[Bug 28342] New: When cold-booting gfx is messed up with latest drm-radeon-testing kernel

[Bug 28342] New: When cold-booting gfx is messed up with latest drm-radeon-testing kernel

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https://bugs.freedesktop.org/show_bug.cgi?id=28342

           Summary: When cold-booting gfx is messed up with latest
                    drm-radeon-testing kernel
           Product: DRI
           Version: DRI CVS
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: magnus@jensenligan.se


This only occurs when computer has been of for a long time (e.g over night)
Does not work either when booting into gdm, or booting into console and loading
radeon module manually.
If i first boot an vanilla kernel and go into X then warm-boot into d-r-t
kernel it will not show up anymore until next time i cold-boot.
It seems like the drm is having troubles initializing my gfx output.

My gfx card is an agp hd3650 (rv635)

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[Bug 28342] When cold-booting gfx is messed up with latest drm-radeon-testing kernel

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Marc <marvin24@gmx.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |marvin24@gmx.de

--- Comment #1 from Marc <marvin24@gmx.de> 2010-06-01 08:23:53 PDT ---
me too! But I wouldn't say "cold boot". Here, just booting the disto kernel
once and then booting the testing kernel also works. Chip is rs780.

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[Bug 28342] When cold-booting gfx is messed up with latest drm-radeon-testing kernel

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--- Comment #2 from Alex Deucher <agd5f@yahoo.com> 2010-06-01 08:56:15 PDT ---
Can you bisect what change caused the problem?

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[Bug 28342] When cold-booting gfx is messed up with latest drm-radeon-testing kernel

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--- Comment #3 from Magnus Jensen <magnus@jensenligan.se> 2010-06-01 11:32:23 PDT ---
Marc, do you also have patched mesa and ddx? (Add r6xx/r7xx tiling support to
mesa   Alex Deucher ; Add r6xx/r7xx tiling support to the ddx   Alex Deucher)

When replacing the packages individually with unpatched versions i still have
error, i have to remove patches from both mesa and ddx, then i don't have this
error.
Tried with latest drm-radeon-testing from git.

At least this is the situation for me.
I came to the conclusion by resetting using REISUB when trash output appears
then reinstalling first ddx using no patches, then tried with unpatched mesa
and patched ddx, then unpatched mesa & ddx and it worked!

So i am not 100% sure i will test some more with this.

(b.t.w i removed the whole patch set since it seemed a bad idea to run a
half-patched driver but i can try with individual patches also if u think i
should)

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[Bug 28342] When cold-booting gfx is messed up with latest drm-radeon-testing kernel

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--- Comment #4 from Marc <marvin24@gmx.de> 2010-06-02 02:26:30 PDT ---
Magnus: yes, I have the tiling patches applied to userspace and I think this is
a tiling related bug, but I will check this later.

Alex: I guess the tiling patches are not bisectable enough to get a usefull
result. Any suggestions?

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[Bug 28342] When cold-booting gfx is messed up with latest drm-radeon-testing kernel

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--- Comment #5 from Marc <marvin24@gmx.de> 2010-06-02 10:04:19 PDT ---
I donno how many times I rebooted my machine, but now it definitely will die
earlier...

here my findings:
I kept the userspace patches and tried kernel with and without tiling patches -
no change, still crashes. Then I installed a newer distro kernel (maverick
backport of 2.6.34, running Ubuntu lucid) -> works.

To make the long story short, crash or not to crash depends on whether plymouth
is started or not. Uh! I normaly boot my self compiled kernels with "verbose",
while the distro kernels boot with "quiet splash".

I guess plymouth initializes something the ddx doesn't.

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--- Comment #6 from Alex Deucher <agd5f@yahoo.com> 2010-06-02 10:07:43 PDT ---
(In reply to comment #5)
> 
> I guess plymouth initializes something the ddx doesn't.

With kms, neither one touches the hw.  It all goes through the drm.

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--- Comment #7 from Marc <marvin24@gmx.de> 2010-06-02 10:16:05 PDT ---
so it must be something else - I'll take a look at plymouth source.

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--- Comment #8 from Magnus Jensen <magnus@jensenligan.se> 2010-06-02 10:52:21 PDT ---
I use gdm, so maybe it's something gnome related? Isn't plymouth some
continuation off gdm?
It doesn't help when starting X straight into gnome with startx either,
I think i even tried with twm but i guess the gnome stuff could be started
anyway somehow.
I haven't had any time today really to do any more testing, but i hope i can
test some things later.

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--- Comment #9 from Alex Deucher <agd5f@yahoo.com> 2010-06-02 10:55:55 PDT ---
Neither gdm nor plymouth touches the hw.  Perhaps this is a dupe of bug 28327. 
Does the patch I posted there help?

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--- Comment #10 from Magnus Jensen <magnus@jensenligan.se> 2010-06-02 14:17:52 PDT ---
Created an attachment (id=36021)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36021)
dmesg-lockups

After the patch the card gets inited, at least but i get gpu crashes when
running gdm and firefox
here's the dmesg utput when gdm and firefox crashes

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--- Comment #11 from Magnus Jensen <magnus@jensenligan.se> 2010-06-02 14:19:34 PDT ---
sorry, to be clearer: the programs doesn't crash the gpu just crashes and
recover with trashed image as result

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--- Comment #12 from Marc <marvin24@gmx.de> 2010-06-02 14:28:00 PDT ---
here it crashes hard as soon as X starts, no dmesg available. plymouth renders
something to the framebuffer during boot process. Not all distros are using
this (I know of Ubuntu and Fedora).

Magnus: can you try with tiling patches in kernel + mesa, but without patched
ddx?

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--- Comment #13 from Magnus Jensen <magnus@jensenligan.se> 2010-06-02 15:29:23 PDT ---
Marc: I did what you suggested and now everything works fine (inited ok, no gpu
lockups)
I also updated xorg server to 1.8.1.901 (from 1.8.1)
This is with the patch Alex suggested

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--- Comment #14 from Magnus Jensen <magnus@jensenligan.se> 2010-06-02 15:46:52 PDT ---
I decided to do one final test an found it works with just setting
"ColorTiling" "off" in xorg.conf and all patches in both userspace and
kernelspace intact. 

Much easier than recompiling/switching packages over and over if u just want to
workaround the problem for now.

(Haven't tried to do an cold boot to see if init works yet but i'll try it
right away.)

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--- Comment #15 from Alex Deucher <agd5f@yahoo.com> 2010-06-02 16:14:22 PDT ---
(In reply to comment #14)
> I decided to do one final test an found it works with just setting
> "ColorTiling" "off" in xorg.conf and all patches in both userspace and
> kernelspace intact. 
> 

colortiling is off by default and is automatically disabled if your kernel is
not new enough.  Lets try and clarify what the problem is.  Try the following
configurations (start each one from with a cold boot):

1. drm-radeon-testing + the patch from bug 28327. No patches to ddx or mesa. No
tiling options in your config

2. drm-radeon-testing + the patch from bug 28327. ddx and mesa patch with
tiling patches. no tiling options in your config.

And report back what happens.

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--- Comment #16 from Marc <marvin24@gmx.de> 2010-06-03 02:52:38 PDT ---
Magnus: disabling tiling is not a real solution. 

Alex:
case 1: stable
case 2: crash

I'm still wondering why running plymouth before seems to cure the problem.

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--- Comment #17 from Magnus Jensen <magnus@jensenligan.se> 2010-06-03 03:14:59 PDT ---
Marc: 
Well that's my bad, it's not a solution. But it seems the problem is there even
if tiling is turned off.

Alex:

Same results as Marc. stable in case 1, in case 2 not.

When it crashes the output on half the screen looks like the dmesg output just
before fbcon starts, the boot messages that's lost because of loading radeon
module. Then the screen goes black and there's just the pointer on screen.

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--- Comment #18 from Magnus Jensen <magnus@jensenligan.se> 2010-06-03 07:22:27 PDT ---
I tried using built-in solution for kernel, and now it's a bit different in
case 2
It just crashes once on starting X then seems to work fine for the rest of the
session and looks to be stable after an warm boot (so far, so good).

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--- Comment #19 from Alex Deucher <agd5f@yahoo.com> 2010-06-03 08:29:38 PDT ---
In the case 2 crash, does the system hang or do you get a kernel oops?  Can you
still access the machine over the network?  Is there any chance you could boot
up without loading the radeon kernel module then load it manually after you've
booted?  Also, is there any chance you can get the xorg log and dmesg from case
2?

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--- Comment #20 from Magnus Jensen <magnus@jensenligan.se> 2010-06-03 13:43:17 PDT ---
(In reply to comment #19)
> In the case 2 crash, does the system hang or do you get a kernel oops?  Can you
> still access the machine over the network?  Is there any chance you could boot
> up without loading the radeon kernel module then load it manually after you've
> booted?  Also, is there any chance you can get the xorg log and dmesg from case
> 2?

OK, i compiled radeon as module (still have the patch from bug #28327) in
kernelso i can blacklist it and load it from console before starting.
All patches are in userspace, so this is case 2 test again.
It does not hang it crashes randomly giving gpu lockup messages in dmesg. 
And it really crashes RANDOMLY sometimes when starting X it crashes over and
over making X unusuble, sometimes just 1 time at x startup then seems stable
after that. very strange. 
I think using built in radeon in kernel seems to give much less crashes.
I attach what u wanted from this test.

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--- Comment #21 from Magnus Jensen <magnus@jensenligan.se> 2010-06-03 13:43:49 PDT ---
Created an attachment (id=36037)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36037)
/var/log/dmesg

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--- Comment #22 from Magnus Jensen <magnus@jensenligan.se> 2010-06-03 13:44:16 PDT ---
Created an attachment (id=36038)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36038)
output from dmesg

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--- Comment #23 from Magnus Jensen <magnus@jensenligan.se> 2010-06-03 13:44:47 PDT ---
Created an attachment (id=36039)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36039)
/var/log//Xorg.0.log

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--- Comment #24 from Alex Deucher <agd5f@yahoo.com> 2010-06-03 13:55:55 PDT ---
Created an attachment (id=36040)
 View: https://bugs.freedesktop.org/attachment.cgi?id=36040
 Review: https://bugs.freedesktop.org/review?bug=28342&attachment=36040

diable createpixmap2

Does this ddx patch help?  try case 2 with this patch applied to the ddx on top
of the tiling patches.

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--- Comment #25 from Magnus Jensen <magnus@jensenligan.se> 2010-06-03 14:52:26 PDT ---
Created an attachment (id=36042)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36042)
dmesg after patch

This is after patch, still crashes

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--- Comment #26 from Magnus Jensen <magnus@jensenligan.se> 2010-06-03 14:52:59 PDT ---
Created an attachment (id=36043)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36043)
Xorg.0.log after patch

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Magnus Jensen <magnus@jensenligan.se> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #36042|0                           |1
        is obsolete|                            |

--- Comment #27 from Magnus Jensen <magnus@jensenligan.se> 2010-06-03 14:54:47 PDT ---
Created an attachment (id=36044)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=36044)
dmesg before was wrong this is with right kernel

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Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #36040|0                           |1
        is obsolete|                            |

--- Comment #28 from Alex Deucher <agd5f@yahoo.com> 2010-06-03 15:34:00 PDT ---
Created an attachment (id=36045)
 View: https://bugs.freedesktop.org/attachment.cgi?id=36045
 Review: https://bugs.freedesktop.org/review?bug=28342&attachment=36045

emit DB_DEPTH_INFO

Try this ddx patch in case 2 instead of the last patch I attached.

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--- Comment #29 from Magnus Jensen <magnus@jensenligan.se> 2010-06-03 23:43:31 PDT ---
(In reply to comment #28)
> Created an attachment (id=36045)
 View: https://bugs.freedesktop.org/attachment.cgi?id=36045
 Review: https://bugs.freedesktop.org/review?bug=28342&attachment=36045

> emit DB_DEPTH_INFO
> 
> Try this ddx patch in case 2 instead of the last patch I attached.

Yes, that fixes it for me!

Thanks!

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--- Comment #30 from Marc <marvin24@gmx.de> 2010-06-06 09:00:05 PDT ---
last patch also fixes X startup here, but now I'm hit by

https://bugs.freedesktop.org/show_bug.cgi?id=28381

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Fabio Pedretti <fabio.ped@libero.it> changed:

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

--- Comment #31 from Fabio Pedretti <fabio.ped@libero.it> 2010-11-05 07:03:37 PDT ---
The patch was merged to ddx.

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