis J. 
Hi,
I just upgraded from Fedora 10 i386 to Fedora 11 x86_64 (by means of a new 
installation) and have noticed that video performance is now worse than it 
was before under F10 even though general 2D performance seems to have 
increased quite a bit.

What should I expect in terms of video performance on a 4850 card? Before 
playing 720p videos consumed relatively little CPU power but now I need a 
full core to play them.

Regards,
   Dennis
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