Nouveau - Sep 2013 - [Bug 69203] New: Kernel 3.11 - Xorg hangs immediately after invocation

https://bugs.freedesktop.org/show_bug.cgi?id=69203

          Priority: medium
            Bug ID: 69203
          Assignee: nouveau at lists.freedesktop.org
           Summary: Kernel 3.11 - Xorg hangs immediately after invocation
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: alupu01 at gmail.com
          Hardware: Other
            Status: NEW
           Version: 9.1
         Component: Drivers/DRI/nouveau
           Product: Mesa

System:
(B)LFS i686-pc-linux-gnu
kernel 3.10.10 (with its nouveau module)
xorg-server v1.14.1
libdrm: git 2013-07-17 18:44 EST
Xorg_nouveau: git 2013-07-17 18:46 EST
Mesa v9.1.1
Motherboard:  "ASUS P5E-VM HDMI" with Intel G35/ICH9R,
 intel Core2Duo E8400 at 3.0GHz, 4 GB.
Graphics card:  EVGA GeForce GT430 active;  connected to
Monitor: ASUS VE258
---------------------------------------------------------
Description
1.  Boot up system to level 3 (text/VGA/console mode)
2.  Start Xorg (also known as "X", "X11")
3.  The system hangs.
  You can see the mouse pointer.  You can manipulate it but that's all.
  The only way out is to hard reboot the machine.
----------------------------------------------------------
Comments
1.  Up to and including 3.10.10, Xorg behaves normally.
2.  A git bisect procedure starting with
 git bisect good v3.10
 git bisect bad v3.11-rc7
reaches the last bisect step.  At that point
after compile and reboot the system hangs somewhere in the boot-up sequence.

git show
commit 5ee86c4190f9e19a9e13906389069c73d7f75bfb
Author: Ben Skeggs <bskeggs at redhat.com>
Date:   Mon Jul 1 14:32:42 2013 +1000

    drm/nve0-/gr: some new gpc registers can have multiple copies

    GK110 exposes more than one, and needs to be dealt with in the ctxsw
    ucode just like the TPC sets are.

    Broadcast is at +0xe00.
 ...

cat .git/HEAD                                 # For confirmation
5ee86c4190f9e19a9e13906389069c73d7f75bfb

Please note that at this point the bisect is at 0 revisions left, 1 step.
Unfortunately, this commit bring the additional problem, the boot hung.

3. See attachments
Xorg.0.log-3.10.10good
Xorg.0.log-3.11bug                      # The most telling as to the problem
config-3.10.10
config-3.11

4. In trying to narrow down to the "exact" commit responsible for the
 subject bug, I created a "timeline" of events related to the problems
 befalling my system.

A-----a---b---c---d---e---f---g-----B

(to the left:  earlier in time)
Note:  the "line" component of the word "timeline" is from a
bisect standpoint.
       Actually, there are a lot of branches and merges along the way.

Legend:
A: v3.10      X11 Good (a good "bisect good" start)
B: v3.11-rc1  X11 Bug  (a good "bisect bad" start)

a: 791dc143   X11 Good                                          Jun 27 17:35
b: 7c397cd9   X11 Good                                          Jun 28 14:24
c: 56fbd2b6   Hang on boot-up                                   May 2 12:37
d: c03ff9e8   Hang on boot-up                                   Jul 1 10:54
e: 5ee86c41   Hang on boot-up                                   Jul 1 14:32
f: 70f824ac   X11 starts but cursor is flaky (and soon lost)    Jul 1 14:48
g: 8f6fe267   X11 Bug                                           Jul 4 13:03

Commit references:

791dc143ed2c441f5202d8721609d94dce9fcf88
Author: Maarten Lankhorst
drm/nvd0-/disp: handle case where display engine is missing/disabled
Signed-off-by: Ben Skeggs

7c397cd97b8f46659698396b420bd48c3e6703e6
Author: Joonyoung Shim
drm: add mmap function to prime helpers
Signed-off-by: Joonyoung Shim and Dave Airlie

56fbd2b65446d4fb4df7770c49a70d563b7569c9
Author: Ben Skeggs
drm/nvf0/fifo: enable support
Signed-off-by: Ben Skeggs
[drivers/gpu/drm/nouveau]

c03ff9e8fa5fc0186158b99a89f613325ff352cf
Author: Ben Skeggs
drm/nvc0-/gr: pull out a group of separately context-switched gpc regs
Signed-off-by: Ben Skeggs
[drivers/gpu/drm/nouveau]

commit 5ee86c4190f9e19a9e13906389069c73d7f75bfb
Author: Ben Skeggs
drm/nve0-/gr: some new gpc registers can have multiple copies
Signed-off-by: Ben Skeggs
[drivers/gpu/drm/nouveau]

70f824ac8c369194e9499c59e687c6aa8b1a10c8
Author: Ben Skeggs
drm/nvc0-/gr: tpc regs a subset of gpc, add separate list for gpc/unk regs
Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
[drivers/gpu/drm/nouveau]

8f6fe26745d39299d43d79dd7ba9838517624c3f
Author: Ben Skeggs
drm/nvf0/gr: build cs ucode for GK110
Signed-off-by: Ben Skeggs
[drivers/gpu/drm/nouveau]

CONCLUSION
The bug was introduced and is lurking in the "nouveau" code of the
"official"
release, 3.11.
The NVidia GT430 uses the "nouveau" driver, so it is affected, as
described,
by the subject bug.
Note:  There is a "fix gpc hardware regression" in the nouveau branch:
 a0b7ebfb39bf80078d12bd1a46ec40d0d0dbdeef
including some patches.
Apparently, the corresponding "mainline" commit is
 d2989b534ef6834ebf2425aecc040b894b567c91
but it doesn't seem to affect (positively) the "problem" commit,
 5ee86c4190f9e19a9e13906389069c73d7f75bfb
(nor can one test it as long as the system hangs at boot!)

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--- Comment #1 from Alex <alupu01 at gmail.com> ---
Created attachment 85596
  --> https://bugs.freedesktop.org/attachment.cgi?id=85596&action=edit
Xorg log of the buggy version, 3.11

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--- Comment #2 from Alex <alupu01 at gmail.com> ---
Created attachment 85597
  --> https://bugs.freedesktop.org/attachment.cgi?id=85597&action=edit
Xorg log of the last "official" release of 3.10.x, 3.10.10

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--- Comment #3 from Alex <alupu01 at gmail.com> ---
Created attachment 85598
  --> https://bugs.freedesktop.org/attachment.cgi?id=85598&action=edit
'.config' of the buggy version, 3.11

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--- Comment #4 from Alex <alupu01 at gmail.com> ---
Created attachment 85599
  --> https://bugs.freedesktop.org/attachment.cgi?id=85599&action=edit
'.config' of the last "official" release of 3.10.x, 3.10.10

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--- Comment #5 from Ilia Mirkin <imirkin at alum.mit.edu> ---
The stuff in the X logs is just a side effect of nouveau_bo_wait hanging. Is
there anything interesting in dmesg?

Can you try

git checkout 5ee86c4190f9e
git cherry-pick d2989b534ef6834ebf2425aecc040b894b567c91

And run that kernel? (After that you'll need to use git reset --hard to get
back into a good state.)

BTW, don't let the dates confuse you -- they have nothing to do with commit
order. e.g. 5ee86c41 is an ancestor of 56fbd2b65 even though it's dated
later.

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Kernel 3.11 - Xorg hangs    |[NVC1] Kernel 3.11 - Xorg
                   |immediately after           |hangs immediately after
                   |invocation                  |invocation

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--- Comment #6 from Alex <alupu01 at gmail.com>
---
> Can you try
 git checkout 5ee86c4190f9e
 git cherry-pick
d2989b534ef6834ebf2425aecc040b894b567c91
> And run that kernel?
Hi Ilia,

[~/linux]$ git status
# On branch master
nothing to commit, working directory clean

[~/linux]$ git checkout 5ee86c4190f9e
Note: checking out '5ee86c4190f9e'.

You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by performing another checkout.

If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -b with the checkout command again. Example:

  git checkout -b new_branch_name

HEAD is now at 5ee86c41... drm/nve0-/gr: some new gpc registers can have
multiple copies

[~/linux]$ git cherry-pick d2989b534ef6834ebf2425aecc040b894b567c91
error: could not apply d2989b5... drm/nvc0/gr: fix gpc firmware regression
hint: after resolving the conflicts, mark the corrected paths
hint: with 'git add <paths>' or 'git rm <paths>'
hint: and commit the result with 'git commit'
-------------------------------------------------------------------------------
BTW (this might shed some extra light):
Yesterday, before resubmitting the bug, I tried to apply the
a0b7ebfb39bf80078d12bd1a46ec40d0d0dbdeef
patches to 5ee (edited to fit the master configuration).
I called the new patch "M.patch" (for Maarten).
This is what I got:

[~/linux]$ patch -p1 < /root/patches/M.patch ; echo $?
patching file drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpc.fuc
Hunk #1 succeeded at 353 (offset 1 line).
patching file drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnvc0.fuc.h
Hunk #1 FAILED at 400.
1 out of 1 hunk FAILED -- saving rejects to file
drivers/gpu/drm/nouveau/core/engine/graph/fuc/gpcnvc0.fuc.h.rej
1

so I gave up.
Caveat:  it's possible I may have messed up the patches (original and
edited)
I'll attach them for your critique.

-- Alex

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--- Comment #7 from Alex <alupu01 at gmail.com> ---
Created attachment 85636
  --> https://bugs.freedesktop.org/attachment.cgi?id=85636&action=edit
"original" patch

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--- Comment #8 from Alex <alupu01 at gmail.com> ---
Created attachment 85637
  --> https://bugs.freedesktop.org/attachment.cgi?id=85637&action=edit
"original" patch edited to fit my perceived reality

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--- Comment #9 from Alex <alupu01 at gmail.com> ---
On my comment #6, I forgot to insert before "so I gave up." this
comment:

I went ahead and I compiled/built the thing (successfully) but, as always,
it failed on boot-up (the "hang").  Hope this gives a better meaning
to the "so
I gave up."
Sorry.

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--- Comment #10 from Alex <alupu01 at gmail.com> ---
UPDATES and CLARIFICATIONS (to whom it may concern)

1. The bug persists in 3.11.1 ("Latest Stable Kernel").


2. The Boot-up hang problem
Encountered in bisecting for the subject bug.
Certain commits hang up on boot.  Hard (you have to press the Chernobyl button
to restart the machine.)
Note: as a "side effect" of those occurrences, the subject X11 bug
becomes
moot.
(I suspect some would consider this a _good_ side effect).

I pinpointed the offending commit by looking at the parents of c03ff9e8:

c03ff9e8fa5fc0186158b99a89f613325ff352cf        hangs on boot-up
30f4e0870d1726f31aa59804337cfd5e0a3f2ec7        hangs on boot-up
791dc143ed2c441f5202d8721609d94dce9fcf88        GOOD
 ...
a0376b1481fdb9c9e8064ea0c5af8bd80da3f8f3        GOOD
 ...
79442c3af0525e81d4598e272abe5db60c489c62        GOOD
 ...
99bd5537bd22256866d83033e0aab2586616bcc2        GOOD

------
So the boot-up hard HANG problem starts with

commit 30f4e0870d1726f31aa59804337cfd5e0a3f2e

Author: Ben Skeggs <bskeggs at redhat.com>
Date:   Sun Jun 9 16:08:22 2013 +1000

    drm/nvc0-/gr: make register lists from initvals functions

    Generated context verified to be the same for all supported chipsets.

    Signed-off-by: Ben Skeggs <bskeggs at redhat.com>
---------------------------------------------------------

3.  To clear up the confusion I created by confusing dates with commit order,
ancestors and the like.
I performed a "manual" bisect procedure in the "lineage" of
8f6fe267 where
the subject bug is introduced (and where 5ee86c41 is indeed an ancestor of
56fbd2b65).

Legend
GOOD - Clean boot-up to text/console mode (level 3).  Clean X11/Xorg (level 5)
HANG - Hard hang on boot-up (to text/console mode).
FLAKY - Flaky X11 cursor:  after, say, starting xterm and exiting it, the
        cursor disappears and you have to restart the machine.
BAD - X11/Xorg is hung.  FWIW, cursor can still be moved with the left mouse.
      No other reaction.  The Subject BUG.

The parents of 8f6fe267:
8f6fe26745d39299d43d79dd7ba9838517624c3f        BAD
960b4381c5fff0b0f16f4b812082811dde1ab7ab        B
0085a60524aeb743c15bbdf7354f4e4f6623243e        B
18ac4246510bee85d2efd6ed536b436e246f7624        B
9d1c4c51ce9cd133a25b339be398e35663cc2ae5        B
b054aadfb0030b9717bb22f4283bfe5aec13440b        B
9ec2dbba9fedbd1788849fb00d659ebdf549a4f8        B
56fbd2b65446d4fb4df7770c49a70d563b7569c9        B
26410c679865bcfcbe18422ca1eb472cf12ea82d        B
a32b2ffb82b5a386a13fde40dc131f853636dcf5        B
70f824ac8c369194e9499c59e687c6aa8b1a10c8        FLAKY
5ee86c4190f9e19a9e13906389069c73d7f75bfb        HANG
c03ff9e8fa5fc0186158b99a89f613325ff352cf        H
30f4e0870d1726f31aa59804337cfd5e0a3f2ec7        H
791dc143ed2c441f5202d8721609d94dce9fcf88        GOOD
 ...

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |vekinn at gmail.com

--- Comment #11 from Ilia Mirkin <imirkin at alum.mit.edu> ---
*** Bug 69488 has been marked as a duplicate of this bug. ***

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alan at signal11.us

--- Comment #12 from Ilia Mirkin <imirkin at alum.mit.edu> ---
*** Bug 69830 has been marked as a duplicate of this bug. ***

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--- Comment #13 from Alan Ott <alan at signal11.us> ---
I have switched to a different graphics card (GT220) and it's working fine
with
3.12-rc2. This means I'm free to ship my GT430 to a developer for
testing/debugging if desired.

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |marccollin7379 at gmail.com

--- Comment #14 from Emil Velikov <emil.l.velikov at gmail.com> ---
*** Bug 69768 has been marked as a duplicate of this bug. ***

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--- Comment #15 from Emil Velikov <emil.l.velikov at gmail.com> ---
I've tried going through the commit, but after ~30minutes and half of the
patch
gone there was still more than 6000 lines left :\

Alex, Alan, Marc can anyone of you guys do a mmio trace of _nouveau_ before and
after the offending patch ?

Thanks

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

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--- Comment #16 from Marc Collin <marccollin7379 at gmail.com> ---
i don't really know how to apply this patch to my current kernel, if i need
to
recompile or anything else

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--- Comment #17 from Emil Velikov <emil.l.velikov at gmail.com> ---
(In reply to comment #16)
> i don't really know how to apply this patch to my current kernel, if i
need
> to recompile or anything else
I do not think that applying/reverting the patch on top of current kernel is
possible.
Here is an example "how to"

1. Clone the git tree 
$ git clone git://anongit.freedesktop.org/nouveau/linux-2.6

2. Checkout at good/working commit 
$ git checkout -B fdo69203.good 30f4e0870d1726f31aa59804337cfd5e0a3f2e~1
3. Rebuild the kernel and install
4. MMIO trace it

5. Checkout the first bad/non-working commit 
$ git checkout -B fdo69203.good 30f4e0870d1726f31aa59804337cfd5e0a3f2e
6. Rebuild the kernel and install
7. MMIO trace it

8. Email the dumps to mmio dot trace at gmail dot com
9. [Optional] Diff the traces and attach the output :)

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--- Comment #18 from Emil Velikov <emil.l.velikov at gmail.com> ---
(In reply to comment #17)
> 5. Checkout the first bad/non-working commit 
> $ git checkout -B fdo69203.good 30f4e0870d1726f31aa59804337cfd5e0a3f2e
ouch s/fdo69203.good/fdo69203.bad

A couple of notes:
* The branch names "fdo69203.good, fdo69203.bad" and chosen just for
clarity.
* The commit in step 2 differs from that in step 5. The "~1" at the
end refers
to the parent commit.

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--- Comment #19 from Marc Collin <marccollin7379 at gmail.com> ---
it miss something...

ouch

what is this command?

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--- Comment #20 from Emil Velikov <emil.l.velikov at gmail.com> ---
(In reply to comment #19)
> it miss something...
> 
> ouch
> 
> what is this command?
I made a typo in step 5: fdo69203.good should read fdo69203.bad :)

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--- Comment #21 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Please try the latest nouveau/master. Commit
http://cgit.freedesktop.org/nouveau/linux-2.6/commit/?id=968a8d1b6c32c9f466f236032770b9165ece045a
addresses a part of the bisected 30f4e0870d1726f31aa59804337cfd5e0a3f2ec7
commit directly regarding nvc1.

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--- Comment #22 from Marc Collin <marccollin7379 at gmail.com> ---
really hard to clone this git repository..... alway get a timeout... any
mirrors?

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--- Comment #23 from Emil Velikov <emil.l.velikov at gmail.com> ---
(In reply to comment #17)
> $ git clone git://anongit.freedesktop.org/nouveau/linux-2.6
> 
The above git repo can be replaced with any mirror of Linus' tree.

(In reply to comment #22)
> really hard to clone this git repository..... alway get a timeout... any
> mirrors?
Strange fd.o seems to work fine in here. Either way give this a try

Checkout the nouveau-master branch over at https://github.com/evelikov/linux

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--- Comment #24 from Marc Collin <marccollin7379 at gmail.com> ---
ok i downloaded: https://github.com/evelikov/linux/archive/nouveau-master.zip

should be ok?

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--- Comment #25 from Marc Collin <marccollin7379 at gmail.com> ---
i get: 
*** No rule to make target `drivers/ata/libata-core.o', needed by
`drivers/ata/libata.o'.  Stop.

when i run make.

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--- Comment #26 from Emil Velikov <emil.l.velikov at gmail.com> ---
(In reply to comment #25)
> i get: 
> *** No rule to make target `drivers/ata/libata-core.o', needed by
> `drivers/ata/libata.o'.  Stop.
> 
> when i run make.
Sorry but this is not even remotely related to nouveau :\

Follow your distributions instructions on "how to rebuild the kernel"
or
request $insert_distro_name$ package maintainer to apply the mentioned commit.

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--- Comment #27 from Marc Collin <marccollin7379 at gmail.com> ---
get same problem with other distribution..

downloaded directly final 3.12 and without passing theses values

ro showopts apm=off noresume edd=off powersaved=off nohz=off highres=off
processor.max_cstate=1 nomodeset x11failsafe

i can't boot and get

MMIO read of 0x000000000 fault a 1x10f20c
MMIO read of 0x000000000 fault a 1x17e8dc

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--- Comment #28 from Marc Collin <marccollin7379 at gmail.com> ---
Created attachment 88797
  --> https://bugs.freedesktop.org/attachment.cgi?id=88797&action=edit
picture error boot kernel 3.12

picture error boot kernel 3.12

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--- Comment #29 from Marc Collin <marccollin7379 at gmail.com> ---
Created attachment 88798
  --> https://bugs.freedesktop.org/attachment.cgi?id=88798&action=edit
picture error boot kernel 3.12

picture error boot kernel 3.12

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--- Comment #30 from Ilia Mirkin <imirkin at alum.mit.edu> ---
If the suggested patch indeed fixes your issue, it would be expected that the
final 3.12 release would still exhibit problems, as that patch is not upstream.
Either pull the branch Emil pointed you at + build kernel, or pull
nouveau/master from fd.o, or apply the patch manually to (nearly) any tree.

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--- Comment #31 from Marc Collin <marccollin7379 at gmail.com> ---
it's not possible to get only the module to install?

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #88797|text/plain                  |image/jpeg
          mime type|                            |

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--- Comment #32 from Marc Collin <marccollin7379 at gmail.com> ---
i cloned kernel 3.12.0

i took this patch:
http://cgit.freedesktop.org/nouveau/linux-2.6/patch/?id=968a8d1b6c32c9f466f236032770b9165ece045a

so the file look like this one without email inside...:
http://pastebin.ca/2474649

patch -p1 < ../nouveau.patch 

patching file drivers/gpu/drm/nouveau/core/engine/device/nv04.c
Hunk #1 FAILED at 57.
Hunk #2 FAILED at 75.
2 out of 2 hunks FAILED -- saving rejects to file
drivers/gpu/drm/nouveau/core/engine/device/nv04.c.rej
patching file drivers/gpu/drm/nouveau/core/engine/device/nv10.c
Hunk #1 FAILED at 76.
Hunk #2 FAILED at 95.
Hunk #3 FAILED at 114.
Hunk #4 FAILED at 133.
Hunk #5 FAILED at 152.
Hunk #6 FAILED at 171.
Hunk #7 FAILED at 190.
7 out of 7 hunks FAILED -- saving rejects to file
drivers/gpu/drm/nouveau/core/engine/device/nv10.c.rej
patching file drivers/gpu/drm/nouveau/core/engine/device/nv20.c
Hunk #1 FAILED at 60.
Hunk #2 FAILED at 79.
Hunk #3 FAILED at 98.
Hunk #4 FAILED at 117.
4 out of 4 hunks FAILED -- saving rejects to file
drivers/gpu/drm/nouveau/core/engine/device/nv20.c.rej
patching file drivers/gpu/drm/nouveau/core/engine/device/nv30.c
Hunk #1 FAILED at 60.
Hunk #2 FAILED at 79.
Hunk #3 FAILED at 98.
Hunk #4 FAILED at 118.
Hunk #5 FAILED at 138.
5 out of 5 hunks FAILED -- saving rejects to file
drivers/gpu/drm/nouveau/core/engine/device/nv30.c.rej
patching file drivers/gpu/drm/nouveau/core/engine/device/nv40.c
Hunk #1 FAILED at 63.
Hunk #2 FAILED at 84.
Hunk #3 FAILED at 105.
Hunk #4 FAILED at 126.
Hunk #5 FAILED at 147.
Hunk #6 FAILED at 168.
Hunk #7 FAILED at 189.
Hunk #8 FAILED at 210.
Hunk #9 FAILED at 231.
Hunk #10 FAILED at 252.
Hunk #11 FAILED at 273.
Hunk #12 FAILED at 294.
Hunk #13 FAILED at 315.
Hunk #14 FAILED at 336.
Hunk #15 FAILED at 357.
Hunk #16 FAILED at 378.
16 out of 16 hunks FAILED -- saving rejects to file
drivers/gpu/drm/nouveau/core/engine/device/nv40.c.rej
patching file drivers/gpu/drm/nouveau/core/engine/device/nv50.c
Hunk #1 FAILED at 71.
Hunk #2 FAILED at 94.
Hunk #3 FAILED at 120.
Hunk #4 FAILED at 146.
Hunk #5 FAILED at 172.
Hunk #6 FAILED at 198.
Hunk #7 FAILED at 224.
Hunk #8 FAILED at 250.
Hunk #9 FAILED at 276.
Hunk #10 FAILED at 302.
Hunk #11 FAILED at 328.
Hunk #12 FAILED at 355.
Hunk #13 FAILED at 381.
Hunk #14 FAILED at 407.
14 out of 14 hunks FAILED -- saving rejects to file
drivers/gpu/drm/nouveau/core/engine/device/nv50.c.rej
patching file drivers/gpu/drm/nouveau/core/engine/device/nvc0.c
Hunk #1 FAILED at 73.
Hunk #2 FAILED at 102.
Hunk #3 FAILED at 131.
Hunk #4 FAILED at 159.
Hunk #5 FAILED at 188.
Hunk #6 FAILED at 217.
Hunk #7 FAILED at 245.
Hunk #8 FAILED at 274.
Hunk #9 FAILED at 302.
9 out of 9 hunks FAILED -- saving rejects to file
drivers/gpu/drm/nouveau/core/engine/device/nvc0.c.rej
patching file drivers/gpu/drm/nouveau/core/engine/device/nve0.c
Hunk #1 FAILED at 73.
Hunk #2 FAILED at 103.
Hunk #3 FAILED at 133.
Hunk #4 FAILED at 163.
Hunk #5 FAILED at 196.

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--- Comment #33 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to comment #32)
> i cloned kernel 3.12.0
> 
> i took this patch:
> http://cgit.freedesktop.org/nouveau/linux-2.6/patch/
> ?id=968a8d1b6c32c9f466f236032770b9165ece045a
> 
> so the file look like this one without email inside...:
> http://pastebin.ca/2474649
Perhaps take a moment to follow those links and see whether they look similar?
[hint, they don't]

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--- Comment #34 from Marc Collin <marccollin7379 at gmail.com> ---
remove email part.... now same thing

patching file drivers/gpu/drm/nouveau/core/engine/graph/ctxnvc1.c
patching file drivers/gpu/drm/nouveau/core/engine/graph/ctxnvd7.c
patching file drivers/gpu/drm/nouveau/core/engine/graph/ctxnvd9.c
patch unexpectedly ends in middle of line

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--- Comment #35 from Ilia Mirkin <imirkin at alum.mit.edu> ---
If you're unable to apply patches and clone repos, you'll be best served
by
waiting for 3.13-rc1, which should contain the patch in question.

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--- Comment #36 from Marc Collin <marccollin7379 at gmail.com> ---
good news, patch work fine

i can boot, do a suspend to ram, wake up the machine, all work fine.

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

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

--- Comment #37 from Ilia Mirkin <imirkin at alum.mit.edu> ---
I've recommended the patch in question for -stable, so it should be making
its
way to the next 3.11.x and 3.12.x releases.

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