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bugzilla-daemon at freedesktop.org

2011-Jan-25 02:19 UTC

[Nouveau] [Bug 33445] New: NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

           Summary: NVS 3100M : Blank screen on kernel module loading
           Product: xorg
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: celelibi at gmail.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=42426)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=42426)
syslog.log From boot up to modprobe nouveau

When the kernel module nouveau is loaded, it tries to set to resolution using
KMS. But it fails and only leave a blank (black) screen with backlight turned
on.

But logs just looks like everything is fine.

Here is the "lspci -vvvnns 01:00.0", and then attached syslog.log from
boot up,
to "modeprobe nouveau". And then, syslogs when reloading drm with
debug=6.

01:00.0 VGA compatible controller [0300]: nVidia Corporation GT218 [NVS 3100M]
[10de:0a6c] (rev a2) (prog-if 00 [VGA controller])
        Subsystem: Dell Latitude E6510 [1028:040b]
        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: 64 bytes
        Interrupt: pin A routed to IRQ 16
        Region 0: Memory at d2000000 (32-bit, non-prefetchable) [size=16M]
        Region 1: Memory at c0000000 (64-bit, prefetchable) [size=256M]
        Region 3: Memory at d0000000 (64-bit, prefetchable) [size=32M]
        Region 5: I/O ports at 7000 [size=128]
        Expansion ROM at d3000000 [disabled] [size=512K]
        Capabilities: [60] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
                Address: 0000000000000000  Data: 0000
        Capabilities: [78] Express (v2) Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s
unlimited, L1 <64us
                        ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal-
Unsupported-
                        RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
                        MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr-
TransPend-
                LnkCap: Port #0, Speed 5GT/s, Width x16, ASPM L0s L1, Latency
L0 <256ns, L1 <4us
                        ClockPM+ Surprise- LLActRep- BwNot-
                LnkCtl: ASPM L1 Enabled; RCB 128 bytes Disabled- Retrain-
CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x16, TrErr- Train- SlotClk+
DLActive- BWMgmt- ABWMgmt-
                DevCap2: Completion Timeout: Not Supported, TimeoutDis+
                DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-
                LnkCtl2: Target Link Speed: 5GT/s, EnterCompliance- SpeedDis-,
Selectable De-emphasis: -6dB
                         Transmit Margin: Normal Operating Range,
EnterModifiedCompliance- ComplianceSOS-
                         Compliance De-emphasis: -6dB
                LnkSta2: Current De-emphasis Level: -6dB
        Capabilities: [b4] Vendor Specific Information: Len=14 <?>
        Capabilities: [100 v1] Virtual Channel
                Caps:   LPEVC=0 RefClk=100ns PATEntryBits=1
                Arb:    Fixed- WRR32- WRR64- WRR128-
                Ctrl:   ArbSelect=Fixed
                Status: InProgress-
                VC0:    Caps:   PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
                        Arb:    Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
                        Ctrl:   Enable+ ID=0 ArbSelect=Fixed TC/VC=01
                        Status: NegoPending- InProgress-
        Capabilities: [128 v1] Power Budgeting <?>
        Capabilities: [600 v1] Vendor Specific Information: ID=0001 Rev=1
Len=024 <?>

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bugzilla-daemon at freedesktop.org

2011-Jan-25 02:21 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #1 from celelibi at gmail.com 2011-01-24 18:21:47 PST ---
Created an attachment (id=42427)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=42427)
syslog.log From unloading nouveau+ttm+drm_kms_helper, reloading drm with
debug=6 and reloading nouveau.

The second par of the syslog.

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bugzilla-daemon at freedesktop.org

2011-Jan-25 09:04 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

celelibi at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #42427|syslog.log From unloading   |syslog.log when unloading
        description|nouveau+ttm+drm_kms_helper, |nouveau+ttm+drm_kms_helper,
                   |reloading drm with debug=6  |reloading drm with debug=6
                   |and reloading nouveau.      |and reloading nouveau.
  Attachment #42427|application/octet-stream    |text/plain
          mime type|                            |

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bugzilla-daemon at freedesktop.org

2011-Jan-25 09:04 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

celelibi at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #42426|application/octet-stream    |text/plain
          mime type|                            |

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bugzilla-daemon at freedesktop.org

2011-Jan-27 13:34 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #2 from celelibi at gmail.com 2011-01-27 05:34:05 PST ---
Created an attachment (id=42587)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=42587)
vga rom extracted with vbtracetool

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bugzilla-daemon at freedesktop.org

2011-Jan-27 19:36 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #3 from celelibi at gmail.com 2011-01-27 11:36:15 PST ---
No improvment with 2.6.38-rc2 from nouveau git.
I may add syslogs when running this kernel if needed.

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bugzilla-daemon at freedesktop.org

2011-Feb-04 00:34 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #4 from Tomasz Wasiak <tjwasiak at poczta.onet.pl> 2011-02-03
16:34:25 PST ---
Do you have fbcon configured as a module? You have to load it then...

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bugzilla-daemon at freedesktop.org

2011-Feb-06 00:42 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #5 from celelibi at gmail.com 2011-02-05 16:42:56 PST ---
(In reply to comment #4)> Do you have fbcon configured as a module? You have to load it then...
fbcon (I guess this is CONFIG_FRAMEBUFFER_CONSOLE) is built-in.

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bugzilla-daemon at freedesktop.org

2011-Feb-15 10:13 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #6 from Lucas Stach <dev at lynxeye.de> 2011-02-15 02:13:21
PST ---
It looks like the vbios leaves your memory severely overclocked after boot up.
I don't know if you could force a perflevel as a module param, to get it
into a
sane state.

You could ask this at the irc channel.

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bugzilla-daemon at freedesktop.org

2011-Feb-16 04:33 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #7 from Ben Skeggs <skeggsb at gmail.com> 2011-02-15 20:33:09
PST ---
I highly recommend *against* trying to change the performance level here. 
There's something odd about the PLLs on nva3+ boards (sometimes), which is
the
more likely reason why we detect a 950MHz memclk.

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bugzilla-daemon at freedesktop.org

2011-Mar-01 16:05 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #8 from celelibi at gmail.com 2011-03-01 08:05:44 PST ---
As I've been told on IRC, here is a mmio trace when loading nouveau.

http://ompldr.org/vN200OQ

It contains two marks : before running modprobe nouveau, and after it complete.

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bugzilla-daemon at freedesktop.org

2011-May-01 12:50 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #9 from celelibi at gmail.com 2011-05-01 05:50:26 PDT ---
Created an attachment (id=46216)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=46216)
dmesg log with linux 2.6.39-rc4

What happens is exactly the same with linux 2.6.39-rc4: blank screen when
loading nouveau lkm.

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bugzilla-daemon at freedesktop.org

2011-May-02 22:59 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #10 from Ben Skeggs <skeggsb at gmail.com> 2011-05-02 15:59:12
PDT ---
Created an attachment (id=46263)
 View: https://bugs.freedesktop.org/attachment.cgi?id=46263
 Review: https://bugs.freedesktop.org/review?bug=33445&attachment=46263

hardcode alternate set of dp magics

I fear I know what's going on here.  Can you give this patch a try and
report
what you see?

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bugzilla-daemon at freedesktop.org

2011-May-08 20:39 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #11 from celelibi at gmail.com 2011-05-08 13:39:17 PDT ---
Created an attachment (id=46453)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=46453)
dmesg when loading the patched nouveau

The visual effect with this patch is exactly the same. The screen become blank.
I attach the dmesg log with drm.debug=14

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bugzilla-daemon at freedesktop.org

2011-May-21 10:41 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on kernel module loading

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #12 from celelibi at gmail.com 2011-05-21 03:41:44 PDT ---
When I connect an external VGA monitor and load nouveau, I get the correct
image on the VGA screen.
The same happen with and without the latest patch.

Then the problem may be only eDP related.

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bugzilla-daemon at freedesktop.org

2011-May-21 14:14 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on external eDP monitor

https://bugs.freedesktop.org/show_bug.cgi?id=33445

Emil Velikov <emil.l.velikov at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|NVS 3100M : Blank screen on |NVS 3100M : Blank screen on
                   |kernel module loading       |external eDP monitor

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2011-May-22 12:05 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on internal eDP monitor

https://bugs.freedesktop.org/show_bug.cgi?id=33445

celelibi at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|NVS 3100M : Blank screen on |NVS 3100M : Blank screen on
                   |external eDP monitor        |internal eDP monitor

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bugzilla-daemon at freedesktop.org

2011-Jun-29 05:22 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on internal eDP monitor

https://bugs.freedesktop.org/show_bug.cgi?id=33445

Ben Skeggs <skeggsb at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #46263|0                           |1
        is obsolete|                            |

--- Comment #13 from Ben Skeggs <skeggsb at gmail.com> 2011-06-28 22:22:18
PDT ---
Created an attachment (id=48538)
 View: https://bugs.freedesktop.org/attachment.cgi?id=48538
 Review: https://bugs.freedesktop.org/review?bug=33445&attachment=48538

dp magics + debug, take 2

Hmm, it looks entirely plausible that the code added by the previous patch
never got hit.  Can you give this new version a try please!

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bugzilla-daemon at freedesktop.org

2011-Jun-29 11:20 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on internal eDP monitor

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #14 from Ben Skeggs <skeggsb at gmail.com> 2011-06-29 04:20:28
PDT ---
Actually, looking at things again the code would have been hit.  However, I
understand those magics a bit more now, and it makes sense why the first patch
didn't work.

The new patch still may.

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2011-Jul-02 22:50 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on internal eDP monitor

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #15 from celelibi at gmail.com 2011-07-02 15:50:31 PDT ---
OMGWTFBBQ! IT WORKS! IT WORKS! :D
I can even start xorg using nouveau.

And at the same time it solves my ugly fonts I had using nvidia driver.

BTW, here are the log lines added (I suppose) by your patch:
Jul  3 00:30:56 Sylabtop kernel: [drm] nouveau 0000:01:00.0: DP config:
0x950e270e/0x00052801 0x004150c9 0x950e270e
Jul  3 00:30:56 Sylabtop kernel: [drm] nouveau 0000:01:00.0: DP config:
0x00000000/0x00000000 0x00401100 0x14000000
Jul  3 00:30:56 Sylabtop kernel: [drm] nouveau 0000:01:00.0: DP config:
0x00000000/0x00000000 0x00401100 0x14000000


Now I hope it wouldn't take too long to make a real patch. ;)

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bugzilla-daemon at freedesktop.org

2011-Sep-18 20:19 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on internal eDP monitor

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #16 from celelibi at gmail.com 2011-09-18 13:18:57 PDT ---
Created an attachment (id=51321)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51321)
kern.log

Here are the logs with linux 3.1.0-rc5.
And it doesn't work.

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bugzilla-daemon at freedesktop.org

2011-Sep-20 06:29 UTC

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[Nouveau] [Bug 33445] NVS 3100M : Blank screen on internal eDP monitor

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #17 from Ben Skeggs <skeggsb at gmail.com> 2011-09-19 23:29:55
PDT ---
Yep, the fixed code isn't in an upstream kernel yet.  It's queued for
3.2.

Until then, current nouveau git will compile just fine against 3.1-rcX kernels.
 See
http://nouveau.freedesktop.org/wiki/InstallDRM#out-of-treebuild.28alternative.29
for details of how to do so.

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2012-Jan-29 16:55 UTC

head link

[Nouveau] [Bug 33445] NVS 3100M : Blank screen on internal eDP monitor

https://bugs.freedesktop.org/show_bug.cgi?id=33445

--- Comment #18 from celelibi at gmail.com 2012-01-29 08:55:42 PST ---
Created attachment 56293
  --> https://bugs.freedesktop.org/attachment.cgi?id=56293
kern.log for 3.2.2

I'm a few days late for the aniversary of this bug. ^^

I tried Linux 3.2.2 from kernel.org, it doesn't work. I still have the blank
screen. I attach the kern.log.

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2013-Aug-25 03:59 UTC

head link

[Nouveau] [Bug 33445] [NVA8] NVS 3100M : Blank screen on internal eDP monitor

https://bugs.freedesktop.org/show_bug.cgi?id=33445

Ilia Mirkin <imirkin at alum.mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|NVS 3100M : Blank screen on |[NVA8] NVS 3100M : Blank
                   |internal eDP monitor        |screen on internal eDP
                   |                            |monitor

--- Comment #19 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Please retest this with the latest kernel.

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bugzilla-daemon at freedesktop.org

2013-Sep-26 23:30 UTC

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[Nouveau] [Bug 33445] [NVA8] NVS 3100M : Blank screen on internal eDP monitor

https://bugs.freedesktop.org/show_bug.cgi?id=33445

Ilia Mirkin <imirkin at alum.mit.edu> changed:

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

--- Comment #20 from Ilia Mirkin <imirkin at alum.mit.edu> ---
No response to re-test request in over a month. Closing as invalid.

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2013-Oct-04 21:26 UTC

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[Nouveau] [Bug 33445] [NVA8] NVS 3100M : Blank screen on internal eDP monitor

https://bugs.freedesktop.org/show_bug.cgi?id=33445

celelibi at gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|INVALID                     |FIXED

--- Comment #21 from celelibi at gmail.com ---
Sorry for beeing so late.
Tried with Linux 3.9. Now it works.

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