Oops#1 Part4 <7>[ 281.870665] i915 0000:03:00.0: [drm:intel_power_well_disable [i915]] disabling DC_off <7>[ 281.872579] i915 0000:03:00.0: [drm:gen9_enable_dc5 [i915]] Enabling DC5 <7>[ 281.873492] i915 0000:03:00.0: [drm:gen9_set_dc_state.part.0 [i915]] Setting DC state from 00 to 01 <4>[ 282.572620] snd_hda_intel 0000:00:1f.3: No response from codec, disabling MSI: last cmd=0x200f0000 <1>[ 283.050925] BUG: kernel NULL pointer dereference, address: 0000000000000018 <1>[ 283.050973] #PF: supervisor read access in kernel mode <1>[ 283.051002] #PF: error_code(0x0000) - not-present page <6>[ 283.051030] PGD 0 P4D 0 <4>[ 283.051053] Oops: Oops: 0000 [#1] SMP NOPTI <4>[ 283.051083] CPU: 4 UID: 0 PID: 2486 Comm: gem_lmem_swappi Tainted: G S U L 7.0.0-rc1-Patchwork_162333v1-ga0a6a2fc5a08+ #1 PREEMPT(lazy) <4>[ 283.051146] Tainted: [S]=CPU_OUT_OF_SPEC, [U]=USER, [L]=SOFTLOCKUP <4>[ 283.051176] Hardware name: Intel Corporation CoffeeLake Client Platform/CoffeeLake S UDIMM RVP, BIOS CNLSFWR1.R00.X220.B00.2103302221 03/30/2021 <4>[ 283.051229] RIP: 0010:ttm_bo_release+0x1bc/0x330 [ttm] <4>[ 283.051285] Code: 03 00 00 00 48 c7 45 b0 00 00 00 00 e8 5d 53 a5 e1 48 85 c0 75 10 eb 2f 48 8d 7d a0 e8 0d 5f a5 e1 48 85 c0 74 21 48 8b 50 40 <48> 83 7a 18 00 75 e7 48 89 c7 e8 85 10 a5 e1 48 8d 7d a0 e8 ec 5e <4>[ 283.051361] RSP: 0018:ffffc90001873128 EFLAGS: 00010286 <4>[ 283.051392] RAX: ffff888142b58800 RBX: ffff88813c72e6c0 RCX: 0000000000000000 <4>[ 283.051426] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 <4>[ 283.051459] RBP: ffffc90001873188 R08: 0000000000000000 R09: 0000000000000000 Oops#1 Part3 <4>[ 283.051493] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888114691e70 <4>[ 283.051530] R13: ffff88813c72e540 R14: ffff88813c72e400 R15: ffff888142a88040 <4>[ 283.051564] FS: 00007909dda9d940(0000) GS:ffff8884d989b000(0000) knlGS:0000000000000000 <4>[ 283.051604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[ 283.051633] CR2: 0000000000000018 CR3: 0000000141bf6002 CR4: 00000000003726f0 <4>[ 283.051667] Call Trace: <4>[ 283.051684] <4>[ 283.051707] ttm_bo_put+0x3c/0x70 [ttm] <4>[ 283.051755] ttm_bo_move_accel_cleanup+0xf6/0x3a0 [ttm] <4>[ 283.051810] i915_ttm_move+0x361/0x480 [i915] <4>[ 283.052673] ttm_bo_handle_move_mem+0xe8/0x1e0 [ttm] <4>[ 283.052728] ttm_bo_validate+0xcf/0x1c0 [ttm] <4>[ 283.052777] __i915_ttm_get_pages+0x73/0x290 [i915] <4>[ 283.053610] i915_ttm_get_pages+0x106/0x160 [i915] <4>[ 283.054432] ? lock_acquire+0xc4/0x2f0 <4>[ 283.054465] ? eb_validate_vmas+0x6b/0xd30 [i915] <4>[ 283.055275] ____i915_gem_object_get_pages+0x3f/0x120 [i915] <4>[ 283.056095] __i915_gem_object_get_pages+0xa5/0x110 [i915] <4>[ 283.056915] i915_vma_get_pages+0xf9/0x300 [i915] <4>[ 283.057773] i915_vma_pin_ww+0xf5/0x1390 [i915] <4>[ 283.058638] eb_validate_vmas+0x209/0xd30 [i915] <4>[ 283.059444] ? eb_pin_engine+0x2f0/0x3b0 [i915] <4>[ 283.060242] i915_gem_do_execbuffer+0xda3/0x36e0 [i915] <4>[ 283.061052] ? lock_release+0xd0/0x2b0 <4>[ 283.061087] ? kernel_text_address+0x139/0x150 <4>[ 283.061136] ? __lock_acquire+0x43e/0x2790 <4>[ 283.061166] ? find_held_lock+0x31/0x90 <4>[ 283.061191] ? __create_object+0x68/0xc0 Oops#1 Part2 <4>[ 283.061228] ? find_held_lock+0x31/0x90 <4>[ 283.061253] ? __might_fault+0x53/0xb0 <4>[ 283.061291] i915_gem_execbuffer2_ioctl+0x169/0x320 [i915] <4>[ 283.062099] ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915] <4>[ 283.062917] drm_ioctl_kernel+0xb3/0x120 <4>[ 283.062952] drm_ioctl+0x2d4/0x5a0 <4>[ 283.062977] ? __pfx_i915_gem_execbuffer2_ioctl+0x10/0x10 [i915] <4>[ 283.063787] ? kfree+0x21c/0x4d0 <4>[ 283.063821] __x64_sys_ioctl+0xa5/0x100 <4>[ 283.063851] x64_sys_call+0x1250/0x26e0 <4>[ 283.063878] do_syscall_64+0xdd/0x1470 <4>[ 283.063905] ? ktime_get_mono_fast_ns+0x3c/0xd0 <4>[ 283.063936] ? __pm_runtime_suspend+0xb5/0x160 <4>[ 283.063971] ? __intel_runtime_pm_put+0xc8/0x1b0 [i915] <4>[ 283.064660] ? intel_runtime_pm_put+0x13/0x20 [i915] <4>[ 283.065492] ? __lock_acquire+0x43e/0x2790 <4>[ 283.065524] ? __do_fault+0x3d/0x1b0 <4>[ 283.065558] ? find_held_lock+0x31/0x90 <4>[ 283.065583] ? rcu_read_unlock+0x1c/0x80 <4>[ 283.066673] ? lock_release+0xd0/0x2b0 <4>[ 283.067888] ? find_held_lock+0x31/0x90 <4>[ 283.068967] ? do_user_addr_fault+0x2fd/0x8e0 <4>[ 283.070160] ? lock_release+0xd0/0x2b0 <4>[ 283.071355] ? up_read+0x22/0x30 <4>[ 283.072539] ? trace_hardirqs_on_prepare+0xe1/0x100 <4>[ 283.073593] ? irqentry_exit+0x17d/0x7c0 <4>[ 283.074765] ? clear_bhb_loop+0x30/0x80 <4>[ 283.075950] entry_SYSCALL_64_after_hwframe+0x76/0x7e <4>[ 283.076986] RIP: 0033:0x7909dfd24e1d <4>[ 283.078133] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00 Oops#1 Part1 <4>[ 283.079029] RSP: 002b:00007ffe4bbcdcd0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 <4>[ 283.079958] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007909dfd24e1d <4>[ 283.080754] RDX: 00007ffe4bbcde20 RSI: 0000000040406469 RDI: 0000000000000006 <4>[ 283.081677] RBP: 00007ffe4bbcdd20 R08: 0000000000000006 R09: 0000000000000004 <4>[ 283.082414] R10: 00007ffe4bbcdd80 R11: 0000000000000246 R12: 00007ffe4bbcde20 <4>[ 283.083217] R13: 0000000040406469 R14: 0000000000000006 R15: 0000000000000001 <4>[ 283.083809] <4>[ 283.084324] Modules linked in: snd_hda_intel i915 vgem snd_hda_codec_intelhdmi snd_hda_codec_hdmi mei_gsc prime_numbers drm_buddy ttm drm_display_helper cec rc_core i2c_algo_bit kunit intel_rapl_msr intel_rapl_common intel_uncore_frequency intel_uncore_frequency_common cmdlinepart spi_nor ppdev ee1004 mtd intel_tcc_cooling wmi_bmof intel_wmi_thunderbolt x86_pkg_temp_thermal intel_powerclamp mei_pxp mei_hdcp coretemp kvm_intel kvm irqbypass ghash_clmulni_intel aesni_intel snd_intel_dspcfg rapl snd_hda_codec intel_cstate i2c_i801 snd_hda_core i2c_mux snd_hwdep spi_intel_pci e1000e i2c_smbus spi_intel snd_pcm snd_timer snd soundcore parport_pc parport video binfmt_misc intel_pmc_core pmt_telemetry pinctrl_cannonlake pmt_discovery pmt_class wmi intel_pmc_ssram_telemetry nls_iso8859_1 intel_vsec acpi_tad acpi_pad idma64 mei_me mei intel_pch_thermal input_leds serio_raw dm_multipath msr nvme_fabrics fuse efi_pstore nfnetlink autofs4 [last unloaded: i915] <4>[ 283.087667] CR2: 0000000000000018 <4>[ 283.088282] ---[ end trace 0000000000000000 ]---