[Bug 27211] New: endless PROTECTION_FAULT logs, Nouveau drm, TNT card

[Bug 27211] New: endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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http://bugs.freedesktop.org/show_bug.cgi?id=27211

           Summary: endless PROTECTION_FAULT logs, Nouveau drm, TNT card
           Product: DRI
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/other
        AssignedTo: dri-devel@lists.sourceforge.net
        ReportedBy: bzipitidoo@hotmail.com


Created an attachment (id=34263)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=34263)
/var/log/messages.log

I put Arch Linux on a Pentium II with a Diamond Viper V550 card (Riva TNT).  If
I use the VESA driver, it works fine.  But if I use Nouveau, the boot sequence
never finishes.  After the udev message, the screen goes blank and I hear
endless disk activity.  Thousands of these messages were being logged:

Mar 17 07:39:33 talc kernel: [drm] nouveau 0000:01:00.0: PGRAPH_NOTIFY -
nSource: PATCH_EXCEPTION, nStatus: INVALID_STATE PROTECTION_FAULT
Mar 17 07:39:33 talc kernel: [drm] nouveau 0000:01:00.0: PGRAPH_NOTIFY - Ch 0/3
Class 0x004a Mthd 0x0c18 Data 0x00000720:0x00000000

Relevant packages:
[root@talc log]# pacman -Qs kernel26
local/kernel26 2.6.32.10-1 (base)
    The Linux Kernel and modules
local/kernel26-firmware 2.6.32.10-1 (base)
    The included firmware files of the Linux Kernel
[root@talc log]# pacman -Qs nouveau
local/nouveau-drm 0.0.15_20100212-1
    nvidia opensource X driver
local/xf86-video-nouveau 0.0.15_git20100221-1
    Open Source 3D acceleration driver for nVidia cards (experimental)


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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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http://bugs.freedesktop.org/show_bug.cgi?id=27211


Marcin Kościelnicki <koriakin@0x04.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |ASSIGNED




--- Comment #1 from Marcin Kościelnicki <koriakin@0x04.net>  2010-03-20 12:42:01 PST ---
Sigh. I know that one.

The issue here is that you're using the original NV04, which doesn't
implement some setup methods in hardware on the 2d objects, and we
need to write emulation for them.

I'll tackle that soon, in the meantime you can use "noaccel=1" to work
around the problem...


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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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http://bugs.freedesktop.org/show_bug.cgi?id=27211





--- Comment #2 from Brent <bzipitidoo@hotmail.com>  2010-03-20 19:58:16 PST ---
I tried "noaccel=1" and just "noaccel" on the kernel boot parameters in
/boot/grub/menu.lst.  Didn't help.  X is still using VESA drivers, and when I
try to switch to a text screen with ctrl-alt-F1, I get a blank screen, and
those messages continuously logged until I switch back with ctrl-alt-F7.

But thanks for saying it'll be worked on, rather than saying something like
"oh, we decided we're not going to support NV04 after all."  I'll keep an eye
out for updates, and try them when I see them.

I am currently working around the problem by having "MODULES=(!drm)" in
/etc/rc.conf, and using VESA drivers of course.


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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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http://bugs.freedesktop.org/show_bug.cgi?id=27211





--- Comment #3 from Marcin Kościelnicki <koriakin@0x04.net>  2010-03-21 01:48:30 PST ---
It has to be "nouveau.noaccel=1" if passed on main kernel line.


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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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http://bugs.freedesktop.org/show_bug.cgi?id=27211





--- Comment #4 from Pekka Paalanen <pq@iki.fi>  2010-03-21 01:59:21 PST ---
The noaccel parameter is a Nouveau module parameter, so either pass it to the
nouveau module on load (modprobe.conf), or if nouveau is built-in,
nouveau.noaccel=1 on kernel command line.

Your X uses the Vesa driver? That will screw up the card, if Nouveau is loaded.
Either use Nouveau DRM with Nouveau DDX, or no Nouveau at all with Vesa DDX.


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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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--- Comment #5 from Brent <bzipitidoo@hotmail.com>  2010-03-22 17:40:00 PST ---
Thank you for that clarification.  To /etc/modprobe.d/modprobe.conf, I added
this line:

options nouveau noaccel=1

And now I can use the Nouveau driver.  Both the text screen and the graphics
screen work.  Also had to make a config file for X to stop it from defaulting
to vesa, with "xorg --config".  I have HAL running, and seems without any
config file, X tries for the nv driver first, then fbdev, then vesa.  X is now
using Nouveau.

A clarification of my original report.  The computer did finish booting up.  I
just couldn't tell because the text screen was blank, the disk never quit
spinning, and I was still setting up the system and hadn't yet switched to
runlevel 5.  So long as it was trying to display the text screen, those errors
were being logged.


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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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https://bugs.freedesktop.org/show_bug.cgi?id=27211

--- Comment #6 from Marcin Kościelnicki <koriakin@0x04.net> 2010-04-11 11:19:03 PDT ---
Could you try with
http://0x04.net/~mwk/0002-drm-nv04-Implement-missing-nv04-PGRAPH-methods-in-so.patch
and without the noaccel option?

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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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https://bugs.freedesktop.org/show_bug.cgi?id=27211

--- Comment #7 from Brent <bzipitidoo@hotmail.com> 2010-05-11 23:35:47 PDT ---
Tried the above patch against the stock 2.6.33.3 kernel, with acceleration
turned on, and got  "(EE) [drm] failed to open device" in Xorg.0.log.  But it
did give me a 80x50 text console, so it seems the framebuffer works.  And it is
no longer filling the logs with error messages.  So that's something.

>From what I read, nouveau and drm are very touchy about matching versions.  I
started with the kernel configuration for Arch Linux, but ended up removing
many modules as otherwise that 350 MHz Pentium II needed 6 hours to compile.  I
updated the system before I tried the patch.  These are the current versions
for Arch Linux:

nouveau-drm 0.0.16_20100313-2
xf86-video-nouveau 0.0.15_git20100314-1
kernel26 2.6.33.3-2


Here is the tail of Xorg.0.log:

(II) Module nouveau: vendor="X.Org Foundation"
        compiled for 1.7.5.902, module version = 0.0.15
        Module class: X.Org Video Driver
        ABI class: X.Org Video Driver, version 6.0
(II) NOUVEAU driver 
(II) NOUVEAU driver for NVIDIA chipset families :
        RIVA TNT    (NV04)
        RIVA TNT2   (NV05)
        GeForce 256 (NV10)
        GeForce 2   (NV11, NV15)
        GeForce 4MX (NV17, NV18)
        GeForce 3   (NV20)
        GeForce 4Ti (NV25, NV28)
        GeForce FX  (NV3x)
        GeForce 6   (NV4x)
        GeForce 7   (G7x)
        GeForce 8   (G8x)
(II) Primary Device is: PCI 01@00:00:0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 7, (OK)
drmOpenByBusid: Searching for BusID pci:0000:01:00.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 7, (OK)
drmOpenByBusid: drmOpenMinor returns 7
drmOpenByBusid: drmGetBusid reports pci:0000:01:00.0
(EE) [drm] failed to open device
(EE) No devices detected.

Fatal server error:
no screens found

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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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--- Comment #8 from Xavier <shiningxc@gmail.com> 2010-05-12 02:45:17 PDT ---
I am not sure I understood, but if you built a custom kernel, you need to
rebuild the external modules for your custom kernel :
nouveau-drm 0.0.16_20100313-2
Because this package only provides modules built for Arch kernel. Check list of
installed files with pacman -Ql nouveau-drm.

It's also in nouveau-drm (external modules) that you need to apply the patch.
Did you apply the patch to a 2.6.33 kernel, and were trying to use the nouveau
module shipped with the kernel ? If so, that will give you abi 0.0.15. So you
also need to downgrade both libdrm and xf86-video-nouveau to the previous
version to match the abi.

Imo the simplest way is to just follow the instructions here to fetch the
kernel from git, then apply mwk patch with git am, then build&install&enjoy :
http://nouveau.freedesktop.org/wiki/InstallDRM

If you insist on using a package, you could try :
http://aur.archlinux.org/packages.php?ID=30158

By getting it from git, you will have nouveau 0.0.16 which will work with your
current libdrm and xf86-video-nouveau.

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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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--- Comment #9 from Brent <bzipitidoo@hotmail.com> 2010-05-12 14:59:26 PDT ---
Created an attachment (id=35601)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35601)
Xorg log (1.7.6-3, 0.0.15_git20100314-1, 2.4.19-2, 2.6.34-rc5)

xorg-server 1.7.6-3
xf86-video-nouveau 0.0.15_git20100314-1
libdrm 2.4.19-2
kernel 2.6.34-rc5

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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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--- Comment #10 from Brent <bzipitidoo@hotmail.com> 2010-05-12 15:01:37 PDT ---
I built a custom kernel with the source of 2.6.33.3 from kernel.org, not from
an Arch Linux package.  I patched it with the above mwk patch.  That resulted
in the error I gave in the previous comment.  

I am not clear on what all parts of Nouveau are what.  The nouveau-drm package
seems to be only kernel modules.  When I built my custom kernel, I made sure it
had its own Nouveau modules.  I am not sure what is in libdrm
(/usr/lib/libdrm_nouveau.so), but Pacman reports a version number of 2.4.19-2. 
>From what I read, the version of Nouveau in 2.6.33.3 is too old to work with
versions of libdrm from 2.4.18 on.  I suppose this means that the Arch Linux
people must have patched their version of Linux kernel 2.6.33.3, otherwise it
should not have worked with that version of libdrm?  Finally, there is the
xf86-video-nouveau package, which now is version 0.0.15_git20100314-1.

This time, I cloned the git repository of the Nouveau sources with this
command:
"git clone --depth 1 git://anongit.freedesktop.org/nouveau/linux-2.6", which
turned out to be version 2.6.34-rc5 of the Linux kernel.  The patch utility
refused to apply the mwk patch, as they were already there.  So I tried that
kernel as is, and this time X segfaulted, dropping the computer back to the
80x50 text screen.  Should I build different versions of libdrm, or
xf86-video-nouveau?

Attached is the Xorg.0.log resulting from this combination of Nouveau kernel
2.6.34-rc5, libdrm 2.4.19-2, and xf86-video-nouveau 0.0.15_git20100314-1.

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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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--- Comment #11 from Xavier <shiningxc@gmail.com> 2010-05-13 02:10:38 PDT ---
AFAIK, your last combination is fine and is what I wanted you to try.
Can you also paste a full kernel log with that ?

I am afraid that very few people use nouveau on a tnt card, so it's much less
likely to work than anything newer (even the first geforce cards).

I doubt updating libdrm and xf86-video-nouveau would fix your problem. But this
should at least have the benefit to provide debug symbols and not strip them,
which could provide a better segfault trace.
Instructions are there : http://nouveau.freedesktop.org/wiki/InstallNouveau

(btw Arch Linux doesn't patch the kernel. As you noticed yourself, they ship a
nouveau-drm package with external modules, which can be more recent than what
the kernel version provides).

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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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Brent <bzipitidoo@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #34263|0                           |1
        is obsolete|                            |

--- Comment #12 from Brent <bzipitidoo@hotmail.com> 2010-05-13 09:51:11 PDT ---
Created an attachment (id=35628)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35628)
messages.log

3 boots in this log:

Arch Linux kernel 2.6.33.3, noaccel
Nouveau Linux kernel 2.6.34-rc5, noaccel
Nouveau Linux kernel 2.6.34-rc5, accel

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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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--- Comment #13 from Brent <bzipitidoo@hotmail.com> 2010-05-13 12:56:48 PDT ---
Created an attachment (id=35639)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35639)
Xorg log (1.7.6-3, 0.0.16, 2.4.20, 2.6.34-rc5)

Tried again, this time with the latest source code packages, obtained with git
from Freedesktop.org according to the instructions given above.  (Was painful
trying to figure out all the packages that were needed.  Here is the list: 
autoconf, automake, libtools, pkgconfig, pth, git, xf86driproto,
dri2proto, xorg-util-macros.  And need libpthread-stubs from x.org)

So with kernel 2.6.34-rc5, libdrm 2.4.20, and xf86-video-nouveau 0.0.16, it
worked!  For about 15 minutes, and then X crashed :(.  Here are some logs.

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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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Brent <bzipitidoo@hotmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #35639|0                           |1
        is obsolete|                            |

--- Comment #14 from Brent <bzipitidoo@hotmail.com> 2010-05-13 13:01:29 PDT ---
Created an attachment (id=35640)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35640)
Xorg log (1.7.6-3, 0.0.16, 2.4.20, 2.6.34-rc5)

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[Bug 27211] endless PROTECTION_FAULT logs, Nouveau drm, TNT card

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--- Comment #15 from Brent <bzipitidoo@hotmail.com> 2010-05-13 13:07:23 PDT ---
Created an attachment (id=35641)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=35641)
kernel log spam

Spam generated by adding "options drm debug=1" to /etc/modprobe.d/modprobe.conf

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Marcin Kościelnicki <koriakin@0x04.net> changed:

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

--- Comment #16 from Marcin Kościelnicki <koriakin@0x04.net> 2010-05-13 13:28:57 PDT ---
The original bug is fixed already, please open a new one if you're seeing other
problems.

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--- Comment #17 from Mauro Molinari <mauromol@tiscali.it> ---
Hi Marcin,
I have a Creative Labs Graphics Blaster Riva TNT and I encountered this problem
on both Debian Squeeze (with 2.6.32 kernel) and Linux Mint 12 LXDE (with 3.0
kernel). Symptom: during boot, the screen goes blank (some garbage shown) and
the boot process does not terminate. dmesg shows an endless list of
"PGRAPH_NOTIFY - nSource: PATCH_EXCEPTION, nStatus: INVALID_STATE
PROTECTION_FAULT" errors.

To fix the problem I was using the "nomodeset" kernel booting parameter, then I
found this bug report and I ended up with "nouveau.noaccel=1" which at least
gives me a high definition console.

As far as I understand it correctly, now the problem is solved (i.e.: no need
for nouveau.noaccel=1 anymore), but which kernel version does carry the fixed
nouveau driver?

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