[Bug 108315] [CI][BAT] icl incomplete - GEM_BUG_ON(!i915_request_completed(rq)) / GEM_BUG_ON(buf[2 * head + 1] != port->context_id) HSDES#:1806554093

Tue Dec 11 05:19:04 UTC 2018

https://bugs.freedesktop.org/show_bug.cgi?id=108315

--- Comment #31 from Francesco Balestrieri <francesco.balestrieri at intel.com> ---
CI buglog seems to report another occurrence:

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_5293/shard-iclb7/igt@runner@aborted.html

<3>[ 2834.229599] process_csb:994 GEM_BUG_ON(!i915_request_completed(rq))
<4>[ 2834.229748] ------------[ cut here ]------------
<2>[ 2834.229750] kernel BUG at drivers/gpu/drm/i915/intel_lrc.c:994!
<4>[ 2834.229774] invalid opcode: 0000 [#1] PREEMPT SMP PTI
<4>[ 2834.229782] CPU: 2 PID: 13552 Comm: i915_selftest Tainted: G     U       
    4.20.0-rc5-CI-CI_DRM_5293+ #1
<4>[ 2834.229793] Hardware name: Intel Corporation Ice Lake Client
Platform/IceLake U DDR4 SODIMM PD RVP, BIOS ICLSFWR1.R00.2402.AD3.1810170014
10/17/2018
<4>[ 2834.229859] RIP: 0010:process_csb+0x248/0x7a0 [i915]
<4>[ 2834.229868] Code: 17 fd ee e0 48 8b 35 bf ac 1a 00 49 c7 c0 c9 d3 2f a0
b9 e2 03 00 00 48 c7 c2 e0 29 2e a0 48 c7 c7 63 d1 20 a0 e8 88 83 f5 e0 <0f> 0b
49 8b 96 a8 00 00 00 48 8b 92 c0 02 00 00 8b 92 c0 00 00 00
<4>[ 2834.229890] RSP: 0018:ffffc9000037f760 EFLAGS: 00010086
<4>[ 2834.229899] RAX: 000000000000000b RBX: ffff8884954b2158 RCX:
0000000000000000
<4>[ 2834.229910] RDX: 0000000000000001 RSI: 0000000000000008 RDI:
ffff8884ae26f4e8
<4>[ 2834.229919] RBP: ffffc9000037f7c8 R08: 00000000006fd9b9 R09:
ffff8884ae3fa000
<4>[ 2834.229927] R10: 0000000000000000 R11: ffff8884ae26f4e8 R12:
ffff8884a1d1906c
<4>[ 2834.229936] R13: 0000000000000005 R14: ffff88839fd31b40 R15:
ffff8884a1d19040
<4>[ 2834.229945] FS:  00007f45b47cb980(0000) GS:ffff8884afe80000(0000)
knlGS:0000000000000000
<4>[ 2834.229956] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4>[ 2834.229963] CR2: 00007fe9badb6100 CR3: 00000003e90ae001 CR4:
0000000000760ee0
<4>[ 2834.229972] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
<4>[ 2834.229981] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
<4>[ 2834.229989] PKRU: 55555554
<4>[ 2834.229994] Call Trace:
<4>[ 2834.230045]  execlists_reset_prepare+0x54/0x150 [i915]
<4>[ 2834.230098]  i915_gem_reset_prepare_engine+0x20/0x40 [i915]
<4>[ 2834.230144]  i915_gem_reset_prepare+0x2c/0x70 [i915]
<4>[ 2834.230194]  ? i915_request_wait+0x16d/0x840 [i915]
<4>[ 2834.230241]  i915_reset+0x117/0x280 [i915]
<4>[ 2834.230286]  __i915_wait_request_check_and_reset.isra.8+0x44/0x50 [i915]
<4>[ 2834.230329]  i915_request_wait+0x4fd/0x840 [i915]
<4>[ 2834.230340]  ? lock_acquire+0xa6/0x1c0
<4>[ 2834.230347]  ? wake_up_q+0x70/0x70
<4>[ 2834.230354]  ? wake_up_q+0x70/0x70
<4>[ 2834.230399]  i915_gem_object_wait_fence+0x8a/0x110 [i915]
<4>[ 2834.230440]  i915_gem_object_wait+0x2d0/0x500 [i915]
<4>[ 2834.230482]  i915_gem_object_set_to_cpu_domain+0x35/0x130 [i915]
<4>[ 2834.230528]  igt_vm_isolation+0xb1f/0xfe0 [i915]
<4>[ 2834.230591]  __i915_subtests+0x5e/0xf0 [i915]
<4>[ 2834.230647]  __run_selftests+0x10b/0x190 [i915]
<4>[ 2834.230696]  i915_live_selftests+0x2c/0x60 [i915]
<4>[ 2834.230743]  i915_pci_probe+0x50/0xa0 [i915]
<4>[ 2834.230752]  pci_device_probe+0xa1/0x130
<4>[ 2834.230761]  really_probe+0xf3/0x3e0
<4>[ 2834.230769]  driver_probe_device+0x10a/0x120
<4>[ 2834.230777]  __driver_attach+0xdb/0x100
<4>[ 2834.230784]  ? driver_probe_device+0x120/0x120
<4>[ 2834.230791]  ? driver_probe_device+0x120/0x120
<4>[ 2834.230799]  bus_for_each_dev+0x74/0xc0
<4>[ 2834.230806]  bus_add_driver+0x15f/0x250
<4>[ 2834.230813]  ? 0xffffffffa06d1000
<4>[ 2834.230819]  driver_register+0x56/0xe0
<4>[ 2834.230826]  ? 0xffffffffa06d1000
<4>[ 2834.230833]  do_one_initcall+0x58/0x2e0
<4>[ 2834.230841]  ? do_init_module+0x1d/0x1ea
<4>[ 2834.230849]  ? rcu_read_lock_sched_held+0x6f/0x80
<4>[ 2834.230857]  ? kmem_cache_alloc_trace+0x264/0x290
<4>[ 2834.230866]  do_init_module+0x56/0x1ea
<4>[ 2834.230874]  load_module+0x227a/0x29c0
<4>[ 2834.230887]  ? __se_sys_finit_module+0xd3/0xf0
<4>[ 2834.230895]  __se_sys_finit_module+0xd3/0xf0
<4>[ 2834.230908]  do_syscall_64+0x55/0x190
<4>[ 2834.230929]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4>[ 2834.230939] RIP: 0033:0x7f45b4093839
<4>[ 2834.230946] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48
89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d
01 f0 ff ff 73 01 c3 48 8b 0d 1f f6 2c 00 f7 d8 64 89 01 48
<4>[ 2834.230966] RSP: 002b:00007ffc71a34958 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
<4>[ 2834.230979] RAX: ffffffffffffffda RBX: 0000555ebf178bb0 RCX:
00007f45b4093839
<4>[ 2834.230987] RDX: 0000000000000000 RSI: 0000555ebf179950 RDI:
0000000000000006
<4>[ 2834.230995] RBP: 0000555ebf179950 R08: 0000000000000004 R09:
0000000000000000
<4>[ 2834.231004] R10: 00007ffc71a34ad0 R11: 0000000000000246 R12:
0000000000000000
<4>[ 2834.231012] R13: 0000555ebf16fc00 R14: 0000000000000020 R15:
000000000000003c

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