Nouveau - Oct 2010 - [Bug 31169] New: no image when booting / G86 [GeForce 8400M GS]

https://bugs.freedesktop.org/show_bug.cgi?id=31169

           Summary: no image when booting / G86 [GeForce 8400M GS]
           Product: xorg
           Version: unspecified
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: marius.vasilescu at yahoo.com
         QAContact: xorg-team at lists.x.org


When I boot into Ubuntu 10.04 / 10.10, I get a weird image (see attachment).

I switched between terminals, but the display didn't change at all. For
instance, ctrl+alt+f2, "sudo reboot", enter, enter = reboots the
system.

"blacklist=vga16fb nouveau.noaccel=1" params didn't work either.

The same happens with the latest from xorg-edgers: xserver-xorg-video-nouveau
1:0.0.16+git20101026.22020457-0ubuntu0sarvatt

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--- Comment #1 from Marius Vasilescu <marius.vasilescu at yahoo.com>
2010-10-27 10:06:05 PDT ---
Created an attachment (id=39815)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=39815)
screen image

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Marius Vasilescu <marius.vasilescu at yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |marius.vasilescu at yahoo.com
           See Also|                            |https://launchpad.net/bugs/
                   |                            |564572

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--- Comment #2 from Marius Vasilescu <marius.vasilescu at yahoo.com>
2010-10-27 10:09:42 PDT ---
Created an attachment (id=39816)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=39816)
Xorg.0.log

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Marius Vasilescu <marius.vasilescu at yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Severity|major                       |critical

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--- Comment #3 from Johannes Obermayr <johannesobermayr at gmx.de>
2010-10-27 13:49:28 PDT ---
Please post full dmesg output while corrupted screen.

You should be able to catch it via "dmesg >dmesg.log" before
rebooting.

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--- Comment #4 from Marius Vasilescu <marius.vasilescu at yahoo.com>
2010-10-27 14:54:12 PDT ---
Created an attachment (id=39821)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=39821)
dmesg

Here it is. If you need additional info, please let me know.

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--- Comment #5 from Bryce Harrington <bryce at canonical.com> 2011-04-14
13:32:17 PDT ---
This reporter also filed a bug downstream with Ubuntu about this same issue, at
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/564572

He attached a mmiotrace to that bug, which unfortunately is too large to attach
to bugzilla, but here's a link to it in launchpad:

https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/564572/+attachment/1976762/+files/mmiotrace.log.zip

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--- Comment #6 from Ben Skeggs <skeggsb at gmail.com> 2011-04-14 20:04:20
PDT ---
Does booting with "nouveau.uscript_lvds=0x0200" or
"nouveau.uscript_lvds=0x0300" help the issue at all?

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--- Comment #7 from Ben Skeggs <skeggsb at gmail.com> 2011-04-14 20:08:50
PDT ---
Err, scratch that: "nouveau.uscript_lvds=0x0100" or
"nouveau.uscript_lvds=0x0300" I meant!

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--- Comment #8 from Marius Vasilescu <marius.vasilescu at yahoo.com>
2011-04-16 11:38:15 PDT ---
Yes! They both work: "nouveau.uscript_lvds=0x0100" and
"nouveau.uscript_lvds=0x0300"! Thanks! I haven't seen any
difference between
the two of them, so I can't say which one is better.

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--- Comment #9 from Ben Skeggs <skeggsb at gmail.com> 2011-04-16 19:52:02
PDT ---
Ok, cool, thanks :)  I'll look at implementing support for panels such as
yours
when I get to the office on Monday morning.

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--- Comment #10 from Ben Skeggs <skeggsb at gmail.com> 2011-04-17 17:58:35
PDT ---
Ok, nouveau git has a couple of patches now that should make using these
options unnecessary.

Are you able to test them please!

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--- Comment #11 from Marius Vasilescu <marius.vasilescu at yahoo.com>
2011-04-18 00:41:55 PDT ---
Thanks. I'll download the files and try it this evening. I have no Internet
connection at home atm, but I should be able to give you a feedback tomorrow or
the next day.

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--- Comment #12 from Marius Vasilescu <marius.vasilescu at yahoo.com>
2011-04-22 04:52:41 PDT ---
Ben, I've just tried to compile it, but I've got some errors during the
compilation process (in nouveau_backlight.c). Unfortunately, I'm very busy
this
period and I don't have much time to experiment. I'll wait for the deb
packages
on xorg-edgers and let you know.

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--- Comment #13 from stephan at openelec.tv 2011-04-22 14:43:11 PDT ---
Hi,

dont know if this is related to this bug, but i dont have output in xorg too.

- linux-2.6.39-rc4 with all changes from
http://cgit.freedesktop.org/nouveau/linux-2.6 up to
4a76dc872b9ba0a29399c7149e59190f21797e8e (drm/nouveau/pm: translate ramcfg
strap through ram restrict table)
- xf86-video-nouveau git 8378443bd3b26b57ef2ae424a700e01ead813d33
(nv50-nvc0/exa: fix bug causing surface state to not be reemitted after flush)
- libdrm-2.4.25
- Mesa master git 6067a2a67f9a7aab2aee051469bea8af03747a95 (r600g: don't
flush
the dest caches on every draw)

Xorg.log: http://pastebin.com/5GHkDzp3
dmesg: http://pastebin.com/4f8kRhWf

it seems xorg is running and i cant see anything wrong in xorg.log and dmesg.

Stephan

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--- Comment #14 from Marius Vasilescu <marius.vasilescu at yahoo.com>
2011-06-11 14:35:56 PDT ---
Created an attachment (id=47853)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=47853)
Xorg.0.log (git20110411)

Ben, I've just did a test using the latest ubuntu daily build (i386) with
xserver-xorg-video-nouveau (1:0.0.16+git20110411+8378443-1); "NOUVEAU
driver
Date: Thu Mar 24 02:13:12 2011 +1000"

It still doesn't work, I wonder if the changes you were talking about were
before or after this git snapshot. "nouveau.uscript_lvds=0x0300" (or
0x0100)
worked just fine.

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--- Comment #15 from Emil Velikov <emil.l.velikov at gmail.com> 2011-06-12
06:05:08 PDT ---
Hi Marius,

The changes mentioned are in the kernel module.

Make sure that your kernel includes the following commits
 * 8c3f6bb970413c6a537736f409a1bc9d8abd671c - drm/nouveau: recognise DCB
connector type 0x41 as LVDS
 * b23b9e7109e74a2cb10705396148624016ad8f8f - drm/nv50: respect LVDS link count
from EDID on SPWG panels

If you still have issues please provide dmesg and Xorg.log

Thanks

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Marius Vasilescu <marius at vegan.ro> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #16 from Marius Vasilescu <marius at vegan.ro> 2011-06-12
11:27:37 PDT ---
Thanks Emil!

It worked with the latest kernel - 3.0! Sorry, it took so long to confirm. Ben,
thanks for the patches!

I'll change the status to fixed, then.

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