Nouveau - Aug 2009 - [Bug 23223] New: Regression: Nvidia Geforce 7300 (NV4B) fails to suspend

http://bugs.freedesktop.org/show_bug.cgi?id=23223

           Summary: Regression: Nvidia Geforce 7300 (NV4B) fails to suspend
           Product: xorg
           Version: 7.2
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: ronald645 at gmail.com
         QAContact: xorg-team at lists.x.org


Created an attachment (id=28444)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=28444)
Dmesg just after I completed startup.

The card suspended fine when I was still able to use malc0's
0001-merge-nv40fp.patch . But after the shift to another drm git, KMS must be
enabled to be able to hibernate. I have KMS enabled now, and hibernate hangs at
the first line. (like: Freezing system or something (let me know if you need
the exact sentence)). On IRC, pq said that bisecting was hard (but doable), but
it was better to report it first and see what comments I get. Attached are a
bunch of files, which (I think) are hopefully useful. Especially the file
dmesgwhens2disk seems useful. At first glance the numbers don't seem to
change,
but eventually they do...

                              Let met know if you need more info :)

drm (master-compat): 781edc5696881d268781300961fbe99390fe21f9
ddx:77d6bcfb45fca069aafdca0687760d668acd185a

Btw, the kernel documentation says that you need to modprobe nouveau modeset=1
(to enable KMS) . BUT, the nouveau module is already probed by *something else
in my system*. Adding nouveau.modeset=1 to my grub.conf enables it as well o.0


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--- Comment #1 from Ronald <ronald645 at gmail.com>  2009-08-09 01:25:33
PST ---
Created an attachment (id=28445)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=28445)
Dmesg, when I do dmesg -c && echo 1 >
/sys/module/drm/parameters/debug &&
s2disk


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--- Comment #2 from Ronald <ronald645 at gmail.com>  2009-08-09 01:26:36
PST ---
Created an attachment (id=28446)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=28446)
lspci -s 01:00.0 -v -v -v > lspci


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--- Comment #3 from Ronald <ronald645 at gmail.com>  2009-08-09 01:27:13
PST ---
Created an attachment (id=28447)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=28447)
The log of the running Xorg server when I'm trying to suspend (I don't
see
anything)


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--- Comment #4 from Ben Skeggs <skeggsb at gmail.com>  2009-12-03 03:12:07
PST ---
Can you try the latest code in git, and kernel modesetting?  Thanks.


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--- Comment #5 from Ronald <ronald645 at gmail.com>  2009-12-03 03:50:21
PST ---
Yes, I will try in a week or two, thanks for the reminder.


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--- Comment #6 from Ronald <ronald645 at gmail.com>  2009-12-22 09:03:36
PST ---
Nope, still does not work. Same effect as initial report, the thing hangs on
the exact same sentence. Any data needed?


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--- Comment #7 from Ronald <ronald645 at gmail.com> ---
Just tried v3.8rc1 + nouveau HEAD and a patch from:

https://bugs.freedesktop.org/show_bug.cgi?id=50121#c31 . It suspends now,
altough it takes a while. I hear stuff power down twice, I don't think
that's
correct...

Recent rework made things worse, the screen resumed with a black screen. Latest
HEAD with mentioned patch makes stuff regress like pre kernel v3.5 rework: The
screen comes up, slightly garbled. It won't respond, and eventually the
entire
screen locks-up.

Any pointers on what to do next??

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Ronald <ronald645 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Hardware|Other                       |x86-64 (AMD64)
                 OS|All                         |Linux (All)
            Summary|Regression: Nvidia Geforce  |[NV4B] nVidia Geforce 7300
                   |7300 (NV4B) fails to        |(NV4B) fails to resume
                   |suspend                     |
            Version|7.2 (2007.02)               |git
           Keywords|                            |regression

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Ronald <ronald645 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #28444|0                           |1
        is obsolete|                            |
  Attachment #28445|0                           |1
        is obsolete|                            |
  Attachment #28446|0                           |1
        is obsolete|                            |
  Attachment #28447|0                           |1
        is obsolete|                            |

--- Comment #8 from Ronald <ronald645 at gmail.com> ---
Created attachment 72137
  --> https://bugs.freedesktop.org/attachment.cgi?id=72137&action=edit
Dmesg v3.8rc1+Nouveau_HEAD+patch from #50121#c31 (boot)

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--- Comment #9 from Ronald <ronald645 at gmail.com> ---
Created attachment 72138
  --> https://bugs.freedesktop.org/attachment.cgi?id=72138&action=edit
Dmesg v3.8rc1+Nouveau_HEAD+patch from #50121#c31 (s2disk cycle)

Suspend and resume cycle:

echo disk > /sys/power/state; dmesg -c >&
v3.8rc1_nouveaudebug_cycle.txt

I see some errors in there. Hope it helps. Purged all the other old data, I
hope that's okay since this is new.

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Ronald <ronald645 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[NV4B] nVidia Geforce 7300  |[NV4B] nVidia Geforce 7300
                   |(NV4B) fails to resume      |fails to properly resume

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--- Comment #10 from Marcin Slusarz <marcin.slusarz at gmail.com> ---
Does it boot (yes, boot, not resume) if you add
nouveau.config=DEVINIT=NvForcePost=1 to kernel command line?

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--- Comment #11 from Ronald <ronald645 at gmail.com> ---
Yes, it boots. But that is it, actually. By passing that kernel paremeter it
seems to reproduce the exact same screen distortion if I resume: lot's of
stuff
is a little off (both in location and color). But I could see what I typed and
recognize my splash screen wallpaper. It just had this local distorted
area's
that flipped state every once in a while...

I'm attaching a dmesg for your viewing pleasure. Lot's of errors...

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--- Comment #12 from Ronald <ronald645 at gmail.com> ---
Created attachment 72251
  --> https://bugs.freedesktop.org/attachment.cgi?id=72251&action=edit
Dmesg v3.8rc1+Nouveau_HEAD+patch from #50121#c31 +
nouveau.config=DEVINIT=NvForcePost=1

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--- Comment #13 from Marcin Slusarz <marcin.slusarz at gmail.com> ---
That's exactly what I was hoping to see :).

Please attach your VBIOS (see
http://nouveau.freedesktop.org/wiki/DumpingVideoBios )

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--- Comment #14 from Ronald <ronald645 at gmail.com> ---
Created attachment 72262
  --> https://bugs.freedesktop.org/attachment.cgi?id=72262&action=edit
G73 (NV4B) VBIOS, version 05.73.22.54.00 retrieved with DebugFS and kernel
v3.6.9

I tried to update the Wiki to reflect the current situation but my account
(Rexilion) is not allowed to do so... . So this is the VBIOS retrieved from a
v3.6.9 kernel.

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--- Comment #15 from Marcin Slusarz <marcin.slusarz at gmail.com> ---
Please attach boot log with above option and nouveau.debug=trace

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Ronald <ronald645 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #72251|0                           |1
        is obsolete|                            |

--- Comment #16 from Ronald <ronald645 at gmail.com> ---
Created attachment 72265
  --> https://bugs.freedesktop.org/attachment.cgi?id=72265&action=edit
Dmesg v3.8rc1+Nouveau_HEAD+patch from #50121#c31 +
nouveau.config=DEVINIT=NvForcePost=1 + nouveau.debug=trace

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Ronald <ronald645 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #72137|0                           |1
        is obsolete|                            |
  Attachment #72138|0                           |1
        is obsolete|                            |
  Attachment #72265|0                           |1
        is obsolete|                            |

--- Comment #17 from Ronald <ronald645 at gmail.com> ---
Created attachment 72615
  --> https://bugs.freedesktop.org/attachment.cgi?id=72615&action=edit
Dmesg v3.8rc2 + Nouveau HEAD

- NV4B
- nouveau.config=DEVINIT=NvForcePost=1 + nouveau.debug=trace
- deprecating old logs

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--- Comment #18 from Marcin Slusarz <marcin.slusarz at gmail.com> ---
Created attachment 72637
  --> https://bugs.freedesktop.org/attachment.cgi?id=72637&action=edit
script limitter

VBIOS contains some scripts, which are normally run by BIOS.
Nouveau executes those scripts:
1) when it detects the card is uninitialized
2) when NvForcePost=1 option is passed
3) on resume

It seems Nouveau does something wrong on your card when it executes those
scripts. So, if we will fix boot with NvForcePost=1, we will also fix the
resume issue.

Now, how to fix boot with NvForcePost=1? Good question ;).
Figuring out which script makes the trouble will probably make it easier.
With the above patch you will be able to tell how many scripts are executed and
then limit which one to execute by passing module parameters: minscript and
maxscript. Try it. (start by setting maxscript only)

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--- Comment #19 from Ronald <ronald645 at gmail.com> ---
Created attachment 72648
  --> https://bugs.freedesktop.org/attachment.cgi?id=72648&action=edit
Cat'ed dmesg logs

Yay, script bisect! I did every combination (assuming order does not  matter)
since I could not find any apparent pattern. Too bad...

I have scripts -1,0,1,2 and 3 on this card.

Combinations that work:

- -1
- -1,0
- -1,0,1
- 0
- 0,1
- 0,1,2
- 0,1,2,3
- 1
- 1,2
- 1,2,3
- 2
- 2,3
- 3

Combinations that fail:
- -1,0,1,2
- -1,0,1,2,3 (normal)

Weird thing is that the only other failing combination is the regular boot
without script 3. Do you see any patterns?

I will attach dmesg of all combo's in one file.

Please note that: minscript=2 will execute script 1,2,3. Maxscript 2 will
execute -1,0,1. So minscript=2 and maxscript=2 will execute script 1 only.

If boot is scrambled, nouveau will give fbcon messages on each lockup. If
it's
not scrambled it won't, so it's directly related.

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--- Comment #20 from Marcin Slusarz <marcin.slusarz at gmail.com> ---
Argh, I made a mistake in this patch - I subtracted 1 from printed indexes.
So the only failing combination are 0-3 and 0-4, which means something about
script 3 is not ok (4th script is empty).

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--- Comment #21 from Ronald <ronald645 at gmail.com> ---
No problem. Glad I could help.

You mentioned script 3 being not okay. And 4 being empty. Then I noticed that
the combination of 0 and 3 is fatal somehow. Because sometimes, including
script 3 works out correctly.

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--- Comment #22 from Marcin Slusarz <marcin.slusarz at gmail.com> ---
Please attach an mmiotrace [1] of binary driver handling suspend & resume.

[1] http://nouveau.freedesktop.org/wiki/MmioTrace

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--- Comment #23 from Ronald <ronald645 at gmail.com> ---
Created attachment 72669
  --> https://bugs.freedesktop.org/attachment.cgi?id=72669&action=edit
Mmiotrace of NV4B s2disk cycle, kernel v3.7.1 and nVidia 304.64

I think it worked out. Weird thing is: I tried booting with init=/bin/bash,
setting up the mounts myself and making root rw and all that. Then I get a
750kb uncompressed file. So I tried again, booting using Gentoo, but without X
and terminal only, and it's 30MB uncompressed.

What is the difference? I think it worked out okay though.

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--- Comment #24 from Ronald <ronald645 at gmail.com> ---
Yes it worked out properly. The difference was that udev is started if I use
init and seems to change something with my display. If I then do an s2disk
cycle, everything is peachy and the mmiotrace is 30MB.

I started in single mode and started udev as well, I got the same result. Sorry
for bothering you, thought it was a driver issue. At least I can confirm that
the above mmiotrace should be okay for use.

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--- Comment #25 from Ronald <ronald645 at gmail.com> ---
The card died on me yesterday. The BIOS splash shows small but many garbled
artifacts. Once nouveau loads it tears the entire screen with (DMA) errors.

Two weeks ago I installed Windows on it for upgrading an e-reader. The last
time I did that was maybe 4 years ago. Now, 2 Weeks later after the install the
GPU dies. Food for thought!

Time to buy a new one...

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

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

--- Comment #26 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Original card is gone now, no more testing can be done. Marking as invalid.

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