igt@i915_selftest@mock_sanitycheck - dmesg-warn - Memory manager not clean during takedown, WARNING: CPU: \d PID: \d+ at drivers/gpu/drm/drm_mm.c:\d+ drm_mm_takedown
https://intel-gfx-ci.01.org/tree/drm-tip/IGT_5335/shard-kbl6/igt@i915_selftest@mock_sanitycheck.html
<4> [1988.046052] Memory manager not clean during takedown.
<4> [1988.046065] WARNING: CPU: 1 PID: 9964 at drivers/gpu/drm/drm_mm.c:946 drm_mm_takedown+0x51/0x100
<4> [1988.046073] Modules linked in: vgem snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic i915(-) mei_hdcp x86_pkg_temp_thermal coretemp snd_intel_dspcfg btusb btrtl btbcm crct10dif_pclmul btintel snd_hda_codec crc32_pclmul bluetooth snd_hwdep snd_hda_core ecdh_generic ghash_clmulni_intel ecc snd_pcm e1000e mei_me mei ptp pps_core prime_numbers [last unloaded: snd_hda_intel]
<4> [1988.046108] CPU: 1 PID: 9964 Comm: i915_selftest Tainted: G U 5.4.0-rc8-CI-CI_DRM_7502+ #1
<4> [1988.046116] Hardware name: /NUC7i5BNB, BIOS BNKBL357.86A.0054.2017.1025.1822 10/25/2017
<4> [1988.046123] RIP: 0010:drm_mm_takedown+0x51/0x100
<4> [1988.046128] Code: 44 24 08 65 48 33 04 25 28 00 00 00 0f 85 b6 00 00 00 48 83 c4 10 5b 5d 41 5c c3 48 89 fb 48 c7 c7 e8 e4 10 82 e8 7f 26 a4 ff <0f> 0b 48 8b 3d d6 6d af 00 ba 00 10 00 00 be c0 0c 00 00 e8 d7 37
<4> [1988.046142] RSP: 0018:ffffc90000c17de0 EFLAGS: 00010286
<4> [1988.046147] RAX: 0000000000000000 RBX: ffff88826cd82038 RCX: 0000000000000001
<4> [1988.046154] RDX: 0000000080000001 RSI: 0000000000000000 RDI: 00000000ffffffff
<4> [1988.046159] RBP: ffff88826cd82070 R08: 0000000000000000 R09: 0000000000000001
<4> [1988.046166] R10: 0000000000000000 R11: ffffc90000c17c80 R12: ffffffffa08eb1e0
<4> [1988.046171] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa08eb2d8
<4> [1988.046178] FS: 00007f5b5fa4fe40(0000) GS:ffff888276a80000(0000) knlGS:0000000000000000
<4> [1988.046185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [1988.046190] CR2: 000055ac31afffd9 CR3: 0000000113cba003 CR4: 00000000003606e0
<4> [1988.046196] Call Trace:
<4> [1988.046201] drm_gem_destroy+0x10/0x30
<4> [1988.046206] drm_dev_fini+0x9b/0xa0
<4> [1988.046232] i915_driver_release+0x5e/0x80 [i915]
<4> [1988.046238] pci_device_remove+0x36/0xb0
<4> [1988.046243] device_release_driver_internal+0xe0/0x1c0
<4> [1988.046248] driver_detach+0x42/0x80
<4> [1988.046254] bus_remove_driver+0x56/0xd0
<4> [1988.046258] pci_unregister_driver+0x25/0xa0
<4> [1988.046302] i915_exit+0x16/0x1c [i915]
<4> [1988.046308] __x64_sys_delete_module+0x115/0x1d0
<4> [1988.046314] ? trace_hardirqs_off_thunk+0x1a/0x20
<4> [1988.046319] do_syscall_64+0x4f/0x210
<4> [1988.046325] entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [1988.046330] RIP: 0033:0x7f5b5f1051b7
<4> [1988.046335] Code: 73 01 c3 48 8b 0d d1 8c 2c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d a1 8c 2c 00 f7 d8 64 89 01 48
<4> [1988.046348] RSP: 002b:00007ffc580ccc48 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
<4> [1988.046355] RAX: ffffffffffffffda RBX: 00007ffc580ccd30 RCX: 00007f5b5f1051b7
<4> [1988.046362] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055f1060b9de8
<4> [1988.046367] RBP: 000055f1060b9d80 R08: 00007ffc580cbc44 R09: 00007ffc580ccc70
<4> [1988.046373] R10: 00007ffc580cbc44 R11: 0000000000000206 R12: 0000000000000000
<4> [1988.046379] R13: 00007ffc580cd3a0 R14: 0000000000000000 R15: 0000000000000000
<4> [1988.046388] irq event stamp: 0
<4> [1988.046392] hardirqs last enabled at (0): [<0000000000000000>] 0x0
<4> [1988.046399] hardirqs last disabled at (0): [<ffffffff810acec8>] copy_process+0x538/0x1d80
<4> [1988.046406] softirqs last enabled at (0): [<ffffffff810acec8>] copy_process+0x538/0x1d80
<4> [1988.046413] softirqs last disabled at (0): [<0000000000000000>] 0x0
<4> [1988.046419] ---[ end trace 7d17706a60d9749c ]---