Nouveau - Mar 2018 - [Bug 105813] New: GT710 locks up X and spams logs

https://bugs.freedesktop.org/show_bug.cgi?id=105813

            Bug ID: 105813
           Summary: GT710 locks up X and spams logs
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau at lists.freedesktop.org
          Reporter: zarniwhoop at ntlworld.com
        QA Contact: xorg-team at lists.x.org

I recently bought a low-end Ryzen and needed a basic video card with a vga
connector, so I bought a GT710 (GK208B). The system is intended to be used for
compiling/measuring builds from source, but it is almost unusable in X because
of video errors which cause the desktop to lockup (no mouse clicks or keyboard,
MagicSysRQ works).

Packages: linux-4.15.12, gcc-7.3.0, glibc-2.27, mesa-17.3.7,
xorg-server-1.19.6, nouveau-1.0.15.

So far this bug has bitten me twice. The first time I had built xorg and was
running fluxbox while I built the rest of my desktop. I had 4 or 5 urxvt terms
open across two desktops, nothing else, running a compile in one. I had been
reading mail on the second desktop, then tried to go back to the first to check
progress.

After waiting a little I rebooted.  The system log had what I thought was a lot
of output (about 50000 lines, I think), starting
Mar 28 16:39:00 origin kernel: [41644.858087] nouveau 0000:26:00.0: fifo:
FB_FLUSH_TIMEOUT
Mar 28 16:40:02 origin kernel: [41707.692180] nouveau 0000:26:00.0: fifo:
FB_FLUSH_TIMEOUT
Mar 28 16:40:02 origin kernel: [41707.692215] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000001
Mar 28 16:40:02 origin kernel: [41707.692264] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000003
Mar 28 16:40:16 origin kernel: [41720.825498] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 28 16:40:16 origin kernel: [41720.825502] nouveau 0000:26:00.0: fifo:
FB_FLUSH_TIMEOUT
Mar 28 16:40:16 origin kernel: [41720.826544] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 28 16:40:16 origin kernel: [41720.827590] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 28 16:40:16 origin kernel: [41720.828639] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002

(similar CHSW ERROR messages after that).

Because of the other problem, which I will post after this, I then tried using
hte modesetting driver in Xorg. But I got a similar, bigger, report (left it
trying to compile, came back to find an xscreensaver screen, when I rebooted I
had almost 1.3 million lines in the log:
Mar 29 22:06:59 origin kernel: [ 2732.695254] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 29 22:06:59 origin kernel: [ 2732.695259] nouveau 0000:26:00.0: fifo:
FB_FLUSH_TIMEOUT
Mar 29 22:06:59 origin kernel: [ 2732.696296] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 29 22:06:59 origin kernel: [ 2732.697342] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 29 22:06:59 origin kernel: [ 2732.698390] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
...
Mar 29 22:29:40 origin kernel: [ 4093.784821] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 29 22:29:40 origin kernel: [ 4093.784977] sysrq: SysRq : Emergency Sync
Mar 29 22:29:40 origin kernel: [ 4093.785868] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 29 22:29:40 origin kernel: [ 4093.786915] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 29 22:29:40 origin kernel: [ 4093.787963] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 29 22:29:40 origin kernel: [ 4093.789011] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 29 22:29:40 origin kernel: [ 4093.790058] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 29 22:29:40 origin kernel: [ 4093.791106] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 29 22:29:40 origin kernel: [ 4093.792154] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
Mar 29 22:29:40 origin kernel: [ 4093.793201] nouveau 0000:26:00.0: fifo:
CHSW_ERROR 00000002
 (and then a few more before it rebooted).

Because this is a new machine, I have no idea if this is a regression or has
always been like this.

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https://bugs.freedesktop.org/show_bug.cgi?id=105813

Martin Peres <martin.peres at free.fr> changed:

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

--- Comment #1 from Martin Peres <martin.peres at free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance:
https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/417.

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