[Bug 111935] New: [CI][SHARDS : igt at i915_selftest@mock_timelines - incomplete - BUG: kernel NULL pointer dereference, address: 0000000000000008

Tue Oct 8 22:09:13 UTC 2019

https://bugs.freedesktop.org/show_bug.cgi?id=111935

            Bug ID: 111935
           Summary: [CI][SHARDS : igt at i915_selftest@mock_timelines -
                    incomplete - BUG: kernel NULL pointer dereference,
                    address: 0000000000000008
           Product: DRI
           Version: DRI git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: not set
          Priority: not set
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: lakshminarayana.vudum at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5218/shard-tglb1/igt@i915_selftest@mock_timelines.html

<6> [67.371649] [IGT] i915_selftest: executing
<6> [67.376496] [IGT] i915_selftest: starting subtest mock_timelines
<5> [67.432111] Setting dangerous option mock_selftests - tainting kernel
<6> [67.454894] i915: Performing mock selftests with st_random_seed=0x1b219713
st_timeout=1000
<6> [67.454897] i915: Running timelines
<6> [67.454905] i915: Running intel_timeline_mock_selftests/mock_hwsp_freelist
<7> [67.455382]  mock: [drm:intel_uc_init_early [i915]] enable_guc=0 (guc:no
submission:no huc:no)
<1> [67.455979] BUG: kernel NULL pointer dereference, address: 0000000000000008
<1> [67.455993] #PF: supervisor read access in kernel mode
<1> [67.456001] #PF: error_code(0x0000) - not-present page
<6> [67.456008] PGD 0 P4D 0 
<4> [67.456014] Oops: 0000 [#1] PREEMPT SMP NOPTI
<4> [67.456022] CPU: 3 PID: 1294 Comm: i915_selftest Tainted: G     U          
 5.4.0-rc2-CI-CI_DRM_7033+ #1
<4> [67.456033] Hardware name: Intel Corporation Tiger Lake Client
Platform/TigerLake U DDR4 SODIMM RVP, BIOS TGLSFWI1.R00.2321.A08.1909162051
09/16/2019
<4> [67.456112] RIP: 0010:__intel_runtime_pm_get+0x5/0x60 [i915]
<4> [67.456120] Code: c7 c7 e0 eb 25 a0 c6 05 e1 67 27 00 01 e8 d3 da fe e0 0f
0b e9 47 ff ff ff 66 90 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 fb <48> 8b 7f
08 89 f5 be 04 00 00 00 e8 4b 23 5e e1 85 c0 78 16 48 89
<4> [67.456140] RSP: 0018:ffffc90000453a30 EFLAGS: 00010246
<4> [67.456150] RAX: ffff8884911416f8 RBX: 0000000000000000 RCX:
0000000000000001
<4> [67.456159] RDX: 0000000000000000 RSI: 0000000000000001 RDI:
0000000000000000
<4> [67.456168] RBP: 0000000000000000 R08: 0000000000000084 R09:
ffffffff82209ac0
<4> [67.456176] R10: 0000000000000000 R11: 0000000000000000 R12:
ffff88848ffa00c8
<4> [67.456185] R13: ffff888491140978 R14: 0000000000000000 R15:
0000000000000000
<4> [67.456194] FS:  00007f1a7c41a300(0000) GS:ffff8884a0580000(0000)
knlGS:0000000000000000
<4> [67.456204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [67.456212] CR2: 0000000000000008 CR3: 000000048bfb6004 CR4:
0000000000760ee0
<4> [67.456221] PKRU: 55555554
<4> [67.456226] Call Trace:
<4> [67.456287]  __intel_context_do_pin+0x51/0x180 [i915]
<4> [67.456341]  create_kernel_context+0x66/0xa0 [i915]
<4> [67.456392]  mock_engine_init+0x37/0x60 [i915]
<4> [67.456463]  mock_gem_device+0x224/0x310 [i915]
<4> [67.456526]  mock_hwsp_freelist+0xf6/0x450 [i915]
<4> [67.456539]  ? __trace_bprintk+0x57/0x80
<4> [67.456614]  ? __i915_subtests+0xb8/0x210 [i915]
<4> [67.456680]  __i915_subtests+0xb8/0x210 [i915]
<4> [67.456751]  ? i915_live_selftests+0x60/0x60 [i915]
<4> [67.456830]  ? __i915_nop_setup+0x10/0x10 [i915]
<4> [67.456895]  __run_selftests+0x134/0x170 [i915]
<4> [67.456903]  ? 0xffffffffa03ba000
<4> [67.456963]  i915_mock_selftests+0x27/0x50 [i915]
<4> [67.457024]  i915_init+0x12/0x73 [i915]
<4> [67.457031]  ? 0xffffffffa03ba000
<4> [67.457038]  do_one_initcall+0x58/0x2ff
<4> [67.457047]  ? rcu_read_lock_sched_held+0x4d/0x80
<4> [67.457056]  ? kmem_cache_alloc_trace+0x290/0x2c0
<4> [67.457066]  do_init_module+0x56/0x1f8
<4> [67.457074]  load_module+0x243e/0x29f0
<4> [67.457089]  ? __do_sys_finit_module+0xe9/0x110
<4> [67.457097]  __do_sys_finit_module+0xe9/0x110
<4> [67.457108]  do_syscall_64+0x4f/0x210
<4> [67.457121]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [67.457130] RIP: 0033:0x7f1a7bad0839
<4> [67.457137] 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> [67.457160] RSP: 002b:00007ffe77da1958 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
<4> [67.457171] RAX: ffffffffffffffda RBX: 00005630f125bd70 RCX:
00007f1a7bad0839
<4> [67.457180] RDX: 0000000000000000 RSI: 00005630f1265c30 RDI:
0000000000000006
<4> [67.457190] RBP: 00005630f1265c30 R08: 0000000000000004 R09:
00005630f125f4d0
<4> [67.457199] R10: 00007ffe77da1aa0 R11: 0000000000000246 R12:
0000000000000000
<4> [67.457209] R13: 00005630f1258000 R14: 0000000000000020 R15:
0000000000000048
<4> [67.457222] Modules linked in: i915(+) mei_hdcp x86_pkg_temp_thermal
coretemp crct10dif_pclmul crc32_pclmul ax88179_178a usbnet mii
ghash_clmulni_intel mei_me mei prime_numbers [last unloaded: i915]

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