Issue #3198 has been updated by ftigeot.
Among the three choices, I'd say get the R7 240.
- R5 230: are rebadged models and variants of your existing chips. they will
most likely exhibit the same issue.
- RX550: it's a new generation and equires the amdgpu driver.
A port of the driver is
Issue #3198 has been updated by yellowrabbit2010.
Thanks for your work.
As I understand it, you have video cards of this type that do not show any
glitches.
At a local store I can purchase R7 240, R5 230 or RX 550.
Bug #3198: OpenGL app crash with
Issue #3198 has been updated by yellowrabbit2010.
File core.txt.3 added
Very fast crash in the FreeCAD when trying to open a file with a model.
<118>Aug 16 08:17:07 fly kernel: [drm] Initialized radeon 2.45.0 20080528
panic: BUG in ttm_bo_add_to_lru at
Issue #3198 has been updated by yellowrabbit2010.
File messages added
After about half an hour working with Chromium, at the moment when I moved the
mouse, the Xorg died:(
kernel: ttm_bo_wait(): ret = 1
Bug #3198: OpenGL app crash with Radeon driver
Issue #3198 has been updated by ftigeot.
The pager read error appears to always be from this chunk of code in
ttm/ttm_bo_vm.c around line 550:
```
/*
* Wait for buffer data in transit, due to a pipelined
* move.
*/
if (test_bit(TTM_BO_PRIV_FLAG_MOVING,
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
Issue #3198 has been updated by ftigeot.
I have pushed drm_ttm_radeon_3_19_8_bisect_vmfault to leaf and bisected what I
could myself.
(It can be necessary to comment out drm/i915 from the tree to build
successfully)
The first bad commit in that branch is
Issue #3198 has been updated by yellowrabbit2010.
The first commit on which the glxgears error occurs (vm_fault: pager read
error) is 7dcf36dc33228b5b368783d7b6f7ada00ee671d6 on master (Thu Jun 20,
drm/radeon: Upgrade to Linux 3.19.8).
Is there a branch with individual changes?
Issue #3198 has been updated by yellowrabbit2010.
File IMG_20190727_194932_HDR.jpg added
Thanks! Yes, the trick with disabled acceleration allows to work without
failures on the kernel 4685ca1cc305dbcd40d614ecc70f60a6a71ba453 :)
I, on the other hand, built the working kernels until March 20,
Issue #3198 has been updated by ftigeot.
I managed to dig up an old Radeon HD5450 which appears to exhibit the bug.
There is no fix yet, but a workaround.
Disabling acceleration in xorg.conf will stop the crashes from happening.
Adding the line Option "NoAccel" "TRUE" in a Device section
Issue #3198 has been updated by yellowrabbit2010.
File IMG_20190724_210557_HDR-min.jpg added
File vga.txz added
Unfortunately, this commit is already bad:(
I will try to build a working kernel of an earlier version.
Bug #3198: OpenGL app crash with
Issue #3198 has been updated by ftigeot.
Thanks for this bug report.
The issue looks to be hardware-specific though; I cannot reproduce it at will
on any of my machines.
The branch drm_ttm_radeon_4_4_180_v1 on leaf contains the individual changes
leading to the Linux 4.4.180 update.
Can you
Issue #3198 has been updated by yellowrabbit2010.
I use the core of the March version -> I use the kernel from March
Bug #3198: OpenGL app crash with Radeon driver
http://bugs.dragonflybsd.org/issues/3198#change-13757
* Author: yellowrabbit2010
*
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