[Bug 20168] New: nVIDIA 9600GT KMS Lockup

[Bug 20168] New: nVIDIA 9600GT KMS Lockup

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=20168

           Summary: nVIDIA 9600GT KMS Lockup
           Product: xorg
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
        ReportedBy: kamilkss-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
         QAContact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org


Created an attachment (id=23043)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=23043)
dmesg

As per Ben's request, here's a new bug ;)
All of this takes place in a vc/1. Please look at the attached dmesg.

05:00.0 VGA compatible controller: nVidia Corporation G94 [GeForce 9600 GT]
(rev a1) (prog-if 00 [VGA controller])
        Subsystem: nVidia Corporation Device 0545
        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
        Latency: 0, Cache Line Size: 32 bytes
        Interrupt: pin A routed to IRQ 18
        Region 0: Memory at fa000000 (32-bit, non-prefetchable) [size=16M]
        Region 1: Memory at d0000000 (64-bit, prefetchable) [size=256M]
        Region 3: Memory at f8000000 (64-bit, non-prefetchable) [size=32M]
        Region 5: I/O ports at 6c00 [size=128]
        [virtual] Expansion ROM at fb000000 [disabled] [size=512K]
        Capabilities: <access denied>
        Kernel modules: nvidia, nvidiafb


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[Bug 20168] nVIDIA 9600GT KMS Blank Screen

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=20168


Kamil Kaminski <kamilkss-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|nVIDIA 9600GT KMS Lockup    |nVIDIA 9600GT KMS Blank
                   |                            |Screen




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[Bug 20168] nVIDIA 9600GT KMS Blank Screen

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=20168


Maarten Maathuis <madman2003-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |madman2003-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org




--- Comment #1 from Maarten Maathuis <madman2003-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2009-02-17 10:23:12 PST ---
Kernel modules: nvidia, nvidiafb

That's bad twice, you shouldn't load the blob and nvidiafb.


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[Bug 20168] nVIDIA 9600GT KMS Blank Screen

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=20168





--- Comment #2 from Kamil Kaminski <kamilkss-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2009-02-17 12:56:16 PST ---
Maarten, I think those modules got loaded because I passed vga=795 option to
the kernel. I'm using vanilla kernel and nvidia blob wasn't installed. Well I
removed vga=795, modprobe -r nvidiafb, and I still get the blank screen. When
ssh'ing to the machine dmesg seems to get overflowed with:

[drm:nv50_dac_detect] Using bios provided load_pattern of 520
[drm:nv50_dac_detect] Load was detected on output with or 1
[drm:nv50_connector_hpd_detect] Hotplug detect returned negative for bus 1
[drm:nouveau_nv50_i2c_irq_handler] NV50_PCONNECTOR_HOTPLUG_CTRL - 0x00100010
[drm:nv50_connector_hpd_detect] Hotplug detect returned positive for bus 0
[drm:nv50_dac_detect] Using bios provided load_pattern of 520
[drm:nv50_dac_detect] Load was detected on output with or 1
[drm:nv50_connector_hpd_detect] Hotplug detect returned negative for bus 1
[drm:nouveau_nv50_i2c_irq_handler] NV50_PCONNECTOR_HOTPLUG_CTRL - 0x00100010
[drm:nv50_connector_hpd_detect] Hotplug detect returned positive for bus 0
[drm:nv50_dac_detect] Using bios provided load_pattern of 520
[drm:nv50_dac_detect] Load was detected on output with or 1
[drm:nv50_connector_hpd_detect] Hotplug detect returned negative for bus 1
[drm:nouveau_nv50_i2c_irq_handler] NV50_PCONNECTOR_HOTPLUG_CTRL - 0x00100010
[drm:nv50_connector_hpd_detect] Hotplug detect returned positive for bus 0
....
....
....


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[Bug 20168] nVIDIA 9600GT KMS Blank Screen

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=20168





--- Comment #3 from Maarten Maathuis <madman2003-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2009-02-17 13:30:21 PST ---
Perhaps the unconditional enabling of many hotplug irq's has turned on a "bad"
one.

Short time bypass would to be to not enable them, ~line 130 in
linux-core/nv50_display.c

Long term solution requires mapping all the irq bits, assuming that it is
indeed the problem.

On a different note, besides the existing 0xe050/0xe054 registers, a fairly
similar 0xe070/0xe074 has appeared, perhaps just on g9x cards?

I'll leave Ben to decide.


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[Bug 20168] nVIDIA 9600GT KMS Blank Screen

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=20168





--- Comment #4 from okias <d.okias-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2009-03-11 06:59:30 PST ---
try again with lastest GIT, it solved all problems for me :-)


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[Bug 20168] nVIDIA 9600GT KMS Blank Screen

[bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ]

http://bugs.freedesktop.org/show_bug.cgi?id=20168


Kamil Kaminski <kamilkss-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> changed:

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




--- Comment #5 from Kamil Kaminski <kamilkss-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  2009-03-11 13:16:02 PST ---
Thanks okias, git works for me also.


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