* [Bug 89957] vm protection faults in piglit lest: texsubimage cube_map_array pbo
@ 2015-04-08 17:23 bugzilla-daemon
2015-04-08 17:30 ` bugzilla-daemon
2015-04-13 23:20 ` bugzilla-daemon
0 siblings, 2 replies; 3+ messages in thread
From: bugzilla-daemon @ 2015-04-08 17:23 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=89957
Bug ID: 89957
Summary: vm protection faults in piglit lest: texsubimage
cube_map_array pbo
Product: Mesa
Version: git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/radeonsi
Assignee: dri-devel@lists.freedesktop.org
Reporter: tstellar@gmail.com
QA Contact: dri-devel@lists.freedesktop.org
To reproduce: /home/tstellar/piglit/bin/texsubimage cube_map_array pbo -auto
-fbo
I've spent some time debugging this and it appears the result from the
v_cubeid_f32
instruction is causing the shader to access memory outside the bounds of the
texture.
If I replace v_cubeid_f32 $dst, $src0, $src1, $src2 instructions with v_mov_f32
$dst, 0.0 or v_mov_f32 $dst, 1.0
I no longer see vm protection faults.
However, if I replace the v_cubeid_f32 instructions with v_mov_f32 $dst, 2.0
then the vm protection faults return. So, it seems the bad case is whenever
the face id is computed as >= 2.0f.
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^ permalink raw reply [flat|nested] 3+ messages in thread* [Bug 89957] vm protection faults in piglit lest: texsubimage cube_map_array pbo 2015-04-08 17:23 [Bug 89957] vm protection faults in piglit lest: texsubimage cube_map_array pbo bugzilla-daemon @ 2015-04-08 17:30 ` bugzilla-daemon 2015-04-13 23:20 ` bugzilla-daemon 1 sibling, 0 replies; 3+ messages in thread From: bugzilla-daemon @ 2015-04-08 17:30 UTC (permalink / raw) To: dri-devel [-- Attachment #1.1: Type: text/plain, Size: 369 bytes --] https://bugs.freedesktop.org/show_bug.cgi?id=89957 --- Comment #1 from Alex Deucher <alexdeucher@gmail.com> --- Possibly fixed by this patch: http://lists.freedesktop.org/archives/mesa-dev/2015-April/081426.html See also: http://lists.freedesktop.org/archives/mesa-dev/2015-April/081424.html -- You are receiving this mail because: You are the assignee for the bug. [-- Attachment #1.2: Type: text/html, Size: 1340 bytes --] [-- Attachment #2: Type: text/plain, Size: 159 bytes --] _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug 89957] vm protection faults in piglit lest: texsubimage cube_map_array pbo 2015-04-08 17:23 [Bug 89957] vm protection faults in piglit lest: texsubimage cube_map_array pbo bugzilla-daemon 2015-04-08 17:30 ` bugzilla-daemon @ 2015-04-13 23:20 ` bugzilla-daemon 1 sibling, 0 replies; 3+ messages in thread From: bugzilla-daemon @ 2015-04-13 23:20 UTC (permalink / raw) To: dri-devel [-- Attachment #1.1: Type: text/plain, Size: 421 bytes --] https://bugs.freedesktop.org/show_bug.cgi?id=89957 Dave Airlie <airlied@freedesktop.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED -- You are receiving this mail because: You are the assignee for the bug. [-- Attachment #1.2: Type: text/html, Size: 1245 bytes --] [-- Attachment #2: Type: text/plain, Size: 159 bytes --] _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/dri-devel ^ permalink raw reply [flat|nested] 3+ messages in thread
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