https://bugs.freedesktop.org/show_bug.cgi?id=89034
smoki changed:
What|Removed |Added
Status|NEW |RESOLVED
Resolution|---
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #48 from smoki ---
(In reply to Tom Stellard from comment #47)
> If you enable sub-reg liveness in this branch:
> http://cgit.freedesktop.org/~tstellar/llvm/log/?h=sched-perf-Mar-27-2015, do
> you still see the bugs?
In unigine vall
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #47 from Tom Stellard ---
If you enable sub-reg liveness in this branch:
http://cgit.freedesktop.org/~tstellar/llvm/log/?h=sched-perf-Mar-27-2015, do
you still see the bugs?
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--- Comment #46 from smoki ---
Ah, i forgot to add that comparison anyway... That is no X gbm piglit, just
enabled/disabled subreg liveness:
https://dl.dropboxusercontent.com/u/74553632/compare11.tar.bz2
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--- Comment #45 from smoki ---
If you ask does same tests fail there, then yes - same tests fail with
PIGLIT_PLATFORM=gbm with no xserver. And dump is the same with our example.
PIGLIT_PLATFORM=gbm R600_DEBUG=vs,ps ./bin/copy-pixels -samples=
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #44 from Tom Stellard ---
(In reply to smoki from comment #43)
> Created attachment 114561 [details]
> hof.png
>
>
> Yes, those piglit tests from comment 33 still failing. But also Unigine
> Valley still have corruptions, i run it
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #43 from smoki ---
Created attachment 114561
--> https://bugs.freedesktop.org/attachment.cgi?id=114561&action=edit
hof.png
Yes, those piglit tests from comment 33 still failing. But also Unigine Valley
still have corruptions, i r
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #42 from Tom Stellard ---
(In reply to smoki from comment #41)
> Tried svn232842 with subreg liveness enabled + mesa
> a04b520890c669ce012b4b18165392dcabe0b27b
>
> Nothing, still same bugs are there.
I can't reproduce any of thes
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #41 from smoki ---
Tried svn232842 with subreg liveness enabled + mesa
a04b520890c669ce012b4b18165392dcabe0b27b
Nothing, still same bugs are there.
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--- Comment #40 from Tom Stellard ---
There have been a few register allocator bugs fixed in LLVM recently, can you
re-apply the "Patch to re-enable subreg liveness" to latest LLVM and test
again?
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--- Comment #39 from smoki ---
Created attachment 113826
--> https://bugs.freedesktop.org/attachment.cgi?id=113826&action=edit
subreg_enabled2.txt
(In reply to Tom Stellard from comment #38)
> Created attachment 113825 [details] [review]
> Pos
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--- Comment #38 from Tom Stellard ---
Created attachment 113825
--> https://bugs.freedesktop.org/attachment.cgi?id=113825&action=edit
Possible fix
Can you try this patch and see if it helps?
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--- Comment #37 from Tom Stellard ---
After examining the shader dumps one thing that looks suspicious to me is that
in the good dump, we have several instructions like this:
image_load v[9:12], 15, 0, 0, 0, 0, 0, 0, 0, v[4:7], s[8:15]
But noth
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #36 from smoki ---
Created attachment 113810
--> https://bugs.freedesktop.org/attachment.cgi?id=113810&action=edit
subreg_enabled.txt
...second with subreg liveness enabled.
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--- Comment #35 from smoki ---
Created attachment 113809
--> https://bugs.freedesktop.org/attachment.cgi?id=113809&action=edit
subreg_disabled.txt
(In reply to Michel Dänzer from comment #34)
>
> I can't reproduce random failures with glsl-
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #34 from Michel Dänzer ---
(In reply to smoki from comment #33)
> glsl-fs-min is one of the random failing tests actually, it sometimes pass
> sometimes fail with or without subreg liveness, so that is not problem here
> i think.
I
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--- Comment #33 from smoki ---
glsl-fs-min is one of the random failing tests actually, it sometimes pass
sometimes fail with or without subreg liveness, so that is not problem here i
think.
Currently i have 7 warns, 1 test which made gpu fau
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #32 from Tom Stellard ---
(In reply to smoki from comment #31)
> (In reply to Michel Dänzer from comment #30)
> > I think at least the piglit regressions aren't directly related to
> > sub-register liveness and should be tracked in a
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #31 from smoki ---
(In reply to Michel Dänzer from comment #30)
> I think at least the piglit regressions aren't directly related to
> sub-register liveness and should be tracked in a separate bug report:
Those regressions are only
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #30 from Michel Dänzer ---
(In reply to smoki from comment #29)
> I did fresh piglit run now and it shows there are 159 regressed now...
I think at least the piglit regressions aren't directly related to sub-register
liveness and sh
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--- Comment #29 from smoki ---
(In reply to Tom Stellard from comment #28)
> Which piglit tests regress and what GPU do you have?
Kabini. I did fresh piglit run now and it shows there are 159 regressed now...
too many to be listed so i upload
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #28 from Tom Stellard ---
(In reply to smoki from comment #26)
> @ Lorenzo Bona
>
> That is for SI, i am on CIK... this issue whole another one, probably
> affect all chips.
>
> @Tom
>
> There are also ~140 piglit quick tests f
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--- Comment #27 from Daniel Scharrer ---
Also no X server crashed here on TAHITI with LLVM r230124 + your patch.
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--- Comment #26 from smoki ---
@ Lorenzo Bona
That is for SI, i am on CIK... this issue whole another one, probably affect
all chips.
@Tom
There are also ~140 piglit quick tests failed once subreg liveness is enabled.
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--- Comment #25 from Lorenzo Bona ---
(In reply to smoki from comment #24)
> Created attachment 113716 [details]
> stacking.png
>
>
> In Stacking game (as another example) rendering is also borked but
> differently, and so on...
Have you alre
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #24 from smoki ---
Created attachment 113716
--> https://bugs.freedesktop.org/attachment.cgi?id=113716&action=edit
stacking.png
In Stacking game (as another example) rendering is also borked but
differently, and so on...
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https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #23 from smoki ---
Created attachment 113715
--> https://bugs.freedesktop.org/attachment.cgi?id=113715&action=edit
valley.png
(In reply to Tom Stellard from comment #22)
> Created attachment 113709 [details] [review]
> Patch to re-
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--- Comment #22 from Tom Stellard ---
Created attachment 113709
--> https://bugs.freedesktop.org/attachment.cgi?id=113709&action=edit
Patch to re-enable subreg liveness
I think this bug has been fixed. This patch re-enables subreg livess. Ca
https://bugs.freedesktop.org/show_bug.cgi?id=89034
Kai changed:
What|Removed |Added
CC||kai at dev.carbon-project.org
--- Comment #21 from
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #20 from Daniel Scharrer ---
(In reply to Lorenzo Bona from comment #19)
> BTW I'm still facing rendering issue in Dota2.
That looks a lot like bug #88978. You could try the trace posted there to see
if you are experiencing the same
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #19 from Lorenzo Bona ---
Thank you Tom, with latest changes crashes and Valley rendering issue are gone
for me.
BTW I'm still facing rendering issue in Dota2.
Performances with LLVM-3.7 are great, about 30FPS in Valley. Nice.
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--- Comment #18 from Tom Stellard ---
I have just committed a change to llvm svn that disables sub-reg liveness and
filed an LLVM bug for this:
http://www.llvm.org/bugs/show_bug.cgi?id=22548
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--- Comment #17 from Lorenzo Bona ---
Sorry, I forget some infos:
mesa/xserver/ddx/drm from git
kernel drm-fixes-3.19
GPU: R7-265
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--- Comment #16 from Lorenzo Bona ---
Created attachment 113344
--> https://bugs.freedesktop.org/attachment.cgi?id=113344&action=edit
attachment_2_Dota2
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--- Comment #15 from Lorenzo Bona ---
Created attachment 113343
--> https://bugs.freedesktop.org/attachment.cgi?id=113343&action=edit
attachment_1_Xorg
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--- Comment #14 from Lorenzo Bona ---
I'm using llvm from debian/ubuntu nightly build and I'm experiencing quite the
same problem.
I've builded mesa against llvm3.7svn228689 yesterday evening.
KDE starts ok, with startx, but as soon as I open a
https://bugs.freedesktop.org/show_bug.cgi?id=89034
--- Comment #13 from sarnex ---
I'm getting this issue also. I thought it was my own fault because it was so
strange. I'm on Linux Mint, Kernel 3.19 and the crash happens when using LLVM
3.7 on Xserver 1.16 and git.
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--- Comment #12 from smoki ---
Those seems interesting:
err = 0x7f6cbf5538f0
buffer_data = 0x25
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--- Comment #11 from smoki ---
Created attachment 113310
--> https://bugs.freedesktop.org/attachment.cgi?id=113310&action=edit
stderr.txt
...and stderr.txt
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--- Comment #10 from smoki ---
Created attachment 113309
--> https://bugs.freedesktop.org/attachment.cgi?id=113309&action=edit
gdb.txt
Hopefully i did it fine :) gdb.txt attached...
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--- Comment #9 from Michel Dänzer ---
Alternatively, you can try using a script for gdb's --command option, something
like:
set logging on
set logging redirect
handle SIGPIPE nostop noprint
continue
bt full
continue
quit
That should capture th
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--- Comment #8 from smoki ---
Well i think i can't do that, because i don't have another machine right now.
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--- Comment #7 from Michel Dänzer ---
Please get a gdb backtrace (bt full) for the assertion failure then. Bonus
points for running Xorg with R600_DEBUG=vs,ps and grabbing its stderr output
leading up to the assertion failure as well.
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--- Comment #6 from smoki ---
(In reply to Michel Dänzer from comment #3)
>
> Then something like
>
> startx [...] 2>stderr.txt
>
> should capture the stderr output in a file.
Actually that one drop something, this is with debug+assertion e
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--- Comment #5 from Michel Dänzer ---
Please get a backtrace of the crash with gdb by attaching gdb to the Xorg
process via ssh before starting Firefox.
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--- Comment #4 from smoki ---
Created attachment 113272
--> https://bugs.freedesktop.org/attachment.cgi?id=113272&action=edit
xcrash
Using wihout patched llvm to post this as i can't use proper llvm with browser
to post this :D
This is wit
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--- Comment #3 from Michel Dänzer ---
(In reply to smoki from comment #2)
> Well i can but i need first to make a bottle of coffee because one llvm
> build takes 30 minutes on Kabini :D.
It shouldn't take that long after switching between the
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--- Comment #2 from smoki ---
Well i can but i need first to make a bottle of coffee because one llvm build
takes 30 minutes on Kabini :D. but OK will do something... later...
I don't have gdm.log as i don't use it, plain startx is used. I ca
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--- Comment #1 from Michel Dänzer ---
(In reply to smoki from comment #0)
> Attached is screenshot from Unigine Valley for example, there are major
> rendering issues in many other GL apps.
Haven't seen such artifacts on Kaveri. Can you attach
https://bugs.freedesktop.org/show_bug.cgi?id=89034
smoki changed:
What|Removed |Added
Attachment #113269|text/plain |image/png
mime type|
https://bugs.freedesktop.org/show_bug.cgi?id=89034
Bug ID: 89034
Summary: Firefox crashing xserver and some major rendering bugs
Product: Mesa
Version: git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
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