[Nouveau] [Bug 30086] Nouveau fails with unreadable EDID

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Sep 9 11:53:59 PDT 2010


--- Comment #5 from walt <w41ter at gmail.com> 2010-09-09 11:53:58 PDT ---
(In reply to comment #4)

> [   339.439] (EE) [drm] failed to open device
> [   339.439] (EE) No devices detected.

I got that error too at first.  The device it's looking for is
crw-rw---- 1 root video 226, 0 2010-09-09 06:39 /dev/dri/card0

In my case that device wasn't created during boot until I added
console framebuffer support in the kernel. CONFIG_FRAMEBUFFER_CONSOLE=y

After I made that change, then I could see that the nouveau fb
driver takes over the console during early bootup -- and that
(somehow) prods udev into creating the missing device.

There may be an alternative way to do the same thing but I don't
know how to do it.  (Hints welcomed.)

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