[Bug 2516] some rasterization fallbacks cause segfaults
http://bugs.freedesktop.org/show_bug.cgi?id=2516 ajax at nwnk dot net a...@nwnk.net changed: What|Removed |Added Version|CVS |git --- Comment #13 from ajax at nwnk dot net a...@nwnk.net 2009-08-24 12:23:03 PST --- Mass version move, cvs - git -- Configure bugmail: http://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug. -- Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
[Bug 2516] some rasterization fallbacks cause segfaults
Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 [EMAIL PROTECTED] changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution||FIXED --- Additional Comments From [EMAIL PROTECTED] 2005-06-26 14:59 --- Patch committed to CVS. Thanks! -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug, or are watching the assignee. --- SF.Net email is sponsored by: Discover Easy Linux Migration Strategies from IBM. Find simple to follow Roadmaps, straightforward articles, informative Webcasts and more! Get everything you need to get up to speed, fast. http://ads.osdn.com/?ad_id=7477alloc_id=16492op=click -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
Re: [Bug 2516] some rasterization fallbacks cause segfaults
[EMAIL PROTECTED] wrote: Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 [EMAIL PROTECTED] changed: What|Removed |Added Status|NEW |ASSIGNED --- Additional Comments From [EMAIL PROTECTED] 2005-05-31 15:21 --- I can reproduce a similar backtrace on radeon and r200 using neverball, which is doing a rasterization fallback beacuse I'm running at 16bpp (no stencil). Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1214635360 (LWP 1346)] 0xb70559a6 in update_input_ptrs (ctx=0x0, start=0) at tnl/t_vertex.c:386 386 a[j].inputptr = ((GLubyte *)vptr-data) + start * vptr-stride; (gdb) bt #0 0xb70559a6 in update_input_ptrs (ctx=0x0, start=0) at tnl/t_vertex.c:386 #1 0xb7055a52 in _tnl_build_vertices (ctx=0x8110180, start=0, end=0, newinputs=4294967295) at tnl/t_vertex.c:408 #2 0xb704a066 in run_render (ctx=0x8110180, stage=0x830d314) at tnl/t_vb_render.c:295 #3 0xb70410b5 in _tnl_run_pipeline (ctx=0x8110180) at tnl/t_pipeline.c:159 #4 0xb6fba915 in r200WrapRunPipeline (ctx=0x8110180) at r200_state.c:2316 #5 0xb704640c in _tnl_playback_vertex_list (ctx=0x8110180, data=0x85e5198) at tnl/t_save_playback.c:209 #6 0xb6feccb3 in execute_list (ctx=0x8110180, list=135332224) at main/dlist.c:5679 #7 0xb6fef760 in _mesa_CallList (list=80) at main/dlist.c:6747 #8 0xb703a9e2 in neutral_CallList (i=0) at vtxfmt_tmp.h:301 For crashes involving the inputptr loop it is necessary to find and fix the reason rather than just adding a guard. Presumably vptr is NULL above, and the ctx=0x0 is just a gcc/gdb artifact. Keith --- This SF.Net email is sponsored by Yahoo. Introducing Yahoo! Search Developer Network - Create apps using Yahoo! Search APIs Find out how you can build Yahoo! directly into your own Applications - visit http://developer.yahoo.net/?fr=offad-ysdn-ostg-q22005 -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
Re: [Bug 2516] some rasterization fallbacks cause segfaults
Keith Whitwell wrote: [EMAIL PROTECTED] wrote: Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 [EMAIL PROTECTED] changed: What|Removed |Added Status|NEW |ASSIGNED --- Additional Comments From [EMAIL PROTECTED] 2005-05-31 15:21 --- I can reproduce a similar backtrace on radeon and r200 using neverball, which is doing a rasterization fallback beacuse I'm running at 16bpp (no stencil). Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1214635360 (LWP 1346)] 0xb70559a6 in update_input_ptrs (ctx=0x0, start=0) at tnl/t_vertex.c:386 386 a[j].inputptr = ((GLubyte *)vptr-data) + start * vptr-stride; (gdb) bt #0 0xb70559a6 in update_input_ptrs (ctx=0x0, start=0) at tnl/t_vertex.c:386 #1 0xb7055a52 in _tnl_build_vertices (ctx=0x8110180, start=0, end=0, newinputs=4294967295) at tnl/t_vertex.c:408 #2 0xb704a066 in run_render (ctx=0x8110180, stage=0x830d314) at tnl/t_vb_render.c:295 #3 0xb70410b5 in _tnl_run_pipeline (ctx=0x8110180) at tnl/t_pipeline.c:159 #4 0xb6fba915 in r200WrapRunPipeline (ctx=0x8110180) at r200_state.c:2316 #5 0xb704640c in _tnl_playback_vertex_list (ctx=0x8110180, data=0x85e5198) at tnl/t_save_playback.c:209 #6 0xb6feccb3 in execute_list (ctx=0x8110180, list=135332224) at main/dlist.c:5679 #7 0xb6fef760 in _mesa_CallList (list=80) at main/dlist.c:6747 #8 0xb703a9e2 in neutral_CallList (i=0) at vtxfmt_tmp.h:301 For crashes involving the inputptr loop it is necessary to find and fix the reason rather than just adding a guard. See also comment #5. While the code has changed, as far as I can tell (didn't run a new debugging session) the reason stated there is still valid, i.e. there's a problem if the driver sets tnl_need_projected_coords to false while it's in a rasterization fallback. But I just don't understand the code well enough to see what really should be done about it... Presumably vptr is NULL above, and the ctx=0x0 is just a gcc/gdb artifact. Indeed. Roland --- This SF.Net email is sponsored by Yahoo. Introducing Yahoo! Search Developer Network - Create apps using Yahoo! Search APIs Find out how you can build Yahoo! directly into your own Applications - visit http://developer.yahoo.net/?fr=offad-ysdn-ostg-q22005 -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
[Bug 2516] some rasterization fallbacks cause segfaults
Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 [EMAIL PROTECTED] changed: What|Removed |Added Status|NEW |ASSIGNED --- Additional Comments From [EMAIL PROTECTED] 2005-05-31 15:21 --- I can reproduce a similar backtrace on radeon and r200 using neverball, which is doing a rasterization fallback beacuse I'm running at 16bpp (no stencil). Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1214635360 (LWP 1346)] 0xb70559a6 in update_input_ptrs (ctx=0x0, start=0) at tnl/t_vertex.c:386 386 a[j].inputptr = ((GLubyte *)vptr-data) + start * vptr-stride; (gdb) bt #0 0xb70559a6 in update_input_ptrs (ctx=0x0, start=0) at tnl/t_vertex.c:386 #1 0xb7055a52 in _tnl_build_vertices (ctx=0x8110180, start=0, end=0, newinputs=4294967295) at tnl/t_vertex.c:408 #2 0xb704a066 in run_render (ctx=0x8110180, stage=0x830d314) at tnl/t_vb_render.c:295 #3 0xb70410b5 in _tnl_run_pipeline (ctx=0x8110180) at tnl/t_pipeline.c:159 #4 0xb6fba915 in r200WrapRunPipeline (ctx=0x8110180) at r200_state.c:2316 #5 0xb704640c in _tnl_playback_vertex_list (ctx=0x8110180, data=0x85e5198) at tnl/t_save_playback.c:209 #6 0xb6feccb3 in execute_list (ctx=0x8110180, list=135332224) at main/dlist.c:5679 #7 0xb6fef760 in _mesa_CallList (list=80) at main/dlist.c:6747 #8 0xb703a9e2 in neutral_CallList (i=0) at vtxfmt_tmp.h:301 -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug, or are watching the assignee. --- This SF.Net email is sponsored by Yahoo. Introducing Yahoo! Search Developer Network - Create apps using Yahoo! Search APIs Find out how you can build Yahoo! directly into your own Applications - visit http://developer.yahoo.net/?fr=offad-ysdn-ostg-q22005 -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
[Bug 2516] some rasterization fallbacks cause segfaults
Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 --- Additional Comments From [EMAIL PROTECTED] 2005-05-31 17:09 --- (In reply to comment #9) I can reproduce a similar backtrace on radeon and r200 using neverball I'll commit the fix if you don't come up with a better one, the radeon driver is only affected since it was converted to t_vertex. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug, or are watching the assignee. --- This SF.Net email is sponsored by Yahoo. Introducing Yahoo! Search Developer Network - Create apps using Yahoo! Search APIs Find out how you can build Yahoo! directly into your own Applications - visit http://developer.yahoo.net/?fr=offad-ysdn-ostg-q22005 -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
[Bug 2516] some rasterization fallbacks cause segfaults
Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 --- Additional Comments From [EMAIL PROTECTED] 2005-05-31 17:59 --- I was just noting the ability to reproduce, not saying something either way about the patch. I haven't looked into the patch. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug, or are watching the assignee. --- This SF.Net email is sponsored by Yahoo. Introducing Yahoo! Search Developer Network - Create apps using Yahoo! Search APIs Find out how you can build Yahoo! directly into your own Applications - visit http://developer.yahoo.net/?fr=offad-ysdn-ostg-q22005 -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
[Bug 2516] some rasterization fallbacks cause segfaults
Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 --- Additional Comments From [EMAIL PROTECTED] 2005-03-12 12:25 --- Sorry Roland, but your fix isn't enough. Play around with 's', 'f' and 'b'. progs/demos GL_VENDOR = Tungsten Graphics, Inc. GL_VERSION = 1.3 Mesa 6.3 GL_RENDERER = Mesa DRI R200 20041207 AGP 4x x86/MMX+/3DNow!+/SSE TCL w*h=65536 count=655 time=3.00 w*h=66564 count=617 time=3.002000 w*h=66564 count=684 time=3.001000 w*h=66564 count=984 time=3.001000 w*h=66564 count=675 time=3.003000 DRM_RADEON_TEXTURE: return = -14 offset=0xe9e0 image width=258 height=130 blit width=258 height=131 data=0x4506f200 [1]Exitcode 1./texdown -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug, or are watching the assignee. --- SF email is sponsored by - The IT Product Guide Read honest candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595alloc_id=14396op=click -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
[Bug 2516] some rasterization fallbacks cause segfaults
Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 --- Additional Comments From [EMAIL PROTECTED] 2005-03-12 16:30 --- (In reply to comment #7) but your fix isn't enough. Play around with 's', 'f' and 'b'. DRM_RADEON_TEXTURE: return = -14 offset=0xe9e0 image width=258 height=130 blit width=258 height=131 data=0x4506f200 I'll look at it, but I'm pretty sure this is a different problem (though related to the texture border raster fallback). When analyzing the segfaults I already noticed that the driver will attempt to upload textures with borders which will always cause a fallback to the gpu anyway, and wondered if it's actually safe to do that. Looks like that's not the case... -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug, or are watching the assignee. --- SF email is sponsored by - The IT Product Guide Read honest candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595alloc_id=14396op=click -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
[Bug 2516] some rasterization fallbacks cause segfaults
Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 --- Additional Comments From [EMAIL PROTECTED] 2005-03-09 15:06 --- Some more debugging showed the problem: When a rasterization fallback is hit, _tnl_need_projected_coords must be set to true. This indeed happens, however r200ChooseVertexState will get called later and this may set (depending on current vertex format) this to false again. When this is set to false this will cause VB-NdcPtr to be NULL (in t_vb_vertex.c, run_vertex_stage) which will in turn cause the VB-AttribPtr[VERT_ATTRIB_POS] to be NULL too (ss_context.c, _swsetup_RenderStart) -- boom. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug, or are watching the assignee. --- SF email is sponsored by - The IT Product Guide Read honest candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595alloc_id=14396op=click -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
[Bug 2516] some rasterization fallbacks cause segfaults
Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 --- Additional Comments From [EMAIL PROTECTED] 2005-03-09 15:11 --- Created an attachment (id=2067) -- (https://bugs.freedesktop.org/attachment.cgi?id=2067action=view) possible fix for rasterization fallbacks this patch fixes the segfaults (tested with gl-117 and texdown), however I'm not sure if it actually is really correct. I can't quite follow the command flow of the tnl pipeline, what should and what actually is executed, validated and what not is hard to understand. Someone with a more thourough understanding of the tnl pipeline care to comment? -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug, or are watching the assignee. --- SF email is sponsored by - The IT Product Guide Read honest candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595alloc_id=14396op=click -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
[Bug 2516] some rasterization fallbacks cause segfaults
Please do not reply to this email: if you want to comment on the bug, go to
the URL shown below and enter yourcomments there.
https://bugs.freedesktop.org/show_bug.cgi?id=2516
--- Additional Comments From [EMAIL PROTECTED] 2005-03-04 16:48 ---
Some more debugging info (still from texdown):
(gdb) print count
$13 = 3
(gdb) print ((TNLcontext *)ctx-swtnl_context)-clipspace-attr[0]
$14 = {attrib = 0, format = 6, vertoffset = 0, vertattrsize = 16,
inputptr = 0x8207b90 , inputstride = 16, insert = 0x3b0d0db0,
emit = 0x3afeb3a0 insert_4f_3, extract = 0x3afec7d0 extract_4f_viewport,
vp = 0x808cd90}
(gdb) print ((TNLcontext *)ctx-swtnl_context)-clipspace-attr[1]
$15 = {attrib = 3, format = 15, vertoffset = 144, vertattrsize = 4,
inputptr = 0x80614ec , inputstride = 0, insert = 0x3b0d0eac,
emit = 0x3afeb910 insert_4ub_4f_rgba_3,
extract = 0x3afec990 extract_4chan_4f_rgba, vp = 0x808cd90}
(gdb) print ((TNLcontext *)ctx-swtnl_context)-clipspace-attr[2]
$16 = {attrib = 8, format = 3, vertoffset = 16, vertattrsize = 16,
inputptr = 0x81f2954 , inputstride = 16, insert = 0x3b0d0d5c,
emit = 0x3afeb4b0 insert_2f_2, extract = 0x3afec8a0 extract_4f, vp =
0x808cd90}
(gdb) print VB-AttribPtr
$17 = {0x0, 0x81f69ec, 0x81f6a08, 0x81f6a24, 0x81f6a40, 0x81f6a5c, 0x81f6a78,
0x81f6a94, 0x81f6ab0, 0x81f6acc, 0x81f6ae8, 0x81f6b04, 0x81f6b20, 0x81f6b3c,
0x81f6b58, 0x81f6b74, 0x81f6b90, 0x81f6bac, 0x81f6bc8, 0x81f6be4, 0x81f6c00,
0x81f6c1c, 0x81f6c38, 0x81f6c54, 0x81f6c70, 0x81f6c8c, 0x81f6ca8, 0x81f6cc4,
0x81f6ce0, 0x0, 0x0}
So, the first pointer (for attrib 0 (position)) is the NULL pointer leading to
the segfault, the other ones (attrib 3 (color0), attrib 8 (tex0)) look rather
reasonable (?). Unfortunately I'm no tnl wizard...
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[Bug 2516] some rasterization fallbacks cause segfaults
Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 [EMAIL PROTECTED] changed: What|Removed |Added Summary|texture border cause|some rasterization fallbacks |segfaults |cause segfaults --- Additional Comments From [EMAIL PROTECTED] 2005-02-09 17:57 --- Some more digging found this is not only related to texture borders, other rasterization fallbacks suffer from that as well (easily tested with texenv, just changed one of the texture wrap modes to GL_CLAMP_TO_BORDER which causes a rast fallback). Summary changed accordingly. It reaches the r200Fallback path just fine, and then strangely later dies in _tnl_run_pipeline called from r200WrapRunPipeline. -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug, or are watching the assignee. --- SF email is sponsored by - The IT Product Guide Read honest candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595alloc_id=14396op=click -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
[Bug 2516] some rasterization fallbacks cause segfaults
Please do not reply to this email: if you want to comment on the bug, go to the URL shown below and enter yourcomments there. https://bugs.freedesktop.org/show_bug.cgi?id=2516 --- Additional Comments From [EMAIL PROTECTED] 2005-02-09 18:29 --- Simply calling UNLOCK_HARDWARE in r200SpanRenderStart was all that was needed to get this locally debuggable. That said, I have no idea what is going on... Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 988616000 (LWP 8096)] _tnl_build_vertices (ctx=0x8060990, start=0, end=0, newinputs=0) at tnl/t_vertex.c:1379 1379 a[j].inputstride = vptr-stride; (gdb) bt #0 _tnl_build_vertices (ctx=0x8060990, start=0, end=0, newinputs=0) at tnl/t_vertex.c:1379 #1 0x3afb4fe3 in run_render (ctx=0x8060990, stage=0x0) at tnl/t_vb_render.c:296 #2 0x3afa5fde in _tnl_run_pipeline (ctx=0x8060990) at tnl/t_pipeline.c:159 #3 0x3af2a92f in r200WrapRunPipeline (ctx=0x8060990) at r200_state.c:2316 #4 0x3afc340a in _tnl_flush_vtx (ctx=0x8060990) at tnl/t_vtx_exec.c:282 #5 0x3afbe8a8 in _tnl_FlushVertices (ctx=0x8060990, flags=1) at tnl/t_vtx_api.c:838 #6 0x3af3ca4c in r200FlushVertices (ctx=0x8060990, flags=1) at r200_swtcl.c:906 #7 0x3af8d6af in _mesa_TexImage2D (target=3553, level=0, internalFormat=6407, width=258, height=258, border=1, format=6407, type=5121, pixels=0x41180008) at main/teximage.c:2096 #8 0x08049321 in MeasureDownloadRate () at texdown.c:163 #9 0x080495b2 in Display () at texdown.c:256 #10 0x3aaeafa1 in fghcbDisplayWindow () from /usr/lib/libglut.so.3 #11 0x3aaee36a in fgEnumWindows () from /usr/lib/libglut.so.3 #12 0x3aaeb2ef in glutMainLoopEvent () from /usr/lib/libglut.so.3 #13 0x3aaebbf5 in glutMainLoop () from /usr/lib/libglut.so.3 #14 0x0804999c in main (argc=1, argv=0xa1c4) at texdown.c:384 -- Configure bugmail: https://bugs.freedesktop.org/userprefs.cgi?tab=email --- You are receiving this mail because: --- You are the assignee for the bug, or are watching the assignee. --- SF email is sponsored by - The IT Product Guide Read honest candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595alloc_id=14396op=click -- ___ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
