[Bug 47790] New: sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[Bug 47790] New: sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=47790

             Bug #: 47790
           Summary: sys-kernel/gentoo-sources-3.3.0 - black screen on
                    second nouveau display
    Classification: Unclassified
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: dan-eYclldcT4NIrZ0Rg1FI7rOTW4wlIGRCZ@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


As per bug filed here : https://bugs.gentoo.org/show_bug.cgi?id=409243
Similar to report here :
http://groups.google.com/group/linux.kernel/browse_thread/thread/84bc3d6514bc4069/8cbfe199bbbdcdda?show_docid=8cbfe199bbbdcdda&pli=1
Possibly identical... I just noticed he appears to have exactly the same card.

Following an upgrade to Linux 3.3.0 (from 3.2.11) all output on second monitor
connected a single card( 01:00.0 VGA compatible controller: NVIDIA Corporation
NV36.2 [GeForce FX 5700] (rev a1)) is black/blank.

The system appears to believe a monitor is connected, it gets EDID, it shows up
in configuration utils, you can drag windows onto it (but not see them) etc.

I have since downgraded again (to 3.2.12) and all is well again.

All this was with the built in nouveau driver in the kernel, the Gentoo team
suggested using the external module (nouveau-drm-20120322) but this produces
exactly the same results.

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[Bug 47790] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #1 from Emil Velikov <emil.l.velikov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2012-03-24 06:43:01 PDT ---
Hi Dan

Can you attach (plain/text) the dmesg output of 3.3.0 and 3.2.12

Cheers
Emil

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[Bug 47790] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #2 from Dan Goodliffe <dan-eYclldcT4NIrZ0Rg1FI7rOTW4wlIGRCZ@public.gmane.org> 2012-03-24 16:32:54 PDT ---
Created attachment 58989
  --> https://bugs.freedesktop.org/attachment.cgi?id=58989
dmesg from 3.3.0

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[Bug 47790] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #3 from Dan Goodliffe <dan-eYclldcT4NIrZ0Rg1FI7rOTW4wlIGRCZ@public.gmane.org> 2012-03-24 16:33:20 PDT ---
Created attachment 58990
  --> https://bugs.freedesktop.org/attachment.cgi?id=58990
dmesg from 3.2.12

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[Bug 47790] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #4 from Dan Goodliffe <dan-eYclldcT4NIrZ0Rg1FI7rOTW4wlIGRCZ@public.gmane.org> 2012-03-24 16:34:34 PDT ---
dmesgs attached as requested... having just compared them myself, I think the
interesting bit is around line 396 in 3.3.0... but I'm not the expert :)

Cheers
Dan

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[Bug 47790] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #5 from Emil Velikov <emil.l.velikov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2012-03-25 04:48:04 UTC ---
A quick look indicates

* VGA switcheroo: detected Optimus DSM method \ handle
The above should not be relevant to your issue

* 0xE4DC: Parsing digital output script table
Most likely causing the problem


Would you mind attaching your vbios [1] and providing more information
regarding your display/setup
eg.
* Primary - connected via the VGA (card), DVI to VGA converter used - xxx
monitor
* Secondary ...

Have you tried booting with the secondary monitor only (unplug the primary) ?

Cheers
Emil

[1]
cat /sys/kernel/debug/dri/0/vbios.rom > vbios.rom 
Note: assuming that you have debugfs mounted on "/sys/kernel/debug"

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[Bug 47790] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #6 from Peter Lekensteyn <lekensteyn-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2012-03-25 05:43:39 PDT ---
Uh oh, that DSM message possibly comes from a bug fixed by the patch at
http://lists.freedesktop.org/archives/nouveau/2012-March/010056.html

Since the value is uninitialized, there is a chance that is_optimus == 1. This
should not be a problem here though since it only signals the switcheroo module
that switching is possible.

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[Bug 47790] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #7 from Frej Drejhammar <frej.drejhammar-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2012-03-25 07:20:32 PDT ---
Running on NV34 [GeForce FX 5200] (rev a1) and upgrading from 3.2.10
to 3.3 (both mainline, ie not gentoo-sources) I experience the same
symptoms, but in this case it is the primary (and only) VGA monitor
that turns black when drm initializes during boot.

Just as in Dan Goodliffe's bug report in Gentoo's bug tracker
everything seems to work normally except that the console stays black,
my monitor reports a valid graphics mode, and DPMS turns off the
monitor after the expected idle interval.

In contrast to Dan Goodliffe I have had better luck during bisecting
and end up with dea7e0ac45fd28f90bbc38ff226d36a9f788efbf as the
culprit:

dea7e0ac45fd28f90bbc38ff226d36a9f788efbf is the first bad commit
commit dea7e0ac45fd28f90bbc38ff226d36a9f788efbf
Author: Jerome Glisse <jglisse-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Date:   Tue Jan 3 17:37:37 2012 -0500

    ttm: fix agp since ttm tt rework

    ttm tt rework modified the way we allocate and populate the
    ttm_tt structure, the AGP side was missing some bit to properly
    work. Fix those and fix radeon and nouveau AGP support.

    Tested on radeon only so far.

    Signed-off-by: Jerome Glisse <jglisse-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
    Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
    Signed-off-by: Dave Airlie <airlied-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

Regards,
Frej

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[Bug 47790] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #8 from Dan Goodliffe <dan-eYclldcT4NIrZ0Rg1FI7rOTW4wlIGRCZ@public.gmane.org> 2012-03-25 16:02:44 PDT ---
Primary display is an Acer X221W connected to the DVI port with a VGA adapter.
Secondary display is an Aver AL702 connected to the VGA directly.
vbios coming soon... just need to boot into a kernel with support for it.

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[Bug 47790] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #9 from Dan Goodliffe <dan-eYclldcT4NIrZ0Rg1FI7rOTW4wlIGRCZ@public.gmane.org> 2012-03-25 16:20:49 PDT ---
Created attachment 59043
  --> https://bugs.freedesktop.org/attachment.cgi?id=59043
vbios.rom

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[Bug 47790] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

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https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #10 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
Does this issue persist with newer kernels/DDX's (e.g. kernel 3.10, ddx 1.0.9)?

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[Bug 47790] [NV36 AGP] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

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https://bugs.freedesktop.org/show_bug.cgi?id=47790

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|sys-kernel/gentoo-sources-3 |[NV36 AGP]
                   |.3.0 - black screen on      |sys-kernel/gentoo-sources-3
                   |second nouveau display      |.3.0 - black screen on
                   |                            |second nouveau display

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[Bug 47790] [NV36 AGP] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

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https://bugs.freedesktop.org/show_bug.cgi?id=47790

--- Comment #11 from Dan Goodliffe <dan-eYclldcT4NIrZ0Rg1FI7rOTW4wlIGRCZ@public.gmane.org> ---
I'm afraid I'm no longer in a position to test this, the motherboard died and
the graphics card is no longer in use. Sorry.

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[Bug 47790] [NV36 AGP] sys-kernel/gentoo-sources-3.3.0 - black screen on second nouveau display

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https://bugs.freedesktop.org/show_bug.cgi?id=47790

Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> changed:

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

--- Comment #12 from Ilia Mirkin <imirkin-FrUbXkNCsVf2fBVCVOL8/A@public.gmane.org> ---
And the user who did the bisect didn't add himself to the CC list. Oh well.
I'll mark it invalid then, as no one is availabe to test. It can be reopened
should there be renewed interest.

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