Nouveau - Apr 2019 - [Bug 110500] New: X-Server crashes - GL error: GL_OUT_OF_MEMORY in glTexSubImage

https://bugs.freedesktop.org/show_bug.cgi?id=110500

            Bug ID: 110500
           Summary: X-Server crashes - GL error: GL_OUT_OF_MEMORY in
                    glTexSubImage
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: Drivers/DRI/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: wixbisce at guerrillamail.com
        QA Contact: nouveau at lists.freedesktop.org

I try to convert someone from Windows to Linux. I installed Kubuntu 18.04.2 .
Suddenly while using it the screen went black and afterwards i had the login
screen.

cat /var/log/Xorg.0.log.old

[  2309.613] (EE) glamor0: GL error: GL_OUT_OF_MEMORY in glTexSubImage
[  2309.613] (WW) glamor: Failed to allocate 455x25 FBO due to
GL_OUT_OF_MEMORY.
[  2309.613] (WW) glamor: Expect reduced performance.
[  2331.150] (EE) glamor0: GL error: GL_OUT_OF_MEMORY in glTexSubImage
[  2331.150] (EE) 
[  2331.150] (EE) Backtrace:
[  2331.151] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x139) [0x561f602bb459]
[  2331.151] (EE) 1: /lib/x86_64-linux-gnu/libpthread.so.0 (funlockfile+0x50)
[0x7fa3b600a8df]
[  2331.151] (EE) 2: /usr/lib/xorg/modules/libglamoregl.so
(glamor_get_pixmap_texture+0x7d) [0x7fa3b2a6155d]
[  2331.152] (EE) 3: /usr/lib/xorg/modules/libglamoregl.so
(glamor_create_gc+0x78f4) [0x7fa3b2a73644]
[  2331.152] (EE) 4: /usr/lib/xorg/modules/libglamoregl.so
(glamor_create_gc+0x7caf) [0x7fa3b2a73d6f]
[  2331.152] (EE) 5: /usr/lib/xorg/modules/libglamoregl.so
(glamor_create_gc+0x8668) [0x7fa3b2a74888]
[  2331.152] (EE) 6: /usr/lib/xorg/modules/libglamoregl.so
(glamor_create_gc+0xa26f) [0x7fa3b2a7807f]
[  2331.152] (EE) 7: /usr/lib/xorg/Xorg (DamageRegionAppend+0x6c6)
[0x561f6023e996]
[  2331.153] (EE) 8: /usr/lib/xorg/modules/libglamoregl.so
(glamor_create_gc+0x1110f) [0x7fa3b2a8645f]
[  2331.153] (EE) 9: /usr/lib/xorg/Xorg (AddTraps+0x423d) [0x561f602375ed]
[  2331.153] (EE) 10: /usr/lib/xorg/Xorg (SendErrorToClient+0x368)
[0x561f6015e498]
[  2331.153] (EE) 11: /usr/lib/xorg/Xorg (InitFonts+0x3c8) [0x561f60162478]
[  2331.154] (EE) 12: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xe7)
[0x7fa3b5c21b97]
[  2331.154] (EE) 13: /usr/lib/xorg/Xorg (_start+0x2a) [0x561f6014c13a]
[  2331.154] (EE) 
[  2331.154] (EE) Segmentation fault at address 0x0
[  2331.154] (EE) 
Fatal server error:
[  2331.154] (EE) Caught signal 11 (Segmentation fault). Server aborting


OS: Kubuntu 18.04.2 LTS release.
Hardware: 8GB RAM, Nvidia 9500 passive cooled GPU

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--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Please use xf86-video-nouveau, not modesetting.

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--- Comment #2 from wixbisce at guerrillamail.com <wixbisce at
guerrillamail.com> ---
The package
https://packages.ubuntu.com/bionic-updates/xserver-xorg-video-nouveau-hwe-18.04
is already installed by default.

I have a /usr/lib/xorg/modules/drivers/nouveau_drv.so file.

lsmod |grep nouveau
nouveau              1851392  21
video                  45056  1 nouveau
i2c_algo_bit           16384  1 nouveau
mxm_wmi                16384  1 nouveau
ttm                   110592  1 nouveau
drm_kms_helper        172032  1 nouveau
drm                   458752  11 drm_kms_helper,ttm,nouveau
wmi                    24576  2 mxm_wmi,nouveau


I dont know how to use something special. I just installed the OS and have the
issues i linked. I am using the LTS release for stability.

It crashed already few times.
It crashed few minutes again. Here the last log:

[  4869.797] (EE) glamor0: GL error: GL_OUT_OF_MEMORY in glTexSubImage
[  4869.797] (WW) glamor: Failed to allocate 455x1 FBO due to GL_OUT_OF_MEMORY.
[  4869.797] (WW) glamor: Expect reduced performance.
[  4869.798] (EE) 
[  4869.798] (EE) Backtrace:
[  4869.798] (EE) 0: /usr/lib/xorg/Xorg (OsLookupColor+0x139) [0x5630e630d459]
[  4869.798] (EE) 1: /lib/x86_64-linux-gnu/libpthread.so.0 (funlockfile+0x50)
[0x7fea4ef6a8df]
[  4869.798] (EE) 2: /usr/lib/xorg/modules/libglamoregl.so
(glamor_get_pixmap_texture+0x7d) [0x7fea4b9c155d]
[  4869.799] (EE) 3: /usr/lib/xorg/modules/libglamoregl.so
(glamor_create_gc+0x78f4) [0x7fea4b9d3644]
[  4869.799] (EE) 4: /usr/lib/xorg/modules/libglamoregl.so
(glamor_create_gc+0x7caf) [0x7fea4b9d3d6f]
[  4869.799] (EE) 5: /usr/lib/xorg/modules/libglamoregl.so
(glamor_create_gc+0x8668) [0x7fea4b9d4888]
[  4869.799] (EE) 6: /usr/lib/xorg/modules/libglamoregl.so
(glamor_create_gc+0xa26f) [0x7fea4b9d807f]
[  4869.799] (EE) 7: /usr/lib/xorg/Xorg (DamageRegionAppend+0x6c6)
[0x5630e6290996]
[  4869.800] (EE) 8: /usr/lib/xorg/modules/libglamoregl.so
(glamor_create_gc+0x1110f) [0x7fea4b9e645f]
[  4869.800] (EE) 9: /usr/lib/xorg/Xorg (AddTraps+0x423d) [0x5630e62895ed]
[  4869.800] (EE) 10: /usr/lib/xorg/Xorg (SendErrorToClient+0x368)
[0x5630e61b0498]
[  4869.800] (EE) 11: /usr/lib/xorg/Xorg (InitFonts+0x3c8) [0x5630e61b4478]
[  4869.800] (EE) 12: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xe7)
[0x7fea4eb81b97]
[  4869.800] (EE) 13: /usr/lib/xorg/Xorg (_start+0x2a) [0x5630e619e13a]
[  4869.800] (EE) 
[  4869.800] (EE) Segmentation fault at address 0x0
[  4869.800] (EE) 
Fatal server error:
[  4869.800] (EE) Caught signal 11 (Segmentation fault). Server aborting

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--- Comment #3 from Ilia Mirkin <imirkin at alum.mit.edu> ---
You might have it, but it's not being used. You probably see

modeset(0)

in your xorg logs (i.e. the "modesetting" driver) instead of

NOUVEAU(0)

which would imply it's using xf86-video-nouveau.

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Karol Herbst <karolherbst at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         QA Contact|nouveau at lists.freedesktop.o |xorg-team at lists.x.org
                   |rg                          |
          Component|Drivers/DRI/nouveau         |Driver/nouveau
            Version|unspecified                 |git
            Product|Mesa                        |xorg

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Karol Herbst <karolherbst at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Product|xorg                        |Mesa
          Component|Driver/nouveau              |Drivers/DRI/nouveau
         QA Contact|xorg-team at lists.x.org       |nouveau at
lists.freedesktop.o
                   |                            |rg

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--- Comment #4 from Karol Herbst <karolherbst at gmail.com> ---
meh.. I want to move that bug to glamor, but that doesn't work. In either
case,
glamor shouldn't crash just because it couldn't allocate some memory and
that
has to get fixed.

We can workaround that issue for the user, but others might run into the same.

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--- Comment #5 from wixbisce at guerrillamail.com <wixbisce at
guerrillamail.com> ---
Karol Herbst gave me this here to put into
/etc/X11/xorg.conf.d/20-nouveau.conf:

Section "Device"
        Identifier "NvidiaCard"
        Driver "nouveau"
        BusID "PCI:01:00:0" # PCI bus address of the Nvidia GPU here
EndSection

I had to create xorg.conf.d first. Afterwards i put the config file there
inside.

Now i also see in the xorg.log NOUVEAU(0). Lets hope the machine works fine
now.

I think this should be fixed so that normal user dont have to struggle around
with this. I think i am a more advanced user. The person i help here that would
like to switch to Linux told me now about 10 times that he would not have been
able to do that what i did (understand that its nouveau, report a bug, know
about IRC, join IRC, dmesg things, lsmod things, ...).

This is a machine with 8 CPU cores, support up to 32GB of RAM, ... It have been
updated few times. Its just for office usage. The GPU have 512MB of VRAM. I
have played good looking games on 128MB of VRAM.
The system should not crash in office mode (browsing the emails in a email
software, not browser).

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--- Comment #6 from Ilia Mirkin <imirkin at alum.mit.edu> ---
(In reply to wixbisce at guerrillamail.com from comment
#5)
> I think this should be fixed so that normal user dont have to struggle
> around with this.
Agreed. Your distro has made some sort of modification which causes modeset to
be preferred to nouveau. Feel free to inform them that this was a poor idea.

IMO, nouveau's GL implementation is a bad match for GLAMOR.

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--- Comment #7 from wixbisce at guerrillamail.com <wixbisce at
guerrillamail.com> ---
I talked with a developer. I get told, that when a driver provide a
functionality, that functionality should be working. They should be able to
rely on a normal, expected functionality.

For the note: Karol told me he would take a look into the memory issue because
he know that this is a driver issue


In the meantime i had the issue that suddenly the picture start flickering. It
then flicker whole time. The OS was unusable. The computer had to be restarted
to stop this flickering.
I looked around in the internet and this seems to be also a driver issue. 
This issue is also now the second time there. It appear when i start scrolling
up and down the https://bugzilla.freedesktop.org website with the Mozilla
Firefox browser. Should i open a second bugreport for this issue or is it
related? I cant find anything in dmesg or any other logfiles. The os is
flickering when opening windows, scrolling in the webbrowser, or any other
movement.

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--- Comment #8 from Jordan Belfort <jordanbelfort533 at gmail.com> ---
The mistake messages originate from _glamor_create_tex() which is called by
glamor_create_fbo(), and when this happens, pixmap_priv->fbo is set to NULL
since, well, the FBO couldn't be distributed.
http://www.domyassignmentforme.com/help-homework

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--- Comment #9 from Karol Herbst <karolherbst at gmail.com> ---
(In reply to wixbisce at guerrillamail.com from comment
#7)
> I talked with a developer. I get told, that when a driver provide a
> functionality, that functionality should be working. They should be able to
> rely on a normal, expected functionality.
> 
I don't see how that is a Nouveau issue except somebody shows otherwise.
Sure
Nouveau should be able to handle out of memory situations better, but the issue
here is, that glamor crashes. This is nothing Nouveau could prevent.

Anyway, ignoring that out of memory issue for now. It's not even proven that
the crash actually resulted from this out of memory error (even though it is
likely). Glamor tries to workaround it, but fails.

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--- Comment #10 from Karol Herbst <karolherbst at gmail.com> ---
anyway, there seem to be some glamor bugs filed against this already:
https://gitlab.freedesktop.org/xorg/xserver/issues?scope=all&utf8=%E2%9C%93&state=opened&search=OsLookupColor

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Karol Herbst <karolherbst at gmail.com> changed:

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

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--- Comment #11 from Karol Herbst <karolherbst at gmail.com> ---
If you don't think any of the glamor bugs fit, feel free to open a bug
against
glamor on gitlab.

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--- Comment #12 from Karol Herbst <karolherbst at gmail.com> ---
also testing with a more updated stack might help as 18.04 still only uses X
1.19 and this issue might have been fixed already...

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--- Comment #13 from Karol Herbst <karolherbst at gmail.com> ---
actually. this was tracked in this bug and is already fixed:
https://gitlab.freedesktop.org/xorg/xserver/issues/647

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--- Comment #14 from wixbisce at guerrillamail.com <wixbisce at
guerrillamail.com> ---
Thanks for the information. Now i try to understand what software version i
have to use to be able to use this fix so that the system stops crashing.

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--- Comment #15 from Juddy Piterson <pitersonjuddy09 at gmail.com> ---
If you jot a note down on paper, save it and use the rest of the sheet for your
notes. American business waste 21 million tonnes of paper per annum! Ideally,
try to have your business as paperless as possible
https://essaywritingstore.com/writing-movie-critique . When it is absolutely
necessary, print on both sides of the page. And don’t forget to recycle it!

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Amy Jones <jonesamy411 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|git                         |11.1
                URL|                            |http://essays-writers.net/w
                   |                            |rite-my-book-review.html
          Component|Drivers/DRI/nouveau         |Drivers/DRI/v3d
           Assignee|nouveau at lists.freedesktop.o |eric at anholt.net
                   |rg                          |
         QA Contact|nouveau at lists.freedesktop.o |
                   |rg                          |

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