[Bug 66249] New: Assertion hit when using composition manager with > 8k windows and debug=full [SNA]

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66249

          Priority: medium
            Bug ID: 66249
          Assignee: chris at chris-wilson.co.uk
           Summary: Assertion hit when using composition manager with > 8k
                    windows and debug=full [SNA]
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: linuxhippy at gmail.com
          Hardware: Other
            Status: NEW
           Version: git
         Component: Driver/intel
           Product: xorg

Sorry, couldn't resist ;)

Debug log is available at:
https://mega.co.nz/#!V1UzEJ4B!KVGkijX05cXxVnCQ2bwWch4WPWswOeT6lf850NIweJ8


Program received signal SIGABRT, Aborted.
0x00000035b9e35819 in __GI_raise (sig=sig at entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
56      return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
(gdb) bt
#0  0x00000035b9e35819 in __GI_raise (sig=sig at entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00000035b9e36f28 in __GI_abort () at abort.c:90
#2  0x00000035b9e2e7f6 in __assert_fail_base (fmt=0x35b9f7d2e8 "%s%s%s:%u:
%s%sAssertion `%s' failed.\n%n", 
    assertion=assertion at entry=0x7f6e124cb2b8 "!too_large(op->dst.width,
op->dst.height)", 
    file=file at entry=0x7f6e124cb1d5 "gen6_render.c", line=line at entry=685, 
    function=function at entry=0x7f6e124cc200 <__PRETTY_FUNCTION__.25122>
"gen6_emit_drawing_rectangle") at assert.c:92
#3  0x00000035b9e2e8a2 in __GI___assert_fail (assertion=0x7f6e124cb2b8
"!too_large(op->dst.width, op->dst.height)", 
    file=0x7f6e124cb1d5 "gen6_render.c", line=685, 
    function=0x7f6e124cc200 <__PRETTY_FUNCTION__.25122>
"gen6_emit_drawing_rectangle") at assert.c:101
#4  0x00007f6e1245552d in gen6_emit_drawing_rectangle (sna=0x7f6e10ac9000,
op=0x7fff301b3e10) at gen6_render.c:685
#5  0x00007f6e12455b46 in gen6_emit_state (sna=0x7f6e10ac9000,
op=0x7fff301b3e10, wm_binding_table=65520)
    at gen6_render.c:875
#6  0x00007f6e12456d6f in gen6_emit_composite_state (sna=0x7f6e10ac9000,
op=0x7fff301b3e10) at gen6_render.c:1300
#7  0x00007f6e12459d1f in gen6_render_composite (sna=0x7f6e10ac9000, op=3
'\003', src=0x1753900, mask=0x1603440, 
    dst=0x174e440, src_x=0, src_y=-10, msk_x=0, msk_y=0, dst_x=5489, dst_y=718,
width=99, height=13, tmp=0x7fff301b3e10)
    at gen6_render.c:2308
#8  0x00007f6e123c68cb in sna_composite (op=3 '\003', src=0x1753900,
mask=0x1603440, dst=0x174e440, src_x=0, src_y=-10, 
    mask_x=0, mask_y=0, dst_x=7, dst_y=6, width=99, height=13) at
sna_composite.c:638
#9  0x00007f6e123de625 in glyphs_via_mask (sna=0x7f6e10ac9000, op=3 '\003',
src=0x1753900, dst=0x174e440, format=0x10c6548, 
    src_x=0, src_y=-10, nlist=0, list=0x7fff301b6520, glyphs=0x7fff301b6990) at
sna_glyphs.c:1179
#10 0x00007f6e123e0069 in sna_glyphs (op=3 '\003', src=0x1753900,
dst=0x174e440, mask=0x10c6548, src_x=0, src_y=0, nlist=1, 
    list=0x7fff301b6510, glyphs=0x7fff301b6910) at sna_glyphs.c:1721
#11 0x00000000005204e6 in damageGlyphs (op=<optimized out>, pSrc=0x1753900,
pDst=0x174e440, maskFormat=0x0, 
    xSrc=<optimized out>, ySrc=<optimized out>, nlist=1, list=0x7fff301b6510,
glyphs=0x7fff301b6910) at damage.c:629
#12 0x000000000051a09e in ProcRenderCompositeGlyphs (client=0x167aa60) at
render.c:1390
#13 0x0000000000436df7 in Dispatch () at dispatch.c:432
#14 0x00000000004263fa in main (argc=8, argv=0x7fff301b72f8, envp=<optimized
out>) at main.c:298

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