Bug 31439 - Crash in glBufferSubData() with size == 0
Summary: Crash in glBufferSubData() with size == 0
Status: RESOLVED FIXED
Alias: None
Product: Mesa
Classification: Unclassified
Component: Mesa core (show other bugs)
Version: 7.9
Hardware: x86-64 (AMD64) Linux (All)
: medium normal
Assignee: mesa-dev
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Reported: 2010-11-07 03:34 UTC by Cyp
Modified: 2010-11-09 11:25 UTC (History)
0 users

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Attachments
patch to no-op glBufferSubData for size==0 (372 bytes, patch)
2010-11-07 08:40 UTC, Brian Paul 		Details | Splinter Review
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Description Cyp 2010-11-07 03:34:27 UTC 
glBufferSubData(GL_ARRAY_BUFFER, 0, 0, 0x7f28e803d850) is crashing, and I think that's supposed to be a valid (although useless) call.

(Using gentoo.)
media-libs/mesa = 7.9
x11-base/xorg-x11 = 7.4-r1
x11-drivers/xf86-video-ati = 6.13.1

#3  <signal handler called>
No symbol table info available.
#4  0x00007f30b9021522 in radeon_bo_is_referenced_by_cs (bo=0x0, cs=0x2529cb0) at radeon_bo.c:121
No locals.
#5  0x00007f30b94976b0 in ?? () from /usr/lib64/dri/r600_dri.so
No symbol table info available.
#6  0x000000000059898a in updateSectorGeometry () at ../../src/terrain.c:631

OpenGL Vendor : Advanced Micro Devices, Inc.
OpenGL Renderer : Mesa DRI R600 (RV710 954F) 20090101  TCL DRI2
OpenGL Version : 2.1 Mesa 7.9
Video Mode 1024 x 768 (32 bpp) (window)
OpenGL GLSL Version : 1.20

Please let me know if there's any relevant information missing.
Comment 1 Brian Paul 2010-11-07 08:40:34 UTC 
Created attachment 40089 [details] [review]
patch to no-op glBufferSubData for size==0

Can you try this trivial patch?
Comment 2 Cyp 2010-11-07 10:42:57 UTC 
(In reply to comment #1)
> Created an attachment (id=40089) [details]
> patch to no-op glBufferSubData for size==0
> 
> Can you try this trivial patch?

Doesn't crash anymore, with that patch. Thanks.
Comment 3 Brian Paul 2010-11-09 11:25:32 UTC 
I've committed this change (6e2e136428b97d2424ebe626a30d7237015f7ea3)

bug/show.html.tmpl processed on Mar 20, 2017 at 09:47:56.
(provided by the Example extension).