Nouveau - Dec 2014 - [Bug 87771] New: X freezes after login

https://bugs.freedesktop.org/show_bug.cgi?id=87771

            Bug ID: 87771
           Summary: X freezes after login
           Product: xorg
           Version: 7.7 (2012.06)
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: vivek.asci at gmail.com
        QA Contact: xorg-team at lists.x.org

Created attachment 111404
  --> https://bugs.freedesktop.org/attachment.cgi?id=111404&action=edit
Kernel messages from netconsole

After login attempt the screen freezes completely and even the mouse doesn't
move. 

On login the screen freezes completely and I cant even ssh into the machine.
The only option then is to press the reset button. Since the system freezes on
login I could get the kernel messages only by using netconsole. It occurs every
time.

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--- Comment #1 from Vivek <vivek.asci at gmail.com> ---
Created attachment 111405
  --> https://bugs.freedesktop.org/attachment.cgi?id=111405&action=edit
Xorg log

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--- Comment #2 from Vivek <vivek.asci at gmail.com> ---
I forgot to mention that my machine is an old machine with Nvidia 7050.

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--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Hmmm...

[     5.710] (EE) [drm] KMS not enabled
[     5.710] (EE) open /dev/dri/card0: No such file or directory

You need to look into that -- is /dev/dri/card0 really not there, or are the
permissions just messed up (e.g. you're trying to run X as non-root and not
in
the right group). This means that nouveau isn't really being used by X.

Separately, we've recently disabled MSI on all nv4x IGP's -- it was just
causing too much trouble for too little gain. Try booting with

nouveau.config=NvMSI=0

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|X freezes after login       |[NV63] X freezes after
                   |                            |login

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--- Comment #4 from Vivek <vivek.asci at gmail.com> ---
I'm sorry, that Xorg log I attached before is the log which I got after
booting
with nomodeset as the kernel parameter, because that is the only way I can
login. Otherwise the system completely freezes after login so there is no way
for me to retrieve the Xorg log.

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--- Comment #5 from Vivek <vivek.asci at gmail.com> ---
Created attachment 111416
  --> https://bugs.freedesktop.org/attachment.cgi?id=111416&action=edit
Xorg log after logging in

Strangely I could login once and before it hanged I collected the Xorg log.

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--- Comment #6 from Vivek <vivek.asci at gmail.com> ---
Created attachment 111417
  --> https://bugs.freedesktop.org/attachment.cgi?id=111417&action=edit
Netconsole log

This is the netconsole log when I could login and it didn't hang for a
while.

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--- Comment #7 from Vivek <vivek.asci at gmail.com> ---
Created attachment 111418
  --> https://bugs.freedesktop.org/attachment.cgi?id=111418&action=edit
Netconsole log

I booted with the parameter nouveau.config=NvMSI=0 
Now I am not even getting to the login screen. The screen freezes showing:


[    3.104591] nouveau  [     CLK][0000:00:10.0] --: core 24 MHz  
[    3.110538] [TTM] Zone  kernel: Available graphics memory: 1409596 kiB
[    3.110623] [TTM] Initializing pool allocator
[    3.110693] [TTM] Initializing DMA pool allocator
[    3.110776] nouveau  [     DRM] VRAM: 253 MiB
[    3.110840] nouveau  [     DRM] GART: 512 MiB
[    3.110908] nouveau  [     DRM] TMDS table version 1.1
[    3.110971] nouveau W[     DRM] TMDS table script pointers not stubbed
[    3.111040] nouveau  [     DRM] DCB version 3.0
[    3.111103] nouveau  [     DRM] DCB outp 00: 01000110 00000023
[    3.112925] nouveau  [     DRM] DCB conn 00: 0000
[    3.113040] nouveau  [     DRM] DCB conn 01: 1161
[    3.113156] nouveau W[     DRM] Pointer to flat panel table invalid
[    3.113537] nouveau  [     DRM] Saving VGA fonts
[    3.150665] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    3.150748] [drm] Driver supports precise vblank timestamp query.
[    3.152664] nouveau  [     DRM] MM: using M2MF for buffer copies
[    3.161916] systemd-logind[773]: Watching system buttons on
/dev/input/event1 (Power Button)

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--- Comment #8 from Marcin Slusarz <marcin.slusarz at gmail.com> ---
Any change if you boot with nouveau.config=PMPEG=0 ?

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--- Comment #9 from Vivek <vivek.asci at gmail.com> ---
I tried it the first time and it hanged even before I could get to the login
screen. But the second time I could login and it didn't freeze and it worked
fine. I tried it again and it again hanged before login screen appeared.

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--- Comment #10 from Vivek <vivek.asci at gmail.com> ---
Created attachment 111448
  --> https://bugs.freedesktop.org/attachment.cgi?id=111448&action=edit
dmesg

It did hang with nouveau.config=PMPEG=0 but this time I could ssh and get the
dmesg and Xorg log.

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--- Comment #11 from Vivek <vivek.asci at gmail.com> ---
Created attachment 111449
  --> https://bugs.freedesktop.org/attachment.cgi?id=111449&action=edit
Xorg log

Xorg log after booting with nouveau.config=PMPEG=0

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--- Comment #12 from Vivek <vivek.asci at gmail.com> ---
I am able to switch to a virtual terminal using Ctrl+Alt+F1. So (I think) KMS
is working.

Any help?

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Martin Peres <martin.peres at free.fr> changed:

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

--- Comment #13 from Martin Peres <martin.peres at free.fr> ---
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