Bug 42883

Summary:	Firefox crashes in state_tracker/st_cb_blit.c:87
Product:	Mesa	Reporter:	Stefan <kdevel>
Component:	Mesa core	Assignee:	mesa-dev
Status:	RESOLVED FIXED	QA Contact:
Severity:	normal
Priority:	medium	CC:	vlee
Version:	git
Hardware:	x86-64 (AMD64)
OS:	Linux (All)
Whiteboard:
i915 platform:		i915 features:

Description Stefan 2011-11-13 11:32:44 UTC

The Firefox Nightly Build 
http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/2011/11/2011-11-12-03-15-41-mozilla-central/firefox-11.0a1.en-US.linux-x86_64.tar.bz2
crashes when Using WebGL:

https://bugzilla.mozilla.org/show_bug.cgi?id=701731#c4

Comment 1 Stefan 2011-12-18 05:11:06 UTC

Error reproduced with current mesa code:

WebGL RendererX.Org -- Gallium 0.4 on AMD RV730 -- 2.1 Mesa 7.12-devel (git-745d990)

and current nightly (x86_64) 2011-12-18-03-11-40-mozilla-central:

Program received signal SIGSEGV, Segmentation fault.
#0  0x0000000000000000 in ?? ()
#1  0x00007fffd2da249b in st_BlitFramebuffer_resolve (info=<optimized out>, 
    mask=<optimized out>, ctx=<optimized out>) at state_tracker/st_cb_blit.c:87
#2  st_BlitFramebuffer (ctx=0x7fffcfb90000, srcX0=0, srcY0=0, srcX1=500, 
    srcY1=500, dstX0=0, dstY0=<optimized out>, dstX1=500, dstY1=500, 
    mask=16384, filter=9728) at state_tracker/st_cb_blit.c:207
#3  0x00007fffd2c56bbe in _mesa_BlitFramebufferEXT (srcX0=0, srcY0=0, 
    srcX1=500, srcY1=500, dstX0=0, dstY0=0, dstX1=500, dstY1=500, mask=16384, 
    filter=9728) at main/fbobject.c:2793

URL: http://learningwebgl.com/lessons/lesson03/index.html

Comment 2 Alex Deucher 2011-12-19 06:39:32 UTC

Thread for reference:
http://lists.freedesktop.org/archives/mesa-dev/2011-November/015286.html

Comment 3 Stefan 2011-12-19 07:17:37 UTC

(In reply to comment #2)

Mesa Works again. Thx.

Comment 4 Alex Deucher 2011-12-30 06:53:31 UTC

*** Bug 44298 has been marked as a duplicate of this bug. ***

Comment 5 Andreas Boll 2012-08-08 15:48:10 UTC

(In reply to comment #3)
> (In reply to comment #2)
> 
> Mesa Works again. Thx.

Confirmed.
Works with mesa 8.0-stable and mesa master:

WebGL Renderer: X.Org -- Gallium 0.4 on AMD RV770 -- 2.1 Mesa 8.0.3
WebGL Renderer: X.Org -- Gallium 0.4 on AMD RV770 -- 2.1 Mesa 8.1-devel (git-be42a45)

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