From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Skeggs Subject: Re: Strange problem with dual head on GeForce9600GT (dual DVI) Date: Wed, 14 Jul 2010 09:08:04 +1000 Message-ID: <1279062484.2966.1.camel@nisroch> References: <20100713184231.6c3ca5db@Lina> <20100713184624.29722b49@Lina> Reply-To: skeggsb-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20100713184624.29722b49@Lina> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nouveau-bounces+gcfxn-nouveau=m.gmane.org-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Errors-To: nouveau-bounces+gcfxn-nouveau=m.gmane.org-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org To: Abelenda Diego Cc: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: nouveau.vger.kernel.org On Tue, 2010-07-13 at 18:46 +0200, Abelenda Diego wrote: > On Tue, 13 Jul 2010 18:42:31 +0200 > Abelenda Diego wrote: > > > Hi, > > > > I am using nouveau for some time now, I am quite happy with it. I had > > two screens connected with DVI to VGA adapters and dual screen was > > working no problem. Today I decided to replace the DVI to VGA adapters > > with plain DVI-I dual link cables and found out something strange, the > > second screen doesn't display anything anymore, it stays black. > > > > I am using gentoo linux with > > Linus' kernel 2.6.35_rc4 > > libdrm 2.4.21 > > media-libs/mesa 7.8.2 > > x11-drivers/xf86-video-nouveau 0.0.16_pre20100615 > > > > Is it somehow related to > > https://bugs.freedesktop.org/show_bug.cgi?id=27455 or do I need to > > open a new bug report, with some dumps from renouveau ? > > Sorry my cables are not DVI-I dual link they are DVI-D dual link (this > might make a difference). I doubt it's related to the bug you mentioned, the display engines are completely different. If you could attach your dmesg output after booting with "log_buf_len=1M drm.debug=14 nouveau.reg_debug=0x0200" I'll take a look and see if some of the recent fixes could apply to you. Thanks! Ben. > _______________________________________________ > Nouveau mailing list > Nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org > http://lists.freedesktop.org/mailman/listinfo/nouveau