Re: [arch-general] regression in nouveau ?

2010-05-26 Thread Xavier Chantry
On Wed, May 26, 2010 at 2:08 AM, Philipp Überbacher hollun...@lavabit.com wrote: Sadly audio performance / locks /latency seems to be not on graphics driver developers minds at all. It's definitely not their primary focus. But if you open a bug report saying that commit greatly increased

Re: [arch-general] regression in nouveau ?

2010-05-26 Thread fons
On Wed, May 26, 2010 at 09:54:26AM +0200, Xavier Chantry wrote: On Wed, May 26, 2010 at 2:08 AM, Philipp Überbacher hollun...@lavabit.com wrote: Sadly audio performance / locks /latency seems to be not on graphics driver developers minds at all. It's definitely not their primary

Re: [arch-general] regression in nouveau ?

2010-05-26 Thread Xavier Chantry
On Mon, May 24, 2010 at 11:42 PM, Xavier Chantry chantry.xav...@gmail.com wrote: Also note the first item about latency on this page : http://nouveau.freedesktop.org/wiki/ToDo Ah now I remember where this latency TODO came from, there actually was one report about bad latency earlier that

Re: [arch-general] regression in nouveau ?

2010-05-26 Thread fons
On Wed, May 26, 2010 at 01:32:39AM +0200, Xavier Chantry wrote: On Wed, May 26, 2010 at 12:32 AM, f...@kokkinizita.net wrote: I don't mind having to tweak things, do a lot of configuration manually, etc. etc., but I do expect things to work when they go into core/extra, or at least have

Re: [arch-general] regression in nouveau ?

2010-05-26 Thread fons
On Tue, May 25, 2010 at 05:33:36PM -0600, Tavian Barnes wrote: The binary nvidia driver? Has latency problems as well, which is why people doing serious audio are using nv. If someone can tell me how to get it installed on current Arch I'd be most happy to use nv. Also, I seriously doubt

Re: [arch-general] regression in nouveau ?

2010-05-26 Thread Tavian Barnes
On 26 May 2010 08:56, f...@kokkinizita.net wrote: On Tue, May 25, 2010 at 05:33:36PM -0600, Tavian Barnes wrote: The binary nvidia driver? Has latency problems as well, which is why people doing serious audio are using nv. If someone can tell me how to get it installed on current Arch

Re: [arch-general] regression in nouveau ?

2010-05-26 Thread fons
On Wed, May 26, 2010 at 09:22:15AM -0600, Tavian Barnes wrote: Yeah you can. nv isn't a kernel module though, it's just an Xorg driver, still using UMS. To use it, 1) Blacklist nouveau and nvidia 2) Install xf86-video-nv 3) Set Driver to nv in xorg.conf And, even if nv doesn't work

Re: [arch-general] regression in nouveau ?

2010-05-26 Thread Philipp Überbacher
Excerpts from fons's message of 2010-05-26 22:50:43 +0200: On Wed, May 26, 2010 at 09:22:15AM -0600, Tavian Barnes wrote: Yeah you can. nv isn't a kernel module though, it's just an Xorg driver, still using UMS. To use it, 1) Blacklist nouveau and nvidia 2) Install xf86-video-nv

Re: [arch-general] regression in nouveau ?

2010-05-26 Thread Xavier Chantry
On Wed, May 26, 2010 at 10:46 AM, f...@kokkinizita.net wrote: Looking at the xrun statistics in function of audio period size, it looks like current nouveau is blocking audio (either by dis- abling interrupts, or by locking a shared HW resource) for about 3-4 ms. *No* driver today should

Re: [arch-general] regression in nouveau ?

2010-05-26 Thread fons
On Wed, May 26, 2010 at 11:26:58PM +0200, Xavier Chantry wrote: As I said, there are some people who are willing to help in that area. But without people like you reporting and testing, it's never going to happen. We need audio guys and graphics/drivers guys allocating some times to work

Re: [arch-general] regression in nouveau ?

2010-05-26 Thread Isaac Dupree
On 05/26/10 17:01, Philipp Überbacher wrote: KMS was advertised mainly with he following features: - TTY in native resolution and hence nicer to look at - shorter delay when switching from X to TTY - can implement power-saving features - ability to run X as non-root - ...probably some more

Re: [arch-general] regression in nouveau ?

2010-05-25 Thread fons
On Mon, May 24, 2010 at 11:42:54PM +0200, Xavier Chantry wrote: Never heard of similar regression before. Can you try using http://aur.archlinux.org/packages.php?K=kernel26-nouveau-git and http://aur.archlinux.org/packages.php?K=xf86-video-nouveau-git ? Would that be possible at all, given

Re: [arch-general] regression in nouveau ?

2010-05-25 Thread Xavier Chantry
On Wed, May 26, 2010 at 12:32 AM, f...@kokkinizita.net wrote: I don't mind having to tweak things, do a lot of configuration manually, etc. etc., but I do expect things to work when they go into core/extra, or at least have a fallback available. There is none, AFAICS. I don't know what you

Re: [arch-general] regression in nouveau ?

2010-05-25 Thread Tavian Barnes
On 25 May 2010 16:32, f...@kokkinizita.net wrote: On Mon, May 24, 2010 at 11:42:54PM +0200, Xavier Chantry wrote: Never heard of similar regression before. Can you try using http://aur.archlinux.org/packages.php?K=kernel26-nouveau-git and

Re: [arch-general] regression in nouveau ?

2010-05-25 Thread Philipp Überbacher
Excerpts from fons's message of 2010-05-26 00:32:22 +0200: On Mon, May 24, 2010 at 11:42:54PM +0200, Xavier Chantry wrote: Never heard of similar regression before. Can you try using http://aur.archlinux.org/packages.php?K=kernel26-nouveau-git and

[arch-general] regression in nouveau ?

2010-05-24 Thread fons
Hello all, over the past few months I have installed Arch on a number of systems, all of them used for quite intensive audio work (think of systems with 1000 jack ports). All of them have worked flawlessly, no latency problems even with the standard kernel. Today I installed one more, on

Re: [arch-general] regression in nouveau ?

2010-05-24 Thread Xavier Chantry
On Mon, May 24, 2010 at 11:00 PM, f...@kokkinizita.net wrote: Hello all, over the past few months I have installed Arch on a number of systems, all of them used for quite intensive audio work (think of systems with 1000 jack ports). All of them have worked flawlessly, no latency problems