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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#c23">Comment # 23</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:martin.peres@free.fr" title="Martin Peres <martin.peres@free.fr>"> <span class="fn">Martin Peres</span></a>
</span></b>
<pre><a href="https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_10758/fi-icl-u/igt@gem_exec_nop@basic-parallel.html">https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_10758/fi-icl-u/igt@gem_exec_nop@basic-parallel.html</a>
<6> [106.068733] [IGT] gem_exec_nop: starting subtest basic-parallel
<3> [106.599535] execlists_submit_ports:434 GEM_BUG_ON(count > !n)
<4> [106.599652] ------------[ cut here ]------------
<2> [106.599655] kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:434!
<4> [106.599681] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<4> [106.599690] CPU: 2 PID: 1221 Comm: gem_exec_nop Tainted: G U W
4.20.0-rc1-CI-Patchwork_10758+ #1
<4> [106.599702] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.2402.AD3.1810170014
10/17/2018
<4> [106.599768] RIP: 0010:__execlists_submission_tasklet+0xa72/0xc20 [i915]
<4> [106.599778] Code: bd b1 ef e0 48 8b 35 75 00 1a 00 49 c7 c0 f3 99 2e a0 b9
b2 01 00 00 48 c7 c2 10 f7 2c a0 48 c7 c7 cd 0f 20 a0 e8 0e 38 f6 e0 <0f> 0b 48
c7 c1 30 7c 30 a0 ba f3 01 00 00 48 c7 c6 50 f7 2c a0 48
<4> [106.599798] RSP: 0018:ffffc9000088f948 EFLAGS: 00010086
<4> [106.599806] RAX: 000000000000000a RBX: ffff8804a5e00480 RCX:
0000000000000000
<4> [106.599815] RDX: 0000000000000001 RSI: 0000000000000008 RDI:
ffff8804ae26f4e8
<4> [106.599824] RBP: ffffc9000088f9a8 R08: 00000000002497c4 R09:
ffff8804ae3fb000
<4> [106.599833] R10: 0000000000000000 R11: ffff8804ae26f4e8 R12:
ffff8803e82b70c0
<4> [106.599842] R13: 0000000000000000 R14: ffff8804a5e00480 R15:
ffff8804a5e00008
<4> [106.599851] FS: 00007f0e444d2980(0000) GS:ffff8804afe80000(0000)
knlGS:0000000000000000
<4> [106.599861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [106.599869] CR2: 0000557f2fa10920 CR3: 00000004aa93a002 CR4:
0000000000760ee0
<4> [106.599878] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4> [106.599887] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4> [106.599896] PKRU: 55555554
<4> [106.599901] Call Trace:
<4> [106.599947] execlists_submit_request+0x181/0x190 [i915]
<4> [106.599991] submit_notify+0x8d/0x124 [i915]
<4> [106.600023] __i915_sw_fence_complete+0x81/0x250 [i915]
<4> [106.600065] i915_request_add+0x36b/0x7e0 [i915]
<4> [106.600103] i915_gem_do_execbuffer+0x94f/0x1580 [i915]
<4> [106.600114] ? deactivate_slab.isra.26+0x74b/0x7a0
<4> [106.600126] ? ___slab_alloc.constprop.34+0x21c/0x380
<4> [106.600134] ? ___slab_alloc.constprop.34+0x21c/0x380
<4> [106.600168] ? i915_gem_execbuffer2_ioctl+0xc4/0x3f0 [i915]
<4> [106.600185] ? lock_acquire+0xa6/0x1c0
<4> [106.600193] ? __might_fault+0x38/0x90
<4> [106.600228] ? i915_gem_execbuffer_ioctl+0x300/0x300 [i915]
<4> [106.600262] i915_gem_execbuffer2_ioctl+0x21b/0x3f0 [i915]
<4> [106.600296] ? i915_gem_execbuffer_ioctl+0x300/0x300 [i915]
<4> [106.600307] drm_ioctl_kernel+0x81/0xf0
<4> [106.600315] drm_ioctl+0x2de/0x390
<4> [106.600347] ? i915_gem_execbuffer_ioctl+0x300/0x300 [i915]
<4> [106.600358] ? trace_hardirqs_on_thunk+0x1a/0x1c
<4> [106.600365] ? lockdep_hardirqs_on+0xe0/0x1b0
<4> [106.600373] ? trace_hardirqs_on_thunk+0x1a/0x1c
<4> [106.600382] do_vfs_ioctl+0xa0/0x6e0
<4> [106.600390] ? retint_kernel+0x2d/0x2d
<4> [106.600399] ksys_ioctl+0x35/0x60
<4> [106.600406] __x64_sys_ioctl+0x11/0x20
<4> [106.600412] do_syscall_64+0x55/0x190
<4> [106.600420] entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [106.600428] RIP: 0033:0x7f0e4375e5d7
<4> [106.600434] Code: b3 66 90 48 8b 05 b1 48 2d 00 64 c7 00 26 00 00 00 48 c7
c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 b8 10 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 81 48 2d 00 f7 d8 64 89 01 48
<4> [106.600455] RSP: 002b:00007ffd0caf68c8 EFLAGS: 00000246 ORIG_RAX:
0000000000000010
<4> [106.600465] RAX: ffffffffffffffda RBX: 0000000000000000 RCX:
00007f0e4375e5d7
<4> [106.600474] RDX: 00007ffd0caf6a00 RSI: 0000000040406469 RDI:
0000000000000005
<4> [106.600483] RBP: 00007ffd0caf6a00 R08: 00007ffd0cb090b0 R09:
00007ffd0cb09080
<4> [106.600492] R10: 000000000002116c R11: 0000000000000246 R12:
0000000040406469
<4> [106.600501] R13: 0000000000000005 R14: 0000000000000000 R15:
0000000000000000
<4> [106.600513] Modules linked in: vgem snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic i915 x86_pkg_temp_thermal
ax88179_178a coretemp usbnet mii crct10dif_pclmul snd_hda_intel snd_hda_codec
crc32_pclmul snd_hwdep snd_hda_core ghash_clmulni_intel snd_pcm e1000e
prime_numbers</pre>
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