http://bugs.freedesktop.org/show_bug.cgi?id=16028
Summary: seg fault when rendermode is GL_SELECT
Product: Mesa
Version: CVS
Platform: x86 (IA32)
OS/Version: Linux (All)
Status: NEW
Severity: major
Priority: medium
Component: Drivers/DRI/i965
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
CC: [email protected]
Created an attachment (id=16636)
--> (http://bugs.freedesktop.org/attachment.cgi?id=16636)
test case
When rendermode is GL_SELECT, rendering will cause seg fault.
Following is the bt info when run attached test case:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 140102002145024 (LWP 3815)]
0x00007f6c09be8c65 in brw_prepare_vertices (brw=0x613150, min_index=0,
max_index=0) at brw_draw_upload.c:314
314 GLuint tmp = brw->vs.prog_data->inputs_read;
(gdb) bt
#0 0x00007f6c09be8c65 in brw_prepare_vertices (brw=0x613150, min_index=0,
max_index=0) at brw_draw_upload.c:314
#1 0x00007f6c09be846e in brw_draw_prims (ctx=0x613150, arrays=0x64f870,
prim=0x64e054, nr_prims=1, ib=0x0, min_index=0, max_index=0)
at brw_draw.c:330
#2 0x00007f6c09c9185e in vbo_exec_vtx_flush (exec=0x64de10)
at vbo/vbo_exec_draw.c:215
#3 0x00007f6c09c8ca4b in vbo_exec_FlushVertices (ctx=<value optimized out>,
flags=<value optimized out>) at vbo/vbo_exec_api.c:700
#4 0x00007f6c09c1365e in _mesa_Flush () at main/context.c:1764
#5 0x0000000000400c2f in test () at select.c:33
#6 0x0000000000400ca8 in display () at select.c:45
#7 0x00007f6c0b3d8b07 in processWindowWorkList (window=0x608250)
at glut_event.c:1306
#8 0x00007f6c0b3d9776 in glutMainLoop () at glut_event.c:1353
#9 0x0000000000400d0e in main (argc=1, argv=0x7fff13888f88) at test.c:57
The regression is introduced by commit:
commit 008653ac55776d6b1c6d1627ad20937aa1c4dbda
Author: Dave Airlie <[EMAIL PROTECTED]>
Date: Thu Apr 17 17:17:23 2008 +1000
i965: initial attempt at fixing the aperture overflow
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