Few tests - incomplete - kernel BUG at mm/memory.c:2183!
6> [435.518651] Console: switching to colour dummy device 80x25
<6> [435.519036] [IGT] gem_mmap_gtt: executing
<6> [435.523139] [IGT] gem_mmap_gtt: starting subtest cpuset-basic-small-copy
<7> [438.449044] i915 0000:00:02.0: [drm:intel_pps_vdd_off_sync_unlocked [i915]] Turning [ENCODER:307:DDI A/PHY A] VDD off
<7> [438.449435] i915 0000:00:02.0: [drm:intel_pps_vdd_off_sync_unlocked [i915]] PP_STATUS: 0x80000008 PP_CONTROL: 0x00000067
<7> [438.449512] i915 0000:00:02.0: [drm:intel_power_well_disable [i915]] disabling DC off
<7> [438.449628] i915 0000:00:02.0: [drm:skl_enable_dc6 [i915]] Enabling DC6
<7> [438.449709] i915 0000:00:02.0: [drm:gen9_set_dc_state.part.15 [i915]] Setting DC state from 00 to 02
<4> [439.200325] ------------[ cut here ]------------
<2> [439.200376] kernel BUG at mm/memory.c:2183!
<4> [439.200462] invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
<4> [439.200466] CPU: 0 PID: 1387 Comm: gem_mmap_gtt Tainted: G U 5.13.0-rc1-CI-CI_DRM_10065+ #1
<4> [439.200471] Hardware name: Intel Corporation Tiger Lake Client Platform/TigerLake U DDR4 SODIMM RVP, BIOS TGLSFWI1.R00.3197.A00.2005110542 05/11/2020
<4> [439.200475] RIP: 0010:remap_pfn_range_notrack+0x329/0x4d0
<4> [439.200482] Code: 89 d8 4c 89 eb 4c 21 f8 eb 90 48 8b 0d 40 d0 63 01 4c 89 e0 4c 21 f8 48 89 cb 4c 21 eb 4c 39 eb 75 0a 4c 89 eb e9 70 ff ff ff <0f> 0b 80 3d b9 65 60 01 00 0f 85 61 ff ff ff 48 89 ca 4c 89 ee 48
<4> [439.200487] RSP: 0000:ffffc90000557bd8 EFLAGS: 00010286
<4> [439.200490] RAX: 00007f6c54254000 RBX: 0000000000000054 RCX: 000000000bb17b29
<4> [439.200493] RDX: 0000000000000001 RSI: ffffffff82304e6c RDI: ffff888119f9d2c8
<4> [439.200496] RBP: 000000000400341f R08: ffff8881189b4a58 R09: 00007f6c54254000
<4> [439.200498] R10: 0000000000000001 R11: 00000000ac362dad R12: 000000400341f000
<4> [439.200500] R13: 800000000000002f R14: ffff888111eb52a0 R15: 000ffffffffff000
<4> [439.200503] FS: 00007f6c68f2e500(0000) GS:ffff8884a0200000(0000) knlGS:0000000000000000
<4> [439.200507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [439.200509] CR2: 00007f6c57a54000 CR3: 000000011b65a006 CR4: 0000000000770ef0
<4> [439.200512] PKRU: 55555554
<4> [439.200514] Call Trace:
<4> [439.200516] vm_fault_gtt+0x48d/0x800 [i915]
<4> [439.200628] ? __lock_acquire+0x5b1/0x2590
<4> [439.200632] __do_fault+0x2c/0x100
<4> [439.200635] __handle_mm_fault+0xed8/0x11d0
<4> [439.200639] handle_mm_fault+0x164/0x3f0
<4> [439.200642] do_user_addr_fault+0x1e9/0x660
<4> [439.200646] exc_page_fault+0x65/0x230
<4> [439.200650] ? asm_exc_page_fault+0x8/0x30
<4> [439.200653] asm_exc_page_fault+0x1e/0x30
<4> [439.200656] RIP: 0033:0x7f6c688c0760
<4> [439.200658] Code: 66 2e 0f 1f 84 00 00 00 00 00 48 83 fa 3f 0f 86 b6 01 00 00 48 8d 42 c0 48 83 e0 c0 48 8d 48 40 48 89 f8 4c 8d 04 0e 0f 1f 00 <66> 0f 38 2a 1e 66 0f 38 2a 56 10 48 83 c6 40 48 83 c0 40 66 0f 38
<4> [439.200664] RSP: 002b:00007ffd5ce479b0 EFLAGS: 00010206
<4> [439.200666] RAX: 00007ffd5ce48a40 RBX: 0000000000004000 RCX: 0000000000001000
<4> [439.200669] RDX: 0000000000001000 RSI: 00007f6c57a54000 RDI: 00007ffd5ce48a40
<4> [439.200671] RBP: 0000000000003800 R08: 00007f6c57a55000 R09: 000000000000001b
<4> [439.200673] R10: 00007ffd5ce47a40 R11: 0000000000000246 R12: 000055df2dc069f8
<4> [439.200676] R13: 0000000000003c00 R14: 00007ffd5ce3aa40 R15: 00007f6c57a54000
<4> [439.200679] Modules linked in: snd_hda_codec_hdmi i915 mei_hdcp x86_pkg_temp_thermal coretemp crct10dif_pclmul crc32_pclmul snd_hda_intel snd_intel_dspcfg ghash_clmulni_intel snd_hda_codec cdc_ether usbnet snd_hwdep mii snd_hda_core e1000e snd_pcm mei_me ptp pps_core mei intel_lpss_pci prime_numbers
<4> [439.200730] ---[ end trace a62b48bbcea7a09f ]---