Subject: Re: [linux-audio-dev] Re: pci gfx card / jack xruns / pci latencies
From: Florian Schmidt (mista.tapas_AT_gmx.net)
Date: Wed Jul 21 2004 - 15:49:46 EEST
On Wed, 21 Jul 2004 14:22:12 +0200
Maarten de Boer <mdeboer_AT_iua.upf.es> wrote:
> Hello Florian,
>
> Is this with kernel 2.6.x or 2.4.x?
>
> I remember there were some problems with Matrox cards, that were
> initially not included in the 2.4.x low-latency patch, but I thought
> that at some point Andrew included them.
>
> http://www.eca.cx/lad/2002/06/0076.html
Hi,
thanks for your mail. It seems though that this is independent of the kernel version. I booted into 2.4.22 with LL+preempt and it shows the exact same behaviour as did 2.6.7 vanilla, 2.6.7-bk10-ck5-H3 and 2.6.8-rc1-mm1... I think the card is just not good.. I'm also wondering about the weird lspci -v output which reports no latency for the matrox card [and it's not bus master like all other pci devices i have]..
Flo
-- Palimm Palimm! Sounds/Ware: http://affenbande.org/~tapas/
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