Issue #3198 has been updated by yellowrabbit2010.
You're right. I got the same commit (fca8eb81f38c6d4b27e5fa79e030f0647dee0739)
as the first one demonstrating a bug in glxgears.
And you are probably right as well in the fact that this commit is not the
cause of failures, it just makes the problem very easy and quickly demonstrated.
The kernels that I tried after March 24 crashed with the same error, but after
3–4 hours of intensive work with graphic applications or mpv and it was
impossible to make a normal error report with an easily repeated sequence of
actions.
Bug #3198: OpenGL app crash with Radeon driver
http://bugs.dragonflybsd.org/issues/3198#change-13771
* Author: yellowrabbit2010
* Status: New
* Priority: High
* Assignee:
* Category: Driver
* Target version:
The programs I work with, namely, FreeCAD, Kicad, MPV, Chromium crash with
``vm_fault: pager read error'' at different times, sometimes immediately after
starting, sometimes after some manipulations.
I managed to repeat the situation on the configuration with minimal changes:
- I downloaded DragonFly-X86_64-LATEST.img.bz2 2019-07-16 03:56 285M
- installed it on 8G usb flash drive
- modify rc.conf and wpa_supplicant.conf in order to connect to WiFi
- pkg install Xorg mesa-demos
- added user rabbit
- startx
- glxgears
Glxgears crushed immediately after start. Unfortunately, the test installation
does not contain packages with debug information, so its core file is not very
informative. But since the situation is always repeated, I built packages with
debug information and made a screenshot of the gdb file with the downloaded
core on the working machine (KERNCONF=X86_64_GENERIC).
I have to note that I use the core of the March version and it has no problems
with graphics at all: there have been no failures for a long time with all the
programs listed above. That is, it is unlikely that this is a video memory or
swap file problem and so on.
= 5.5-DEVELOPMENT DragonFly v5.5.0.325.gf6792-DEVELOPMENT #25: Sun Mar 24
09:54:07 VLAT 2019 =
I made an image of the flash drive immediately after the failure, you can
download it from here
https://yellowrabbit.gitlab.io/pub/bugs/dfly-glxgears.img.xz . There are no
passwords neither for the rabbit user nor for root.
---Files
IMG_20190718_080950_HDR-min.jpg (1.83 MB)
Xorg.0.log (27.6 KB)
gdb-0.txt (558 Bytes)
messages (34.9 KB)
gdb-1.txt (2.72 KB)
gdb-1.png (394 KB)
glxgears.core.xz (298 KB)
IMG_20190724_210557_HDR-min.jpg (2.57 MB)
vga.txz (312 KB)
IMG_20190727_194932_HDR.jpg (4.11 MB)
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