[DragonFlyBSD - Bug #3198] OpenGL app crash with Radeon driver

[bugtracker-admin at leaf.dragonflybsd.org]

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.

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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: 
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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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