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Bug#586448: New Kernel with KMS and Nouveau Defaults, External DVI Fails



retitle 586448 External DVI fails with nouveau
thanks

Hi Gilbert.

Gilbert Sullivan <whirlygig@comcast.net> (19/06/2010):
> So sorry for muddled attempt to use reportbug.

No problem. I'm adjusting the title with the command above. That might
be a bug in xserver-xorg-video-nouveau, or in the kernel, but let's
talk a bit first.

> Notebook computer with external LCD connected via port replicator
> (both D-Sub and DVI connectors). Since latest linux-image,
> xserver-common and xserver-xorg-core upgrades in Squeeze the
> external LCD does not work with the DVI but does work with the VGA
> connector.

Is that still true with an up-to-date X stack + kernel in squeeze/sid?

If so please run the xorg bug script and attach its output:
  /usr/share/bug/xserver-xorg-core/script 3>/tmp/script.log

> Before the switch to kernel mode setting and nouveau, both types of
> connection for the external monitor worked. Built-in monitor is
> unaffected.

I seem to recall nouveau has always been KMS-only? What were you using
previously? The nv or vesa driver maybe?

> No proprietary drivers of any kind have been installed on this
> system since a clean netinst of Squeeze a few months ago.

Thanks for mentioning it.

KiBi.

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