Nouveau - Aug 2011 - [Bug 40406] New: Nouveau NVIDIA NV46: Freeze

https://bugs.freedesktop.org/show_bug.cgi?id=40406

           Summary: Nouveau NVIDIA NV46: Freeze
           Product: xorg
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: marco at lusi.uni-sb.de
         QAContact: xorg-team at lists.x.org


Created an attachment (id=50594)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50594)
system information

Hi.

As already mentioned in Bug 40336, I see sporadic freezes of my computer. So
far, it happened while using mplayer2, kde konsole, and emacs. Kde desktop
effects are deactivated.

Course of events:
At first, I notice kind of a "delay"/unresponsiveness of the system.
The mouse
works but some programs don't. Mostly, I can still use the SysRq keys.
Usually,
the result of a SysRq-Kill All Tasks is a frozen system.

Fortunately, today, I still had a screen and I could take pictures, but no log
files. Maybe it is enough information to get a rough idea of the problem. The
system freeze happened after I tried to log in and save the log files. ;)

I use:
* GeForce Go 7300
* Linux samson 3.0.3-gentoo #1 SMP Thu Aug 25 08:49:17 IDT 2011 i686 Intel(R)
Core(TM)2 CPU T5600 @ 1.83GHz GenuineIntel GNU/Linux
* mesa-7.11, libdrm-2.4.26, and xf86-video-nouveau-0.0.16_pre20110801,
xorg-server-1.10.2
* suspend2ram

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Marco <marco at lusi.uni-sb.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #50594|application/octet-stream    |text/plain
          mime type|                            |

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--- Comment #1 from Marco <marco at lusi.uni-sb.de> 2011-08-26 13:37:25
PDT ---
Created an attachment (id=50595)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50595)
glxinfo output

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--- Comment #2 from Marco <marco at lusi.uni-sb.de> 2011-08-26 13:37:52
PDT ---
Created an attachment (id=50596)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50596)
lspci

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--- Comment #3 from Marco <marco at lusi.uni-sb.de> 2011-08-26 13:38:24
PDT ---
Created an attachment (id=50597)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50597)
Xorg.log

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--- Comment #4 from Marco <marco at lusi.uni-sb.de> 2011-08-26 13:38:52
PDT ---
Created an attachment (id=50598)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50598)
dmesg after reboot

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--- Comment #5 from Marco <marco at lusi.uni-sb.de> 2011-08-26 13:41:48
PDT ---
Created an attachment (id=50599)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50599)
screenshot

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--- Comment #6 from Marco <marco at lusi.uni-sb.de> 2011-09-08 13:01:04
PDT ---
While I watched a movie (mplayer) today, the same(?) problem resulted in a
kernel oops. This time, the syslog daemon was able to write the data to the
harddisk. I attached the syslog file.

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--- Comment #7 from Marco <marco at lusi.uni-sb.de> 2011-09-08 13:01:41
PDT ---
Created an attachment (id=50990)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50990)
syslog file after crash

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Marcin Slusarz <marcin.slusarz at gmail.com> changed:

           What    |Removed                     |Added
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  Attachment #50598|application/octet-stream    |text/plain
          mime type|                            |

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Marcin Slusarz <marcin.slusarz at gmail.com> changed:

           What    |Removed                     |Added
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  Attachment #50596|application/octet-stream    |text/plain
          mime type|                            |

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--- Comment #8 from Emil Velikov <emil.l.velikov at gmail.com> 2011-09-22
13:52:27 PDT ---
Hi Marco

The slowness issue appears to be X related - most likely "[mi] EQ
overflowing.
The server is probably stuck in an infinite loop."

If/when it happens try to sync and reboot the system (sysrq) and attach xorg
and dmesg logs

But before that I would recommend you to move/remove nouveau_dri.so as 3d is
currently not supported on your card [1]

Whereas for the kernel oops stored in your log it does not appear to be nouveau
related. On the contrary nouveau "locked up" due to it

Cheers
Emil

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

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--- Comment #9 from Marco <marco at lusi.uni-sb.de> 2011-09-28 08:08:33
PDT ---
Hi Emil,

thanks for your reply.

Actually, it try that every time, but a SYSRQ-SYNC locks the system completely.
The syslog file was the only file I could save on harddisk so far.

And thanks for the hint. I didn't realize that NV30-NV40 indicates the
families
and not the code names.

I am just asking, because I haven't found information about the why: why
should
I not file bug reports? Because the cards are too old and you gave up
fixing/improving the nvfx driver? Because you are working on it?

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--- Comment #10 from Emil Velikov <emil.l.velikov at gmail.com> 2011-09-28
12:52:05 PDT ---
(In reply to comment #9)
> Hi Emil,
> 
> thanks for your reply.
> 
> Actually, it try that every time, but a SYSRQ-SYNC locks the system
completely.
> The syslog file was the only file I could save on harddisk so far.
Now that sounds unusual, any chance of a serial console?
> 
> And thanks for the hint. I didn't realize that NV30-NV40 indicates the
families
> and not the code names.
> 
> I am just asking, because I haven't found information about the why:
why should
> I not file bug reports? Because the cards are too old and you gave up
> fixing/improving the nvfx driver? Because you are working on it?
A number of people have worked on the 3d/mesa/gallum driver for nv30/40

The latest person Luca Barbieri (lb1) did quite an impressive/substantial work
but vanished after that.
Since then no one has stepped in to develop/bugfix (with some exceptions) that
code, thus the lack of support

Sorry

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--- Comment #11 from Marco <marco at lusi.uni-sb.de> 2011-09-29 01:59:55
PDT ---
Ok, I removed nouveau_dri.so. Unfortunately, it didn't help. I know that
probability theory can be tricky. :) But the system lock occurred three times
within a period of 24 hours, whereas the past frequency was approximately once
a week. One could conclude that removing nouveau_dri.so made it worse.

Here is a short log of uptimes that were affected by this bug.
0 days, 01:49:19  | Linux 3.0.4-gentoo        Thu Sep 29 09:59:24 2011
(running)
9 days, 14:39:05  | Linux 3.0.3-gentoo        Thu Sep  8 22:38:29 2011
11 days, 08:28:40 | Linux 3.0.3-gentoo        Fri Aug 26 22:53:11 2011
6 days, 14:00:20  | Linux 3.0.1-gentoo        Mon Aug 15 19:39:40 2011

Thus, I moved nouveau_dri.so to /usr/lib/mesa again.

This bug is not that bad since I am still be able to work. But I am a little
bit concerned about data loss after a crash.
> Now that sounds unusual, any chance of a serial console?
No, unfortunately not. I work abroad at the moment and I just have this laptop
without additional equipment. I might check it, when I'll be back home in
January, though. ;)

Is there anything else I can do?
I tried to save Xorg.log after a crash. I am not 100% sure if the log file is
complete, but I attached it nevertheless. I can't see anything unusual.
> A number of people have worked on the 3d/mesa/gallum driver for nv30/40
> 
> The latest person Luca Barbieri (lb1) did quite an impressive/substantial
work
> but vanished after that.
> Since then no one has stepped in to develop/bugfix (with some exceptions)
that
> code, thus the lack of support
No problem. I have no experience in writing drivers. I guess, I am of little
help here. But the drivers are very impressive. Thanks anyway.

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--- Comment #12 from Marco <marco at lusi.uni-sb.de> 2011-09-29 02:05:58
PDT ---
Damn, I can't find the log file. It seems, I copied messages instead of
Xorg.log. Sorry. But the last few lines are always the same:

[ 78793.917] (II) Power Button: Close
[ 78793.917] (II) UnloadModule: "evdev"
[ 78793.917] (II) Unloading evdev
[ 78793.949] (II) Sleep Button: Close
[ 78793.949] (II) UnloadModule: "evdev"
[ 78793.949] (II) Unloading evdev
[ 78793.977] (II) AT Translated Set 2 keyboard: Close
[ 78793.977] (II) UnloadModule: "evdev"
[ 78793.977] (II) Unloading evdev
[ 78794.426] (II) UnloadModule: "synaptics"
[ 78794.426] (II) Unloading synaptics
[ 78794.451] (II) Logitech USB-PS/2 Optical Mouse: Close
[ 78794.451] (II) UnloadModule: "evdev"
[ 78794.451] (II) Unloading evdev
[ 78796.215] (II) NOUVEAU(0): NVLeaveVT is called.
[ 78796.216] (II) NOUVEAU(0): Closed GPU channel 1

I used SYSRESQ-R/S/R/E/I/S/U/B

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--- Comment #13 from Marco <marco at lusi.uni-sb.de> 2011-10-01 08:11:40
PDT ---
Ok, now, it gets weird.

I upgraded xorg-server a few days ago:
Thu Sep 29 10:14:50 2011 >>> x11-base/xorg-drivers-1.11
Thu Sep 29 10:21:09 2011 >>> x11-base/xorg-server-1.11.0
Thu Sep 29 10:25:48 2011 >>> x11-drivers/xf86-input-synaptics-1.4.0
Thu Sep 29 10:26:14 2011 >>> x11-drivers/xf86-input-evdev-2.6.0
Thu Sep 29 10:27:10 2011 >>> x11-drivers/xf86-video-nouveau
0.0.16_pre20110801

The result is a completely new behaviour. Instead of a beginning sluggishness
of the system and a system lock after SYSRQ, I got an immediate system freeze.
My music stopped working, no X, no mouse, no keyboard, no log files. Just a
screenshot (attached).

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--- Comment #14 from Marco <marco at lusi.uni-sb.de> 2011-10-01 08:15:59
PDT ---
Created an attachment (id=51850)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51850)
system freeze xorg-server-1.11.0

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--- Comment #15 from Emil Velikov <emil.l.velikov at gmail.com> 2011-10-01
10:24:07 PDT ---
Now that is nice :P

There are a couple of things
1. Is there is reliable way of reproducing the lock
2. Can you try without mesa/gallium/(nouveau_dri.so) and provide some logs

Initially it would be great to try and resolve/narrow down the "GRAPH
ERROR(s)"

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--- Comment #16 from Marco <marco at lusi.uni-sb.de> 2011-10-01 10:43:31
PDT ---
(In reply to comment #15)
> Now that is nice :P
I like surprises. ;)
> There are a couple of things
I really appreciate your help. Thanks.
> 1. Is there is reliable way of reproducing the lock
No. At the beginning, I thought that mplayer2 triggers the bug. It also happens
when I am using chromium. Once, it happened when I was typing in a terminal.
But this is a nice excuse to watch movies with mplayer instead of working. ;) I
will try my best. ;)
> 2. Can you try without mesa/gallium/(nouveau_dri.so) and provide some logs
Could you be a little bit more precise here? Just removing nouveau_dri.so and
using nouveau? And do you only need dmesg/messages/Xorg.log?

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--- Comment #17 from Emil Velikov <emil.l.velikov at gmail.com> 2011-10-01
11:15:25 PDT ---
(In reply to comment #16)
> (In reply to comment #15)
> > 2. Can you try without mesa/gallium/(nouveau_dri.so) and provide some
logs
> Could you be a little bit more precise here? Just removing nouveau_dri.so
and
> using nouveau? And do you only need dmesg/messages/Xorg.log?
The idea is to narrow down who is causing this errors - X or GL

* Move/remove the gallium driver (nouveau_dri.so) and make sure that you have
swrast_dri.so in the same directory
* Try and reproduce the issue
* Append dmesg/messages or a picture

Thanks

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--- Comment #18 from Marco <marco at lusi.uni-sb.de> 2011-10-04 01:11:00
PDT ---
Ok, I haven't experienced any crashes since I switched to sw_rast. But I
noticed syslog messages after suspend2ram which might be connected to this
problem (cf. line no 280). What do you say?

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--- Comment #19 from Marco <marco at lusi.uni-sb.de> 2011-10-04 01:11:55
PDT ---
Created an attachment (id=51917)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51917)
syslog file after suspend2ram

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--- Comment #20 from Marco <marco at lusi.uni-sb.de> 2011-10-04 01:12:32
PDT ---
Created an attachment (id=51918)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51918)
Xorg.log after suspend2ram

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Marco <marco at lusi.uni-sb.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #51917|application/octet-stream    |text/plain
          mime type|                            |

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Marco <marco at lusi.uni-sb.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #51918|application/octet-stream    |text/plain
          mime type|                            |

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--- Comment #21 from Marco <marco at lusi.uni-sb.de> 2011-10-04 01:32:02
PDT ---
Ok, 5min after I sent the last reply, I encountered the problem again. Black
screen, no mouse, no logs, even no blinking wifi light.

It might be necessary to downgrade xorg-server from 1.11.0 to 1.10.4.

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--- Comment #22 from Marco <marco at lusi.uni-sb.de> 2011-10-04 03:41:44
PDT ---
As an aside: the same messages appear after a suspend2disk.

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--- Comment #23 from Marco <marco at lusi.uni-sb.de> 2011-10-09 13:12:26
PDT ---
Ok, fortunately (after downgrading Xorg server), I was able to save log files
after a crash. But I am afraid that the crash was not as bad as in the past
because a hard reboot was not necessary and the screen was visible again after
I killed all tasks (SYSRQ-E). Nevertheless, I attached syslog, Xorg.log, and
dmesg.

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--- Comment #24 from Marco <marco at lusi.uni-sb.de> 2011-10-09 13:14:00
PDT ---
Created an attachment (id=52154)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=52154)
dmesg shortly after black screen

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--- Comment #25 from Marco <marco at lusi.uni-sb.de> 2011-10-09 13:14:49
PDT ---
Created an attachment (id=52155)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=52155)
syslog file (without cron job entries) shortly after black screen

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--- Comment #26 from Marco <marco at lusi.uni-sb.de> 2011-10-09 13:15:58
PDT ---
Created an attachment (id=52156)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=52156)
Xorg.log shortly after black screen

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Marco <marco at lusi.uni-sb.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #52155|application/octet-stream    |text/plain
          mime type|                            |

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--- Comment #27 from Marco <marco at lusi.uni-sb.de> 2011-10-11 05:24:41
PDT ---
Since I switched to sw_rast, I have crashes on a daily basis. It is very
annoying. Do you see a chance to find the problem now? I attached a new
screenshot&syslog file (again, no information in Xorg.log).

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--- Comment #28 from Marco <marco at lusi.uni-sb.de> 2011-10-11 05:25:30
PDT ---
Created an attachment (id=52209)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=52209)
screen after crash

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--- Comment #29 from Marco <marco at lusi.uni-sb.de> 2011-10-11 05:26:20
PDT ---
Created an attachment (id=52210)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=52210)
syslog file (without pam messages)

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--- Comment #30 from Marcin Slusarz <marcin.slusarz at gmail.com>
2011-10-11 08:56:57 PDT ---
Created an attachment (id=52218)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=52218)
oops in iput

The oops seems to be unrelated to nouveau. I think it has something to do with
use of 32-bit kernel and HIGHMEM - please report it to bugzilla.kernel.org or
LKML.

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Jeremy Huddleston <jeremyhu at freedesktop.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|xorg                        |Mesa
            Version|unspecified                 |7.11
          Component|Driver/nouveau              |Drivers/DRI/nouveau
          QAContact|xorg-team at lists.x.org       |

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--- Comment #31 from Marco <marco at lusi.uni-sb.de> 2011-10-12 00:38:39
PDT ---
(In reply to comment #30)
> The oops seems to be unrelated to nouveau. I think it has something to do
with
> use of 32-bit kernel and HIGHMEM - please report it to bugzilla.kernel.org
or
> LKML.
Ok. I am going to wait for 3.1 vanilla and try that first. If the bug resists,
I will report it. Or I might temporarily switch to the nvidia driver.

But I am not 100% convinced that it is unrelated to nouveau. I am aware that
the following points can also be an indicator for a bug of the kernel, but
nevertheless, I want to summarize:

a) I receive lots of messages like

Oct  3 16:42:12 localhost kernel: [147178.508173] [drm] nouveau 0000:01:00.0:
PGRAPH - ERROR nsource: ILLEGAL_MTHD nstatus: PROTECTION_FAULT
Oct  3 16:42:12 localhost kernel: [147178.508185] [drm] nouveau 0000:01:00.0:
PGRAPH - ch 0 (0x000c3000) subc 3 class 0x0039 mthd 0x0bf8 data 0x00100008

after suspend2ram/suspend2disk. So far, the kernel oops only occurred after
these messages.

b) Not every black screen led to a kernel oops. Sometimes, I can restart my
computer without seeing what I am typing.

c) The kernel oops is not always the same. 2 examples:
IP: [<c10c828e>] shrink_icache_memory+0x1bd/0x236
IP: [<c10c5006>] iput+0x32/0x106

d) The Xorg server and the dri driver strongly influence the behavior.

e) I haven't seen this bug before I started using nouveau.

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https://bugs.freedesktop.org/show_bug.cgi?id=40406

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

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

--- Comment #32 from Ilia Mirkin <imirkin at alum.mit.edu> ---
It appears that this bug report has laid dormant for quite a while. Sorry we
haven't gotten to it. Since we fix bugs all the time, chances are pretty
good
that your issue has been fixed with the latest software. Please give it a shot.
(Linux kernel 3.10.7, xf86-video-nouveau 1.0.9, mesa 9.1.6, or their git
versions.) If upgrading to the latest isn't an option for you, your
distro's
bugzilla is probably the right destination for your bug report.

In an effort to clean up our bug list, we're pre-emptively closing all bugs
that haven't seen updates since 2011. If the original issue remains, please
make sure to provide fresh info, see http://nouveau.freedesktop.org/wiki/Bugs/
for what we need to see, and re-open this one.

Thanks,

The Nouveau Team

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