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<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [BYT, HSW, SKL, BXT, KBL] GPU hangs with GfxBench 4.0 CarChase"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96743#c48">Comment # 48</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [BYT, HSW, SKL, BXT, KBL] GPU hangs with GfxBench 4.0 CarChase"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96743">bug 96743</a>
from <span class="vcard"><a class="email" href="mailto:topi.pohjolainen@intel.com" title="Topi Pohjolainen <topi.pohjolainen@intel.com>"> <span class="fn">Topi Pohjolainen</span></a>
</span></b>
<pre>While I attempted to catch the invalid instruction earlier under debugger I
co-incidentally managed to get:
#17 0x00007ffff650a415 in do_flush_locked (out_fence_fd=<optimized out>,
in_fence_fd=<optimized out>, brw=<optimized out>)
at intel_batchbuffer.c:702
#18 _intel_batchbuffer_flush_fence (brw=<optimized out>,
in_fence_fd=<optimized out>, out_fence_fd=<optimized out>,
file=<optimized out>, line=<optimized out>) at intel_batchbuffer.c:789
#19 0x00007ffff650a519 in intel_batchbuffer_require_space (
brw=brw@entry=0x7ffff60cb040, sz=32, ring=ring@entry=BLT_RING)
at intel_batchbuffer.c:237
#20 0x00007ffff650b8d1 in intelEmitCopyBlit (brw=brw@entry=0x7ffff60cb040,
cpp=cpp@entry=1, src_pitch=src_pitch@entry=384,
src_buffer=src_buffer@entry=0x7ffff000f6a0, src_offset=src_offset@entry=0,
src_tiling=src_tiling@entry=ISL_TILING_LINEAR, dst_pitch=384,
dst_buffer=0x7fffdc5cdcd0, dst_offset=0, dst_tiling=ISL_TILING_LINEAR,
src_x=0, src_y=0, dst_x=0, dst_y=0, w=384, h=1, logic_op=5379)
at intel_blit.c:527
#21 0x00007ffff650d580 in intel_emit_linear_blit (
brw=brw@entry=0x7ffff60cb040, dst_bo=0x7fffdc5cdcd0,
dst_offset=dst_offset@entry=0, src_bo=src_bo@entry=0x7ffff000f6a0,
src_offset=src_offset@entry=0, size=size@entry=384) at intel_blit.c:729
#22 0x00007ffff650e00f in brw_buffer_subdata (ctx=0x7ffff60cb040, offset=0,
size=384, data=0x7fffdc5dc810, obj=0x7ffff21988d0)
at intel_buffer_objects.c:297
#23 0x00007ffff6c9a9c7 in ?? ()
from
/home/tpohjola/work/benchmarks/gfxbench_gl-4.0.0/plugins/libgfxbench40_gl.so
In do_flush_locked() one called execbuffer() which via drmIoctl() resulted into
errno 5 (I/O error).</pre>
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