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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [CI][BAT] icl incomplete - GEM_BUG_ON(!i915_request_completed(rq)) / GEM_BUG_ON(buf[2 * head + 1] != port->context_id) HSDES#:1806554093"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108315#c25">Comment # 25</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [CI][BAT] icl incomplete - GEM_BUG_ON(!i915_request_completed(rq)) / GEM_BUG_ON(buf[2 * head + 1] != port->context_id) HSDES#:1806554093"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108315">bug 108315</a>
from <span class="vcard"><a class="email" href="mailto:lakshminarayana.vudum@intel.com" title="Lakshmi <lakshminarayana.vudum@intel.com>"> <span class="fn">Lakshmi</span></a>
</span></b>
<pre>Francesco, this issue is seen again, this needs to be investigated by
appropriate team.
<a href="https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_144/fi-icl-u/igt@gem_exec_schedule@wide-render.html">https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_144/fi-icl-u/igt@gem_exec_schedule@wide-render.html</a>
Dmesg-Warnings
<2> [271.860952] kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:965!
Dmesg
<6> [266.023718] Console: switching to colour dummy device 80x25
<6> [266.023776] [IGT] gem_exec_schedule: executing
<5> [266.032416] Setting dangerous option reset - tainting kernel
<5> [266.040641] Setting dangerous option reset - tainting kernel
<5> [266.040945] Setting dangerous option reset - tainting kernel
<6> [266.044643] [IGT] gem_exec_schedule: starting subtest wide-render
<7> [266.045729] [drm:vgem_gem_dumb_create [vgem]] Created object of size 1
<7> [266.103938] [drm:vgem_gem_dumb_create [vgem]] Created object of size 1
<3> [271.860814] process_csb:965 GEM_BUG_ON(buf[2 * head + 1] !=
port->context_id)
<4> [271.860950] ------------[ cut here ]------------
<2> [271.860952] kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:965!
<4> [271.860972] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<4> [271.860979] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G U
4.20.0-rc2-g2ba924da1cb3-drmtip_144+ #1
<4> [271.860989] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.2402.AD3.1810170014
10/17/2018
<4> [271.861040] RIP: 0010:process_csb+0x5c6/0x790 [i915]
<4> [271.861047] Code: d9 19 c7 d6 48 8b 35 21 2c 1a 00 49 c7 c0 00 7d 59 c0 b9
c5 03 00 00 48 c7 c2 b0 f8 55 c0 48 c7 c7 a1 f2 48 c0 e8 7a a0 cd d6 <0f> 0b 48
c7 c1 b8 9a 57 c0 ba c7 03 00 00 48 c7 c6 b0 f8 55 c0 48
<4> [271.861062] RSP: 0018:ffff9b34efe03e20 EFLAGS: 00010082
<4> [271.861069] RAX: 000000000000000e RBX: ffff9b34da5042a8 RCX:
0000000000000000</pre>
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