Created attachment 138902 [details]
Linux 4.14.30 messages
On a dual monitor setup, since moving from Nvidia’s proprietary drivers to
Nouveau 1.0.15 with Linux 4.14.30 and X.Org X server 1.19.6, running
XScreenSaver 5.37 over night coming back to the system the program is frozen.
```
$ more /proc/version
Linux version 4.14.30.mx64.211 (root@holidayincambodia.molgen.mpg.de) (gcc
version 7.3.0 (GCC)) #1 SMP Tue Mar
27 12:40:07 CEST 2018
$ dmesg | grep nouveau
[ 55.882828] nouveau 0000:01:00.0: NVIDIA GT216 (0a5c00a2)
[ 56.007447] nouveau 0000:01:00.0: bios: version 70.16.72.00.04
[ 56.008001] nouveau 0000:01:00.0: fb: 512 MiB DDR3
[ 56.057456] nouveau 0000:01:00.0: DRM: VRAM: 512 MiB
[ 56.057457] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
[ 56.057459] nouveau 0000:01:00.0: DRM: TMDS table version 2.0
[ 56.057460] nouveau 0000:01:00.0: DRM: DCB version 4.0
[ 56.057461] nouveau 0000:01:00.0: DRM: DCB outp 00: 02000380 00000000
[ 56.057463] nouveau 0000:01:00.0: DRM: DCB outp 01: 08000382 00020030
[ 56.057464] nouveau 0000:01:00.0: DRM: DCB outp 02: 028213a6 0f220010
[ 56.057465] nouveau 0000:01:00.0: DRM: DCB outp 03: 02021362 00020010
[ 56.057466] nouveau 0000:01:00.0: DRM: DCB conn 00: 00002030
[ 56.057467] nouveau 0000:01:00.0: DRM: DCB conn 01: 00101146
[ 56.147522] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
[ 56.198649] nouveau 0000:01:00.0: DRM: allocated 2560x1440 fb: 0x70000, bo
ffff8801f51d3800
[ 56.200002] fbcon: nouveaufb (fb0) is primary device
[ 56.378972] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device
[ 56.389927] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on
minor 0
[24345.413226] nouveau 0000:01:00.0: gr: TRAP DISPATCH_QUERY
[24345.413228] nouveau 0000:01:00.0: gr: no stuck command?
[24345.413241] nouveau 0000:01:00.0: fb: trapped write at 0020215000 on channel
7 [1f7c3000 timetunnel[10223]] engine 00 [PGRAPH] client 03 [DISPATCH]
subclient 02 [QUERY] reason 00000002 [PAGE_NOT_PRESENT]
[136540.327847] nouveau 0000:01:00.0: gr: TRAP DISPATCH_QUERY
[136540.327849] nouveau 0000:01:00.0: gr: no stuck command?
[136540.327859] nouveau 0000:01:00.0: fb: trapped write at 0020215000 on
channel 7 [1f7b3000 cubicgrid[24392]] engine 00 [PGRAPH] client 03 [DISPATCH]
subclient 02 [QUERY] reason 00000002 [PAGE_NOT_PRESENT]
[149740.682664] nouveau 0000:01:00.0: gr: TRAP DISPATCH_QUERY
[149740.682666] nouveau 0000:01:00.0: gr: no stuck command?
[149740.682682] nouveau 0000:01:00.0: fb: trapped write at 0020215000 on
channel 7 [1f7b3000 flipscreen3d[30021]] engine 00 [PGRAPH] client 03
[DISPATCH] subclient 02 [QUERY] reason 00000002 [PAGE_NOT_PRESENT]
[161741.043699] nouveau 0000:01:00.0: gr: TRAP DISPATCH_QUERY
[161741.043701] nouveau 0000:01:00.0: gr: no stuck command?
[161741.043711] nouveau 0000:01:00.0: fb: trapped write at 0020215000 on
channel 7 [1f7b3000 rubikblocks[2611]] engine 00 [PGRAPH] client 03 [DISPATCH]
subclient 02 [QUERY] reason 00000002 [PAGE_NOT_PRESENT]
[166541.141873] nouveau 0000:01:00.0: gr: TRAP DISPATCH_QUERY
[166541.141875] nouveau 0000:01:00.0: gr: no stuck command?
[166541.141889] nouveau 0000:01:00.0: fb: trapped write at 0020215000 on
channel 7 [1f7b3000 boing[4728]] engine 00 [PGRAPH] client 03 [DISPATCH]
subclient 02 [QUERY] reason 00000002 [PAGE_NOT_PRESENT]
[172738.032860] nouveau 0000:01:00.0: fifo: DMA_PUSHER - ch 7 [geodesic[7871]]
get 0000000000 put 0000000000 ib_get 00000000 ib_put 00000002 state c0000000
(err: MEM_FAULT) push 00400040
[172738.032870] nouveau 0000:01:00.0: fb: trapped read at 0020010000 on channel
7 [1f6b3000 geodesic[7871]] engine 05 [PFIFO] client 08 [PFIFO_READ] subclient
00 [PUSHBUF] reason 0000000f [DMAOBJ_LIMIT]
[172738.054718] nouveau 0000:01:00.0: fifo: DMA_PUSHER - ch 7 [geodesic[7871]]
get 0000000000 put 0000000000 ib_get 00000002 ib_put 00000004 state c0000000
(err: MEM_FAULT) push 00400040
[172738.054730] nouveau 0000:01:00.0: fb: trapped read at 0020010010 on channel
7 [1f6b3000 geodesic[7871]] engine 05 [PFIFO] client 08 [PFIFO_READ] subclient
00 [PUSHBUF] reason 0000000f [DMAOBJ_LIMIT]
[172829.815630] nouveau 0000:01:00.0: fifo: DMA_PUSHER - ch 7 [geodesic[7871]]
get 0000000000 put 0000000000 ib_get 00000004 ib_put 00000006 state c0000000
(err: MEM_FAULT) push 00400040
[172829.815640] nouveau 0000:01:00.0: fb: trapped read at 0020010020 on channel
7 [1f6b3000 geodesic[7871]] engine 05 [PFIFO] client 08 [PFIFO_READ] subclient
00 [PUSHBUF] reason 0000000f [DMAOBJ_LIMIT]
```
It could be, that the system was under memory pressure.
root 4572 0.0 0.0 159180 1928 ? Ssl Apr16 0:00
/usr/sbin/gdm-binary
root 4577 0.0 0.0 175448 1596 ? Sl Apr16 0:00 \_
/usr/lib/gdm/gdm-simple-slave --display-id /org/gnome/DisplayManager/Display1
root 4579 9.2 2.5 694112 202660 tty3 Ssl+ Apr16 263:09 \_
/usr/libexec/Xorg :0 -br -verbose -auth
/var/run/gdm/auth-for-gdm-NG4xU2/database -nolisten tcp
root 4688 0.0 0.0 262704 6812 ? Sl Apr16 0:00 \_
gdm-session-worker [pam/gdm-password]
joey1 4741 0.0 0.0 24152 536 ? Ss Apr16 0:00 \_
/bin/sh /etc/xdg/xfce4/xinitrc
joey1 4761 0.0 0.0 19768 332 ? Ss Apr16 0:00
\_ /usr/bin/ssh-agent -- startxfce4
joey1 4766 0.0 0.0 325448 3660 ? Sl Apr16 0:00
\_ xfce4-session
joey1 4795 0.0 0.0 355232 6576 ? Sl Apr16 0:00
\_ bluetooth-applet
joey1 4829 0.0 0.0 64888 2524 ? S Apr16 0:08
\_ xscreensaver -no-splash
joey1 7871 0.9 0.3 252952 26896 ? SNl 07:54 1:31
| \_ geodesic -root
joey1 7872 0.3 0.3 255000 26588 ? SNl 07:54 0:39
| \_ geodesic -root
joey1 4842 0.0 0.1 648920 8148 ? Sl Apr16 0:00
\_ gnome-sound-applet